<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NAME> T. ROWE PRICE SMALL CAP GROWTH
<NUMBER> 10
<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> 316,204,963
<INVESTMENTS-AT-VALUE> 372,819,953
<RECEIVABLES> 4,347,518
<ASSETS-OTHER> 31,302,150
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 408,469,621
<PAYABLE-FOR-SECURITIES> 4,987,798
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 31,471,470
<TOTAL-LIABILITIES> 36,459,268
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 284,748,433
<SHARES-COMMON-STOCK> 22,247,105
<SHARES-COMMON-PRIOR> 17,130,944
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (268,953)
<ACCUMULATED-NET-GAINS> 30,915,883
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 56,614,990
<NET-ASSETS> 372,010,353
<DIVIDEND-INCOME> 194,206
<INTEREST-INCOME> 473,685
<OTHER-INCOME> 0
<EXPENSES-NET> 936,843
<NET-INVESTMENT-INCOME> (268,952)
<REALIZED-GAINS-CURRENT> 32,855,611
<APPREC-INCREASE-CURRENT> (14,811,453)
<NET-CHANGE-FROM-OPS> 17,775,206
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 8,217,797
<NUMBER-OF-SHARES-REDEEMED> 3,101,636
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 102,492,711
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (2,006,103)
<GROSS-ADVISORY-FEES> 827,534
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 936,843
<AVERAGE-NET-ASSETS> 322,745,117
<PER-SHARE-NAV-BEGIN> 15.73
<PER-SHARE-NII> (0.01)
<PER-SHARE-GAIN-APPREC> 1.00
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 16.72
<EXPENSE-RATIO> 0.006
</TABLE>
