<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0001047712
<NAME> UNDISCOVERED MANAGERS FUNDS
<SERIES>
<NUMBER> 021
<NAME> BEHAVIORAL GROWTH FUND INSTITUTIONAL CLASS
<MULTIPLIER> 1
<S> <C>
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<PERIOD-START> SEP-01-1999
<PERIOD-END> AUG-31-2000
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<OTHER-ITEMS-LIABILITIES> 721276
<TOTAL-LIABILITIES> 1103662
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<PAID-IN-CAPITAL-COMMON> 217815852
<SHARES-COMMON-STOCK> 8659556
<SHARES-COMMON-PRIOR> 4400826
<ACCUMULATED-NII-CURRENT> 0
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<EXPENSES-NET> 2751143
<NET-INVESTMENT-INCOME> (2068365)
<REALIZED-GAINS-CURRENT> 11963438
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<NET-CHANGE-FROM-OPS> 44502113
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<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 6530648
<NUMBER-OF-SHARES-REDEEMED> (2271918)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 186174854
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<ACCUMULATED-GAINS-PRIOR> (3014436)
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</TABLE>
