<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 021
<NAME> JOHN HANCOCK BALANCED FUND-CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 189,013,138
<INVESTMENTS-AT-VALUE> 211,127,335
<RECEIVABLES> 1,125,179
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<OTHER-ITEMS-ASSETS> 687
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<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 199,223
<TOTAL-LIABILITIES> 199,223
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 174,624,771
<SHARES-COMMON-STOCK> 9,062,851
<SHARES-COMMON-PRIOR> 9,300,873
<ACCUMULATED-NII-CURRENT> 112,051
<OVERDISTRIBUTION-NII> 0
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<OVERDISTRIBUTION-GAINS> 0
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<NET-ASSETS> 212,083,987
<DIVIDEND-INCOME> 1,904,671
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<OTHER-INCOME> 0
<EXPENSES-NET> 1,722,328
<NET-INVESTMENT-INCOME> 2,347,576
<REALIZED-GAINS-CURRENT> 17,196,451
<APPREC-INCREASE-CURRENT> (29,145,076)
<NET-CHANGE-FROM-OPS> (9,601,049)
<EQUALIZATION> 0
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<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3,114,531
<NUMBER-OF-SHARES-REDEEMED> 3,456,412
<SHARES-REINVESTED> 103,859
<NET-CHANGE-IN-ASSETS> 30,499,205
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (1,963,483)
<OVERDISTRIB-NII-PRIOR> (14,343)
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<PER-SHARE-NII> 0.16
<PER-SHARE-GAIN-APPREC> (0.64)
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</TABLE>
