[ARTICLE] 6
[CIK] 0000720506
[NAME] SMITH BARNEY AGGRESSIVE GROWTH FUND INC. CLASS Z
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          AUG-31-1997
[PERIOD-END]                               AUG-31-1997
[INVESTMENTS-AT-COST]                      439,955,011
[INVESTMENTS-AT-VALUE]                     818,380,939
[RECEIVABLES]                                7,047,464
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             825,428,403
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   14,996,189
[TOTAL-LIABILITIES]                         14,996,189
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   393,110,521
[SHARES-COMMON-STOCK]                        1,022,356
[SHARES-COMMON-PRIOR]                        1,056,263
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                          10,811
[ACCUMULATED-NET-GAINS]                     38,846,576
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                   378,425,928
[NET-ASSETS]                               810,432,214
[DIVIDEND-INCOME]                            1,653,832
[INTEREST-INCOME]                              230,422
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               9,269,152
[NET-INVESTMENT-INCOME]                      7,389,592
[REALIZED-GAINS-CURRENT]                             0
[APPREC-INCREASE-CURRENT]                  235,657,971
[NET-CHANGE-FROM-OPS]                      267,548,490
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                       845,018
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        107,263
[NUMBER-OF-SHARES-REDEEMED]                    167,718
[SHARES-REINVESTED]                             26,548
[NET-CHANGE-IN-ASSETS]                     268,315,637
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                   15,744,999
[OVERDISTRIB-NII-PRIOR]                            534
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        3,956,238
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              9,269,152
[AVERAGE-NET-ASSETS]                        36,146,066
[PER-SHARE-NAV-BEGIN]                            29.20
[PER-SHARE-NII]                                  00.20
[PER-SHARE-GAIN-APPREC]                          14.41
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                        00.81
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              42.60
[EXPENSE-RATIO]                                  00.85
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>