<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000880366
<NAME> SMITH BARNEY INVESTMENT TRUST
<SERIES>
   <NUMBER> 4
   <NAME> SB LARGE CAPITALIZATION GROWTH FUND, CLASS Y
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          NOV-30-1997
<PERIOD-END>                               NOV-30-1997
<INVESTMENTS-AT-COST>                      401,846,913
<INVESTMENTS-AT-VALUE>                     411,817,500
<RECEIVABLES>                                2,417,174
<ASSETS-OTHER>                                     217
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                             414,234,891
<PAYABLE-FOR-SECURITIES>                     1,276,488
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                      315,186
<TOTAL-LIABILITIES>                          1,591,674
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                   401,820,551
<SHARES-COMMON-STOCK>                        6,895,750
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                      501,575
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                        350,504
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                     9,970,587
<NET-ASSETS>                               412,643,217
<DIVIDEND-INCOME>                              705,480
<INTEREST-INCOME>                              545,911
<OTHER-INCOME>                                       0
<EXPENSES-NET>                               1,287,762
<NET-INVESTMENT-INCOME>                         36,371
<REALIZED-GAINS-CURRENT>                       350,504
<APPREC-INCREASE-CURRENT>                    9,970,587
<NET-CHANGE-FROM-OPS>                       10,284,720
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                      6,909,847
<NUMBER-OF-SHARES-REDEEMED>                     14,097
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                     412,358,495
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
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<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                              1,287,762
<AVERAGE-NET-ASSETS>                        68,219,454
<PER-SHARE-NAV-BEGIN>                            12.66
<PER-SHARE-NII>                                  00.01
<PER-SHARE-GAIN-APPREC>                          00.38
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              12.29
<EXPENSE-RATIO>                                  00.82
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        


</TABLE>