<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000893783
<NAME> GABELLI INVESTOR FUND
<SERIES>
<NUMBER> 1
<NAME> GABELLI ABC FUND
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 73239042
<INVESTMENTS-AT-VALUE> 70698090
<RECEIVABLES> 115510
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 4512
<TOTAL-ASSETS> 70818112
<PAYABLE-FOR-SECURITIES> 2587215
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 193504
<TOTAL-LIABILITIES> 2780719
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 65790006
<SHARES-COMMON-STOCK> 6876101
<SHARES-COMMON-PRIOR> 4532793
<ACCUMULATED-NII-CURRENT> 390239
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 4398100
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (2540952)
<NET-ASSETS> 68037393
<DIVIDEND-INCOME> 383124
<INTEREST-INCOME> 569654
<OTHER-INCOME> 0
<EXPENSES-NET> 562539
<NET-INVESTMENT-INCOME> 390239
<REALIZED-GAINS-CURRENT> 4410101
<APPREC-INCREASE-CURRENT> (1533140)
<NET-CHANGE-FROM-OPS> 3267200
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 6481685
<NUMBER-OF-SHARES-REDEEMED> 4138377
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 25253906
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (12001)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 330359
<INTEREST-EXPENSE> 12252
<GROSS-EXPENSE> 562539
<AVERAGE-NET-ASSETS> 66434830
<PER-SHARE-NAV-BEGIN> 9.44
<PER-SHARE-NII> .06
<PER-SHARE-GAIN-APPREC> (0.39)
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.89
<EXPENSE-RATIO> 1.70
</TABLE>
