<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>401
<NAME>NATIONS MANAGED SMALLCAP INDEX PRIMARY A
<S> <C>
<MULTIPLIER>1000
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> Mar-31-2000
<PERIOD-END> Mar-31-2000
<INVESTMENTS-AT-COST> 174,403
<INVESTMENTS-AT-VALUE> 207,591
<RECEIVABLES> 5,042
<ASSETS-OTHER> 3
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 212,636
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> (8,433)
<TOTAL-LIABILITIES> (8,433)
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 190,032
<SHARES-COMMON-STOCK> 14,529
<SHARES-COMMON-PRIOR> 17,159
<ACCUMULATED-NII-CURRENT> 24
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (18,118)
<ACCUM-APPREC-OR-DEPREC> 32,265
<NET-ASSETS> 204,203
<DIVIDEND-INCOME> 1,545
<INTEREST-INCOME> 173
<OTHER-INCOME> 26
<EXPENSES-NET> 1,059
<NET-INVESTMENT-INCOME> 685
<REALIZED-GAINS-CURRENT> (1,463)
<APPREC-INCREASE-CURRENT> 41,308
<NET-CHANGE-FROM-OPS> 40,530
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (654)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 6,075
<NUMBER-OF-SHARES-REDEEMED> 8,723
<SHARES-REINVESTED> 18
<NET-CHANGE-IN-ASSETS> 5,042
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (16,655)
<GROSS-ADVISORY-FEES> 839
<INTEREST-EXPENSE> 17
<GROSS-EXPENSE> 1,597
<AVERAGE-NET-ASSETS> 194,425
<PER-SHARE-NAV-BEGIN> 11.04
<PER-SHARE-NII> 0.04
<PER-SHARE-GAIN-APPREC> 2.49
<PER-SHARE-DIVIDEND> (0.04)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 13.53
<EXPENSE-RATIO> 0.50
</TABLE>
