[ARTICLE] 6
[CIK] 0000880366
[NAME] SMITH BARNEY INVESTMENT TRUST
[SERIES]
   [NUMBER] 6
   [NAME] SMITH BARNEY MID CAP BLEND. CLASS L
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          NOV-30-1998
[PERIOD-END]                               NOV-30-1998
[INVESTMENTS-AT-COST]                      129,157,127
[INVESTMENTS-AT-VALUE]                     148,244,025
[RECEIVABLES]                                3,985,790
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             152,229,815
[PAYABLE-FOR-SECURITIES]                       431,772
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      840,243
[TOTAL-LIABILITIES]                          1,272,015
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   130,989,155
[SHARES-COMMON-STOCK]                        3,311,694
[SHARES-COMMON-PRIOR]                                0
[ACCUMULATED-NII-CURRENT]                       75,601
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                              0
[OVERDISTRIBUTION-GAINS]                   (1,832,594)
[ACCUM-APPREC-OR-DEPREC]                    21,726,448
[NET-ASSETS]                               150,957,800
[DIVIDEND-INCOME]                              166,247
[INTEREST-INCOME]                              389,039
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                 496,976
[NET-INVESTMENT-INCOME]                         58,310
[REALIZED-GAINS-CURRENT]                   (1,832,594)
[APPREC-INCREASE-CURRENT]                   21,726,448
[NET-CHANGE-FROM-OPS]                       19,952,164
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                      3,350,388
[NUMBER-OF-SHARES-REDEEMED]                     38,694
[SHARES-REINVESTED]                                  0
[NET-CHANGE-IN-ASSETS]                     150,957,800
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                          202,181
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                496,976
[AVERAGE-NET-ASSETS]                        32,834,661
[PER-SHARE-NAV-BEGIN]                            11.40
[PER-SHARE-NII]                                  00.00
[PER-SHARE-GAIN-APPREC]                          02.20
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              13.60
[EXPENSE-RATIO]                                  02.01
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>