[ARTICLE] 6
[CIK] 0000943309
[NAME] SMITH BARNEY INSTITUTIONAL CASH MANAGEMENT FUND INC.
[SERIES]
   [NUMBER] 2
   [NAME] GOVERNMENT MONEY MARKET PORTFOLIO
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          MAY-31-1999
[PERIOD-END]                               MAY-31-1999
[INVESTMENTS-AT-COST]                      146,682,847
[INVESTMENTS-AT-VALUE]                     146,682,847
[RECEIVABLES]                                    4,826
[ASSETS-OTHER]                                 107,717
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             146,795,390
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      692,164
[TOTAL-LIABILITIES]                            692,164
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   146,103,226
[SHARES-COMMON-STOCK]                      146,099,162
[SHARES-COMMON-PRIOR]                       88,481,697
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                              0
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                             0
[NET-ASSETS]                               146,103,226
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                            5,752,457
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                 259,990
[NET-INVESTMENT-INCOME]                      5,492,467
[REALIZED-GAINS-CURRENT]                         3,607
[APPREC-INCREASE-CURRENT]                            0
[NET-CHANGE-FROM-OPS]                        5,496,074
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                   49,633,063
[DISTRIBUTIONS-OF-GAINS]                        27,593
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                    833,058,394
[NUMBER-OF-SHARES-REDEEMED]                780,645,320
[SHARES-REINVESTED]                          5,204,391
[NET-CHANGE-IN-ASSETS]                      57,619,645
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                          304,826
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                460,672
[AVERAGE-NET-ASSETS]                       112,958,979
[PER-SHARE-NAV-BEGIN]                             1.00
[PER-SHARE-NII]                                   0.05
[PER-SHARE-GAIN-APPREC]                              0
[PER-SHARE-DIVIDEND]                              0.05
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                               1.00
[EXPENSE-RATIO]                                   0.23
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>