<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>403
<NAME>NATIONS SMALLCAP INDEX INVESTOR A
<S> <C>
<MULTIPLIER>1000
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> Mar-31-2001
<PERIOD-END> Sep-30-2000
<INVESTMENTS-AT-COST> 213,985
<INVESTMENTS-AT-VALUE> 243,394
<RECEIVABLES> 1,425
<ASSETS-OTHER> 26
<OTHER-ITEMS-ASSETS> 2
<TOTAL-ASSETS> 244,847
<PAYABLE-FOR-SECURITIES> (1,906)
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> (14,935)
<TOTAL-LIABILITIES> (16,841)
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 205,450
<SHARES-COMMON-STOCK> 483
<SHARES-COMMON-PRIOR> 563
<ACCUMULATED-NII-CURRENT> 30
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (6,871)
<ACCUM-APPREC-OR-DEPREC> 29,397
<NET-ASSETS> 228,006
<DIVIDEND-INCOME> 660
<INTEREST-INCOME> 383
<OTHER-INCOME> 25
<EXPENSES-NET> 442
<NET-INVESTMENT-INCOME> 626
<REALIZED-GAINS-CURRENT> 11,247
<APPREC-INCREASE-CURRENT> (2,962)
<NET-CHANGE-FROM-OPS> 8,911
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (7)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,006
<NUMBER-OF-SHARES-REDEEMED> (3,150)
<SHARES-REINVESTED> 7
<NET-CHANGE-IN-ASSETS> 23,803
<ACCUMULATED-NII-PRIOR> 24
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (18,118)
<GROSS-ADVISORY-FEES> 410
<INTEREST-EXPENSE> 1
<GROSS-EXPENSE> 803
<AVERAGE-NET-ASSETS> 7,403
<PER-SHARE-NAV-BEGIN> 13.52
<PER-SHARE-NII> 0.02
<PER-SHARE-GAIN-APPREC> 0.57
<PER-SHARE-DIVIDEND> (0.02)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 14.09
<EXPENSE-RATIO> 0.67
</TABLE>
