<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 050
<NAME> BURNHAM US TREASURY MONEY MARKET FUND
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 146,641,052
<INVESTMENTS-AT-VALUE> 146,641,052
<RECEIVABLES> 137,141
<ASSETS-OTHER> 0
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<OTHER-ITEMS-LIABILITIES> 401,287
<TOTAL-LIABILITIES> 401,287
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 146,392,188
<SHARES-COMMON-STOCK> 146,392,188
<SHARES-COMMON-PRIOR> 83,381,573
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 250
<OVERDISTRIBUTION-GAINS> 0
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<NET-ASSETS> 146,392,438
<DIVIDEND-INCOME> 0
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<OTHER-INCOME> 0
<EXPENSES-NET> 492,044
<NET-INVESTMENT-INCOME> 3,201,701
<REALIZED-GAINS-CURRENT> 250
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 3,201,951
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (3,201,701)
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<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 111,190,358
<NUMBER-OF-SHARES-REDEEMED> (51,058,394)
<SHARES-REINVESTED> 2,878,651
<NET-CHANGE-IN-ASSETS> 63,010,615
<ACCUMULATED-NII-PRIOR> 0
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<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
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<INTEREST-EXPENSE> 0
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<PER-SHARE-NAV-BEGIN> 1.00
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<EXPENSE-RATIO> 0.80
</TABLE>