<PAGE> PAGE 1
000 A000000 06/30/99
000 C000000 0000045507
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000 F000000 Y
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000 J000000 A
001 A000000 VAN KAMPEN HARBOR FUND
001 B000000 811-00734
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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004 000000 N
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006 000000 N
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007 C011000 10
008 A000001 VAN KAMPEN ASSET MANAGEMENT
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
012 A000001 VAN KAMPEN INVESTOR SERVICES INC.
012 B000001 84-01621
012 C010001 KANSAS CITY
012 C020001 MO
012 C030001 64141
013 A000001 PRICEWATERHOUSECOOPERS, LLP
<PAGE> PAGE 2
013 B010001 HOUSTON
013 B020001 TX
013 B030001 77002
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 02105
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 118
019 C000000 VANKAMPENF
020 A000001 CANTOR FITZGERALD & CO INC
020 B000001 13-3121110
020 C000001 15
020 A000002 GOLDMAN SACHS
020 B000002 13-5108880
020 C000002 14
020 A000003 SALOMON SMITH BARNEY INC
020 B000003 11-2418191
020 C000003 11
020 A000004 PRUDENTIAL SECURITIES
020 B000004 22-2347336
020 C000004 10
020 A000005 LEHMAN BROTHERS
020 B000005 13-2518466
020 C000005 9
020 A000006 BEAR STEARNS
020 B000006 13-3299429
020 C000006 5
020 A000007 BERNSTEIN SANFORD C & CO
020 B000007 13-2625874
020 C000007 4
020 A000008 MERRILL LYNCH
020 B000008 13-5674085
020 C000008 4
020 A000009 FORUM CAPITAL
020 B000009 06-1351111
020 C000009 4
020 A000010 BT ALEX BROWN
020 B000010 13-3311934
020 C000010 4
021 000000 95
022 A000001 BA SECURITIES
022 B000001 95-4035346
022 C000001 1029080
<PAGE> PAGE 3
022 D000001 0
022 A000002 GENERAL ELECTRIC CAP CORP
022 B000002 06-1076552
022 C000002 1004695
022 D000002 0
022 A000003 DONALDSON LUFKIN JENNRETTE
022 B000003 13-2741729
022 C000003 424502
022 D000003 12713
022 A000004 STATE STREET BANK & TRUST
022 B000004 04-1867445
022 C000004 105917
022 D000004 0
022 A000005 GOLDMAN SACHS
022 B000005 13-5108880
022 C000005 67468
022 D000005 26170
022 A000006 WARBURG DILLON REED
022 B000006 13-1339216
022 C000006 61581
022 D000006 0
022 A000007 FIRST BOSTON
022 B000007 13-5659485
022 C000007 26504
022 D000007 17504
022 A000008 ROBERTSON STEPHENS
022 B000008 94-2524501
022 C000008 20376
022 D000008 14169
022 A000009 SALOMON SMITH BARNEY
022 B000009 11-2418191
022 C000009 16255
022 D000009 16841
022 A000010 MERRILL LYNCH
022 B000010 13-5674085
022 C000010 19600
022 D000010 11727
023 C000000 2869967
023 D000000 201097
024 000000 Y
025 A000001 BA SECURITIES
025 B000001 94-4035346
025 C000001 D
025 D000001 10745
025 A000002 DELETE
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
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<PAGE> PAGE 4
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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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SIGNATURE WESTON B. WETHERELL
TITLE ATTORNEY
<TABLE>
<CAPTION>
NSAR ITEM 77O
VK Harbor Fund
10f-3 Transactions
Underwriting # Underwriting Purchased From Amount of shares % of Date of
Purchased Underwriting Purchase
<S> <C> <C> <C> <C> <C>
1 Amazon.com CS First Boston 2,553,000 0.204% 01/29/99
DLJ
2 LSI Logic JP Morgan 1,700,000 0.567% 03/16/99
Robertson Stephens
3 Ziff-Davis Inc.-ZD Net Goldman Sachs 36,200 0.362% 03/30/99
DLJ
Hambrecht & Quist
</TABLE>
<PAGE>
Other Firms participating in Underwriting:
Underwriting for #1
Morgan Stanley Dean Witter
Credit Suisse First Boston
Donaldson, Lufkin & Jenrette
Underwriting for #2
Morgan Stanley & Co. Incorporated
BancBoston Robertson Stephens
JP Morgan & Co.
Underwriting for #3
Goldman, Sachs & Co.
Donaldson, Lufkin & Jenrette Securities Corp
Hambrecht & Quist
ABN AMRO Inc
CIBC Oppenheimer Corp
LaSalle St. Securities, Inc
Lazard Freres & Co
Merrill Lynch, Pierce, Fenner & Smith Inc.
Morgan Stanley & Co.
Wit Capital Corp.
<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> HARBOR CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 394,912,164 <F1>
<INVESTMENTS-AT-VALUE> 458,465,726 <F1>
<RECEIVABLES> 20,604,397 <F1>
<ASSETS-OTHER> 0 <F1>
<OTHER-ITEMS-ASSETS> 73,680 <F1>
<TOTAL-ASSETS> 479,143,803 <F1>
<PAYABLE-FOR-SECURITIES> 4,001,193 <F1>
<SENIOR-LONG-TERM-DEBT> 0 <F1>
<OTHER-ITEMS-LIABILITIES> 1,911,737 <F1>
<TOTAL-LIABILITIES> 5,912,930 <F1>
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 326,596,202
<SHARES-COMMON-STOCK> 25,197,142
<SHARES-COMMON-PRIOR> 25,306,879
<ACCUMULATED-NII-CURRENT> 967,048 <F1>
<OVERDISTRIBUTION-NII> 0 <F1>
<ACCUMULATED-NET-GAINS> 25,930,343 <F1>
<OVERDISTRIBUTION-GAINS> 0 <F1>
<ACCUM-APPREC-OR-DEPREC> 63,553,562 <F1>
<NET-ASSETS> 411,850,699
<DIVIDEND-INCOME> 4,286,578 <F1>
<INTEREST-INCOME> 5,136,249 <F1>
<OTHER-INCOME> 0 <F1>
<EXPENSES-NET> (2,565,730)<F1>
<NET-INVESTMENT-INCOME> 6,857,097 <F1>
<REALIZED-GAINS-CURRENT> 27,470,012 <F1>
<APPREC-INCREASE-CURRENT> 22,857,987 <F1>
<NET-CHANGE-FROM-OPS> 57,185,096 <F1>
<EQUALIZATION> 0 <F1>
<DISTRIBUTIONS-OF-INCOME> (6,413,439)
<DISTRIBUTIONS-OF-GAINS> (4,611,188)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 14,008,764
<NUMBER-OF-SHARES-REDEEMED> (14,686,368)
<SHARES-REINVESTED> 567,867
<NET-CHANGE-IN-ASSETS> 36,419,910
<ACCUMULATED-NII-PRIOR> 1,353,997 <F1>
<ACCUMULATED-GAINS-PRIOR> 3,902,103 <F1>
<OVERDISTRIB-NII-PRIOR> 0 <F1>
<OVERDIST-NET-GAINS-PRIOR> 0 <F1>
<GROSS-ADVISORY-FEES> 1,211,831 <F1>
<INTEREST-EXPENSE> 0 <F1>
<GROSS-EXPENSE> 2,606,319 <F1>
<AVERAGE-NET-ASSETS> 386,607,024
<PER-SHARE-NAV-BEGIN> 14.835
<PER-SHARE-NII> 0.246
<PER-SHARE-GAIN-APPREC> 1.712
<PER-SHARE-DIVIDEND> (0.260)
<PER-SHARE-DISTRIBUTIONS> (0.188)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 16.345
<EXPENSE-RATIO> 1.04
</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> HARBOR CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 394,912,164 <F1>
<INVESTMENTS-AT-VALUE> 458,465,726 <F1>
<RECEIVABLES> 20,604,397 <F1>
<ASSETS-OTHER> 0 <F1>
<OTHER-ITEMS-ASSETS> 73,680 <F1>
<TOTAL-ASSETS> 479,143,803 <F1>
<PAYABLE-FOR-SECURITIES> 4,001,193 <F1>
<SENIOR-LONG-TERM-DEBT> 0 <F1>
<OTHER-ITEMS-LIABILITIES> 1,911,737 <F1>
<TOTAL-LIABILITIES> 5,912,930 <F1>
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 50,347,415
<SHARES-COMMON-STOCK> 3,392,240
<SHARES-COMMON-PRIOR> 4,519,577
<ACCUMULATED-NII-CURRENT> 967,048 <F1>
<OVERDISTRIBUTION-NII> 0 <F1>
<ACCUMULATED-NET-GAINS> 25,930,343 <F1>
<OVERDISTRIBUTION-GAINS> 0 <F1>
<ACCUM-APPREC-OR-DEPREC> 63,553,562 <F1>
<NET-ASSETS> 55,141,534
<DIVIDEND-INCOME> 4,286,578 <F1>
<INTEREST-INCOME> 5,136,249 <F1>
<OTHER-INCOME> 0 <F1>
<EXPENSES-NET> (2,565,730)<F1>
<NET-INVESTMENT-INCOME> 6,857,097 <F1>
<REALIZED-GAINS-CURRENT> 27,470,012 <F1>
<APPREC-INCREASE-CURRENT> 22,857,987 <F1>
<NET-CHANGE-FROM-OPS> 57,185,096 <F1>
<EQUALIZATION> 0 <F1>
<DISTRIBUTIONS-OF-INCOME> (753,728)
<DISTRIBUTIONS-OF-GAINS> (758,573)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 317,673
<NUMBER-OF-SHARES-REDEEMED> (1,529,280)
<SHARES-REINVESTED> 84,270
<NET-CHANGE-IN-ASSETS> (11,545,863)
<ACCUMULATED-NII-PRIOR> 1,353,997 <F1>
<ACCUMULATED-GAINS-PRIOR> 3,902,103 <F1>
<OVERDISTRIB-NII-PRIOR> 0 <F1>
<OVERDIST-NET-GAINS-PRIOR> 0 <F1>
<GROSS-ADVISORY-FEES> 1,211,831 <F1>
<INTEREST-EXPENSE> 0 <F1>
<GROSS-EXPENSE> 2,606,319 <F1>
<AVERAGE-NET-ASSETS> 61,173,825
<PER-SHARE-NAV-BEGIN> 14.755
<PER-SHARE-NII> 0.182
<PER-SHARE-GAIN-APPREC> 1.706
<PER-SHARE-DIVIDEND> (0.200)
<PER-SHARE-DISTRIBUTIONS> (0.188)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 16.255
<EXPENSE-RATIO> 1.82
</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> HARBOR CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 394,912,164 <F1>
<INVESTMENTS-AT-VALUE> 458,465,726 <F1>
<RECEIVABLES> 20,604,397 <F1>
<ASSETS-OTHER> 0 <F1>
<OTHER-ITEMS-ASSETS> 73,680 <F1>
<TOTAL-ASSETS> 479,143,803 <F1>
<PAYABLE-FOR-SECURITIES> 4,001,193 <F1>
<SENIOR-LONG-TERM-DEBT> 0 <F1>
<OTHER-ITEMS-LIABILITIES> 1,911,737 <F1>
<TOTAL-LIABILITIES> 5,912,930 <F1>
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 5,836,303
<SHARES-COMMON-STOCK> 381,089
<SHARES-COMMON-PRIOR> 397,327
<ACCUMULATED-NII-CURRENT> 967,048 <F1>
<OVERDISTRIBUTION-NII> 0 <F1>
<ACCUMULATED-NET-GAINS> 25,930,343 <F1>
<OVERDISTRIBUTION-GAINS> 0 <F1>
<ACCUM-APPREC-OR-DEPREC> 63,553,562 <F1>
<NET-ASSETS> 6,238,640
<DIVIDEND-INCOME> 4,286,578 <F1>
<INTEREST-INCOME> 5,136,249 <F1>
<OTHER-INCOME> 0 <F1>
<EXPENSES-NET> (2,565,730)<F1>
<NET-INVESTMENT-INCOME> 6,857,097 <F1>
<REALIZED-GAINS-CURRENT> 27,470,012 <F1>
<APPREC-INCREASE-CURRENT> 22,857,987 <F1>
<NET-CHANGE-FROM-OPS> 57,185,096 <F1>
<EQUALIZATION> 0 <F1>
<DISTRIBUTIONS-OF-INCOME> (76,879)
<DISTRIBUTIONS-OF-GAINS> (72,011)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 43,825
<NUMBER-OF-SHARES-REDEEMED> (68,171)
<SHARES-REINVESTED> 8,108
<NET-CHANGE-IN-ASSETS> 336,327
<ACCUMULATED-NII-PRIOR> 1,353,997 <F1>
<ACCUMULATED-GAINS-PRIOR> 3,902,103 <F1>
<OVERDISTRIB-NII-PRIOR> 0 <F1>
<OVERDIST-NET-GAINS-PRIOR> 0 <F1>
<GROSS-ADVISORY-FEES> 1,211,831 <F1>
<INTEREST-EXPENSE> 0 <F1>
<GROSS-EXPENSE> 2,606,319 <F1>
<AVERAGE-NET-ASSETS> 6,006,859
<PER-SHARE-NAV-BEGIN> 14.855
<PER-SHARE-NII> 0.183
<PER-SHARE-GAIN-APPREC> 1.721
<PER-SHARE-DIVIDEND> (0.200)
<PER-SHARE-DISTRIBUTIONS> (0.188)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 16.371
<EXPENSE-RATIO> 1.82
</TABLE>
