[ARTICLE] 6
[CIK] 0001000077
[NAME] SMITH BARNEY CONCERT ALLOCATION SERIES INC.
[SERIES]
   [NUMBER] 3
   [NAME] CONSERVATIVE PORTFOLIO. CLASS L
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          JAN-31-1999
[PERIOD-END]                               JAN-31-1999
[INVESTMENTS-AT-COST]                      145,589,451
[INVESTMENTS-AT-VALUE]                     145,316,038
[RECEIVABLES]                                   71,665
[ASSETS-OTHER]                                     923
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             145,388,626
[PAYABLE-FOR-SECURITIES]                     1,601,366
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      321,954
[TOTAL-LIABILITIES]                          1,923,320
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   141,236,814
[SHARES-COMMON-STOCK]                          573,764
[SHARES-COMMON-PRIOR]                          443,011
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                         373,120
[ACCUMULATED-NET-GAINS]                      2,128,785
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                     (273,413)
[NET-ASSETS]                               143,465,306
[DIVIDEND-INCOME]                            6,503,279
[INTEREST-INCOME]                               53,836
[OTHER-INCOME]                                 157,399
[EXPENSES-NET]                               1,046,391
[NET-INVESTMENT-INCOME]                      5,668,123
[REALIZED-GAINS-CURRENT]                     2,660,092
[APPREC-INCREASE-CURRENT]                  (1,387,430)
[NET-CHANGE-FROM-OPS]                        6,940,785
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                      258,071
[DISTRIBUTIONS-OF-GAINS]                       112,889
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        273,480
[NUMBER-OF-SHARES-REDEEMED]                    170,834
[SHARES-REINVESTED]                             28,107
[NET-CHANGE-IN-ASSETS]                      37,624,631
[ACCUMULATED-NII-PRIOR]                        425,584
[ACCUMULATED-GAINS-PRIOR]                    1,906,925
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                                0
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              1,046,391
[AVERAGE-NET-ASSETS]                         5,884,888
[PER-SHARE-NAV-BEGIN]                            12.16
[PER-SHARE-NII]                                  00.53
[PER-SHARE-GAIN-APPREC]                          00.10
[PER-SHARE-DIVIDEND]                             00.53
[PER-SHARE-DISTRIBUTIONS]                        00.24
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              12.02
[EXPENSE-RATIO]                                  01.05
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>