WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000025175
<NAME> IAA
<SERIES>
<NUMBER>
<NAME> IAA GROWTH FUND
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-START> JUL-01-1999
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 134,778,381
<INVESTMENTS-AT-VALUE> 194,097,674
<RECEIVABLES> 835,294
<ASSETS-OTHER> 17,133
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 194,950,101
<PAYABLE-FOR-SECURITIES> 270,466
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 175,126
<TOTAL-LIABILITIES> 445,592
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 111,275,109
<SHARES-COMMON-STOCK> 7,097,130
<SHARES-COMMON-PRIOR> 6,684,880
<ACCUMULATED-NII-CURRENT> 26,792
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 23,883,315
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 59,319,293
<NET-ASSETS> 194,504,509
<DIVIDEND-INCOME> 2,283,775
<INTEREST-INCOME> 587,702
<OTHER-INCOME> 0
<EXPENSES-NET> 2,063,650
<NET-INVESTMENT-INCOME> 807,827
<REALIZED-GAINS-CURRENT> 28,803,103
<APPREC-INCREASE-CURRENT> (11,385,986)
<NET-CHANGE-FROM-OPS> 18,224,944
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1,067,761)
<DISTRIBUTIONS-OF-GAINS> (15,233,892)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 596,058
<NUMBER-OF-SHARES-REDEEMED> (781,447)
<SHARES-REINVESTED> 597,638
<NET-CHANGE-IN-ASSETS> 12,434,246
<ACCUMULATED-NII-PRIOR> 470,281
<ACCUMULATED-GAINS-PRIOR> 10,130,549
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,378,720
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,118,662
<AVERAGE-NET-ASSETS> 183,143,974
<PER-SHARE-NAV-BEGIN> 27.24
<PER-SHARE-NII> 0.12
<PER-SHARE-GAIN-APPREC> 2.46
<PER-SHARE-DIVIDEND> (0.16)
<PER-SHARE-DISTRIBUTIONS> (2.25)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 27.41
<EXPENSE-RATIO> 1.13
</TABLE>
