<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000927413
<NAME> WT MUTUAL FUND
<SERIES>
<NUMBER> 05
<NAME> WILMINGTON SHORT/INTERMEDIATE PORTFOLIO
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 140768
<INVESTMENTS-AT-VALUE> 140768
<RECEIVABLES> 0
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 21
<TOTAL-ASSETS> 140789
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 774
<TOTAL-LIABILITIES> 774
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 144750
<SHARES-COMMON-STOCK> 14473
<SHARES-COMMON-PRIOR> 6955
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (1017)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (3719)
<NET-ASSETS> 140015
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1845
<OTHER-INCOME> 5620
<EXPENSES-NET> (219)
<NET-INVESTMENT-INCOME> 7246
<REALIZED-GAINS-CURRENT> (922)
<APPREC-INCREASE-CURRENT> (991)
<NET-CHANGE-FROM-OPS> 5333
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (7246)
<DISTRIBUTIONS-OF-GAINS> (321)
<DISTRIBUTIONS-OTHER> (0)
<NUMBER-OF-SHARES-SOLD> 65699
<NUMBER-OF-SHARES-REDEEMED> (18735)
<SHARES-REINVESTED> 5902
<NET-CHANGE-IN-ASSETS> 50632
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (0)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 105
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 360
<AVERAGE-NET-ASSETS> 114052
<PER-SHARE-NAV-BEGIN> 9.860
<PER-SHARE-NII> 0.520
<PER-SHARE-GAIN-APPREC> (0.160)
<PER-SHARE-DIVIDEND> (0.520)
<PER-SHARE-DISTRIBUTIONS> (0.030)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.670
<EXPENSE-RATIO> 0.600
</TABLE>