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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 7
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<PAGE> PAGE 8
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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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070 C011200 N
070 C021200 N
070 D011200 N
070 D021200 N
070 E011200 N
070 E021200 N
070 F011200 N
070 F021200 N
<PAGE> PAGE 21
070 G011200 N
070 G021200 N
070 H011200 N
070 H021200 N
070 I011200 N
070 I021200 N
070 J011200 N
070 J021200 N
070 K011200 N
070 K021200 N
070 L011200 N
070 L021200 N
070 M011200 N
070 M021200 N
070 N011200 N
070 N021200 N
070 O011200 N
070 O021200 N
070 P011200 N
070 P021200 N
070 Q011200 N
070 Q021200 N
070 R011200 N
070 R021200 N
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071 B001200 0
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072 J001200 8
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<PAGE> PAGE 22
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072 Y001200 113
072 Z001200 6998
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<PAGE> PAGE 23
025 D001301 106600
025 A001302 SWISS BANK GOVERNMENT SECURITIES, INC.
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025 A001303 MORGAN (J.P.) SECURITIES, INC.
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025 C001303 D
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025 A001304 BARCLAYS DE ZOETTE WEDD SECURITIES, INC.
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025 A001305 NESBITT THOMSON SECURITIES, INC.
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025 C001305 D
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025 A001306 DEUTSCHE BANK CAPITAL CORP.
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<PAGE> PAGE 24
028 H001300 0
034 001300 N
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039 001300 N
040 001300 Y
041 001300 Y
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<PAGE> PAGE 25
055 B001300 N
056 001300 N
057 001300 N
058 A001300 N
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060 A001300 Y
060 B001300 Y
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070 A011300 Y
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070 C021300 N
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070 D021300 N
070 E011300 N
070 E021300 N
070 F011300 N
070 F021300 N
070 G011300 N
070 G021300 N
070 H011300 N
070 H021300 N
070 I011300 N
070 I021300 N
070 J011300 N
070 J021300 N
070 K011300 N
070 K021300 N
<PAGE> PAGE 26
070 L011300 N
070 L021300 N
070 M011300 N
070 M021300 N
070 N011300 N
070 N021300 N
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070 O021300 N
070 P011300 N
070 P021300 N
070 Q011300 N
070 Q021300 N
070 R011300 N
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<PAGE> PAGE 27
073 A011300 0.0535
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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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SIGNATURE JOHN J. ARTHUR
TITLE SR. V.P. & TREASURER
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<TABLE> <S> <C>
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<LEGEND>
This schedule contains summary financial information for the Short-Term
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<CIK> 0000205007
<NAME> SHORT-TERM INVESTMENTS TRUST
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<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 457072217
<SHARES-COMMON-STOCK> 457072217
<SHARES-COMMON-PRIOR> 399731067
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 123933
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 457196150
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 23434439
<OTHER-INCOME> 0
<EXPENSES-NET> (947135)
<NET-INVESTMENT-INCOME> 22487304
<REALIZED-GAINS-CURRENT> 55902
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 22543206
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (22487304)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2104256584
<NUMBER-OF-SHARES-REDEEMED> 2047411318
<SHARES-REINVESTED> 495884
<NET-CHANGE-IN-ASSETS> 57397052
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 68031
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 791921
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1088861
<AVERAGE-NET-ASSETS> 424432042
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.05)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.20
<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 Trust Treasury Portfolio-Private Investment Class for the
year ended August 31, 1996.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT-TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 11
<NAME> TREASURY PORTFOLIO-PRIVATE INVESTMENT CLASS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> AUG-31-1996
<PERIOD-END> AUG-31-1996
<INVESTMENTS-AT-COST> 3885231938
<INVESTMENTS-AT-VALUE> 3885231938
<RECEIVABLES> 9950056
<ASSETS-OTHER> 199121
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3895381115
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 191489975
<TOTAL-LIABILITIES> 191489975
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 3703242819
<SHARES-COMMON-STOCK> 3703242819
<SHARES-COMMON-PRIOR> 3259810478
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 648321
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 3703891140
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 198959801
<OTHER-INCOME> 0
<EXPENSES-NET> (5611587)
<NET-INVESTMENT-INCOME> 193348214
<REALIZED-GAINS-CURRENT> 490127
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 193838341
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (193348214)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 23478756059
<NUMBER-OF-SHARES-REDEEMED> 23061744286
<SHARES-REINVESTED> 26420568
<NET-CHANGE-IN-ASSETS> 443922468
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 158194
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2227788
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5725087
<AVERAGE-NET-ASSETS> 407231329
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.05)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.39
<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 Trust Treasury Portfolio-Personal Investment Class for the
year ended August 31, 1996.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT-TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 12
<NAME> TREASURY PORTFOLIO-PERSONAL INVESTMENT CLASS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> AUG-31-1996
<PERIOD-END> AUG-31-1996
<INVESTMENTS-AT-COST> 3885231938
<INVESTMENTS-AT-VALUE> 3885231938
<RECEIVABLES> 9950056
<ASSETS-OTHER> 199121
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3895381115
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 191489975
<TOTAL-LIABILITIES> 191489975
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 3703242819
<SHARES-COMMON-STOCK> 3703242819
<SHARES-COMMON-PRIOR> 3259810478
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 648321
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 3703891140
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 198959801
<OTHER-INCOME> 0
<EXPENSES-NET> (5611587)
<NET-INVESTMENT-INCOME> 193348214
<REALIZED-GAINS-CURRENT> 490127
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 193838341
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (193348214)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 23478756059
<NUMBER-OF-SHARES-REDEEMED> 23061744286
<SHARES-REINVESTED> 26420568
<NET-CHANGE-IN-ASSETS> 443922468
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 158194
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2227788
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5726087
<AVERAGE-NET-ASSETS> 142591904
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.05)
<RETURNS-OF-CAPITAL> 0
<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 Trust Treasury Portfolio-Cash Management Class for the year
ended August 31, 1996.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT-TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 13
<NAME> TREASURY PORTFOLIO-CASH MANAGEMENT CLASS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> AUG-31-1996
<PERIOD-END> AUG-31-1996
<INVESTMENTS-AT-COST> 3885231938
<INVESTMENTS-AT-VALUE> 3885231938
<RECEIVABLES> 9950056
<ASSETS-OTHER> 199121
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3895381115
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 191489975
<TOTAL-LIABILITIES> 191489975
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 3703242819
<SHARES-COMMON-STOCK> 3703242819
<SHARES-COMMON-PRIOR> 3259810478
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 648321
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 3703891140
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 198959801
<OTHER-INCOME> 0
<EXPENSES-NET> (5611587)
<NET-INVESTMENT-INCOME> 193348214
<REALIZED-GAINS-CURRENT> 490127
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 193838341
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (193348214)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 23478756059
<NUMBER-OF-SHARES-REDEEMED> 23061744286
<SHARES-REINVESTED> 26420568
<NET-CHANGE-IN-ASSETS> 443922468
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 158194
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2227788
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5725087
<AVERAGE-NET-ASSETS> 547363692
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.05)
<RETURNS-OF-CAPITAL> 0
<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 Trust Treasury Tax-Advantage Portfolio-Private Class for the
year ended August 31, 1996.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT-TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 14
<NAME> TREASURY TAX-ADVANTAGE PORTFOLIO-PRIVATE CLASS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> AUG-31-1996
<PERIOD-END> AUG-31-1996
<INVESTMENTS-AT-COST> 456110700
<INVESTMENTS-AT-VALUE> 456110700
<RECEIVABLES> 52748920
<ASSETS-OTHER> 28852
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 508888472
<PAYABLE-FOR-SECURITIES> 49579246
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2113076
<TOTAL-LIABILITIES> 51692322
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 457072217
<SHARES-COMMON-STOCK> 457072217
<SHARES-COMMON-PRIOR> 399731067
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 123933
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 457196150
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 23434439
<OTHER-INCOME> 0
<EXPENSES-NET> (947135)
<NET-INVESTMENT-INCOME> 22487304
<REALIZED-GAINS-CURRENT> 55902
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 22543206
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (22487304)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2107256584
<NUMBER-OF-SHARES-REDEEMED> 2047411318
<SHARES-REINVESTED> 495884
<NET-CHANGE-IN-ASSETS> 57397052
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 68031
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 791921
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1088861
<AVERAGE-NET-ASSETS> 21111080
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.05)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.45
<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 Trust Treasury Portfolio-Resource Class for the twelve month
period ended August 31, 1996.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT-TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 15
<NAME> TREASURY PORTFOLIO-RESOURCE CLASS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> AUG-31-1996
<PERIOD-END> AUG-31-1996
<INVESTMENTS-AT-COST> 3885231938
<INVESTMENTS-AT-VALUE> 3885231938
<RECEIVABLES> 9950056
<ASSETS-OTHER> 199121
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3895381115
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 191489975
<TOTAL-LIABILITIES> 191489975
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 3703242819
<SHARES-COMMON-STOCK> 3703242819
<SHARES-COMMON-PRIOR> 3259810478
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 648321
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 3703891140
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 198959801
<OTHER-INCOME> 0
<EXPENSES-NET> (5611587)
<NET-INVESTMENT-INCOME> 193348214
<REALIZED-GAINS-CURRENT> 490127
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 193838341
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (193348214)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 23478756059
<NUMBER-OF-SHARES-REDEEMED> 23061744286
<SHARES-REINVESTED> 26420568
<NET-CHANGE-IN-ASSETS> 443922468
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 158194
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2227788
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5725087
<AVERAGE-NET-ASSETS> 41695963
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.03
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.03)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.25
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
