<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000893658
<NAME> ARK
<SERIES>
<NUMBER> 072
<NAME> ARK CAPITAL GROWTH RETAIL B
<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> 185687
<INVESTMENTS-AT-VALUE> 260946
<RECEIVABLES> 1136
<ASSETS-OTHER> 71
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 262153
<PAYABLE-FOR-SECURITIES> 1498
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 254
<TOTAL-LIABILITIES> 1752
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 162405
<SHARES-COMMON-STOCK> 549
<SHARES-COMMON-PRIOR> 116
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 22737
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 75259
<NET-ASSETS> 260401
<DIVIDEND-INCOME> 871
<INTEREST-INCOME> 563
<OTHER-INCOME> 0
<EXPENSES-NET> (1842)
<NET-INVESTMENT-INCOME> (408)
<REALIZED-GAINS-CURRENT> 33108
<APPREC-INCREASE-CURRENT> 40192
<NET-CHANGE-FROM-OPS> 72892
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (600)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 435
<NUMBER-OF-SHARES-REDEEMED> (29)
<SHARES-REINVESTED> 27
<NET-CHANGE-IN-ASSETS> 11967
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 4031
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1221
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2048
<AVERAGE-NET-ASSETS> 174119
<PER-SHARE-NAV-BEGIN> 18.61
<PER-SHARE-NII> (0.13)
<PER-SHARE-GAIN-APPREC> 9.12
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (1.86)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 25.74
<EXPENSE-RATIO> 1.86
</TABLE>
