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<PAGE> PAGE 2
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<PAGE> PAGE 5
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<PAGE> PAGE 7
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<PAGE> PAGE 8
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<PAGE> PAGE 11
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<PAGE> PAGE 12
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<PAGE> PAGE 13
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<PAGE> PAGE 14
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<PAGE> PAGE 15
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<PAGE> PAGE 16
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<PAGE> PAGE 17
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<PAGE> PAGE 19
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<PAGE> PAGE 20
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SIGNATURE CHRISTINE GRAY
TITLE ASSISTANT SECRETARY
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
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[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000874775
<NAME> IAI INVESTMENT FUNDS VI, INC.
<SERIES>
<NUMBER> 3
<NAME> Midcap Growth Fund
<S> <C>
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[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000874775
<NAME> IAI INVESTMENT FUNDS IV, INC.
<SERIES>
<NUMBER> 5
<NAME> IAI Balanced Fund
<S> <C>
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[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000874775
<NAME> IAI INVESTMENT FUNDS VI, INC.
<SERIES>
<NUMBER> 7
<NAME> IAI Capital Appreciation Fund
<S> <C>
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<FISCAL-YEAR-END> MAR-31-2000
<PERIOD-START> APR-01-1999
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<NUMBER-OF-SHARES-SOLD> 612,802
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<SHARES-REINVESTED> 91,242
<NET-CHANGE-IN-ASSETS> (30,684,223)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 1,197,861
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<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (233,579)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (238,788)
<AVERAGE-NET-ASSETS> 33,277,548
<PER-SHARE-NAV-BEGIN> 12.94
<PER-SHARE-NII> (0.08)
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<PER-SHARE-NAV-END> 13.43
<EXPENSE-RATIO> 1.4
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
