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<PAGE> PAGE 2
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<PAGE> PAGE 3
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<PAGE> PAGE 7
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<PAGE> PAGE 9
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<PAGE> PAGE 10
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<PAGE> PAGE 11
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<PAGE> PAGE 12
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<PAGE> PAGE 13
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<PAGE> PAGE 14
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<PAGE> PAGE 15
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SIGNATURE IRVING P. DAVID
TITLE CONTROLLER
[ARTICLE] 6
[CIK] 0000943309
[NAME] SMITH BARNEY INSTUTIONAL CASH MANAGEMENT FUND INC.
[SERIES]
[NUMBER] 001
[NAME] CASH PORTFOLIO
<TABLE>
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] MAY-31-2000
[PERIOD-END] NOV-30-1999
[INVESTMENTS-AT-COST] 1,617,286,761
[INVESTMENTS-AT-VALUE] 1,617,286,761
[RECEIVABLES] 921
[ASSETS-OTHER] 5,632,915
[OTHER-ITEMS-ASSETS] 0
[TOTAL-ASSETS] 1,622,920,597
[PAYABLE-FOR-SECURITIES] 0
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 7,842,920
[TOTAL-LIABILITIES] 7,842,920
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 1,615,077,677
[SHARES-COMMON-STOCK] 1,615,071,584
[SHARES-COMMON-PRIOR] 1,056,498,989
[ACCUMULATED-NII-CURRENT] 0
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] 0
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 0
[NET-ASSETS] 1,615,077,677
[DIVIDEND-INCOME] 0
[INTEREST-INCOME] 35,795,786
[OTHER-INCOME] 0
[EXPENSES-NET] 1,525,350
[NET-INVESTMENT-INCOME] 34,270,436
[REALIZED-GAINS-CURRENT] 326
[APPREC-INCREASE-CURRENT] 0
[NET-CHANGE-FROM-OPS] 34,270,762
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] 34,270,762
[DISTRIBUTIONS-OF-GAINS] 0
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 5,961,196,357
[NUMBER-OF-SHARES-REDEEMED] 5,432,500,682
[SHARES-REINVESTED] 29,876,920
[NET-CHANGE-IN-ASSETS] 558,572,595
[ACCUMULATED-NII-PRIOR] 0
[ACCUMULATED-GAINS-PRIOR] 0
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 1,784,015
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 1,926,370
[AVERAGE-NET-ASSETS] 1,332,444,815
[PER-SHARE-NAV-BEGIN] 1.00
[PER-SHARE-NII] 0.03
[PER-SHARE-GAIN-APPREC] 0.00
[PER-SHARE-DIVIDEND] 0.03
[PER-SHARE-DISTRIBUTIONS] 0.00
[RETURNS-OF-CAPITAL] 0.00
[PER-SHARE-NAV-END] 1.00
[EXPENSE-RATIO] 0.23
</TABLE>
[ARTICLE] 6
[CIK] 0000943309
[NAME] SMITH BARNEY INSTITUTIONAL CASH MANAGEMENT FUND INC.
[SERIES]
[NUMBER] 002
[NAME] GOVERNMENT PORTFOLIO
<TABLE>
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] MAY-31-2000
[PERIOD-END] NOV-30-1999
[INVESTMENTS-AT-COST] 226,000,787
[INVESTMENTS-AT-VALUE] 226,000,787
[RECEIVABLES] 2,982
[ASSETS-OTHER] 132,739
[OTHER-ITEMS-ASSETS] 0
[TOTAL-ASSETS] 226,136,508
[PAYABLE-FOR-SECURITIES] 0
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 1,025,180
[TOTAL-LIABILITIES] 1,025,180
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 225,111,328
[SHARES-COMMON-STOCK] 225,107,264
[SHARES-COMMON-PRIOR] 146,099,162
[ACCUMULATED-NII-CURRENT] 0
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] 0
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 0
[NET-ASSETS] 225,111,328
[DIVIDEND-INCOME] 0
[INTEREST-INCOME] 5,390,762
[OTHER-INCOME] 0
[EXPENSES-NET] 237,183
[NET-INVESTMENT-INCOME] 5,153,579
[REALIZED-GAINS-CURRENT] 0
[APPREC-INCREASE-CURRENT] 0
[NET-CHANGE-FROM-OPS] 5,153,579
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] 5,153,579
[DISTRIBUTIONS-OF-GAINS] 0
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 631,430,914
[NUMBER-OF-SHARES-REDEEMED] 557,132,363
[SHARES-REINVESTED] 4,709,551
[NET-CHANGE-IN-ASSETS] 79,008,102
[ACCUMULATED-NII-PRIOR] 0
[ACCUMULATED-GAINS-PRIOR] 0
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 431,821
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 506,581
[AVERAGE-NET-ASSETS] 207,199,146
[PER-SHARE-NAV-BEGIN] 1.00
[PER-SHARE-NII] 0.03
[PER-SHARE-GAIN-APPREC] 0.00
[PER-SHARE-DIVIDEND] 0.03
[PER-SHARE-DISTRIBUTIONS] 0.00
[RETURNS-OF-CAPITAL] 0.00
[PER-SHARE-NAV-END] 1.00
[EXPENSE-RATIO] 0.23
</TABLE>
[ARTICLE] 6
[CIK] 0000943309
[NAME] SMITH BARNEY INSTITUTIONAL CASH MANAGEMENT FUND INC.
[SERIES]
[NUMBER] 003
[NAME] MUNICIPAL PORTFOLIO
<TABLE>
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] MAY-31-2000
[PERIOD-END] NOV-30-1999
[INVESTMENTS-AT-COST] 151,190,915
[INVESTMENTS-AT-VALUE] 151,190,915
[RECEIVABLES] 1,035,809
[ASSETS-OTHER] 271
[OTHER-ITEMS-ASSETS] 0
[TOTAL-ASSETS] 152,226,995
[PAYABLE-FOR-SECURITIES] 0
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 524,029
[TOTAL-LIABILITIES] 524,029
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 151,696,040
[SHARES-COMMON-STOCK] 151,695,600
[SHARES-COMMON-PRIOR] 311,544,338
[ACCUMULATED-NII-CURRENT] 0
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] 6,926
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 0
[NET-ASSETS] 151,702,966
[DIVIDEND-INCOME] 0
[INTEREST-INCOME] 2,982,380
[OTHER-INCOME] 0
[EXPENSES-NET] 203,361
[NET-INVESTMENT-INCOME] 2,779,019
[REALIZED-GAINS-CURRENT] 8,467
[APPREC-INCREASE-CURRENT] 0
[NET-CHANGE-FROM-OPS] 2,787,486
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] 2,779,019
[DISTRIBUTIONS-OF-GAINS] 0
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 406,037,223
[NUMBER-OF-SHARES-REDEEMED] 568,878,336
[SHARES-REINVESTED] 2,992,375
[NET-CHANGE-IN-ASSETS] (159,840,271)
[ACCUMULATED-NII-PRIOR] 0
[ACCUMULATED-GAINS-PRIOR] 0
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 236,578
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 295,640
[AVERAGE-NET-ASSETS] 176,695,633
[PER-SHARE-NAV-BEGIN] 1.00
[PER-SHARE-NII] 0.02
[PER-SHARE-GAIN-APPREC] 0.00
[PER-SHARE-DIVIDEND] 0.02
[PER-SHARE-DISTRIBUTIONS] 0.00
[RETURNS-OF-CAPITAL] 0.00
[PER-SHARE-NAV-END] 1.00
[EXPENSE-RATIO] 0.23
</TABLE>
