<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000797657
<NAME> BT INVESTMENT FUNDS
<SERIES>
<NUMBER> 25
<NAME> QUANTITATIVE EQUITY
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 0
<INVESTMENTS-AT-VALUE> 2754415
<RECEIVABLES> 4920
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 26715
<TOTAL-ASSETS> 2786050
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 29007
<TOTAL-LIABILITIES> 29007
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2544070
<SHARES-COMMON-STOCK> 204462
<SHARES-COMMON-PRIOR> 272475
<ACCUMULATED-NII-CURRENT> 38026
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 239990
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (65043)
<NET-ASSETS> 2483080
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 0
<OTHER-INCOME> 39022
<EXPENSES-NET> 2525
<NET-INVESTMENT-INCOME> 36497
<REALIZED-GAINS-CURRENT> 97571
<APPREC-INCREASE-CURRENT> (186475)
<NET-CHANGE-FROM-OPS> (52407)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 729013
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (556395)
<ACCUMULATED-NII-PRIOR> 1529
<ACCUMULATED-GAINS-PRIOR> 142419
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 29444
<AVERAGE-NET-ASSETS> 1285884
<PER-SHARE-NAV-BEGIN> 12120
<PER-SHARE-NII> 0.070
<PER-SHARE-GAIN-APPREC> (0.050)
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 12.140
<EXPENSE-RATIO> 0.900
</TABLE>
