<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 021
<NAME> WM TARGET MATURITY 2002 FUND
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-END> APR-30-2000
<INVESTMENTS-AT-COST> 0
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<PAID-IN-CAPITAL-COMMON> 80,169
<SHARES-COMMON-STOCK> 0
<SHARES-COMMON-PRIOR> 185,467
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (487)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (79,682)
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 0
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 56,708
<OTHER-INCOME> 0
<EXPENSES-NET> 8,983
<NET-INVESTMENT-INCOME> 47,725
<REALIZED-GAINS-CURRENT> (79,646)
<APPREC-INCREASE-CURRENT> 3,255
<NET-CHANGE-FROM-OPS> (28,666)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (148,100)
<DISTRIBUTIONS-OF-GAINS> (26,053)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 194,363
<NUMBER-OF-SHARES-REDEEMED> (395,806)
<SHARES-REINVESTED> 15,976
<NET-CHANGE-IN-ASSETS> (1,934,413)
<ACCUMULATED-NII-PRIOR> 99,888
<ACCUMULATED-GAINS-PRIOR> 26,017
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,235
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 19,832
<AVERAGE-NET-ASSETS> 3,115,861
<PER-SHARE-NAV-BEGIN> 10.64
<PER-SHARE-NII> (0.14)
<PER-SHARE-GAIN-APPREC> (9.95)
<PER-SHARE-DIVIDEND> (0.40)
<PER-SHARE-DISTRIBUTIONS> (0.15)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 0.00
<EXPENSE-RATIO> 1.00
</TABLE>