<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000893658
<NAME> ARK
<SERIES>
<NUMBER> 110
<NAME> ARK BLUE CHIP EQUITY INSTITUTIONAL
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> APR-30-2000
<PERIOD-START> MAY-01-1999
<PERIOD-END> APR-30-2000
<INVESTMENTS-AT-COST> 213000
<INVESTMENTS-AT-VALUE> 295176
<RECEIVABLES> 530
<ASSETS-OTHER> 189
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 295895
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 304
<TOTAL-LIABILITIES> 304
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 198847
<SHARES-COMMON-STOCK> 8963
<SHARES-COMMON-PRIOR> 6486
<ACCUMULATED-NII-CURRENT> 119
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 14449
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 82176
<NET-ASSETS> 295591
<DIVIDEND-INCOME> 2665
<INTEREST-INCOME> 506
<OTHER-INCOME> 0
<EXPENSES-NET> (2386)
<NET-INVESTMENT-INCOME> 785
<REALIZED-GAINS-CURRENT> 14155
<APPREC-INCREASE-CURRENT> 30755
<NET-CHANGE-FROM-OPS> 45695
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (538)
<DISTRIBUTIONS-OF-GAINS> (2889)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3861
<NUMBER-OF-SHARES-REDEEMED> (1521)
<SHARES-REINVESTED> 137
<NET-CHANGE-IN-ASSETS> 81814
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 4389
<OVERDISTRIB-NII-PRIOR> (9)
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1640
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2919
<AVERAGE-NET-ASSETS> 233825
<PER-SHARE-NAV-BEGIN> 20.00
<PER-SHARE-NII> 0.08
<PER-SHARE-GAIN-APPREC> 3.97
<PER-SHARE-DIVIDEND> (0.07)
<PER-SHARE-DISTRIBUTIONS> (0.38)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 23.60
<EXPENSE-RATIO> 0.97
</TABLE>
