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Wintrust Financial Corp. – ‘10-K’ for 12/31/23 – ‘EX-101.SCH’

On:  Wednesday, 2/28/24, at 5:20pm ET   ·   For:  12/31/23   ·   Accession #:  1015328-24-83   ·   File #:  1-35077

Previous ‘10-K’:  ‘10-K’ on 2/28/23 for 12/31/22   ·   Latest ‘10-K’:  This Filing   ·   51 References:   

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  As Of               Filer                 Filing    For·On·As Docs:Size

 2/28/24  Wintrust Financial Corp.          10-K       12/31/23  155:32M

Annual Report   —   Form 10-K   —   SEA’34

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   7.16M 
 2: EX-4.1      Instrument Defining the Rights of Security Holders  HTML     71K 
 3: EX-21.1     Subsidiaries List                                   HTML     50K 
 4: EX-23.1     Consent of Expert or Counsel                        HTML     43K 
 8: EX-97.1     Clawback Policy re: Recovery of Erroneously         HTML     54K 
                Awarded Compensation                                             
 5: EX-31.1     Certification -- §302 - SOA'02                      HTML     47K 
 6: EX-31.2     Certification -- §302 - SOA'02                      HTML     47K 
 7: EX-32.1     Certification -- §906 - SOA'02                      HTML     45K 
14: R1          Cover Page                                          HTML    116K 
15: R2          Audit Information                                   HTML     48K 
16: R3          Consolidated Statements of Condition                HTML    163K 
17: R4          Consolidated Statements of Condition                HTML     71K 
                (Parenthetical)                                                  
18: R5          Consolidated Statements of Income                   HTML    185K 
19: R6          Consolidated Statements of Comprehensive Income     HTML    116K 
20: R7          Consolidated Statements of Changes in               HTML    130K 
                Shareholders' Equity                                             
21: R8          Consolidated Statements of Changes in               HTML     48K 
                Shareholders' Equity (Parenthetical)                             
22: R9          Consolidated Statements of Cash Flows               HTML    202K 
23: R10         Summary Of Significant Accounting Policies          HTML    113K 
24: R11         Recent Accounting Pronouncements                    HTML     58K 
25: R12         Investment Securities                               HTML    276K 
26: R13         Loans                                               HTML     71K 
27: R14         Allowance for Credit Losses                         HTML    807K 
28: R15         Mortgage Servicing Rights ("MSRs")                  HTML     73K 
29: R16         Business Combinations                               HTML     45K 
30: R17         Goodwill and Other Acquisition-Related Intangible   HTML     96K 
                Assets                                                           
31: R18         Premises, Software and Equipment, Net               HTML     57K 
32: R19         Deposits                                            HTML     86K 
33: R20         Federal Home Loan Bank Advances                     HTML     67K 
34: R21         Subordinated Notes                                  HTML     45K 
35: R22         Other Borrowings                                    HTML     73K 
36: R23         Junior Subordinated Debentures                      HTML    102K 
37: R24         Revenue from Contracts with Customers               HTML    103K 
38: R25         Lease Commitments                                   HTML    189K 
39: R26         Income Taxes                                        HTML    128K 
40: R27         Stock Compensation Plans and Other Employee         HTML    156K 
                Benefit Plans                                                    
41: R28         Regulatory Matters                                  HTML    317K 
42: R29         Commitments and Contingencies                       HTML     59K 
43: R30         Derivative Financial Instruments                    HTML    190K 
44: R31         Fair Value of Assets and Liabilities                HTML    319K 
45: R32         Shareholders' Equity                                HTML    140K 
46: R33         Segment Information                                 HTML    127K 
47: R34         Condensed Parent Company Financial Statements       HTML    144K 
48: R35         Earnings Per Share                                  HTML     69K 
49: R36         Pay vs Performance Disclosure                       HTML     55K 
50: R37         Insider Trading Arrangements                        HTML     48K 
51: R38         Summary Of Significant Accounting Policies          HTML    176K 
                (Policies)                                                       
52: R39         Investment Securities (Tables)                      HTML    277K 
53: R40         Loans (Tables)                                      HTML     68K 
54: R41         Allowance for Credit Losses (Tables)                HTML    784K 
55: R42         Mortgage Servicing Rights ("MSRs") (Tables)         HTML     64K 
56: R43         Goodwill and Other Acquisition-Related Intangible   HTML    129K 
                Assets (Tables)                                                  
57: R44         Premises, Software and Equipment, Net (Tables)      HTML     56K 
58: R45         Deposits (Tables)                                   HTML     87K 
59: R46         Federal Home Loan Bank Advances (Tables)            HTML     64K 
60: R47         Other Borrowings (Tables)                           HTML     61K 
61: R48         Junior Subordinated Debentures (Tables)             HTML     96K 
62: R49         Revenue from Contracts with Customers (Tables)      HTML     93K 
63: R50         Lease Commitments (Tables)                          HTML    106K 
64: R51         Income Taxes (Tables)                               HTML    127K 
65: R52         Stock Compensation Plans and Other Employee         HTML    140K 
                Benefit Plans (Tables)                                           
66: R53         Regulatory Matters (Tables)                         HTML    313K 
67: R54         Derivative Financial Instruments (Tables)           HTML    198K 
68: R55         Fair Value of Assets and Liabilities (Tables)       HTML    299K 
69: R56         Shareholders' Equity (Tables)                       HTML    139K 
70: R57         Segment Information (Tables)                        HTML    121K 
71: R58         Condensed Parent Company Financial Statements       HTML    147K 
                (Tables)                                                         
72: R59         Earnings Per Share (Tables)                         HTML     68K 
73: R60         Summary Of Significant Accounting Policies          HTML     81K 
                (Narrative) (Details)                                            
74: R61         Investment Securities - Schedule of Investment      HTML    119K 
                Securities (Details)                                             
75: R62         Investment Securities - Narrative (Details)         HTML     66K 
76: R63         Investment Securities - Schedule of                 HTML     96K 
                Available-for-sale Investment Securities                         
                Portfolios (Details)                                             
77: R64         Investment Securities - Schedule of Gross Gains     HTML     70K 
                and Gross Losses Realized and Impairment on                      
                Investment Securities (Details)                                  
78: R65         Investment Securities - Contractual Maturities of   HTML    112K 
                Investment Securities (Details)                                  
79: R66         Loans - Schedule of Loan Portfolio (Details)        HTML     66K 
80: R67         Loans - Narrative (Details)                         HTML     59K 
81: R68         Allowance for Credit Losses - Narrative (Details)   HTML     86K 
82: R69         Allowance for Credit Losses - Schedule of Aging of  HTML    138K 
                the Company's Loan Portfolio (Details)                           
83: R70         Allowance for Credit Losses - Schedule of Loan      HTML    311K 
                Portfolio by Credit Quality Indicator (Details)                  
84: R71         Allowance for Credit Losses - Schedule of           HTML    125K 
                Held-to-Maturity Debt Securities by Credit Quality               
                Indicator (Details)                                              
85: R72         Allowance for Credit Losses - Schedule of           HTML     57K 
                Allowance for Credit Losses (Details)                            
86: R73         Allowance for Credit Losses - Schedule of Activity  HTML    141K 
                in the Allowance for Credit Losses by Loan                       
                Portfolio (Details)                                              
87: R74         Allowance for Credit Losses - Schedule of           HTML    105K 
                Modification of Loans (Details)                                  
88: R75         Allowance for Credit Losses - Schedule of Loans     HTML     71K 
                for Borrowers Experiencing Financial Difficulties                
                Modified (Details)                                               
89: R76         Allowance for Credit Losses - Schedule of the       HTML     92K 
                Modification Balance of Loans Restructured                       
                (Details)                                                        
90: R77         Allowance for Credit Losses - Schedule of Loans     HTML     68K 
                Restructured in TDRs (Details)                                   
91: R78         Mortgage Servicing Rights ("MSRs") (Details)        HTML     63K 
92: R79         Business Combinations (Details)                     HTML     51K 
93: R80         Goodwill and Other Acquisition-Related Intangible   HTML     63K 
                Assets - Schedule of Goodwill Assets by Business                 
                Segment (Details)                                                
94: R81         Goodwill and Other Acquisition-Related Intangible   HTML     68K 
                Assets - Narrative (Details)                                     
95: R82         Goodwill and Other Acquisition-Related Intangible   HTML     72K 
                Assets - Schedule of Intangible Assets (Details)                 
96: R83         Goodwill and Other Acquisition-Related Intangible   HTML     54K 
                Assets Schedule of Estimated Amortization                        
                (Details)                                                        
97: R84         Premises, Software and Equipment, Net (Details)     HTML     63K 
98: R85         Deposits - Schedule of Deposits (Details)           HTML     71K 
99: R86         Deposits - Schedule of Maturities of Time           HTML     57K 
                Certificates of Deposit (Details)                                
100: R87         Deposits - Schedule of Maturities of Uninsured      HTML     55K  
                Deposits Exceeding Two Hundred And Fifty Thousand                
                Dollars FEDIC Insurance Limit (Details)                          
101: R88         Federal Home Loan Bank Advances - Schedule of       HTML     83K  
                Outstanding FHLB Advances (Details)                              
102: R89         Federal Home Loan Bank Advances - Narrative         HTML     54K  
                (Details)                                                        
103: R90         Subordinated Notes (Details)                        HTML     74K  
104: R91         Other Borrowings - Schedule of Other Borrowings     HTML     55K  
                (Details)                                                        
105: R92         Other Borrowings - Narrative (Details)              HTML    122K  
106: R93         Other Borrowings - Schedule of Financial            HTML     62K  
                Instruments Owned and Pledged as Collateral                      
                (Details)                                                        
107: R94         Junior Subordinated Debentures - Narrative          HTML     55K  
                (Details)                                                        
108: R95         Junior Subordinated Debentures - Schedule of        HTML    110K  
                Junior Subordinated Debentures (Details)                         
109: R96         Revenue from Contracts with Customers - Schedule    HTML     70K  
                of Disaggregation of Revenue by Source (Details)                 
110: R97         Revenue from Contracts with Customers - Narrative   HTML     46K  
                (Details)                                                        
111: R98         Revenue from Contracts with Customers - Schedule    HTML     57K  
                of Contract Assets, Contract Liabilities and                     
                Receivables from Contracts with Customers                        
                (Details)                                                        
112: R99         Revenue from Contracts with Customers - Schedule    HTML     52K  
                of Performance Obligations Unsatisfied at End of                 
                Period (Details)                                                 
113: R100        Lease Commitments - Schedule of Lease Costs         HTML     78K  
                Weighted Average Remaining Lease Term and Discount               
                Rate (Details)                                                   
114: R101        Lease Commitments - Schedule of Future Required     HTML     86K  
                Fixed Payments Related to Leasing Arrangements)                  
                (Details)                                                        
115: R102        Lease Commitments -Narrative (Details)              HTML     47K  
116: R103        Lease Commitments - Schedule of Annual Gross        HTML     57K  
                Rental Receipts (Details)                                        
117: R104        Income Taxes - Schedule of Income Tax Expense       HTML     71K  
                (Benefit) (Details)                                              
118: R105        Income Taxes - Narrative (Details)                  HTML     56K  
119: R106        Income Taxes - Schedule of Reconciliation of the    HTML     73K  
                Differences Between Taxes Computed Using the                     
                Statutory Federal Income Tax Rate and Actual                     
                Income Tax Expense (Details)                                     
120: R107        Income Taxes - Schedule of Deferred Tax Assets And  HTML     85K  
                Liabilities (Details)                                            
121: R108        Stock Compensation Plans and Other Employee         HTML    148K  
                Benefit Plans - Narrative (Details)                              
122: R109        Stock Compensation Plans and Other Employee         HTML     88K  
                Benefit Plans - Schedule of Stock Option Activity                
                (Details)                                                        
123: R110        Stock Compensation Plans and Other Employee         HTML     85K  
                Benefit Plans - Schedule of Plans' Restricted and                
                Performance Share Award Activity (Details)                       
124: R111        Regulatory Matters - Narrative (Details)            HTML     66K  
125: R112        Regulatory Matters - Schedule of Compliance with    HTML     50K  
                Minimum Capital Requirements (Details)                           
126: R113        Regulatory Matters - Schedule of Actual Capital     HTML    194K  
                Amounts and Ratios (Details)                                     
127: R114        Commitments and Contingencies (Details)             HTML     70K  
128: R115        Derivative Financial Instruments - Schedule of      HTML     73K  
                Fair Value of Derivative Financial Instruments                   
                (Details)                                                        
129: R116        Derivative Financial Instruments - Schedule of      HTML    108K  
                Cash Flow Hedging Instruments (Details)                          
130: R117        Derivative Financial Instruments - Narrative        HTML    108K  
                (Details)                                                        
131: R118        Derivative Financial Instruments - Schedule of      HTML     53K  
                Amounts in Accumulated Other Comprehensive Income                
                Related to Interest Rate Swaps Designated as Cash                
                Flow Hedges (Details)                                            
132: R119        Derivative Financial Instruments - Schedule of      HTML     62K  
                Carrying Amount of Hedged Assets/(Liabilities                    
                (Details)                                                        
133: R120        Derivative Financial Instruments - Schedule of      HTML     61K  
                Consolidated Statement of Income Related to                      
                Derivatives (Details)                                            
134: R121        Derivative Financial Instruments - Schedule of      HTML     94K  
                Offsetting Assets / Offsetting Liabilities                       
                (Details)                                                        
135: R122        Fair Values of Assets and Liabilities - Narrative   HTML    165K  
                (Details)                                                        
136: R123        Fair Values of Assets and Liabilities - Schedule    HTML    128K  
                of Balances of Assets and Liabilities Measured at                
                Fair Value on a Recurring Basis (Details)                        
137: R124        Fair Values of Assets and Liabilities - Schedule    HTML     84K  
                of Changes In Level 3 Assets and Liabilities                     
                Measured at Fair Value on a Recurring Basis                      
                (Details)                                                        
138: R125        Fair Values of Assets and Liabilities - Schedule    HTML     69K  
                of Assets Measured at Fair Value on a Nonrecurring               
                Basis (Details)                                                  
139: R126        Fair Values of Assets and Liabilities - Schedule    HTML    143K  
                of Valuation Techniques and Significant                          
                Unobservable Inputs Used to Measure Both Recurring               
                and Non Recurring (Details)                                      
140: R127        Fair Values of Assets and Liabilities - Schedule    HTML    123K  
                of Carrying Amounts and Estimated Fair Values of                 
                Financial Instruments (Details)                                  
141: R128        Shareholders' Equity - Schedule of the Company's    HTML     62K  
                Common and Preferred Stock (Details)                             
142: R129        Shareholders' Equity - Narrative (Details)          HTML     90K  
143: R130        Shareholders' Equity - Schedule of Components of    HTML     76K  
                Other Comprehensive Income (Loss) (Details)                      
144: R131        Shareholders' Equity - Schedule of                  HTML     79K  
                Reclassification from Accumulated Other                          
                Comprehensive Income (Details)                                   
145: R132        Segment Information - Narrative (Details)           HTML     48K  
146: R133        Segment Information - Schedule of Segment           HTML     99K  
                Information (Details)                                            
147: R134        Condensed Parent Company Financial Statements -     HTML     94K  
                Schedule of Statements of Financial Condition                    
                (Details)                                                        
148: R135        Condensed Parent Company Financial Statements -     HTML     96K  
                Schedule of Statements of Income (Details)                       
149: R136        Condensed Parent Company Financial Statements -     HTML    119K  
                Schedule of Statements of Cash Flows (Details)                   
150: R137        Earnings Per Share (Details)                        HTML     86K  
152: XML         IDEA XML File -- Filing Summary                      XML    297K  
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<link:definition> 0000016 - Disclosure - Business Combinations </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 0000017 - Disclosure - Goodwill and Other Acquisition-Related Intangible Assets </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 0000018 - Disclosure - Premises, Software and Equipment, Net </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 0000019 - Disclosure - Deposits </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 0000020 - Disclosure - Federal Home Loan Bank Advances </link:definition>
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<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 0000021 - Disclosure - Subordinated Notes </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 0000022 - Disclosure - Other Borrowings </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="JuniorSubordinatedDebentures" roleURI="http://www.wintrust.com/role/JuniorSubordinatedDebentures">
<link:definition> 0000023 - Disclosure - Junior Subordinated Debentures </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 0000024 - Disclosure - Revenue from Contracts with Customers </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="LeaseCommitments" roleURI="http://www.wintrust.com/role/LeaseCommitments">
<link:definition> 0000025 - Disclosure - Lease Commitments </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="IncomeTaxes" roleURI="http://www.wintrust.com/role/IncomeTaxes">
<link:definition> 0000026 - Disclosure - Income Taxes </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 0000027 - Disclosure - Stock Compensation Plans and Other Employee Benefit Plans </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 0000028 - Disclosure - Regulatory Matters </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 0000029 - Disclosure - Commitments and Contingencies </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="DerivativeFinancialInstruments" roleURI="http://www.wintrust.com/role/DerivativeFinancialInstruments">
<link:definition> 0000030 - Disclosure - Derivative Financial Instruments </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 0000031 - Disclosure - Fair Value of Assets and Liabilities </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="ShareholdersEquity" roleURI="http://www.wintrust.com/role/ShareholdersEquity">
<link:definition> 0000032 - Disclosure - Shareholders' Equity </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="SegmentInformation" roleURI="http://www.wintrust.com/role/SegmentInformation">
<link:definition> 0000033 - Disclosure - Segment Information </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="CondensedParentCompanyFinancialStatements" roleURI="http://www.wintrust.com/role/CondensedParentCompanyFinancialStatements">
<link:definition> 0000034 - Disclosure - Condensed Parent Company Financial Statements </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="EarningsPerShare" roleURI="http://www.wintrust.com/role/EarningsPerShare">
<link:definition> 0000035 - Disclosure - Earnings Per Share </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954471 - Disclosure - Summary Of Significant Accounting Policies (Policies) </link:definition>
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<link:definition> 9954472 - Disclosure - Investment Securities (Tables) </link:definition>
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<link:definition> 9954473 - Disclosure - Loans (Tables) </link:definition>
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<link:definition> 9954474 - Disclosure - Allowance for Credit Losses (Tables) </link:definition>
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<link:definition> 9954475 - Disclosure - Mortgage Servicing Rights ("MSRs") (Tables) </link:definition>
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<link:definition> 9954476 - Disclosure - Goodwill and Other Acquisition-Related Intangible Assets (Tables) </link:definition>
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<link:definition> 9954477 - Disclosure - Premises, Software and Equipment, Net (Tables) </link:definition>
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<link:definition> 9954478 - Disclosure - Deposits (Tables) </link:definition>
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<link:definition> 9954479 - Disclosure - Federal Home Loan Bank Advances (Tables) </link:definition>
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<link:definition> 9954480 - Disclosure - Other Borrowings (Tables) </link:definition>
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<link:definition> 9954481 - Disclosure - Junior Subordinated Debentures (Tables) </link:definition>
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<link:definition> 9954482 - Disclosure - Revenue from Contracts with Customers (Tables) </link:definition>
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<link:definition> 9954483 - Disclosure - Lease Commitments (Tables) </link:definition>
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<link:definition> 9954484 - Disclosure - Income Taxes (Tables) </link:definition>
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<link:definition> 9954485 - Disclosure - Stock Compensation Plans and Other Employee Benefit Plans (Tables) </link:definition>
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<link:definition> 9954486 - Disclosure - Regulatory Matters (Tables) </link:definition>
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<link:definition> 9954487 - Disclosure - Derivative Financial Instruments (Tables) </link:definition>
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<link:definition> 9954488 - Disclosure - Fair Value of Assets and Liabilities (Tables) </link:definition>
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<link:definition> 9954489 - Disclosure - Shareholders' Equity (Tables) </link:definition>
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<link:definition> 9954490 - Disclosure - Segment Information (Tables) </link:definition>
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<link:definition> 9954491 - Disclosure - Condensed Parent Company Financial Statements (Tables) </link:definition>
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<link:definition> 9954492 - Disclosure - Earnings Per Share (Tables) </link:definition>
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<link:definition> 9954493 - Disclosure - Summary Of Significant Accounting Policies (Narrative) (Details) </link:definition>
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<link:roleType id="InvestmentSecuritiesScheduleofInvestmentSecuritiesDetails" roleURI="http://www.wintrust.com/role/InvestmentSecuritiesScheduleofInvestmentSecuritiesDetails">
<link:definition> 9954494 - Disclosure - Investment Securities - Schedule of Investment Securities (Details) </link:definition>
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<link:definition> 9954495 - Disclosure - Investment Securities - Narrative (Details) </link:definition>
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<link:definition> 9954496 - Disclosure - Investment Securities - Schedule of Available-for-sale Investment Securities Portfolios (Details) </link:definition>
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<link:definition> 9954497 - Disclosure - Investment Securities - Schedule of Gross Gains and Gross Losses Realized and Impairment on Investment Securities (Details) </link:definition>
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<link:definition> 9954498 - Disclosure - Investment Securities - Contractual Maturities of Investment Securities (Details) </link:definition>
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<link:definition> 9954499 - Disclosure - Loans - Schedule of Loan Portfolio (Details) </link:definition>
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<link:roleType id="LoansNarrativeDetails" roleURI="http://www.wintrust.com/role/LoansNarrativeDetails">
<link:definition> 9954500 - Disclosure - Loans - Narrative (Details) </link:definition>
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<link:roleType id="AllowanceforCreditLossesNarrativeDetails" roleURI="http://www.wintrust.com/role/AllowanceforCreditLossesNarrativeDetails">
<link:definition> 9954501 - Disclosure - Allowance for Credit Losses - Narrative (Details) </link:definition>
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<link:roleType id="AllowanceforCreditLossesScheduleofAgingoftheCompanysLoanPortfolioDetails" roleURI="http://www.wintrust.com/role/AllowanceforCreditLossesScheduleofAgingoftheCompanysLoanPortfolioDetails">
<link:definition> 9954502 - Disclosure - Allowance for Credit Losses - Schedule of Aging of the Company's Loan Portfolio (Details) </link:definition>
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<link:roleType id="AllowanceforCreditLossesScheduleofLoanPortfoliobyCreditQualityIndicatorDetails" roleURI="http://www.wintrust.com/role/AllowanceforCreditLossesScheduleofLoanPortfoliobyCreditQualityIndicatorDetails">
<link:definition> 9954503 - Disclosure - Allowance for Credit Losses - Schedule of Loan Portfolio by Credit Quality Indicator (Details) </link:definition>
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<link:roleType id="AllowanceforCreditLossesScheduleofHeldtoMaturityDebtSecuritiesbyCreditQualityIndicatorDetails" roleURI="http://www.wintrust.com/role/AllowanceforCreditLossesScheduleofHeldtoMaturityDebtSecuritiesbyCreditQualityIndicatorDetails">
<link:definition> 9954504 - Disclosure - Allowance for Credit Losses - Schedule of Held-to-Maturity Debt Securities by Credit Quality Indicator (Details) </link:definition>
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<link:roleType id="AllowanceforCreditLossesScheduleofAllowanceforCreditLossesDetails" roleURI="http://www.wintrust.com/role/AllowanceforCreditLossesScheduleofAllowanceforCreditLossesDetails">
<link:definition> 9954505 - Disclosure - Allowance for Credit Losses - Schedule of Allowance for Credit Losses (Details) </link:definition>
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<link:roleType id="AllowanceforCreditLossesScheduleofActivityintheAllowanceforCreditLossesbyLoanPortfolioDetails" roleURI="http://www.wintrust.com/role/AllowanceforCreditLossesScheduleofActivityintheAllowanceforCreditLossesbyLoanPortfolioDetails">
<link:definition> 9954506 - Disclosure - Allowance for Credit Losses - Schedule of Activity in the Allowance for Credit Losses by Loan Portfolio (Details) </link:definition>
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<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954507 - Disclosure - Allowance for Credit Losses - Schedule of Modification of Loans (Details) </link:definition>
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<link:roleType id="AllowanceforCreditLossesScheduleofLoansforBorrowersExperiencingFinancialDifficultiesModifiedDetails" roleURI="http://www.wintrust.com/role/AllowanceforCreditLossesScheduleofLoansforBorrowersExperiencingFinancialDifficultiesModifiedDetails">
<link:definition> 9954508 - Disclosure - Allowance for Credit Losses - Schedule of Loans for Borrowers Experiencing Financial Difficulties Modified (Details) </link:definition>
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<link:definition> 9954509 - Disclosure - Allowance for Credit Losses - Schedule of the Modification Balance of Loans Restructured (Details) </link:definition>
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<link:roleType id="AllowanceforCreditLossesScheduleofLoansRestructuredinTDRsDetails" roleURI="http://www.wintrust.com/role/AllowanceforCreditLossesScheduleofLoansRestructuredinTDRsDetails">
<link:definition> 9954510 - Disclosure - Allowance for Credit Losses - Schedule of Loans Restructured in TDRs (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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</link:roleType>
<link:roleType id="MortgageServicingRightsMSRsDetails" roleURI="http://www.wintrust.com/role/MortgageServicingRightsMSRsDetails">
<link:definition> 9954511 - Disclosure - Mortgage Servicing Rights ("MSRs") (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="BusinessCombinationsDetails" roleURI="http://www.wintrust.com/role/BusinessCombinationsDetails">
<link:definition> 9954512 - Disclosure - Business Combinations (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="GoodwillandOtherAcquisitionRelatedIntangibleAssetsScheduleofGoodwillAssetsbyBusinessSegmentDetails" roleURI="http://www.wintrust.com/role/GoodwillandOtherAcquisitionRelatedIntangibleAssetsScheduleofGoodwillAssetsbyBusinessSegmentDetails">
<link:definition> 9954513 - Disclosure - Goodwill and Other Acquisition-Related Intangible Assets - Schedule of Goodwill Assets by Business Segment (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="GoodwillandOtherAcquisitionRelatedIntangibleAssetsNarrativeDetails" roleURI="http://www.wintrust.com/role/GoodwillandOtherAcquisitionRelatedIntangibleAssetsNarrativeDetails">
<link:definition> 9954514 - Disclosure - Goodwill and Other Acquisition-Related Intangible Assets - Narrative (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="GoodwillandOtherAcquisitionRelatedIntangibleAssetsScheduleofIntangibleAssetsDetails" roleURI="http://www.wintrust.com/role/GoodwillandOtherAcquisitionRelatedIntangibleAssetsScheduleofIntangibleAssetsDetails">
<link:definition> 9954515 - Disclosure - Goodwill and Other Acquisition-Related Intangible Assets - Schedule of Intangible Assets (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="GoodwillandOtherAcquisitionRelatedIntangibleAssetsScheduleofEstimatedAmortizationDetails" roleURI="http://www.wintrust.com/role/GoodwillandOtherAcquisitionRelatedIntangibleAssetsScheduleofEstimatedAmortizationDetails">
<link:definition> 9954516 - Disclosure - Goodwill and Other Acquisition-Related Intangible Assets Schedule of Estimated Amortization (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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</link:roleType>
<link:roleType id="PremisesSoftwareandEquipmentNetDetails" roleURI="http://www.wintrust.com/role/PremisesSoftwareandEquipmentNetDetails">
<link:definition> 9954517 - Disclosure - Premises, Software and Equipment, Net (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="DepositsScheduleofDepositsDetails" roleURI="http://www.wintrust.com/role/DepositsScheduleofDepositsDetails">
<link:definition> 9954518 - Disclosure - Deposits - Schedule of Deposits (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="DepositsScheduleofMaturitiesofTimeCertificatesofDepositDetails" roleURI="http://www.wintrust.com/role/DepositsScheduleofMaturitiesofTimeCertificatesofDepositDetails">
<link:definition> 9954519 - Disclosure - Deposits - Schedule of Maturities of Time Certificates of Deposit (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="DepositsScheduleofMaturitiesofUninsuredDepositsExceedingTwoHundredAndFiftyThousandDollarsFEDICInsuranceLimitDetails" roleURI="http://www.wintrust.com/role/DepositsScheduleofMaturitiesofUninsuredDepositsExceedingTwoHundredAndFiftyThousandDollarsFEDICInsuranceLimitDetails">
<link:definition> 9954520 - Disclosure - Deposits - Schedule of Maturities of Uninsured Deposits Exceeding Two Hundred And Fifty Thousand Dollars FEDIC Insurance Limit (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="FederalHomeLoanBankAdvancesScheduleofOutstandingFHLBAdvancesDetails" roleURI="http://www.wintrust.com/role/FederalHomeLoanBankAdvancesScheduleofOutstandingFHLBAdvancesDetails">
<link:definition> 9954521 - Disclosure - Federal Home Loan Bank Advances - Schedule of Outstanding FHLB Advances (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="FederalHomeLoanBankAdvancesNarrativeDetails" roleURI="http://www.wintrust.com/role/FederalHomeLoanBankAdvancesNarrativeDetails">
<link:definition> 9954522 - Disclosure - Federal Home Loan Bank Advances - Narrative (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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</link:roleType>
<link:roleType id="SubordinatedNotesDetails" roleURI="http://www.wintrust.com/role/SubordinatedNotesDetails">
<link:definition> 9954523 - Disclosure - Subordinated Notes (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="OtherBorrowingsScheduleofOtherBorrowingsDetails" roleURI="http://www.wintrust.com/role/OtherBorrowingsScheduleofOtherBorrowingsDetails">
<link:definition> 9954524 - Disclosure - Other Borrowings - Schedule of Other Borrowings (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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</link:roleType>
<link:roleType id="OtherBorrowingsNarrativeDetails" roleURI="http://www.wintrust.com/role/OtherBorrowingsNarrativeDetails">
<link:definition> 9954525 - Disclosure - Other Borrowings - Narrative (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="OtherBorrowingsScheduleofFinancialInstrumentsOwnedandPledgedasCollateralDetails" roleURI="http://www.wintrust.com/role/OtherBorrowingsScheduleofFinancialInstrumentsOwnedandPledgedasCollateralDetails">
<link:definition> 9954526 - Disclosure - Other Borrowings - Schedule of Financial Instruments Owned and Pledged as Collateral (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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</link:roleType>
<link:roleType id="JuniorSubordinatedDebenturesNarrativeDetails" roleURI="http://www.wintrust.com/role/JuniorSubordinatedDebenturesNarrativeDetails">
<link:definition> 9954527 - Disclosure - Junior Subordinated Debentures - Narrative (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="JuniorSubordinatedDebenturesScheduleofJuniorSubordinatedDebenturesDetails" roleURI="http://www.wintrust.com/role/JuniorSubordinatedDebenturesScheduleofJuniorSubordinatedDebenturesDetails">
<link:definition> 9954528 - Disclosure - Junior Subordinated Debentures - Schedule of Junior Subordinated Debentures (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="RevenuefromContractswithCustomersScheduleofDisaggregationofRevenuebySourceDetails" roleURI="http://www.wintrust.com/role/RevenuefromContractswithCustomersScheduleofDisaggregationofRevenuebySourceDetails">
<link:definition> 9954529 - Disclosure - Revenue from Contracts with Customers - Schedule of Disaggregation of Revenue by Source (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="RevenuefromContractswithCustomersNarrativeDetails" roleURI="http://www.wintrust.com/role/RevenuefromContractswithCustomersNarrativeDetails">
<link:definition> 9954530 - Disclosure - Revenue from Contracts with Customers - Narrative (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="RevenuefromContractswithCustomersScheduleofContractAssetsContractLiabilitiesandReceivablesfromContractswithCustomersDetails" roleURI="http://www.wintrust.com/role/RevenuefromContractswithCustomersScheduleofContractAssetsContractLiabilitiesandReceivablesfromContractswithCustomersDetails">
<link:definition> 9954531 - Disclosure - Revenue from Contracts with Customers - Schedule of Contract Assets, Contract Liabilities and Receivables from Contracts with Customers (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="RevenuefromContractswithCustomersScheduleofPerformanceObligationsUnsatisfiedatEndofPeriodDetails" roleURI="http://www.wintrust.com/role/RevenuefromContractswithCustomersScheduleofPerformanceObligationsUnsatisfiedatEndofPeriodDetails">
<link:definition> 9954532 - Disclosure - Revenue from Contracts with Customers - Schedule of Performance Obligations Unsatisfied at End of Period (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="RevenuefromContractswithCustomersScheduleofPerformanceObligationsUnsatisfiedatEndofPeriodDetails_1" roleURI="http://www.wintrust.com/role/RevenuefromContractswithCustomersScheduleofPerformanceObligationsUnsatisfiedatEndofPeriodDetails_1">
<link:definition> 9954532 - Disclosure - Revenue from Contracts with Customers - Schedule of Performance Obligations Unsatisfied at End of Period (Details) </link:definition>
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<link:roleType id="LeaseCommitmentsScheduleofLeaseCostsWeightedAverageRemainingLeaseTermandDiscountRateDetails" roleURI="http://www.wintrust.com/role/LeaseCommitmentsScheduleofLeaseCostsWeightedAverageRemainingLeaseTermandDiscountRateDetails">
<link:definition> 9954533 - Disclosure - Lease Commitments - Schedule of Lease Costs Weighted Average Remaining Lease Term and Discount Rate (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="LeaseCommitmentsScheduleofFutureRequiredFixedPaymentsRelatedtoLeasingArrangementsDetails" roleURI="http://www.wintrust.com/role/LeaseCommitmentsScheduleofFutureRequiredFixedPaymentsRelatedtoLeasingArrangementsDetails">
<link:definition> 9954534 - Disclosure - Lease Commitments - Schedule of Future Required Fixed Payments Related to Leasing Arrangements) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="LeaseCommitmentsScheduleofFutureRequiredFixedPaymentsRelatedtoLeasingArrangementsDetails_1" roleURI="http://www.wintrust.com/role/LeaseCommitmentsScheduleofFutureRequiredFixedPaymentsRelatedtoLeasingArrangementsDetails_1">
<link:definition> 9954534 - Disclosure - Lease Commitments - Schedule of Future Required Fixed Payments Related to Leasing Arrangements) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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</link:roleType>
<link:roleType id="LeaseCommitmentsNarrativeDetails" roleURI="http://www.wintrust.com/role/LeaseCommitmentsNarrativeDetails">
<link:definition> 9954535 - Disclosure - Lease Commitments -Narrative (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="LeaseCommitmentsScheduleofAnnualGrossRentalReceiptsDetails" roleURI="http://www.wintrust.com/role/LeaseCommitmentsScheduleofAnnualGrossRentalReceiptsDetails">
<link:definition> 9954536 - Disclosure - Lease Commitments - Schedule of Annual Gross Rental Receipts (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="IncomeTaxesScheduleofIncomeTaxExpenseBenefitDetails" roleURI="http://www.wintrust.com/role/IncomeTaxesScheduleofIncomeTaxExpenseBenefitDetails">
<link:definition> 9954537 - Disclosure - Income Taxes - Schedule of Income Tax Expense (Benefit) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="IncomeTaxesNarrativeDetails" roleURI="http://www.wintrust.com/role/IncomeTaxesNarrativeDetails">
<link:definition> 9954538 - Disclosure - Income Taxes - Narrative (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="IncomeTaxesScheduleofReconciliationoftheDifferencesBetweenTaxesComputedUsingtheStatutoryFederalIncomeTaxRateandActualIncomeTaxExpenseDetails" roleURI="http://www.wintrust.com/role/IncomeTaxesScheduleofReconciliationoftheDifferencesBetweenTaxesComputedUsingtheStatutoryFederalIncomeTaxRateandActualIncomeTaxExpenseDetails">
<link:definition> 9954539 - Disclosure - Income Taxes - Schedule of Reconciliation of the Differences Between Taxes Computed Using the Statutory Federal Income Tax Rate and Actual Income Tax Expense (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="IncomeTaxesScheduleofDeferredTaxAssetsAndLiabilitiesDetails" roleURI="http://www.wintrust.com/role/IncomeTaxesScheduleofDeferredTaxAssetsAndLiabilitiesDetails">
<link:definition> 9954540 - Disclosure - Income Taxes - Schedule of Deferred Tax Assets And Liabilities (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="StockCompensationPlansandOtherEmployeeBenefitPlansNarrativeDetails" roleURI="http://www.wintrust.com/role/StockCompensationPlansandOtherEmployeeBenefitPlansNarrativeDetails">
<link:definition> 9954541 - Disclosure - Stock Compensation Plans and Other Employee Benefit Plans - Narrative (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="StockCompensationPlansandOtherEmployeeBenefitPlansScheduleofStockOptionActivityDetails" roleURI="http://www.wintrust.com/role/StockCompensationPlansandOtherEmployeeBenefitPlansScheduleofStockOptionActivityDetails">
<link:definition> 9954542 - Disclosure - Stock Compensation Plans and Other Employee Benefit Plans - Schedule of Stock Option Activity (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="StockCompensationPlansandOtherEmployeeBenefitPlansScheduleofPlansRestrictedandPerformanceShareAwardActivityDetails" roleURI="http://www.wintrust.com/role/StockCompensationPlansandOtherEmployeeBenefitPlansScheduleofPlansRestrictedandPerformanceShareAwardActivityDetails">
<link:definition> 9954543 - Disclosure - Stock Compensation Plans and Other Employee Benefit Plans - Schedule of Plans' Restricted and Performance Share Award Activity (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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</link:roleType>
<link:roleType id="RegulatoryMattersNarrativeDetails" roleURI="http://www.wintrust.com/role/RegulatoryMattersNarrativeDetails">
<link:definition> 9954544 - Disclosure - Regulatory Matters - Narrative (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="RegulatoryMattersScheduleofCompliancewithMinimumCapitalRequirementsDetails" roleURI="http://www.wintrust.com/role/RegulatoryMattersScheduleofCompliancewithMinimumCapitalRequirementsDetails">
<link:definition> 9954545 - Disclosure - Regulatory Matters - Schedule of Compliance with Minimum Capital Requirements (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="RegulatoryMattersScheduleofActualCapitalAmountsandRatiosDetails" roleURI="http://www.wintrust.com/role/RegulatoryMattersScheduleofActualCapitalAmountsandRatiosDetails">
<link:definition> 9954546 - Disclosure - Regulatory Matters - Schedule of Actual Capital Amounts and Ratios (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="CommitmentsandContingenciesDetails" roleURI="http://www.wintrust.com/role/CommitmentsandContingenciesDetails">
<link:definition> 9954547 - Disclosure - Commitments and Contingencies (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="DerivativeFinancialInstrumentsScheduleofFairValueofDerivativeFinancialInstrumentsDetails" roleURI="http://www.wintrust.com/role/DerivativeFinancialInstrumentsScheduleofFairValueofDerivativeFinancialInstrumentsDetails">
<link:definition> 9954548 - Disclosure - Derivative Financial Instruments - Schedule of Fair Value of Derivative Financial Instruments (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="DerivativeFinancialInstrumentsScheduleofCashFlowHedgingInstrumentsDetails" roleURI="http://www.wintrust.com/role/DerivativeFinancialInstrumentsScheduleofCashFlowHedgingInstrumentsDetails">
<link:definition> 9954549 - Disclosure - Derivative Financial Instruments - Schedule of Cash Flow Hedging Instruments (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="DerivativeFinancialInstrumentsNarrativeDetails" roleURI="http://www.wintrust.com/role/DerivativeFinancialInstrumentsNarrativeDetails">
<link:definition> 9954550 - Disclosure - Derivative Financial Instruments - Narrative (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="DerivativeFinancialInstrumentsScheduleofAmountsinAccumulatedOtherComprehensiveIncomeRelatedtoInterestRateSwapsDesignatedasCashFlowHedgesDetails" roleURI="http://www.wintrust.com/role/DerivativeFinancialInstrumentsScheduleofAmountsinAccumulatedOtherComprehensiveIncomeRelatedtoInterestRateSwapsDesignatedasCashFlowHedgesDetails">
<link:definition> 9954551 - Disclosure - Derivative Financial Instruments - Schedule of Amounts in Accumulated Other Comprehensive Income Related to Interest Rate Swaps Designated as Cash Flow Hedges (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954552 - Disclosure - Derivative Financial Instruments - Schedule of Carrying Amount of Hedged Assets/(Liabilities (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954553 - Disclosure - Derivative Financial Instruments - Schedule of Consolidated Statement of Income Related to Derivatives (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="DerivativeFinancialInstrumentsScheduleofOffsettingAssetsOffsettingLiabilitiesDetails" roleURI="http://www.wintrust.com/role/DerivativeFinancialInstrumentsScheduleofOffsettingAssetsOffsettingLiabilitiesDetails">
<link:definition> 9954554 - Disclosure - Derivative Financial Instruments - Schedule of Offsetting Assets / Offsetting Liabilities (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="FairValuesofAssetsandLiabilitiesNarrativeDetails" roleURI="http://www.wintrust.com/role/FairValuesofAssetsandLiabilitiesNarrativeDetails">
<link:definition> 9954555 - Disclosure - Fair Values of Assets and Liabilities - Narrative (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 9954556 - Disclosure - Fair Values of Assets and Liabilities - Schedule of Balances of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) </link:definition>
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<link:roleType id="FairValuesofAssetsandLiabilitiesScheduleofChangesInLevel3AssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails" roleURI="http://www.wintrust.com/role/FairValuesofAssetsandLiabilitiesScheduleofChangesInLevel3AssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails">
<link:definition> 9954557 - Disclosure - Fair Values of Assets and Liabilities - Schedule of Changes In Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) </link:definition>
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<xs:element id="wtfc_InterestRateSwapsAt4150MaturingJuly2027Member" abstract="true" name="InterestRateSwapsAt4150MaturingJuly2027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_InterestRateSwapAndCollarMember" abstract="true" name="InterestRateSwapAndCollarMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="wtfc_SecuredOvernightFinancingRateSOFRMember" abstract="true" name="SecuredOvernightFinancingRateSOFRMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_FeesFromCoveredCallOptions" abstract="false" name="FeesFromCoveredCallOptions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_RevenuesServiceCharges" abstract="false" name="RevenuesServiceCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_NonConstructionLoansMember" abstract="true" name="NonConstructionLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_DeferredCompensationSharesToBeIssued" abstract="false" name="DeferredCompensationSharesToBeIssued" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
<xs:element id="wtfc_AuditorInformationAbstract" abstract="true" name="AuditorInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="wtfc_TownBankMember" abstract="true" name="TownBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_InterestRateSwapsAt3915MaturingMarch2026Member" abstract="true" name="InterestRateSwapsAt3915MaturingMarch2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_NonConstructionLoanMember" abstract="true" name="NonConstructionLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_FederalHomeLoanBankAdvance295Due2033Member" abstract="true" name="FederalHomeLoanBankAdvance295Due2033Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="wtfc_LoansTable" abstract="true" name="LoansTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
<xs:element id="wtfc_ProceedsFromSalesAndCapitalDistributionsOfEquitySecuritiesWithoutReadilyDeterminableFairValue" abstract="false" name="ProceedsFromSalesAndCapitalDistributionsOfEquitySecuritiesWithoutReadilyDeterminableFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_AssetsNonrecurringFairValueLossesRecognized" abstract="false" name="AssetsNonrecurringFairValueLossesRecognized" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_InterestRateContractTerminatedMember" abstract="true" name="InterestRateContractTerminatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_ServiceChargesOnDepositAccountsRevenueMember" abstract="true" name="ServiceChargesOnDepositAccountsRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_LakeForestBankMember" abstract="true" name="LakeForestBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_InterestAndDividendIncomeSecuritiesOperatingMember" abstract="true" name="InterestAndDividendIncomeSecuritiesOperatingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_CommonSecuritiesProportionToJuniorSubordinatedDebentures" abstract="false" name="CommonSecuritiesProportionToJuniorSubordinatedDebentures" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="wtfc_PercentageOfPerformanceBasedAwardPayouts" abstract="false" name="PercentageOfPerformanceBasedAwardPayouts" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="wtfc_FinancingReceivableExcludingAccruedInterestModifiedInPeriodAmount" abstract="false" name="FinancingReceivableExcludingAccruedInterestModifiedInPeriodAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_ImpairedLoansFairValueLossesRecognized" abstract="false" name="ImpairedLoansFairValueLossesRecognized" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_LibertyvilleBankMember" abstract="true" name="LibertyvilleBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_CashIncentiveAndRetentionPlanMember" abstract="true" name="CashIncentiveAndRetentionPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_NumberOfSubsidiaries" abstract="false" name="NumberOfSubsidiaries" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
<xs:element id="wtfc_MarketableSecuritiesGainLossIncludingOtherThanTemporaryImpairmentLoss" abstract="false" name="MarketableSecuritiesGainLossIncludingOtherThanTemporaryImpairmentLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_WintrustBankMember" abstract="true" name="WintrustBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_InterestRateSwapsAt4.245MaturingNovember20292Member" abstract="true" name="InterestRateSwapsAt4.245MaturingNovember20292Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="wtfc_LondonInterbankOfferedRateLIBOR1Member" abstract="true" name="LondonInterbankOfferedRateLIBOR1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="wtfc_EquitySecuritiesFVNIAccumulatedUnrealizedLoss" abstract="false" name="EquitySecuritiesFVNIAccumulatedUnrealizedLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_InterestRateSwapTerminatedOriginalSwapMaturingMarch2023Member" abstract="true" name="InterestRateSwapTerminatedOriginalSwapMaturingMarch2023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_NonMaturityDepositsFairValueDisclosure" abstract="false" name="NonMaturityDepositsFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_DeferredTaxAssetsFDICSpecialAssessment" abstract="false" name="DeferredTaxAssetsFDICSpecialAssessment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_GainLossOnBankOwnedLifeInsuranceNetOfClaims" abstract="false" name="GainLossOnBankOwnedLifeInsuranceNetOfClaims" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_FederalHomeLoanBankAdvance298Due2032Member" abstract="true" name="FederalHomeLoanBankAdvance298Due2032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_InterestAndFeeIncomeLoansAndLeasesMember" abstract="true" name="InterestAndFeeIncomeLoansAndLeasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_InterestRateSwapsAt3526MaturingMarch2028Member" abstract="true" name="InterestRateSwapsAt3526MaturingMarch2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentNetofTaxAbstract" abstract="true" name="OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentNetofTaxAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="wtfc_BeverlyBankMember" abstract="true" name="BeverlyBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_FinancingReceivablesModificationsWeightedAverageExtensionTerm" abstract="false" name="FinancingReceivablesModificationsWeightedAverageExtensionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
<xs:element id="wtfc_ImpairedFinancingReceivableMeasurementInput" abstract="false" name="ImpairedFinancingReceivableMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
<xs:element id="wtfc_IssuanceOfCommonSharesResultingFromExerciseOfShareBasedCompensationAwards" abstract="false" name="IssuanceOfCommonSharesResultingFromExerciseOfShareBasedCompensationAwards" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_ImpairedFinancingReceivableByTypeDomain" abstract="true" name="ImpairedFinancingReceivableByTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_CommitmentsAndContingenciesTable" abstract="true" name="CommitmentsAndContingenciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
<xs:element id="wtfc_CommunityBankingSegmentMember" abstract="true" name="CommunityBankingSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_InterestRateSwapsAt4.245MaturingNovember20291Member" abstract="true" name="InterestRateSwapsAt4.245MaturingNovember20291Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="wtfc_WintrustCapitalTrustSevenMember" abstract="true" name="WintrustCapitalTrustSevenMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_LoansHeldForSaleMember" abstract="true" name="LoansHeldForSaleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_UnfundedCommitmentsToInvestInPartnerships" abstract="false" name="UnfundedCommitmentsToInvestInPartnerships" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_OwnershipInterestPercentageInUnconsolidatedSubsidiaryTrusts" abstract="false" name="OwnershipInterestPercentageInUnconsolidatedSubsidiaryTrusts" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="wtfc_TownBanksharesCapitalTrustOneMember" abstract="true" name="TownBanksharesCapitalTrustOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_RollforwardOfAociFromCashFlowHedgingDerivativesRollForward" abstract="true" name="RollforwardOfAociFromCashFlowHedgingDerivativesRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="wtfc_EarlyBuyOutLoansMember" abstract="true" name="EarlyBuyOutLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_LoansHeldForSaleFairValueDisclosure90DaysOrMorePastDueStillAccruing" abstract="false" name="LoansHeldForSaleFairValueDisclosure90DaysOrMorePastDueStillAccruing" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_InterestRateCollarMaturingOctober2026Member" abstract="true" name="InterestRateCollarMaturingOctober2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_TrustPreferredSecuritiesProportionToJuniorSubordinatedDebentures" abstract="false" name="TrustPreferredSecuritiesProportionToJuniorSubordinatedDebentures" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="wtfc_PremiumLifeInsurancePortfolioSegmentMember" abstract="true" name="PremiumLifeInsurancePortfolioSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_FeesFromCoveredCallOptionsMember" abstract="true" name="FeesFromCoveredCallOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_LoanTypeUnderBorrowingAgreementAxis" abstract="true" name="LoanTypeUnderBorrowingAgreementAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
<xs:element id="wtfc_FederalHomeLoanBankAdvance000Due2024Member" abstract="true" name="FederalHomeLoanBankAdvance000Due2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_InterestRateCollarTerminatedMember" abstract="true" name="InterestRateCollarTerminatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment" abstract="false" name="FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_SecuritiesByASingleNonGovernmentSponsoredIssuerExceedingTenPercentOfShareholdersEquity" abstract="false" name="SecuritiesByASingleNonGovernmentSponsoredIssuerExceedingTenPercentOfShareholdersEquity" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
<xs:element id="wtfc_NorthviewCapitalTrustOneMember" abstract="true" name="NorthviewCapitalTrustOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAddedByPerformanceFactorAtVesting" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAddedByPerformanceFactorAtVesting" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
<xs:element id="wtfc_WealthManagementReceivable" abstract="false" name="WealthManagementReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_InterestRateSwapsAt3748MaturingMarch2028Member" abstract="true" name="InterestRateSwapsAt3748MaturingMarch2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_PremiumFinanceReceivablesLifeInsuranceMember" abstract="true" name="PremiumFinanceReceivablesLifeInsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_LoansAndFinanceReceivablesAndUnfundedLoanCommitmentMember" abstract="true" name="LoansAndFinanceReceivablesAndUnfundedLoanCommitmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_FederalHomeLoanBankAdvance431Due2023Member" abstract="true" name="FederalHomeLoanBankAdvance431Due2023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_WealthManagementDeposits" abstract="false" name="WealthManagementDeposits" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentNetOfTax" abstract="false" name="OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_LoansHeldForSaleFairValueDisclosureNonaccrual" abstract="false" name="LoansHeldForSaleFairValueDisclosureNonaccrual" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_PaymentsForProceedsFromFederalHomeLoanAndFederalReserveBankStock" abstract="false" name="PaymentsForProceedsFromFederalHomeLoanAndFederalReserveBankStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_AccountingPoliciesTable" abstract="true" name="AccountingPoliciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
<xs:element id="wtfc_PercentageOfLoansAndLeasesReceivableGrossCarryingAmount" abstract="false" name="PercentageOfLoansAndLeasesReceivableGrossCarryingAmount" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="wtfc_ResidentialRealEstateLoansExcludingEarlyBuyOutLoansMember" abstract="true" name="ResidentialRealEstateLoansExcludingEarlyBuyOutLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_WintrustStatutoryTrustFiveMember" abstract="true" name="WintrustStatutoryTrustFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_InterestRateSwapsAt3.933MaturingOctober20291Member" abstract="true" name="InterestRateSwapsAt3.933MaturingOctober20291Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="wtfc_AccretionAmortizationOfDiscountsAndPremiumsOnLoans" abstract="false" name="AccretionAmortizationOfDiscountsAndPremiumsOnLoans" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_PaymentsToAcquireEquitySecuritiesWithoutReadilyDeterminableFairValue" abstract="false" name="PaymentsToAcquireEquitySecuritiesWithoutReadilyDeterminableFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_BarringtonBankMember" abstract="true" name="BarringtonBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_TaxBenefitRealizedOnSettlementPercentage" abstract="false" name="TaxBenefitRealizedOnSettlementPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="wtfc_NumberOfUnconsolidatedSubsidiaryTrusts" abstract="false" name="NumberOfUnconsolidatedSubsidiaryTrusts" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
<xs:element id="wtfc_ReclassificationFromAOCIAmortizationOfUnrealizedGainsLossesOnInvestmentSecuritiesTransferredToHeldToMaturityFromAvailableForSaleNetOfTaxAttributableToParent" abstract="false" name="ReclassificationFromAOCIAmortizationOfUnrealizedGainsLossesOnInvestmentSecuritiesTransferredToHeldToMaturityFromAvailableForSaleNetOfTaxAttributableToParent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_InterestRateSwapTerminatedOriginalSwapMaturingApril2024Member" abstract="true" name="InterestRateSwapTerminatedOriginalSwapMaturingApril2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_CrystalLakeBankMember" abstract="true" name="CrystalLakeBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_CreditAgreementMember" abstract="true" name="CreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_CommitmentsAndContingenciesLineItems" abstract="true" name="CommitmentsAndContingenciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="wtfc_PremiumFinanceReceivablePortfolioSegmentMember" abstract="true" name="PremiumFinanceReceivablePortfolioSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_RealEstateAcquiredThroughForeclosureFairValueLossesRecognized" abstract="false" name="RealEstateAcquiredThroughForeclosureFairValueLossesRecognized" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_JuniorSubordinatedDebenturesTextBlock" abstract="false" name="JuniorSubordinatedDebenturesTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
<xs:element id="wtfc_MarketableSecuritiesGrossRealizedLossesExcludingOtherThanTemporaryImpairments" abstract="false" name="MarketableSecuritiesGrossRealizedLossesExcludingOtherThanTemporaryImpairments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_NorthbrookBankMember" abstract="true" name="NorthbrookBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_EquitySecuritiesFVNIAccumulatedUnrealizedGain" abstract="false" name="EquitySecuritiesFVNIAccumulatedUnrealizedGain" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentBeforeTax" abstract="false" name="OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentBeforeTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_EarlyBuyoutExercisesOfGuaranteedMortgageLoansHeldForSale" abstract="false" name="EarlyBuyoutExercisesOfGuaranteedMortgageLoansHeldForSale" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_SchaumburgBankMember" abstract="true" name="SchaumburgBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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<xs:element id="wtfc_CommunityFinancialSharesStatutoryTrustTwoMember" abstract="true" name="CommunityFinancialSharesStatutoryTrustTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_SuburbanIllinoisCapitalTrustTwoMember" abstract="true" name="SuburbanIllinoisCapitalTrustTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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<xs:element id="wtfc_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesinNetGainLossfromCashFlowHedgesGross" abstract="false" name="AccumulatedOtherComprehensiveIncomeLossCumulativeChangesinNetGainLossfromCashFlowHedgesGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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<xs:element id="wtfc_SubordinatedDebt500MaturingJune2024Member" abstract="true" name="SubordinatedDebt500MaturingJune2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_NegotiableOrderOfWithdrawalAndInterestBearingDemandDepositsPercentage" abstract="false" name="NegotiableOrderOfWithdrawalAndInterestBearingDemandDepositsPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="wtfc_FederalHomeLoanBankAdvance193Due2032Member" abstract="true" name="FederalHomeLoanBankAdvance193Due2032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_InterestRateSwapsAt4450MaturingJuly2026Member" abstract="true" name="InterestRateSwapsAt4450MaturingJuly2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_DepositarySharesSeriesEPreferredStockMember" abstract="true" name="DepositarySharesSeriesEPreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_ConsumerAndOtherPortfolioSegmentMember" abstract="true" name="ConsumerAndOtherPortfolioSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_MortgageServicingRightsMember" abstract="true" name="MortgageServicingRightsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_AdministrativeServicesReceivable" abstract="false" name="AdministrativeServicesReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_ProceedsFromSaleOfEquitySecuritiesWithReadilyDeterminableFairValue" abstract="false" name="ProceedsFromSaleOfEquitySecuritiesWithReadilyDeterminableFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_ProceedsFromPaymentsToSubsidiaries" abstract="false" name="ProceedsFromPaymentsToSubsidiaries" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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<xs:element id="wtfc_RatioOfPreferredStockToDepositaryShares" abstract="false" name="RatioOfPreferredStockToDepositaryShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
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<xs:element id="wtfc_RevenuesMortgageBanking" abstract="false" name="RevenuesMortgageBanking" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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<xs:element id="wtfc_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairments" abstract="false" name="FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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<xs:element id="wtfc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedButNotIssuableInPeriodWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedButNotIssuableInPeriodWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
<xs:element id="wtfc_PreferredStockDividendRateVariableSpread" abstract="false" name="PreferredStockDividendRateVariableSpread" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
<xs:element id="wtfc_LessorOperatingLeaseDepreciationAndImpairmentExpense" abstract="false" name="LessorOperatingLeaseDepreciationAndImpairmentExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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<xs:element id="wtfc_FederalHomeLoanBankAdvance372Due2033Member" abstract="true" name="FederalHomeLoanBankAdvance372Due2033Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="wtfc_ScheduleOfMaturitiesOfTimeCertificatesTableTextBlock" abstract="false" name="ScheduleOfMaturitiesOfTimeCertificatesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
<xs:element id="wtfc_FinancingReceivablesModificationsWeightedAverageInterestOnlyTerm" abstract="false" name="FinancingReceivablesModificationsWeightedAverageInterestOnlyTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
<xs:element id="wtfc_FurnitureEquipmentAndComputerSoftwareMember" abstract="true" name="FurnitureEquipmentAndComputerSoftwareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_InternalInvestmentGrade8To10Member" abstract="true" name="InternalInvestmentGrade8To10Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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<xs:element id="wtfc_InterestIncomeFederalHomeLoanBanksAndFederalReserveBankStock" abstract="false" name="InterestIncomeFederalHomeLoanBanksAndFederalReserveBankStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_FederalAgencyBorrowingsMember" abstract="true" name="FederalAgencyBorrowingsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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<xs:element id="wtfc_TermLoanFacilityMember" abstract="true" name="TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_InterestIncomeFinancingReceivableExcludingAccruedInterest" abstract="false" name="InterestIncomeFinancingReceivableExcludingAccruedInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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<xs:element id="wtfc_BaseRateLoanMember" abstract="true" name="BaseRateLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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<xs:element id="wtfc_CardRelatedFeeReceivable" abstract="false" name="CardRelatedFeeReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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<xs:element id="wtfc_LossesChargedAgainstIndemnificationLiability" abstract="false" name="LossesChargedAgainstIndemnificationLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_LoansLineItems" abstract="true" name="LoansLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="wtfc_MortgageBrokerFeeReceivable" abstract="false" name="MortgageBrokerFeeReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_WintrustCapitalTrustThreeMember" abstract="true" name="WintrustCapitalTrustThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_InterestRateSwapsAndCapsMember" abstract="true" name="InterestRateSwapsAndCapsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_CustomerBalancesMaintainedByClearingBrokerAndSubjectToIndemnification" abstract="false" name="CustomerBalancesMaintainedByClearingBrokerAndSubjectToIndemnification" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_ResidentialRealEstateAndOtherMember" abstract="true" name="ResidentialRealEstateAndOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_AssetManagementRevenueMember" abstract="true" name="AssetManagementRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_EffectiveIncomeTaxRateReconciliationIncreaseDecreaseInTaxResultingFromIncomeEarnedOnBankOwnedLifeInsurance" abstract="false" name="EffectiveIncomeTaxRateReconciliationIncreaseDecreaseInTaxResultingFromIncomeEarnedOnBankOwnedLifeInsurance" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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<xs:element id="wtfc_EmployeeStockPurchasePlanCompensationExpense" abstract="false" name="EmployeeStockPurchasePlanCompensationExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_FederalHomeLoanBankAdvance000Due2026Member" abstract="true" name="FederalHomeLoanBankAdvance000Due2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_OldPlankTrailBankMember" abstract="true" name="OldPlankTrailBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_CardRelatedFeeRevenueMember" abstract="true" name="CardRelatedFeeRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_LifeInsuranceLoansMember" abstract="true" name="LifeInsuranceLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_LoanForgiveness" abstract="false" name="LoanForgiveness" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_StockIssuedDuringPeriodValueStockOptionsAndWarrantsExercised" abstract="false" name="StockIssuedDuringPeriodValueStockOptionsAndWarrantsExercised" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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<xs:element id="wtfc_ExtendedMaturityAndContractualInterestRateReductionMember" abstract="true" name="ExtendedMaturityAndContractualInterestRateReductionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_StCharlesBankMember" abstract="true" name="StCharlesBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_LoansHeldForInvestmentMember" abstract="true" name="LoansHeldForInvestmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_CorporateFinancialDebtSecuritiesMember" abstract="true" name="CorporateFinancialDebtSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_FederalHomeLoanBankAdvance308Due2032Member" abstract="true" name="FederalHomeLoanBankAdvance308Due2032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_MortgageBankingDerivativesMember" abstract="true" name="MortgageBankingDerivativesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_BrokerageCustomerReceivablesPolicyPolicyTextBlock" abstract="false" name="BrokerageCustomerReceivablesPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
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<xs:element id="wtfc_ServicingAssetAtFairValueEarlyBuyoutOption" abstract="false" name="ServicingAssetAtFairValueEarlyBuyoutOption" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_CommercialIndustrialAndOtherPortfolioSegmentMember" abstract="true" name="CommercialIndustrialAndOtherPortfolioSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_DepositsWithStatedMaturities" abstract="false" name="DepositsWithStatedMaturities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_AllowanceForCreditLossesTableTextBlock" abstract="false" name="AllowanceForCreditLossesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
<xs:element id="wtfc_MortgageBrokerFeesMember" abstract="true" name="MortgageBrokerFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_InterestRateSwapTerminatedMember" abstract="true" name="InterestRateSwapTerminatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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<xs:element id="wtfc_NumberOfRealEstatePropertiesSecuredByDebtInstrument" abstract="false" name="NumberOfRealEstatePropertiesSecuredByDebtInstrument" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
<xs:element id="wtfc_InterestRateContractQualifiedBorrowersMember" abstract="true" name="InterestRateContractQualifiedBorrowersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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<xs:element id="wtfc_SecuritiesOwnedNotReadilyMarketablePeriodIncreaseDecrease" abstract="false" name="SecuritiesOwnedNotReadilyMarketablePeriodIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="wtfc_HinsdaleBankMember" abstract="true" name="HinsdaleBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="wtfc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedButDeferredInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedButDeferredInPeriod" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
</xs:schema>


51 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

12/12/23  Wintrust Financial Corp.          8-K:1,2,9  12/11/23   12:250K
 8/01/23  Wintrust Financial Corp.          8-K:5,9     7/27/23   12:301K
 7/20/23  Wintrust Financial Corp.          8-K:1,2,9   7/17/23   14:10M
 6/06/23  Wintrust Financial Corp.          8-K:1,2,9   5/31/23   14:311K
 5/09/23  Wintrust Financial Corp.          10-Q        3/31/23  105:24M
 1/30/23  Wintrust Financial Corp.          8-K:5,7,9   1/26/23   15:603K                                   Toppan Merrill/FA
12/15/22  Wintrust Financial Corp.          8-K:1,2,9  12/12/22   12:1.2M
 9/15/22  Wintrust Financial Corp.          8-K:1,2,9   9/13/22   12:266K
 5/27/22  Wintrust Financial Corp.          8-K:5,9     5/26/22   12:375K
 5/03/22  Wintrust Financial Corp.          8-K:1,2,9   5/02/22   14:292K
12/28/21  Wintrust Financial Corp.          8-K:1,2,9  12/23/21   12:1.3M
 9/14/21  Wintrust Financial Corp.          8-K:1,2,9   9/14/21   12:297K
 5/07/21  Wintrust Financial Corp.          10-Q        3/31/21  112:25M
 4/08/21  Wintrust Financial Corp.          DEF 14A     5/27/21    1:2.9M
 1/20/21  Wintrust Financial Corp.          8-K:1,2,9   1/15/21   15:288K
 9/17/20  Wintrust Financial Corp.          8-K:1,2,9   9/15/20   13:1.1M
 5/26/20  Wintrust Financial Corp.          8-K:1,2,9   5/20/20   15:281K
 5/15/20  Wintrust Financial Corp.          8-K:8,9     5/15/20   13:622K                                   Toppan Merrill/FA
 5/08/20  Wintrust Financial Corp.          8-K:1,3,5,9 5/06/20   13:626K                                   Toppan Merrill/FA
 5/06/20  Wintrust Financial Corp.          S-3ASR      5/06/20    5:1.2M                                   Toppan Merrill-FA
 1/17/20  Wintrust Financial Corp.          8-K:1,2,9   1/15/20   15:292K
 9/19/19  Wintrust Financial Corp.          8-K:1,2,9   9/17/19   13:288K
 6/06/19  Wintrust Financial Corp.          8-K:1,2,9   6/03/19    4:458K                                   Toppan Merrill/FA
 5/30/19  Wintrust Financial Corp.          8-K:1,2,9   5/27/19    4:86K
 2/22/19  Wintrust Financial Corp.          8-K:1,2,9   2/15/19    3:61K
 9/19/18  Wintrust Financial Corp.          8-K:1,2,9   9/18/18    2:676K
 7/03/18  Wintrust Financial Corp.          8-K:1,2,9   6/28/18    3:53K
 5/25/18  Wintrust Financial Corp.          8-K:5,9     5/24/18    2:131K
 2/28/18  Wintrust Financial Corp.          10-K       12/31/17  156:40M
12/18/17  Wintrust Financial Corp.          8-K:1,2,9  12/15/17    3:55K
 5/09/16  Wintrust Financial Corp.          10-Q        3/31/16  114:28M
 2/29/16  Wintrust Financial Corp.          10-K       12/31/15  163:43M
 6/01/15  Wintrust Financial Corp.          8-K:5,9     5/28/15    2:166K
 2/27/15  Wintrust Financial Corp.          10-K       12/31/14  159:57M
12/19/14  Wintrust Financial Corp.          8-K:1,2,9  12/15/14    4:1.1M
 7/29/14  Wintrust Financial Corp.          8-K:8,9     7/24/14    2:63K
 6/13/14  Wintrust Financial Corp.          8-K:1,8,9   6/10/14    7:839K
 8/08/13  Wintrust Financial Corp.          10-Q        6/30/13  214:73M
 4/24/12  Wintrust Financial Corp.          DEF 14A     5/24/12    1:1.2M                                   Donnelley … Solutions/FA
11/08/11  Wintrust Financial Corp.          S-8        11/08/11    4:113K                                   Donnelley … Solutions/FA
 8/10/09  Wintrust Financial Corp.          10-Q        6/30/09    6:997K                                   Donnelley … Solutions/FA
12/24/08  Wintrust Financial Corp.          8-K:1,3,5,812/18/08   13:887K                                   Donnelley … Solutions/FA
 8/11/08  Wintrust Financial Corp.          10-Q        6/30/08    7:943K                                   Bowne Boc/FA
 3/01/07  Wintrust Financial Corp.          10-K       12/31/06   15:3.9M                                   Bowne Boc/FA
 9/06/06  Wintrust Financial Corp.          8-K:1,2,9   9/01/06    4:877K                                   Bowne Boc/FA
 8/09/06  Wintrust Financial Corp.          10-Q        6/30/06    7:967K                                   Bowne Boc/FA
 8/04/05  Wintrust Financial Corp.          8-K:1,2,9   8/02/05    4:847K                                   Bowne Boc/FA
 7/01/04  Wintrust Financial Corp.          S-8         7/01/04    8:99K                                    Vedder Price P.C./FA
 4/27/01  Wintrust Financial Corp.          DEF 14A     5/24/01    1:104K                                   Swift John S Co. Inc./FA
 8/14/00  Wintrust Financial Corp.          10-Q        6/30/00    3:113K                                   Swift John S Co. Inc./FA
 4/28/97  Wintrust Financial Corp.          DEF 14A     5/22/97    1:151K                                   Swift John S Co. Inc./FA
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Filing Submission 0001015328-24-000083   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

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