<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000902259
<NAME> T.ROWE PRICE BLUE CHIP GROWTH ADVISOR CLASS SHARES
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 5200198
<INVESTMENTS-AT-VALUE> 7611472
<RECEIVABLES> 44904
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 7656376
<PAYABLE-FOR-SECURITIES> 43009
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 134056
<TOTAL-LIABILITIES> 177065
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4852863
<SHARES-COMMON-STOCK> 12
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (4176)
<ACCUMULATED-NET-GAINS> 219350
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2411273
<NET-ASSETS> 7479311
<DIVIDEND-INCOME> 23402
<INTEREST-INCOME> 4106
<OTHER-INCOME> 0
<EXPENSES-NET> 31641
<NET-INVESTMENT-INCOME> (4133)
<REALIZED-GAINS-CURRENT> 113379
<APPREC-INCREASE-CURRENT> 365461
<NET-CHANGE-FROM-OPS> 474707
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 12
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 770348
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 105971
<OVERDISTRIB-NII-PRIOR> (43)
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 21324
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 31647
<AVERAGE-NET-ASSETS> 40
<PER-SHARE-NAV-BEGIN> 38.63
<PER-SHARE-NII> 0
<PER-SHARE-GAIN-APPREC> 0.23
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 38.86
<EXPENSE-RATIO> 0.67
</TABLE>
