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Sei Investments Co. – ‘8-K’ for 3/4/21 – ‘R1’

On:  Thursday, 3/4/21, at 9:04am ET   ·   For:  3/4/21   ·   Accession #:  350894-21-13   ·   File #:  0-10200

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

 3/04/21  Sei Investments Co.               8-K:7,9     3/04/21   13:6.3M

Current Report   —   Form 8-K
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 8-K         Current Report                                      HTML     27K 
 2: EX-99.1     Miscellaneous Exhibit                               HTML     71K 
 9: R1          Cover                                               HTML     46K 
11: XML         IDEA XML File -- Filing Summary                      XML     12K 
 8: XML         XBRL Instance -- seic-20210304_htm                   XML     21K 
10: EXCEL       IDEA Workbook of Financial Reports                  XLSX      6K 
 4: EX-101.CAL  XBRL Calculations -- seic-20210304_cal               XML      7K 
 5: EX-101.DEF  XBRL Definitions -- seic-20210304_def                XML      9K 
 6: EX-101.LAB  XBRL Labels -- seic-20210304_lab                     XML     68K 
 7: EX-101.PRE  XBRL Presentations -- seic-20210304_pre              XML     33K 
 3: EX-101.SCH  XBRL Schema -- seic-20210304                         XSD     11K 
12: JSON        XBRL Instance as JSON Data -- MetaLinks               12±    17K 
13: ZIP         XBRL Zipped Folder -- 0000350894-21-000013-xbrl      Zip     60K 


‘R1’   —   Cover


This is an IDEA Financial Report.  [ Alternative Formats ]



 
v3.20.4
Cover
Cover [Abstract]  
Document Type 8-K
Document Period End Date Mar. 04, 2021
Entity Registrant Name SEI INVESTMENTS COMPANY
Entity Central Index Key 0000350894
Amendment Flag false
Entity Incorporation, State or Country Code PA
Entity File Number 0-10200
Entity Tax Identification Number 23-1707341
Entity Address, Address Line One 1 Freedom Valley Drive
Entity Address, City or Town Oaks
Entity Address, State or Province PA
Entity Address, Postal Zip Code 19456
City Area Code 610
Local Phone Number 676-1000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol SEIC
Security Exchange Name NASDAQ
Entity Emerging Growth Company false

Dates Referenced Herein

This ‘8-K’ Filing    Date    Other Filings
Filed on / For Period end:3/4/21None on these Dates
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Filing Submission 0000350894-21-000013   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

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