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<PAGE> PAGE 2
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<PAGE> PAGE 3
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<PAGE> PAGE 4
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<PAGE> PAGE 5
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<PAGE> PAGE 6
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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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<PAGE> PAGE 16
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<PAGE> PAGE 17
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<PAGE> PAGE 18
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<PAGE> PAGE 19
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<PAGE> PAGE 20
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<PAGE> PAGE 21
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<PAGE> PAGE 22
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056 000500 N
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<PAGE> PAGE 23
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070 F020500 N
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070 G020500 N
070 H010500 N
070 H020500 N
070 I010500 N
070 I020500 N
070 J010500 N
070 J020500 N
070 K010500 N
070 K020500 N
070 L010500 N
070 L020500 N
070 M010500 N
070 M020500 N
070 N010500 N
070 N020500 N
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070 O020500 N
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<PAGE> PAGE 24
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<PAGE> PAGE 25
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<PAGE> PAGE 26
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<PAGE> PAGE 27
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<PAGE> PAGE 28
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<PAGE> PAGE 29
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<PAGE> PAGE 30
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<PAGE> PAGE 31
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<PAGE> PAGE 32
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<PAGE> PAGE 33
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<PAGE> PAGE 34
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<PAGE> PAGE 35
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<PAGE> PAGE 36
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<PAGE> PAGE 37
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<PAGE> PAGE 38
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SIGNATURE JOHN J. ARTHUR
TITLE SR V.P. & TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information for the Short-Term
Investments Co. Prime Portfolio Institutional Class for the six month
period ended February 29, 1996.
</LEGEND>
<CIK> 0000914638
<NAME> SHORT-TERM INVESTMENTS CO.
<SERIES>
<NUMBER> 1
<NAME> PRIME PORTFOLIO INSTITUTIONAL CLASS
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<DISTRIBUTIONS-OF-INCOME> (132333089)
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<NUMBER-OF-SHARES-REDEEMED> (18009637620)
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<PER-SHARE-NAV-BEGIN> 1.00
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<PER-SHARE-DIVIDEND> (0.03)
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</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information for the Short-Term
Investments Co. Prime Portfolio Private Class for the six month
period ended February 29, 1996.
</LEGEND>
<CIK> 0000914638
<NAME> SHORT-TERM INVESTMENTS CO.
<SERIES>
<NUMBER> 2
<NAME> PRIME PORTFOLIO PRIVATE CLASS
<S> <C>
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<FISCAL-YEAR-END> AUG-31-1996
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<OTHER-INCOME> 0
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<NET-INVESTMENT-INCOME> 132333089
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<NUMBER-OF-SHARES-SOLD> 19027764662
<NUMBER-OF-SHARES-REDEEMED> (18009637620)
<SHARES-REINVESTED> 13330420
<NET-CHANGE-IN-ASSETS> 1031457587
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<GROSS-EXPENSE> 2805524
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<PER-SHARE-NAV-BEGIN> 1.00
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<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.39
<AVG-DEBT-OUTSTANDING> 0
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</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information for the Short-Term
Investments Co. Prime Portfolio Personal Class for the six month
period ended February 29, 1996.
</LEGEND>
<CIK> 0000914638
<NAME> SHORT-TERM INVESTMENTS CO.
<SERIES>
<NUMBER> 3
<NAME> PRIME PORTFOLIO PERSONAL CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> AUG-31-1996
<PERIOD-END> FEB-29-1996
<INVESTMENTS-AT-COST> 5215773462
<INVESTMENTS-AT-VALUE> 5215773462
<RECEIVABLES> 40289545
<ASSETS-OTHER> 1291109
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5257354116
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 24816417
<TOTAL-LIABILITIES> 24816417
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 5232549627
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<SHARES-COMMON-PRIOR> 4201092165
<ACCUMULATED-NII-CURRENT> 0
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<ACCUMULATED-NET-GAINS> (11928)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 5232537699
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 135138613
<OTHER-INCOME> 0
<EXPENSES-NET> 2805524
<NET-INVESTMENT-INCOME> 132333089
<REALIZED-GAINS-CURRENT> 125
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 132333214
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (132333089)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 19027764662
<NUMBER-OF-SHARES-REDEEMED> (18009637620)
<SHARES-REINVESTED> 13330420
<NET-CHANGE-IN-ASSETS> 1031457587
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<GROSS-ADVISORY-FEES> 1378966
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2805524
<AVERAGE-NET-ASSETS> 111861556
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.03
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<PER-SHARE-DIVIDEND> (0.03)
<PER-SHARE-DISTRIBUTIONS> 0
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<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.59
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information for the Short-Term
Investments Co. Prime Portfolio Cash Management Class for the six
month period ended February 29, 1996.
</LEGEND>
<CIK> 0000914638
<NAME> SHORT-TERM INVESTMENTS CO.
<SERIES>
<NUMBER> 4
<NAME> PRIME PORTFOLIO CASH MANAGEMENT CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> AUG-31-1996
<PERIOD-END> FEB-29-1996
<INVESTMENTS-AT-COST> 5215773462
<INVESTMENTS-AT-VALUE> 5215773462
<RECEIVABLES> 40289545
<ASSETS-OTHER> 1291109
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5257354116
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 24816417
<TOTAL-LIABILITIES> 24816417
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 5232549627
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<SHARES-COMMON-PRIOR> 4201092165
<ACCUMULATED-NII-CURRENT> 0
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<ACCUMULATED-NET-GAINS> (11928)
<OVERDISTRIBUTION-GAINS> 0
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<NET-ASSETS> 5232537699
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 135138613
<OTHER-INCOME> 0
<EXPENSES-NET> 2805524
<NET-INVESTMENT-INCOME> 132333089
<REALIZED-GAINS-CURRENT> 125
<APPREC-INCREASE-CURRENT> 0
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<DISTRIBUTIONS-OF-GAINS> 0
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<NUMBER-OF-SHARES-SOLD> 19027764662
<NUMBER-OF-SHARES-REDEEMED> (18009637620)
<SHARES-REINVESTED> 13330420
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<ACCUMULATED-GAINS-PRIOR> (12053)
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<GROSS-EXPENSE> 2805524
<AVERAGE-NET-ASSETS> 237211051
<PER-SHARE-NAV-BEGIN> 1.00
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<PER-SHARE-DIVIDEND> (0.03)
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<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.17
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information for the Short-Term
Investments Co. Liquid Assets Portfolio Institutional Class for the
six month period ended February 29, 1996.
</LEGEND>
<CIK> 0000914638
<NAME> SHORT-TERM INVESTMENTS CO.
<SERIES>
<NUMBER> 5
<NAME> LIQUID ASSETS PORTFOLIO INSTITUTIONAL CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> AUG-31-1996
<PERIOD-END> FEB-29-1996
<INVESTMENTS-AT-COST> 1548740454
<INVESTMENTS-AT-VALUE> 1548740454
<RECEIVABLES> 3117370
<ASSETS-OTHER> 72262
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1551930086
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 11525215
<TOTAL-LIABILITIES> 11525215
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1542280484
<SHARES-COMMON-STOCK> 1542280484
<SHARES-COMMON-PRIOR> 1287599788
<ACCUMULATED-NII-CURRENT> 0
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<ACCUMULATED-NET-GAINS> (1875613)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 1540404871
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 52532273
<OTHER-INCOME> 0
<EXPENSES-NET> 358165
<NET-INVESTMENT-INCOME> 52174108
<REALIZED-GAINS-CURRENT> (1738483)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 50435625
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (52174108)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 23059777083
<NUMBER-OF-SHARES-REDEEMED> (22807557541)
<SHARES-REINVESTED> 2461154
<NET-CHANGE-IN-ASSETS> 252942213
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<ACCUMULATED-GAINS-PRIOR> (137130)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
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<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1674535
<AVERAGE-NET-ASSETS> 1843802600
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.03
<PER-SHARE-GAIN-APPREC> 0
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<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.04
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information for the Short-Term
Investments Co. Liquid Assets Portfolio Private Class for the
six month period ended February 29, 1996.
</LEGEND>
<CIK> 0000914638
<NAME> SHORT-TERM INVESTMENTS CO.
<SERIES>
<NUMBER> 6
<NAME> LIQUID ASSETS PORTFOLIO PRIVATE CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> AUG-31-1996
<PERIOD-END> FEB-29-1996
<INVESTMENTS-AT-COST> 1548740454
<INVESTMENTS-AT-VALUE> 1548740454
<RECEIVABLES> 3117370
<ASSETS-OTHER> 72262
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1551930086
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 11525215
<TOTAL-LIABILITIES> 11525215
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1542280484
<SHARES-COMMON-STOCK> 1542280484
<SHARES-COMMON-PRIOR> 1287599788
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (1875613)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 1540404871
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 52532273
<OTHER-INCOME> 0
<EXPENSES-NET> 358165
<NET-INVESTMENT-INCOME> 52174108
<REALIZED-GAINS-CURRENT> (1738483)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 50435625
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (52174108)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 23059777083
<NUMBER-OF-SHARES-REDEEMED> (22807557541)
<SHARES-REINVESTED> 2461154
<NET-CHANGE-IN-ASSETS> 252942213
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (137130)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1369372
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1674535
<AVERAGE-NET-ASSETS> 11338358
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0
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<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.35
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information for the Short-Term
Investments Co. Liquid Assets Portfolio Cash Management Class for the
six month period ended February 29, 1996.
</LEGEND>
<CIK> 0000914638
<NAME> SHORT-TERM INVESTMENTS CO.
<SERIES>
<NUMBER> 7
<NAME> LIQUID ASSETS PORTFOLIO CASH MANAGEMENT CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> AUG-31-1996
<PERIOD-END> FEB-29-1996
<INVESTMENTS-AT-COST> 1548740454
<INVESTMENTS-AT-VALUE> 1548740454
<RECEIVABLES> 3117370
<ASSETS-OTHER> 72262
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1551930086
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 11525215
<TOTAL-LIABILITIES> 11525215
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1542280484
<SHARES-COMMON-STOCK> 1542280484
<SHARES-COMMON-PRIOR> 1287599788
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (1875613)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 1540404871
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 52532273
<OTHER-INCOME> 0
<EXPENSES-NET> 358165
<NET-INVESTMENT-INCOME> 52174108
<REALIZED-GAINS-CURRENT> (1738483)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 50435625
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (52174108)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 23059777083
<NUMBER-OF-SHARES-REDEEMED> (22807557541)
<SHARES-REINVESTED> 2461154
<NET-CHANGE-IN-ASSETS> 252942213
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (137130)
<OVERDISTRIB-NII-PRIOR> 0
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<GROSS-EXPENSE> 1674535
<AVERAGE-NET-ASSETS> 6737077
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.01
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> (0.01)
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<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.12
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information for the Short-Term
Investments Co. Prime Portfolio Resource Class for the six
month period ended February 29, 1996.
</LEGEND>
<CIK> 0000914638
<NAME> SHORT-TERM INVESTMENTS CO.
<SERIES>
<NUMBER> 8
<NAME> PRIME PORTFOLIO REOURCE CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> AUG-31-1996
<PERIOD-END> FEB-29-1996
<INVESTMENTS-AT-COST> 5215773462
<INVESTMENTS-AT-VALUE> 5215773462
<RECEIVABLES> 40289545
<ASSETS-OTHER> 1291109
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5257354116
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<OTHER-ITEMS-LIABILITIES> 24816417
<TOTAL-LIABILITIES> 24816417
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 5232549627
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<SHARES-COMMON-PRIOR> 4201092165
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<ACCUMULATED-NET-GAINS> (11928)
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<DIVIDEND-INCOME> 0
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<DISTRIBUTIONS-OF-GAINS> 0
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<NUMBER-OF-SHARES-SOLD> 19027764662
<NUMBER-OF-SHARES-REDEEMED> (18009637620)
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<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.25
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<AVG-DEBT-PER-SHARE> 0
</TABLE>
