Report 
 
      
Registrant:   Kayne Anderson MLP Investment Co. — List all N-SARs

Semi-Annual Report (at mid-year) for the 1st-half period ended:  5/31/13

Were there any Answer File errors in the Filing?  None FoundNone Found by SEC InfoNot Checked by the FilerOne or more Found by SEC Info
Was the Answer File completed by the Registrant?  Yes

Is this an Amendment to a previous Report?  No
Is this a change to a previous Report?      No
 
Registrant 
 
 1.
SEC CIK:      1293613
SEC File #:   811-21593

Telephone #:  877-657-3863
 
 2.
Address:      717 Texas Avenue, Suite 3100
              Houston, TX  77002
 
 3.
Is this the first Form N-SAR filed by the Registrant?  No
 
 4.
Is this the final Form N-SAR filed by the Registrant?  No
 
 
Funds/Series 
↑Top of Form N-SAR 
     
                                                                               
 7.
Is the Registrant a Funds/Series (multiple portfolios) company?  No
 
Investment Adviser 
 
 8.1
Name:         Ka Fund Advisors, LLC
Role:         Adviser
SEC File #:   801-67089
Location:     Houston, TX
 
Administrator 
 
10.1
Name:         Ultimus Fund Solutions, LLC
SEC File #:   084-58290
Location:     Cincinnati, OH
 
Principal Underwriter 
 
11.1
Name:         Citigroup Global Markets Inc.
SEC File #:   008-08177
Location:     New York, NY
 
11.2
Name:         UBS Securities LLC
SEC File #:   008-22651
Location:     New York, NY
 
11.3
Name:         Merrill Lynch, Pierce, Fenner & Smith Inc.
SEC File #:   008-07221
Location:     New York, NY
 
11.4
Name:         Morgan Stanley & Co. LLC
SEC File #:   008-15869
Location:     New York, NY
 
11.5
Name:         Wells Fargo Securities, LLC
SEC File #:   008-65876
Location:     Charlotte, NC
 
11.6
Name:         Robert W. Baird & Co. Inc.
SEC File #:   008-49700
Location:     Milwaukee, WI
 
11.7
Name:         RBC Capital Markets, LLC
SEC File #:   008-45411
Location:     New York, NY
 
11.8
Name:         Stifel Nicolaus & Co., Inc.
SEC File #:   008-01447
Location:     St Louis, MO
 
11.9
Name:         Barclays Capital Inc.
SEC File #:   008-51376
Location:     New York, NY
 
11.10
Name:         Deutsche Bank Securities Inc.
SEC File #:   008-74042
Location:     New York, NY
 
11.11
Name:         (See a prior Form N-SAR for who was...)  Deleted
 
11.12
Name:         (See a prior Form N-SAR for who was...)  Deleted
 
11.13
Name:         (See a prior Form N-SAR for who was...)  Deleted
 
Shareholder Servicing/Transfer Agent 
 
12.1
Name:         American Stock Transfer & Trust Co., LLC
SEC File #:   084-00416
Location:     Brooklyn, NY
 
Independent Public Accountant 
 
13.1
Name:         Pricewaterhousecoopers LLP
Location:     Los Angeles, CA
 
Affiliated Broker/Dealer 
 
14.1
Name:         Ka Associates, Inc.
SEC File #:   008-45640
 
Custodian 
 
15.1
Name:         JPMorgan Chase Bank, N.A.
Role:         Custodian
Location:     Dallas, TX

Type of custody:  Section 17(f)(1) — Bank
 
18.
Does the Registrant’s/Series’ Custodian(s) maintain some or all of the
Registrant’s/Series’ securities in a central depository or book-entry
system pursuant to Rule 17f-4?  Yes
 
Family of Investment Companies 
 
19.
Is the Registrant/Series part of a “family” of investment companies?  Yes

Total number of registered management investment companies, Series
and portfolios (excluding any Unit Investment Trusts) in the family:  4

The Identification Code of the family for Form N-SAR Filings:  KAYNEANDER
 
Brokerage Commissions Paid on Portfolio Transactions 
 
20.
The brokers who received the largest amount of gross brokerage
commissions during the period:
 
20.1
Broker:       Citigroup Global Markets Inc.
IRS #:        11-2418191
Commissions paid ($000s):  150
 
20.2
Broker:       Morgan Stanley & Co. LLC
IRS #:        13-2655998
Commissions paid ($000s):  84
 
20.3
Broker:       Liquidnet, Inc.
IRS #:        13-4095933
Commissions paid ($000s):  76
 
20.4
Broker:       Barclays Capital Inc.
IRS #:        06-1031656
Commissions paid ($000s):  75
 
20.5
Broker:       Banc of America Securities LLC
IRS #:        56-2058405
Commissions paid ($000s):  55
 
20.6
Broker:       Instinet, Inc.
IRS #:        13-2625132
Commissions paid ($000s):  43
 
20.7
Broker:       Raymond James & Associates, Inc.
IRS #:        59-1237041
Commissions paid ($000s):  40
 
20.8
Broker:       Knight Capital Americas, L.P.
IRS #:        22-3660471
Commissions paid ($000s):  38
 
20.9
Broker:       J.P. Morgan Securities LLC
IRS #:        13-3299429
Commissions paid ($000s):  36
 
20.10
Broker:       Jones Trading Institutional Services LLC
IRS #:        51-0484896
Commissions paid ($000s):  35
 
21.
Total brokerage commissions paid by the Registrant during the period:
  Aggregate paid ($000s):  865
 
Portfolio Transactions with Entities Acting as Principals 
 
22.
The entities acting as principals with whom the Registrant did the
largest amount of portfolio transactions, based on total value of
principal, during the period:
 
22.1
Entity:       Citigroup Global Markets Inc.
IRS #:        11-2418191
Registrant’s purchases ($000s):  19,293
 
22.2
Entity:       Barclays Capital Inc.
IRS #:        06-1031656
Registrant’s purchases ($000s):  14,828
 
22.3
Entity:       Wells Fargo Securities LLC
IRS #:        56-2326000
Registrant’s purchases ($000s):  9,304
 
22.4
Entity:       RBC Capital Markets LLC
IRS #:        41-1228350
Registrant’s purchases ($000s):  190
 
22.5
Entity:       Tudor, Pickering, Holt & Co., LLC
IRS #:        32-0193581
Registrant’s purchases ($000s):  110
 
23.
Total purchase/sale transactions by the Registrant during the period:
   Aggregate purchases ($000s):  216,120
   Aggregate sales ($000s):  43,725
 
Holdings of Securities Issued by Registrant’s/Series’ Brokers or Dealers 
 
24.
At period end, did the Registrant/Series hold any securities of the
Registrant’s/Series’ regular brokers or dealers, or of the parents of
such brokers or dealers, that derive more than 15% of gross revenue from
securities-related activities?  No

25.

The brokers or dealers, or their parents (issuers):
 
25.1
Name:         (See a prior Form N-SAR for who was...)  Deleted
 
Considerations which Affected the Participation of Brokers or Dealers 
 
26.
Considerations which affected the participation of brokers or dealers or
other entities in commissions or other compensation paid on portfolio
transactions of the Registrant:

Consideration?
Sales of the Registrant’s/Series’ shares ...............................  No
Receipt of investment research and statistical info ....................  Yes
Receipt of quotations for portfolio valuations .........................  No
Ability to execute portfolio transactions to obtain the best price
  and execution ........................................................  Yes
Receipt of telephone line and wire services ............................  No
Broker or Dealer which is an affiliated person .........................  No
An arrangement to return or credit part or all of commissions or
  profits thereon...
    To an Investment Adviser or Principal Underwriter, or to an
      affiliated person of either ......................................  No
    To the Registrant ..................................................  No
Other ..................................................................  No
 
Investment Company Type 
 
27.
Is the Registrant an “open-end” investment company?  No, Closed-End
 
Advisory Fee 
 
45.
Did the Registrant/Series have an advisory contract during the period?  Yes
 
46.
Did the Registrant/Series pay more than one Investment Adviser directly
for investment advice during the period?  No
 
47.
Was the Registrant’s/Series’ advisory fee based solely on a percentage
of its assets?  Yes
 
48.
Fee (single rate or step rates) applied to the Registrant’s/Series’
assets based on the advisory contract:
    Single-fee rate:  0.0%
    Step-fee rates:
      For 1st $000s:  4,500,000
        Annual rate:  1.375%
      & Above $000s:  4,500,000
        Annual rate:  1.25%
 
49.
Was the Registrant’s/Series’ advisory fee during the period based solely
on a percentage of its income?  No
 
50.
Was the Registrant’s/Series’ advisory fee during the period based on
some combined percentage of its income and assets?  No
 
51.
Was the Registrant’s/Series’ advisory fee during the period based in
whole or in part on its investment performance?  No
 
52.
Was the Registrant’s/Series’ advisory fee during the period based in
whole or in part on the assets, income or performance of other
Registrants?  No
 
53.
Were the expenses of the Registrant/Series limited or reduced at any
time during the period by some agreement or understanding other than by
Blue Sky Laws?  No
 
54.
Indicated below are whether services were supplied or paid for wholly or
in substantial part by Investment Adviser(s) or Administrator(s) in
connection with the advisory or administrative contract(s) but for which
the Adviser(s) or Administrator(s) are not reimbursed by the Registrant:

Provided to the Registrant?
Occupancy and office rental ............................................  Yes
Clerical and bookkeeping services ......................................  Yes
Accounting services ....................................................  Yes
Services of independent auditors .......................................  No
Services of outside counsel ............................................  No
Registration and filing fees ...........................................  No
Stationery, supplies and printing ......................................  Yes
Salaries & compensation of Registrant’s interested Directors ...........  Yes
Salaries & compensation of Registrant’s disinterested Directors ........  No
Salaries & compensation of Registrant’s Officers who aren’t Directors ..  Yes
Reports to current shareholders ........................................  No
Determination of offering and redemption prices ........................  No
Trading department .....................................................  Yes
Prospectus preparation and printing for current shareholders ...........  No
Other ..................................................................  No
 
Miscellaneous Info 
 
55.
Did the Registrant/Series have any of the following outstanding at any
time during the period which exceeded 1% of aggregate net assets:
    Overdrafts?  No
    Bank loans?  Yes
 
56.
During the period, did the Registrant’s/Series’ Investment Adviser(s)
have advisory clients other than investment companies?  Yes
 
57.
Did the Registrant/Series adjust the number of its shares outstanding by
means of a stock split or stock dividend?  No
 
Classification and Asset Allocation 
 
58.
Is the Registrant/Series a Separate Account of an insurance company?  No
 
59.
Is the Registrant/Series a management investment company?  Yes
 
60.
Was the Registrant/Series a diversified investment company at any time
during the period?  No

Was the Registrant/Series a diversified investment company at the end of
the period?  No
 
61.
The lowest minimum initial investment required by the Registrant/Series
from an investor that is not an employee or otherwise affiliated with
the Registrant/Series, its Investment Adviser, Principal Underwriter or
other affiliated entity:  $0
 
62.
Does the Registrant/Series invest primarily in debt securities,
including convertible debt securities, options & futures on debt
securities or indices of debt securities?  No
 
66.
Is the Registrant/Series a Fund that usually invests in equity
securities, options & futures on equity securities, indices of equity
securities or securities convertible into equity securities?  Yes

Which best describes its primary investment objective:

    Aggressive capital appreciation?  No
               Capital appreciation?  No
    Growth?                           No
    Growth and income?                No
               Income?                No
    Total return?                     Yes
 
67.
Is the Registrant/Series a “balanced” Fund?  No
 
68.
Does the Registrant/Series have more than 50% of its net assets at
period end invested in the securities of issuers...
    Engaged primarily in production or distribution of precious metals?  No
    Located primarily in countries other than the United States?  No
 
69.
Is the Registrant/Series an index Fund?  No
 
Investment Practices 
 
70.
Activities that are permitted by the Registrant’s/Series’ investment
policies, and which were engaged in during the period:

Activity                                            Permitted Engaged In
Writing or investing in repurchase agreements?           Yes      No
Writing or investing in options on equities?             Yes to both
Writing or investing in options on debt securities?      Yes      No
Writing or investing in options on stock indices?        Yes      No
Writing or investing in interest rate futures?           Yes      No
Writing or investing in stock index futures?             Yes      No
Writing or investing in options on futures?              Yes      No
Writing or investing in options on stock index futures?  Yes      No
Writing or investing in other commodity futures?         No        –
Investments in restricted securities?                    Yes to both
Investments in shares of other investment companies?     Yes      No
Investments in securities of foreign issuers?            Yes      No
Currency exchange transactions?                          No        –
Loaning portfolio securities?                            Yes      No
Borrowing of money?                                      Yes to both
Purchases/sales by certain exempted affiliated persons?  No        –
Margin purchases?                                        Yes      No
Short selling?                                           Yes      No
 
Portfolio Turnover 
 
71.
Portfolio turnover rate for the period:
 
Purchases ($000s):  856,122
Sales ($000s):      545,213

Monthly average Value of portfolio ($000s):  5,005,473

Percent turnover (lesser of Purchases or Sales, divided by Value):  11%
 
Financial Info — Income and Expenses 
 
72.
The number of months covered by the values in Items 72 and 73:  6

Income  ($000s)
Net interest income ..............................................
 –
Net dividend income ..............................................
 19,044
Account maintenance fees .........................................
 –
Net other income .................................................
 –

Expenses  ($000s)
Advisory fees ....................................................
 33,629
Administrator fees ...............................................
 455
Salaries and other compensation ..................................
 –
Shareholder Servicing Agent fees .................................
 11
Custodian fees ...................................................
 241
Postage ..........................................................
 –
Printing expenses ................................................
 199
Directors’ fees ..................................................
 186
Registration fees ................................................
 58
Taxes ............................................................
 -14,324
Interest .........................................................
 20,171
Bookkeeping fees paid to anyone performing this service ..........
 125
Auditing fees ....................................................
 206
Legal fees .......................................................
 83
Marketing/distribution payments, incl. Rule 12b-1 plan payments ..
 –
Amortization of organization expenses ............................
 –
Shareholder meeting expenses .....................................
 –
Other expenses ...................................................
 12,750
Total expenses ...................................................
 53,790

Expense reimbursements ($000s):   252

Net investment income ($000s):    -34,494

Realized capital gains ($000s):   102,018
Realized capital losses ($000s):  0

Net unrealized appreciation during the period ($000s):  428,090
Net unrealized depreciation during the period ($000s):  0

Total income dividends for which the record date passed during the
period ($000s):  101,276

Total capital gains distributions for which the record date passed
during the period ($000s):  0
 
73.
Distributions per share for which the record date passed during the
period, shown in fractions of a cent, if so declared:

Dividends from net investment income:    $1.1200

Distribution of capital gains:  $0.0000
Other distributions:            $0.0000
 
Financial Info — Condensed Balance Sheet Data 
 
74.
Assets  ($000s)
Cash .............................................................
 5,835
Repurchase agreements ............................................
 –
Short-term debt securities, other than repurchase agreements .....
 –
Long-term debt securities, including convertible debt ............
 –
Preferred, conv. preferred and adjustable-rate preferred stock ...
 29,743
Common stock .....................................................
 5,475,360
Options on equities ..............................................
 –
Options on all futures ...........................................
 –
Other investments ................................................
 –
Receivables from portfolio instruments sold ......................
 36,557
Receivables from affiliated persons ..............................
 –
Other receivables ................................................
 773
All other assets .................................................
 13,160
Total assets .....................................................
 5,561,428

Liabilities  ($000s)
Payables for portfolio instruments purchased .....................
 48,732
Amounts owed to affiliated persons ...............................
 17,664
Senior long-term debt ............................................
 1,000,000
Other liabilities:
  Reverse repurchase agreements ..................................
 –
  Short sales ....................................................
 –
  Written options ................................................
 405
  All other liabilities ..........................................
 1,023,649

Equity  ($000s)
Senior equity ....................................................
 399,000
Net assets of common shareholders ................................
 3,071,978

Number of shares outstanding (000s):   93,338

Net Asset Value (NAV) per share (to nearest cent):  $32.91

Total number of shareholder accounts:  55

Total value of assets in segregated accounts ($000s):  19,082
 
75.
Monthly average net assets during the period ($000s):  2,761,654
 
76.
Market price per share at period end:  $37.21
 
Additional Disclosures 
 
77.
Did the Registrant file any additional Exhibits with the filing of this
Report (listed here and filed either herewith — as one of the ‘EX-99.*’
↑Exhibits in this Filing — or separately and incorporated by reference)?  Yes

EX-99.77I:  Terms of New or Amended Securities?  Yes

EX-99.77Q1: Other Disclosure?  Yes
 
Sales, Repurchases and Redemptions 
 
86.
Sales, repurchases and redemptions of the Registrant’s securities:
 
Common Stock
Sales:
    Number of shares (000s):   4,907
    Net consideration received ($000s):  156,819
Repurchases:
    Number of shares (000s):   0
    Net consideration paid ($000s):      0

Preferred Stock
Sales:
    Number of shares (000s):   5,000
    Net consideration received ($000s):  125,000
Repurchases and redemptions:
    Number of shares (000s):   4,000
    Net consideration paid ($000s):      100,000

Debt Securities
Sales:
    Principal amount ($000s):  110,000
    Net consideration received ($000s):  110,000
Repurchases and redemptions:
    Principal amount ($000s):  0
    Net consideration paid ($000s):      0
 
Securities Outstanding 
 
87.
Securities of the Registrant that are registered on a national
securities exchange or listed on Nasdaq:
 
Title of class:  Kayne Anderson Mlp Investment Company
    CUSIP/CINS:  486606·10·6
        Symbol:  KYN
 
88.
Did the Registrant have any of the following outstanding which exceeded
1% of aggregate net assets at any time during the period:

Notes or bonds?     Yes
Uncovered options?  No
Margin loans?       Yes
Preferred stock?    Yes
 
 Signature 
 
↑Top of Form N-SAR 
     
                                                                               
/s/      Terry A. Hart      
Name:   Terry A. Hart
Title:  CFO