<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>373
<NAME>NATIONS LARGECAP 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> 2,096,980
<INVESTMENTS-AT-VALUE> 2,663,800
<RECEIVABLES> 3,691
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 2,667,491
<PAYABLE-FOR-SECURITIES> (1,491)
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> (67,146)
<TOTAL-LIABILITIES> (68,637)
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2,072,698
<SHARES-COMMON-STOCK> 1,120
<SHARES-COMMON-PRIOR> 1,006
<ACCUMULATED-NII-CURRENT> 644
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (38,096)
<ACCUM-APPREC-OR-DEPREC> 563,608
<NET-ASSETS> 2,598,854
<DIVIDEND-INCOME> 15,366
<INTEREST-INCOME> 759
<OTHER-INCOME> 51
<EXPENSES-NET> 4,869
<NET-INVESTMENT-INCOME> 11,307
<REALIZED-GAINS-CURRENT> (30,930)
<APPREC-INCREASE-CURRENT> (81,557)
<NET-CHANGE-FROM-OPS> (101,180)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (86)
<DISTRIBUTIONS-OF-GAINS> (1)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 7,656
<NUMBER-OF-SHARES-REDEEMED> (4,550)
<SHARES-REINVESTED> 73
<NET-CHANGE-IN-ASSETS> (256,575)
<ACCUMULATED-NII-PRIOR> 63
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (7,093)
<GROSS-ADVISORY-FEES> 5,473
<INTEREST-EXPENSE> 42
<GROSS-EXPENSE> 9,481
<AVERAGE-NET-ASSETS> 30,138
<PER-SHARE-NAV-BEGIN> 28.76
<PER-SHARE-NII> 0.08
<PER-SHARE-GAIN-APPREC> (1.20)
<PER-SHARE-DIVIDEND> (0.08)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 27.56
<EXPENSE-RATIO> 0.60
</TABLE>
