<PAGE> PAGE 1
000 B000000 12/31/1999
000 C000000 0000033032
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 VAN KAMPEN ENTERPRISE FUND
001 B000000 811-00630
001 C000000 6306846000
002 A000000 1 PARKVIEW PLAZA
002 B000000 OAKBROOK TERRACE
002 C000000 IL
002 D010000 60181
002 D020000 5555
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007 C010900 9
007 C011000 10
008 A000001 VAN KAMPEN ASSET MANAGEMENT INC.
008 B000001 A
008 C000001 801-8286
008 D010001 OAKBROOK TERRACE
008 D020001 IL
008 D030001 60181
008 D040001 5555
011 A000001 VAN KAMPEN FUNDS INC.
011 B000001 8-19903
011 C010001 OAKBROOK TERRACE
011 C020001 IL
011 C030001 60181
011 C040001 5555
012 A000001 VAN KAMPEN INVESTOR SERVICES INC.
012 B000001 84-01621
012 C010001 KANSAS CITY
012 C020001 MO
012 C030001 64141
<PAGE> PAGE 2
013 A000001 PRICEWATERHOUSECOOPERS LLP
013 B010001 CHICAGO
013 B020001 IL
013 B030001 60601
014 A000001 MORGAN STANLEY & CO., INCORPORATED
014 B000001 8-00733537
014 A000002 DEAN WITTER REYNOLDS, INC.
014 B000002 8-00728181
015 A000001 STATE STREET BANK & TRUST CO.
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02110
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 118
019 C000000 VANKAMPENF
020 A000001 MERRILL LYNCH
020 B000001 13-5674085
020 C000001 974
020 A000002 DONALDSON LUFKIN JENNRETTE
020 B000002 13-2741729
020 C000002 906
020 A000003 GOLDMAN SACHS
020 B000003 13-5108880
020 C000003 778
020 A000004 SALOMON SMITH BARNEY
020 B000004 11-2418191
020 C000004 646
020 A000005 FIRST BOSTON
020 B000005 13-5659485
020 C000005 479
020 A000006 LEHMAN BROTHERS
020 B000006 13-2518466
020 C000006 379
020 A000007 SBC WARBURG DILLON REED
020 B000007 13-1339216
020 C000007 329
020 A000008 JP MORGAN
020 B000008 13-3224016
020 C000008 288
020 A000009 MONTGOMERY SECURITIES
020 B000009 94-1701676
020 C000009 271
020 A000010 PAINEWEBBER INC
020 B000010 13-2638166
020 C000010 246
021 000000 7090
022 A000001 GENERAL ELECTRIC CAP CORP
022 B000001 06-1076552
<PAGE> PAGE 3
022 C000001 8372100
022 D000001 0
022 A000002 WARBURG DILLON READ
022 B000002 13-1339216
022 C000002 4181643
022 D000002 0
022 A000003 PRUDENTIAL FUNDING SECURITIES
022 B000003 22-2347336
022 C000003 2186298
022 D000003 0
022 A000004 DONALDSON LUFKIN JENNRETTE
022 B000004 13-2741729
022 C000004 2105559
022 D000004 9268
022 A000005 STATE STREET BANK & TRUST
022 B000005 04-1867445
022 C000005 1688624
022 D000005 0
022 A000006 GOLDMAN SACHS
022 B000006 13-5108880
022 C000006 748667
022 D000006 240936
022 A000007 FUJI SECURITIES
022 B000007 36-2880742
022 C000007 723373
022 D000007 146522
022 A000008 BA SECURITIES
022 B000008 95-4035346
022 C000008 747899
022 D000008 0
022 A000009 PAINE WEBBER
022 B000009 13-2638166
022 C000009 230430
022 D000009 157709
022 A000010 LEHMAN BROTHERS
022 B000010 13-2518466
022 C000010 162812
022 D000010 133222
023 C000000 21818871
023 D000000 1001755
024 000000 Y
025 A000001 SBC WARBURG DILLON READ
025 B000001 13-1339216
025 C000001 D
025 D000001 17912
025 A000002 DLJ MORTGAGE ACCEPTANCE
025 B000002 13-2741729
025 C000002 D
025 D000002 94648
025 A000003 BANK OF AMERICA
025 B000003 95-4035346
<PAGE> PAGE 4
025 C000003 E
025 D000003 1757
025 D000004 0
025 D000005 0
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<PAGE> PAGE 5
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<PAGE> PAGE 6
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<PAGE> PAGE 7
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<PAGE> PAGE 8
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<PAGE> PAGE 9
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<PAGE> PAGE 10
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SIGNATURE SARA L. BADLER
TITLE ATTORNEY
Report of Independent Accountants
To the Shareholders and Board of Trustees of the Van Kampen Enterprise Fund:
In planning and performing our audit of the financial statements of Van Kampen
Enterprise Fund (the "Fund") for the year ended December 31, 1999, we considered
its internal control, including control activities for safeguarding securities,
in order to determine our auditing procedures for the purpose of expressing our
opinion on the financial statements and to comply with the requirements of Form
N-SAR, not to provide assurance on internal control.
The management of the Fund is responsible for establishing and maintaining
internal control. In fulfilling this responsibility, estimates and judgments by
management are required to assess the expected benefits and related costs of
controls. Generally, controls that are relevant to an audit pertain to the
entity's objective of preparing financial statements for external purposes that
are fairly presented in conformity with generally accepted accounting
principles. Those controls include the safeguarding of assets against
unauthorized acquisition, use or disposition.
Because of inherent limitations in internal control, errors or fraud may occur
and not be detected. Also, projection of any evaluation of internal control to
future periods is subject to the risk that controls may become inadequate
because of changes in conditions or that the effectiveness of their design and
operation may deteriorate.
Our consideration of internal control would not necessarily disclose all matters
in internal control that might be material weaknesses under standards
established by the American Institute of Certified Public Accountants. A
material weakness is a condition in which the design or operation of one or more
of the internal control components does not reduce to a relatively low level the
risk that misstatements caused by error or fraud in amounts that would be
material in relation to the financial statements being audited may occur and not
be detected within a timely period by employees in the normal course of
performing their assigned functions. However, we noted no matters involving
internal control and its operation, including controls for safeguarding
securities, that we consider to be material weaknesses as defined above as of
December 31, 1999.
This report is intended solely for the information and use of management and the
Board of Trustees of the Fund and the Securities and Exchange Commission and is
not intended to be and should not be used by anyone other than these specified
parties.
Chicago, Illinois
February 11, 2000
ENTERPRISE FUND
A Joint Special Meeting of the Shareholders of the Portfolio was held on
December 15, 1999 where shareholders voted on the election of Trustees and the
ratification of PricewaterhouseCooper, as the independent public accountants.
With regard to the election of J. Miles Branagan, as elected trustee by the
shareholders of the Portfolio, 77,758,782 shares were voted in the affirmative
and 1,596,497 shares were withheld. With regard to the election of Jerry D.
Choate, as elected trustee by the shareholders of the Portfolio, 77,729,307
voted in the affirmative and 1,625,972 shares were withheld. With regard to the
election of Linda Hutton Heagy, as elected trustee by the shareholders of the
Portfolio, 77,750,462 shares were voted in the affirmative and 1,604,817 shares
were withheld. With regard to the election of R. Craig Kennedy, as elected
trustee by the shareholders of the Portfolio, 77,762,081 shares were voted in
the affirmative and 1,593,198 shares were withheld. With regard to the election
of Mitchell M. Merin, as elected trustee by the shareholders of the Portfolio,
77,750,551 shares were voted in the affirmative and 1,604,727 shares were
withheld. With regard to the election of Jack E. Nelson, as elected trustee by
the shareholders of the Portfolio, 77,754,152 shares were voted in the
affirmative and 1,601,126 shares were withheld. With regard to the election of
Richard F. Powers, III, as elected trustee by the shareholders of the Portfolio,
77,765,548 shares were voted in the affirmative and 1,589,730 shares were
withheld. With regard to the election of Phillip B. Rooney, as elected trustee
by the shareholders of the Portfolio, 77,772,655 shares were voted in the
affirmative and 1,582,623 shares were withheld. With regard to the election of
Fernando Sisto, as elected trustee by the shareholders of the Portfolio,
77,631,323 shares were voted in the affirmative and 1,723,956 shares were
withheld. With regard to the election of Wayne W. Whalen, as elected trustee by
the shareholders of the Portfolio, 77,778,467 shares were voted in the
affirmative and 1,576,812 shares were withheld. With regard to the election of
Suzanne H. Woolsey, as elected trustee by the shareholders of the Portfolio,
77,732,892 shares were voted in the affirmative and 1,622,387 shares were
withheld. With regard to the election of Paul G. Yovovich, as elected trustee by
the shareholders of the Portfolio 77,752,834 shares were voted in the
affirmative and 1,602,445 shares were withheld. With regard to the ratification
of PricewaterhouseCooper to act as independent public accountants for the
Portfolio, 77,077,341 shares were voted in the affirmative and 483,763 shares
were voted against the proposal and 1,794,174 shares abstained from voting.
NSAR ITEM 77O
VK ENTERPRISE
10f-3 Transactions
<TABLE>
<CAPTION>
UNDERWRITING # UNDERWRITING PURCHASED FROM AMOUNT OF SHARES % OF UNDERWRITING DATE OF PURCHASE
PURCHASED
<S> <C> <C> <C> <C> <C>
1 Keebler Foods Company Merrill Lynch 15,800 0.098% 01/20/99
2 Entercom Communications Corp. Goldman Sachs 4,700 0.034% 01/28/99
3 Level 3 Communications Inc. J.P. Morgan 2,500 0.010% 03/03/99
4 Republic Services Deutsche Bank Sec. 28,600 0.029% 04/29/99
5 Goldman Sachs Group, Inc. Goldman Sachs 4,500 0.015% 05/03/99
6 The Seagram Company Merrill Lynch 13,700 0.037% 06/15/99
7 Devon Energy Corp. Dain Rauscher 2,700 0.027% 09/21/99
8 Charter Communications, Inc. Goldman Sachs 12,300 0.007% 11/08/99
9 United Parcel Service, Inc. Merrill Lynch 3,500 0.003% 11/09/99
</TABLE>
Other Principal Underwriters for #1
- -----------------------------------
Credit Suisse First Boston
Merrill Lynch & Co.
Donaldson, Lufkin & Jenrette
Warburg Dillon Read LLC
Lehman Brothers
Other Principal Underwriters for #2
- -----------------------------------
Salomon Smith Barney Inc.
Goldman, Sachs & Co.
Credit Suisse First Boston Corporation
Merrill Lynch, Pierce, Fenner & Smith Incorporated
J.P. Morgan Securities Inc.
Morgan Stanley & Co. Incorporated
BancBoston Robertson Stephens Inc.
Bear, Stearns & Co. Inc.
Donaldson, Lufkin & Jenrette Securities Corporation
Hambrecht & Quist LLC
Lazard Freres & Co. LLC
NationsBanc Montgomery Securities LLC.
Warburg Dillon Read LLC
Dain Rauscher Wessels,
Kirkpatrick Pettis, Smith, Polian Inc.
The Robinson-Humphrey Company
Other Principal Underwriters for #4
- -----------------------------------
Merrill Lynch, Pierce, Fenner & Smith Incorporated
Donaldson, Lufkin & Jenrette Securities Corporation
Deutsche Bank Securities Inc.
Bear, Stearns & Co. Inc.
CIBC Oppenheimer Corp
Credit Suisse First Boston Corporation
Morgan Stanley & Co. Incorporated
Salomon Smith Barney Inc.
Other Principal Underwriters for #5
- -----------------------------------
Goldman, Sachs & Co.
Bear,Stearns & Co. Inc.
Credit Suisse First Boston Corporation
Donaldson, Lufkin & Jenrette Securities Corporation
Lehman Brothers Inc.
Merrill Lynch, Pierce, Fenner & Smith Incorporated
J.P. Morgan Securities Inc.
Morgan Stanley & Co. Incorporated
PaineWebber Incorporated
Prudential Securities Incorporated
Salomon Smith Barney Inc.
Sansford C. Bernstein & Co., Inc.
Schroder & Co. Inc.
Other Principal Underwriters for #9
- -----------------------------------
Morgan Stanley & Co. Incorporated
Goldman Sachs & Co.
Merrill Lynch Pierce Fenner & Smith Incorporated
Credit Suisse First Boston Corporation
Salomon Smith Barney Inc.
Warburg Dillon Read LLC
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
<F1> This item relates to the Fund on a composite
basis and not on a class basis
</LEGEND>
<SERIES>
<NUMBER> 11
<NAME> ENTERPRISE CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 2,341,692,283 <F1>
<INVESTMENTS-AT-VALUE> 3,694,342,993 <F1>
<RECEIVABLES> 51,457,448 <F1>
<ASSETS-OTHER> 0 <F1>
<OTHER-ITEMS-ASSETS> 37,514,679 <F1>
<TOTAL-ASSETS> 3,783,315,120 <F1>
<PAYABLE-FOR-SECURITIES> 9,733,399 <F1>
<SENIOR-LONG-TERM-DEBT> 0 <F1>
<OTHER-ITEMS-LIABILITIES> 43,764,211 <F1>
<TOTAL-LIABILITIES> 53,497,610 <F1>
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1,458,109,182
<SHARES-COMMON-STOCK> 113,772,002
<SHARES-COMMON-PRIOR> 103,600,863
<ACCUMULATED-NII-CURRENT> (243,309)<F1>
<OVERDISTRIBUTION-NII> 0 <F1>
<ACCUMULATED-NET-GAINS> 70,964,751 <F1>
<OVERDISTRIBUTION-GAINS> 0 <F1>
<ACCUM-APPREC-OR-DEPREC> 1,364,234,284 <F1>
<NET-ASSETS> 2,591,140,580
<DIVIDEND-INCOME> 17,222,388 <F1>
<INTEREST-INCOME> 7,361,253 <F1>
<OTHER-INCOME> 0 <F1>
<EXPENSES-NET> (36,361,728)<F1>
<NET-INVESTMENT-INCOME> (11,778,087)<F1>
<REALIZED-GAINS-CURRENT> 482,437,010 <F1>
<APPREC-INCREASE-CURRENT> 305,352,356 <F1>
<NET-CHANGE-FROM-OPS> 776,011,279 <F1>
<EQUALIZATION> 0 <F1>
<DISTRIBUTIONS-OF-INCOME> (372,113)
<DISTRIBUTIONS-OF-GAINS> (304,078,413)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 204,104,518
<NUMBER-OF-SHARES-REDEEMED> (206,756,637)
<SHARES-REINVESTED> 12,823,258
<NET-CHANGE-IN-ASSETS> 31,875,239
<ACCUMULATED-NII-PRIOR> 39,771 <F1>
<ACCUMULATED-GAINS-PRIOR> 43,505,364 <F1>
<OVERDISTRIB-NII-PRIOR> 0 <F1>
<OVERDIST-NET-GAINS-PRIOR> 0 <F1>
<GROSS-ADVISORY-FEES> 14,030,139 <F1>
<INTEREST-EXPENSE> 0 <F1>
<GROSS-EXPENSE> 36,407,926 <F1>
<AVERAGE-NET-ASSETS> 2,202,129,692
<PER-SHARE-NAV-BEGIN> 20.631
<PER-SHARE-NII> (0.030)
<PER-SHARE-GAIN-APPREC> 5.207
<PER-SHARE-DIVIDEND> (0.004)
<PER-SHARE-DISTRIBUTIONS> (3.030)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 22.774
<EXPENSE-RATIO> 0.91
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
<F1> This item relates to the Fund on a composite
basis and not on a class basis
</LEGEND>
<SERIES>
<NUMBER> 12
<NAME> ENTERPRISE CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 2,341,692,283 <F1>
<INVESTMENTS-AT-VALUE> 3,694,342,993 <F1>
<RECEIVABLES> 51,457,448 <F1>
<ASSETS-OTHER> 0 <F1>
<OTHER-ITEMS-ASSETS> 37,514,679 <F1>
<TOTAL-ASSETS> 3,783,315,120 <F1>
<PAYABLE-FOR-SECURITIES> 9,733,399 <F1>
<SENIOR-LONG-TERM-DEBT> 0 <F1>
<OTHER-ITEMS-LIABILITIES> 43,764,211 <F1>
<TOTAL-LIABILITIES> 53,497,610 <F1>
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 747,435,502
<SHARES-COMMON-STOCK> 46,643,784
<SHARES-COMMON-PRIOR> 40,662,436
<ACCUMULATED-NII-CURRENT> (243,309)<F1>
<OVERDISTRIBUTION-NII> 0 <F1>
<ACCUMULATED-NET-GAINS> 70,964,751 <F1>
<OVERDISTRIBUTION-GAINS> 0 <F1>
<ACCUM-APPREC-OR-DEPREC> 1,364,234,284 <F1>
<NET-ASSETS> 1,020,771,324
<DIVIDEND-INCOME> 17,222,388 <F1>
<INTEREST-INCOME> 7,361,253 <F1>
<OTHER-INCOME> 0 <F1>
<EXPENSES-NET> (36,361,728)<F1>
<NET-INVESTMENT-INCOME> (11,778,087)<F1>
<REALIZED-GAINS-CURRENT> 482,437,010 <F1>
<APPREC-INCREASE-CURRENT> 305,352,356 <F1>
<NET-CHANGE-FROM-OPS> 776,011,279 <F1>
<EQUALIZATION> 0 <F1>
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (125,087,732)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 45,071,295
<NUMBER-OF-SHARES-REDEEMED> (44,921,263)
<SHARES-REINVESTED> 5,831,316
<NET-CHANGE-IN-ASSETS> 204,471,888
<ACCUMULATED-NII-PRIOR> 39,771 <F1>
<ACCUMULATED-GAINS-PRIOR> 43,505,364 <F1>
<OVERDISTRIB-NII-PRIOR> 0 <F1>
<OVERDIST-NET-GAINS-PRIOR> 0 <F1>
<GROSS-ADVISORY-FEES> 14,030,139 <F1>
<INTEREST-EXPENSE> 0 <F1>
<GROSS-EXPENSE> 36,407,926 <F1>
<AVERAGE-NET-ASSETS> 880,027,271
<PER-SHARE-NAV-BEGIN> 20.075
<PER-SHARE-NII> (0.154)
<PER-SHARE-GAIN-APPREC> 4.993
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> (3.030)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 21.884
<EXPENSE-RATIO> 1.67
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
<F1> This item relates to the Fund on a composite
basis and not on a class basis
</LEGEND>
<SERIES>
<NUMBER> 13
<NAME> ENTERPRISE CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 2,341,692,283 <F1>
<INVESTMENTS-AT-VALUE> 3,694,342,993 <F1>
<RECEIVABLES> 51,457,448 <F1>
<ASSETS-OTHER> 0 <F1>
<OTHER-ITEMS-ASSETS> 37,514,679 <F1>
<TOTAL-ASSETS> 3,783,315,120 <F1>
<PAYABLE-FOR-SECURITIES> 9,733,399 <F1>
<SENIOR-LONG-TERM-DEBT> 0 <F1>
<OTHER-ITEMS-LIABILITIES> 43,764,211 <F1>
<TOTAL-LIABILITIES> 53,497,610 <F1>
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 89,317,100
<SHARES-COMMON-STOCK> 5,336,741
<SHARES-COMMON-PRIOR> 4,250,624
<ACCUMULATED-NII-CURRENT> (243,309)<F1>
<OVERDISTRIBUTION-NII> 0 <F1>
<ACCUMULATED-NET-GAINS> 70,964,751 <F1>
<OVERDISTRIBUTION-GAINS> 0 <F1>
<ACCUM-APPREC-OR-DEPREC> 1,364,234,284 <F1>
<NET-ASSETS> 117,905,606
<DIVIDEND-INCOME> 17,222,388 <F1>
<INTEREST-INCOME> 7,361,253 <F1>
<OTHER-INCOME> 0 <F1>
<EXPENSES-NET> (36,361,728)<F1>
<NET-INVESTMENT-INCOME> (11,778,087)<F1>
<REALIZED-GAINS-CURRENT> 482,437,010 <F1>
<APPREC-INCREASE-CURRENT> 305,352,356 <F1>
<NET-CHANGE-FROM-OPS> 776,011,279 <F1>
<EQUALIZATION> 0 <F1>
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (14,098,124)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 5,836,735
<NUMBER-OF-SHARES-REDEEMED> (5,378,863)
<SHARES-REINVESTED> 628,245
<NET-CHANGE-IN-ASSETS> 453,699,991
<ACCUMULATED-NII-PRIOR> 39,771 <F1>
<ACCUMULATED-GAINS-PRIOR> 43,505,364 <F1>
<OVERDISTRIB-NII-PRIOR> 0 <F1>
<OVERDIST-NET-GAINS-PRIOR> 0 <F1>
<GROSS-ADVISORY-FEES> 14,030,139 <F1>
<INTEREST-EXPENSE> 0 <F1>
<GROSS-EXPENSE> 36,407,926 <F1>
<AVERAGE-NET-ASSETS> 96,821,218
<PER-SHARE-NAV-BEGIN> 20.239
<PER-SHARE-NII> (0.136)
<PER-SHARE-GAIN-APPREC> 5.020
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> (3.030)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 22.093
<EXPENSE-RATIO> 1.68
</TABLE>
