WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
SEMI-ANNUAL REPORT DATED JUNE 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<SERIES>
<NUMBER> 041
<NAME> GS CORE U.S. Equity Fund
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 94,432,721
<INVESTMENTS-AT-VALUE> 99,981,735
<RECEIVABLES> 1,010,693
<ASSETS-OTHER> 745
<OTHER-ITEMS-ASSETS> 939,948
<TOTAL-ASSETS> 101,933,121
<PAYABLE-FOR-SECURITIES> 393,863
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 115,142
<TOTAL-LIABILITIES> 509,005
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 95,066,042
<SHARES-COMMON-STOCK> 7,335,149
<SHARES-COMMON-PRIOR> 3,723,503
<ACCUMULATED-NII-CURRENT> 530,547
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 335,413
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 5,492,114
<NET-ASSETS> 101,424,116
<DIVIDEND-INCOME> 654,185
<INTEREST-INCOME> 206,027
<OTHER-INCOME> 0
<EXPENSES-NET> (329,665)
<NET-INVESTMENT-INCOME> 530,547
<REALIZED-GAINS-CURRENT> (292,252)
<APPREC-INCREASE-CURRENT> 4,517
<NET-CHANGE-FROM-OPS> 242,812
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 4,635,351
<NUMBER-OF-SHARES-REDEEMED> (1,023,705)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 49,365,636
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 627,665
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 262,949
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 349,982
<AVERAGE-NET-ASSETS> 75,541,207
<PER-SHARE-NAV-BEGIN> 13.98
<PER-SHARE-NII> 0.07
<PER-SHARE-GAIN-APPREC> (0.22)
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 13.83
<EXPENSE-RATIO> 0.88
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
