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<PAGE> PAGE 2
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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 13
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<PAGE> PAGE 15
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<PAGE> PAGE 21
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<PAGE> PAGE 22
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050 000500 N
051 000500 N
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<PAGE> PAGE 23
062 C000500 15.5
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070 F010500 N
070 F020500 N
070 G010500 N
070 G020500 N
070 H010500 N
070 H020500 N
070 I010500 N
070 I020500 N
070 J010500 N
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070 K020500 N
070 L010500 N
070 L020500 N
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<PAGE> PAGE 24
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<PAGE> PAGE 25
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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 fund for the twelve
month period ended August 31, 1995.
</LEGEND>
<CIK> 0000914638
<NAME> SHORT-TERM INVESTMENTS CO.
<SERIES>
<NUMBER> 001
<NAME> PRIME PORTFOLIO INSTITUTIONAL CLASS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> AUG-31-1995
<PERIOD-END> AUG-31-1995
<INVESTMENTS-AT-COST> 4219055792
<INVESTMENTS-AT-VALUE> 4219055792
<RECEIVABLES> 1395798
<ASSETS-OTHER> 1383194
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 4221834784
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<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 20754672
<TOTAL-LIABILITIES> 20754672
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4201092165
<SHARES-COMMON-STOCK> 4201092165
<SHARES-COMMON-PRIOR> 4115025404
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<DISTRIBUTIONS-OF-GAINS> 0
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<NUMBER-OF-SHARES-SOLD> 33109920312
<NUMBER-OF-SHARES-REDEEMED> (33036847440)
<SHARES-REINVESTED> 12993889
<NET-CHANGE-IN-ASSETS> 86066761
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<AVERAGE-NET-ASSETS> 4072096206
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<PER-SHARE-DISTRIBUTIONS> (0.06)
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<EXPENSE-RATIO> 0.09
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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 fund for the twelve month
period ended August 31, 1995.
</LEGEND>
<CIK> 0000914638
<NAME> SHORT-TERM INVESTMENTS CO.
<SERIES>
<NUMBER> 002
<NAME> PRIME PORTFOLIO PRIVATE CLASS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> AUG-31-1995
<PERIOD-END> AUG-31-1995
<INVESTMENTS-AT-COST> 4219055792
<INVESTMENTS-AT-VALUE> 4219055792
<RECEIVABLES> 1395798
<ASSETS-OTHER> 1383194
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 4221834784
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<OVERDISTRIBUTION-GAINS> (12053)
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<NUMBER-OF-SHARES-SOLD> 33109920312
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<GROSS-EXPENSE> 4685773
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<EXPENSE-RATIO> 0.39
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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 fund for the twelve month
period ended August 31, 1995.
</LEGEND>
<CIK> 0000914638
<NAME> SHORT-TERM INVESTMENTS CO.
<SERIES>
<NUMBER> 003
<NAME> PRIME PORTFOLIO PERSONAL CLASS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> AUG-31-1995
<PERIOD-END> AUG-31-1995
<INVESTMENTS-AT-COST> 4219055792
<INVESTMENTS-AT-VALUE> 4219055792
<RECEIVABLES> 1395798
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<OTHER-ITEMS-ASSETS> 0
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<PAYABLE-FOR-SECURITIES> 0
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<OTHER-ITEMS-LIABILITIES> 20754672
<TOTAL-LIABILITIES> 20754672
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<EXPENSES-NET> (4634873)
<NET-INVESTMENT-INCOME> 241891385
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<DISTRIBUTIONS-OF-INCOME> (241891385)
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<NUMBER-OF-SHARES-SOLD> 33109920312
<NUMBER-OF-SHARES-REDEEMED> (33036847440)
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<OVERDIST-NET-GAINS-PRIOR> (12053)
<GROSS-ADVISORY-FEES> 2567762
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 4685773
<AVERAGE-NET-ASSETS> 82612764
<PER-SHARE-NAV-BEGIN> 1.00
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<PER-SHARE-DISTRIBUTIONS> (0.50)
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<EXPENSE-RATIO> 0.59
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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 Cash Management Class fund for the twelve
month period ended August 31, 1995.
</LEGEND>
<CIK> 0000914638
<NAME> SHORT-TERM INVESTMENTS CO.
<SERIES>
<NUMBER> 004
<NAME> PRIME PORTFOLIO CASHMANAGEMENT CLASS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> AUG-31-1995
<PERIOD-END> AUG-31-1995
<INVESTMENTS-AT-COST> 4219055792
<INVESTMENTS-AT-VALUE> 4219055792
<RECEIVABLES> 1395798
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<TOTAL-LIABILITIES> 20754672
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<DISTRIBUTIONS-OF-INCOME> (241891385)
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<NUMBER-OF-SHARES-SOLD> 33109920312
<NUMBER-OF-SHARES-REDEEMED> (33036847440)
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<OVERDIST-NET-GAINS-PRIOR> (12053)
<GROSS-ADVISORY-FEES> 2567762
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<GROSS-EXPENSE> 4685773
<AVERAGE-NET-ASSETS> 18307649
<PER-SHARE-NAV-BEGIN> 1.00
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<PER-SHARE-DISTRIBUTIONS> (0.60)
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<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.17
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</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information for the Shor-Term
Invesetments Co. Liquid Assets Portfolio for the twelve month period
ended August 31, 1995.
</LEGEND>
<CIK> 0000914638
<NAME> SHORT-TERM INVESTMENTS CO.
<SERIES>
<NUMBER> 005
<NAME> LIQUID ASSETS PORTFOLIO
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> AUG-31-1995
<PERIOD-END> AUG-31-1995
<INVESTMENTS-AT-COST> 1290375468
<INVESTMENTS-AT-VALUE> 1290375468
<RECEIVABLES> 5290124
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<SHARES-COMMON-STOCK> 1287599788
<SHARES-COMMON-PRIOR> 1028412003
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<NET-INVESTMENT-INCOME> 92913637
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</TABLE>
