WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000880366
<NAME> SMITH BARNEY INVESTMENT TRUST
<SERIES>
   <NUMBER> 004
   <NAME> LARGE CAPITALIZATION GROWTH FUND CLASS L

<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          NOV-30-1999
<PERIOD-END>                               NOV-30-1999
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<RECEIVABLES>                               31,399,652
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<SENIOR-EQUITY>                                      0
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<SHARES-COMMON-STOCK>                       28,772,846
<SHARES-COMMON-PRIOR>                       10,875,243
<ACCUMULATED-NII-CURRENT>                            0
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<NET-INVESTMENT-INCOME>                   (18,864,046)
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<APPREC-INCREASE-CURRENT>                  686,959,103
<NET-CHANGE-FROM-OPS>                      706,381,814
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
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<DISTRIBUTIONS-OTHER>                                0
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<INTEREST-EXPENSE>                                   0
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<PER-SHARE-NII>                                 (0.22)
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<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              23.56
<EXPENSE-RATIO>                                   1.89



</TABLE>