<TABLE> <S> <C>
<ARTICLE> 6
<RESTATED>
<CIK> 0000932471
<NAME> VANGUARD HORIZON FUNDS
<SERIES>
<NUMBER> 02
<NAME> VANGUARD CAPITAL OPPORTUNITY FUND
<MULTIPLIER> 1000
<CURRENCY> US
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-START> NOV-01-1999
<PERIOD-END> APR-30-2000
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 4508237
<INVESTMENTS-AT-VALUE> 5852698
<RECEIVABLES> 66733
<ASSETS-OTHER> 1048
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5920479
<PAYABLE-FOR-SECURITIES> 158883
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 327688
<TOTAL-LIABILITIES> 486571
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 3892304
<SHARES-COMMON-STOCK> 177211
<SHARES-COMMON-PRIOR> 66658
<ACCUMULATED-NII-CURRENT> 15582
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 181561
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1344461
<NET-ASSETS> 5433908
<DIVIDEND-INCOME> 11344
<INTEREST-INCOME> 14662
<OTHER-INCOME> 1380
<EXPENSES-NET> 10311
<NET-INVESTMENT-INCOME> 17075
<REALIZED-GAINS-CURRENT> 181856
<APPREC-INCREASE-CURRENT> 1106174
<NET-CHANGE-FROM-OPS> 1305105
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 3013
<DISTRIBUTIONS-OF-GAINS> 50784
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 117904
<NUMBER-OF-SHARES-REDEEMED> 9695
<SHARES-REINVESTED> 2344
<NET-CHANGE-IN-ASSETS> 4144602
<ACCUMULATED-NII-PRIOR> 1520
<ACCUMULATED-GAINS-PRIOR> 50489
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 4726
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 10313
<AVERAGE-NET-ASSETS> 3428028
<PER-SHARE-NAV-BEGIN> 19.34
<PER-SHARE-NII> 0.105
<PER-SHARE-GAIN-APPREC> 11.840
<PER-SHARE-DIVIDEND> 0.035
<PER-SHARE-DISTRIBUTIONS> 0.590
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 30.66
<EXPENSE-RATIO> 0.60
</TABLE>
