[ARTICLE] 6
[CIK] 0001000077
[NAME] SMITH BARNEY CONCERT ALLOCATION SERIES INC.
[SERIES]
   [NUMBER] 1
   [NAME] BALANCED PORTFOLIO. CLASS Z
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          JAN-31-1999
[PERIOD-END]                               JAN-31-1999
[INVESTMENTS-AT-COST]                      530,610,439
[INVESTMENTS-AT-VALUE]                     548,944,486
[RECEIVABLES]                                  777,861
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             549,722,347
[PAYABLE-FOR-SECURITIES]                     1,446,266
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                    1,334,218
[TOTAL-LIABILITIES]                          2,780,484
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   515,073,049
[SHARES-COMMON-STOCK]                        2,835,746
[SHARES-COMMON-PRIOR]                          231,377
[ACCUMULATED-NII-CURRENT]                      398,975
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                     13,093,550
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    18,334,047
[NET-ASSETS]                               546,941,863
[DIVIDEND-INCOME]                           16,749,096
[INTEREST-INCOME]                              196,142
[OTHER-INCOME]                                 760,947
[EXPENSES-NET]                               4,635,178
[NET-INVESTMENT-INCOME]                     13,071,007
[REALIZED-GAINS-CURRENT]                    16,355,841
[APPREC-INCREASE-CURRENT]                   10,040,283
[NET-CHANGE-FROM-OPS]                       39,447,131
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                      161,543
[DISTRIBUTIONS-OF-GAINS]                       141,695
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                      2,689,368
[NUMBER-OF-SHARES-REDEEMED]                    108,811
[SHARES-REINVESTED]                             23,813
[NET-CHANGE-IN-ASSETS]                      39,447,131
[ACCUMULATED-NII-PRIOR]                      1,216,914
[ACCUMULATED-GAINS-PRIOR]                   10,257,592
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                                0
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              7,949,559
[AVERAGE-NET-ASSETS]                         6,786,898
[PER-SHARE-NAV-BEGIN]                            12.61
[PER-SHARE-NII]                                  00.45
[PER-SHARE-GAIN-APPREC]                          00.74
[PER-SHARE-DIVIDEND]                             00.48
[PER-SHARE-DISTRIBUTIONS]                        00.37
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              12.95
[EXPENSE-RATIO]                                  00.35
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>