<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000355747
<NAME> SMITH BARNEY INVESTMENT FUNDS, INC.
<SERIES>
   <NUMBER> 2
   <NAME> SMITH BARNEY SMALL CAP GROWTH - CLASS Y

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          SEP-30-2000
<PERIOD-END>                               MAR-31-2000
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<SHARES-COMMON-STOCK>                        4,212,953
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                    (571,834)
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<EQUALIZATION>                                       0
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<PER-SHARE-NII>                                 (0.01)
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<EXPENSE-RATIO>                                   0.94


</TABLE>