<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000814232
<NAME> RS INVESTMENT MANAGEMENT CO. LLC
<SERIES>
<NUMBER> 11
<NAME> INTERNET AGE
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 268462440
<INVESTMENTS-AT-VALUE> 270742413
<RECEIVABLES> 3409187
<ASSETS-OTHER> 11619
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 274163219
<PAYABLE-FOR-SECURITIES> 2813098
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 28429352
<TOTAL-LIABILITIES> 31242450
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 273757375
<SHARES-COMMON-STOCK> 20226969
<SHARES-COMMON-PRIOR> 8501538
<ACCUMULATED-NII-CURRENT> (1687936)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (31428643)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2279973
<NET-ASSETS> 242920769
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 271998
<OTHER-INCOME> 0
<EXPENSES-NET> (1959934)
<NET-INVESTMENT-INCOME> (1687936)
<REALIZED-GAINS-CURRENT> (31259421)
<APPREC-INCREASE-CURRENT> (8559624)
<NET-CHANGE-FROM-OPS> (41506981)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 19800075
<NUMBER-OF-SHARES-REDEEMED> (8074644)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 139335673
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (169222)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1339532
<INTEREST-EXPENSE> 1928
<GROSS-EXPENSE> 2132340
<AVERAGE-NET-ASSETS> 215502747
<PER-SHARE-NAV-BEGIN> 12.18
<PER-SHARE-NII> (.08)
<PER-SHARE-GAIN-APPREC> (.09)
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 12.01
<EXPENSE-RATIO> 1.83
</TABLE>