WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains financial data extracted from the semi-annual report
dated May 31, 2000 for the J.P. Mongan Institutional Service Prime Money Market
Fund and is qualified in its entirety by reference to such semi-annual report.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> NOV-30-2000
<PERIOD-END> MAY-31-2000
<INVESTMENTS-AT-COST> 1693320
<INVESTMENTS-AT-VALUE> 0
<RECEIVABLES> 108
<ASSETS-OTHER> 11
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1693439
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 8200
<TOTAL-LIABILITIES> 8200
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1685296
<SHARES-COMMON-STOCK> 1685302
<SHARES-COMMON-PRIOR> 1490790
<ACCUMULATED-NII-CURRENT> 5
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (62)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 1685239
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 44247
<OTHER-INCOME> 0
<EXPENSES-NET> 2293
<NET-INVESTMENT-INCOME> 41954
<REALIZED-GAINS-CURRENT> (4)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 41950
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 41954
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 5566217
<NUMBER-OF-SHARES-REDEEMED> 5374720
<SHARES-REINVESTED> 3015
<NET-CHANGE-IN-ASSETS> 194508
<ACCUMULATED-NII-PRIOR> 5
<ACCUMULATED-GAINS-PRIOR> (58)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2625
<AVERAGE-NET-ASSETS> 1492571
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.28
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0.28
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.45
</TABLE>
