<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>371
<NAME>NATIONS LARGECAP INDEX PRIMARY 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> 92,679
<SHARES-COMMON-PRIOR> 97,798
<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> (10,640)
<DISTRIBUTIONS-OF-GAINS> (68)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> (674,786)
<NUMBER-OF-SHARES-REDEEMED> (828,220)
<SHARES-REINVESTED> 5,655
<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> 2,704,595
<PER-SHARE-NAV-BEGIN> 28.90
<PER-SHARE-NII> 0.12
<PER-SHARE-GAIN-APPREC> (1.20)
<PER-SHARE-DIVIDEND> (0.11)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 27.71
<EXPENSE-RATIO> 0.35
</TABLE>
