<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
The following information is extracted from and qualified by reference to
registrant's report on form N-SAR for the six months ended June 30, 2000 and the
unaudited financial statements included in the registrant's semi annual report
to shareholders.
</LEGEND>
<SERIES>
<NUMBER> 1
<NAME> ACORN FUND
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 2676542
<INVESTMENTS-AT-VALUE> 3855697
<RECEIVABLES> 26836
<ASSETS-OTHER> 589
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3883122
<PAYABLE-FOR-SECURITIES> 17810
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 47742
<TOTAL-LIABILITIES> 65552
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2354404
<SHARES-COMMON-STOCK> 221654
<SHARES-COMMON-PRIOR> 211618
<ACCUMULATED-NII-CURRENT> 3893
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 280123
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1179150
<NET-ASSETS> 3817570
<DIVIDEND-INCOME> 17692
<INTEREST-INCOME> 10729
<OTHER-INCOME> 0
<EXPENSES-NET> 16405
<NET-INVESTMENT-INCOME> 12016
<REALIZED-GAINS-CURRENT> 284646
<APPREC-INCREASE-CURRENT> (358941)
<NET-CHANGE-FROM-OPS> (62279)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 10651
<DISTRIBUTIONS-OF-GAINS> 213028
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 23285
<NUMBER-OF-SHARES-REDEEMED> 25152
<SHARES-REINVESTED> 11903
<NET-CHANGE-IN-ASSETS> (103269)
<ACCUMULATED-NII-PRIOR> 2528
<ACCUMULATED-GAINS-PRIOR> 208505
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 13360
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 16405
<AVERAGE-NET-ASSETS> 3904971
<PER-SHARE-NAV-BEGIN> 18.53
<PER-SHARE-NII> .06
<PER-SHARE-GAIN-APPREC> (.32)
<PER-SHARE-DIVIDEND> .05
<PER-SHARE-DISTRIBUTIONS> 1.00
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 17.22
<EXPENSE-RATIO> .84
</TABLE>
