AIM INVESTMENT SECURITIES FUNDS INC
NSAR-A, 1995-03-30
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<PAGE>      PAGE  1
000 A000000 01/31/95
000 C000000 842790
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 U
001 A000000 AIM INVESTMENT SECURITIES FUND
001 B000000 811-5686
001 C000000 7136261919
002 A000000 11 GREENWAY PLAZA, SUITE 1919
002 B000000 HOUSTON
002 C000000 TX
002 D010000 77046
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 Y
007 B000000  3
007 C010100  1
007 C020100 AIM ADJUSTABLE RATE GOVERNMENT FUND
007 C030100 Y
007 C010200  2
007 C020200 LIMITED MATURITY TREASURY PORTFOLIO-INSTITUTI
007 C030200 N
007 C010300  3
007 C020300 AIM LIMITED MATURITY TREASURY SHARES
007 C030300 N
007 C010400  4
007 C010500  5
007 C010600  6
007 C010700  7
007 C010800  8
007 C010900  9
007 C011000 10
008 A00AA01 AIM ADVISORS, INC.
008 B00AA01 A
008 C00AA01 801-12313
008 D01AA01 HOUSTON
008 D02AA01 TX
008 D03AA01 77046
013 A00AA01 KPMG PEAT MARWICK LLP
013 B01AA01 HOUSTON
013 B02AA01 TX
013 B03AA01 77002
020 C000001      0
020 C000002      0
020 C000003      0
<PAGE>      PAGE  2
020 C000004      0
020 C000005      0
020 C000006      0
020 C000007      0
020 C000008      0
020 C000009      0
020 C000010      0
021  000000        0
022 A000001 GOLDMAN, SACHS & CO.
022 B000001 13-5108880
022 C000001    669530
022 D000001     18040
022 A000002 MORGAN STANLEY & CO., INC.
022 B000002 13-2655998
022 C000002    193027
022 D000002     60719
022 A000003 DAIWA SECURITIES AMERICA INC.
022 B000003 13-5680329
022 C000003    144258
022 D000003         0
022 A000004 SALOMON BROTHERS INC.
022 B000004 13-3082694
022 C000004     53319
022 D000004     77953
022 A000005 MERRILL LYNCH, PIERCE, FENNER & SMITH INC.
022 B000005 13-5674085
022 C000005     58810
022 D000005     33064
022 A000006 CITICORP SECURITIES MARKETS, INC.
022 B000006 13-2771536
022 C000006     43643
022 D000006     43524
022 A000007 CHEMICAL SECURITIES, INC.
022 B000007 13-3379014
022 C000007      5075
022 D000007     50023
022 A000008 BARCLAY DE ZOETE WEDD INC.
022 B000008 13-3410233
022 C000008     52894
022 D000008         0
022 A000009 DEAN WITTER REYNOLDS INC.
022 B000009 94-1671384
022 C000009     15966
022 D000009     28006
022 A000010 KIDDER, PEABODY & CO.
022 B000010 13-5650440
022 C000010     25393
022 D000010     16604
023 C000000    1367304
023 D000000     394724
024  00AA00 N
<PAGE>      PAGE  3
026 A000000 Y
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027  000000 Y
054 A00AA00 Y
054 B00AA00 N
054 C00AA00 N
054 D00AA00 N
054 E00AA00 N
054 F00AA00 N
054 G00AA00 N
054 H00AA00 Y
054 I00AA00 N
054 J00AA00 Y
054 K00AA00 N
054 L00AA00 N
054 M00AA00 Y
054 N00AA00 N
054 O00AA00 N
066 A00AA00 N
067  00AA00 N
068 A00AA00 N
068 B00AA00 N
069  00AA00 N
077 A000000 Y
077 C000000 Y
077 M000000 Y
077 Q010000 Y
078  000000 N
011 A000101 AIM DISTRIBUTORS, INC.
011 B000101 8-21323
011 C010101 HOUSTON
011 C020101 TX
011 C030101 77046
012 A000101 AIM FUND SERVICES, INC.
012 B000101 84-5432
012 C010101 HOUSTON
012 C020101 TX
012 C030101 77210
012 C040101 4739
015 A000101 STATE STREET BANK & TRUST CO.
015 B000101 C
015 C010101 BOSTON
015 C020101 MA
015 C030101 02110
<PAGE>      PAGE  4
015 E010101 X
018  000100 Y
019 A000100 Y
019 B000100   44
019 C000100 AIMFUNDSAA
028 A010100      1609
028 A020100       138
028 A030100         0
028 A040100      4649
028 B010100       584
028 B020100       141
028 B030100         0
028 B040100      1352
028 C010100       258
028 C020100       155
028 C030100         0
028 C040100      3586
028 D010100       177
028 D020100        19
028 D030100         0
028 D040100      3848
028 E010100         0
028 E020100         0
028 E030100         0
028 E040100         0
028 F010100         0
028 F020100         0
028 F030100         0
028 F040100         0
028 G010100      2628
028 G020100       453
028 G030100         0
028 G040100     13435
028 H000100       380
029  000100 Y
030 A000100      4
030 B000100  1.00
030 C000100  0.00
031 A000100      2
031 B000100      0
032  000100      2
033  000100      0
034  000100 N
035  000100      0
036 B000100      0
037  000100 N
038  000100      0
039  000100 N
040  000100 Y
041  000100 Y
042 A000100   0
<PAGE>      PAGE  5
042 B000100   0
042 C000100 100
042 D000100   0
042 E000100   0
042 F000100   0
042 G000100   0
042 H000100   0
043  000100     38
044  000100      0
045  000100 Y
046  000100 N
047  000100 Y
048  000100  0.000
048 A010100   500000
048 A020100 0.500
048 B010100        0
048 B020100 0.000
048 C010100        0
048 C020100 0.000
048 D010100        0
048 D020100 0.000
048 E010100        0
048 E020100 0.000
048 F010100        0
048 F020100 0.000
048 G010100        0
048 G020100 0.000
048 H010100        0
048 H020100 0.000
048 I010100        0
048 I020100 0.000
048 J010100        0
048 J020100 0.000
048 K010100   500000
048 K020100 0.400
049  000100 N
050  000100 N
051  000100 N
052  000100 N
053 A000100 Y
053 B000100 Y
053 C000100 N
055 A000100 N
055 B000100 N
056  000100 N
057  000100 N
058 A000100 N
059  000100 Y
060 A000100 Y
060 B000100 Y
061  000100      500
<PAGE>      PAGE  6
062 A000100 Y
062 B000100   0.0
062 C000100   0.0
062 D000100   0.0
062 E000100   0.0
062 F000100   0.0
062 G000100   0.0
062 H000100   0.0
062 I000100   0.0
062 J000100   0.0
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062 L000100   0.0
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062 R000100   0.0
063 A000100   0
063 B000100  0.0
070 A010100 Y
070 A020100 Y
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070 B020100 N
070 C010100 Y
070 C020100 N
070 D010100 N
070 D020100 N
070 E010100 Y
070 E020100 N
070 F010100 N
070 F020100 N
070 G010100 Y
070 G020100 N
070 H010100 N
070 H020100 N
070 I010100 N
070 I020100 N
070 J010100 N
070 J020100 N
070 K010100 N
070 K020100 N
070 L010100 N
070 L020100 N
070 M010100 N
070 M020100 N
070 N010100 Y
070 N020100 N
070 O010100 Y
070 O020100 Y
070 P010100 Y
<PAGE>      PAGE  7
070 P020100 N
070 Q010100 N
070 Q020100 N
070 R010100 N
070 R020100 N
071 A000100         0
071 B000100     29412
071 C000100         0
071 D000100    0
072 A000100  4
072 B000100      900
072 C000100        0
072 D000100        0
072 E000100        0
072 F000100        0
072 G000100        0
072 H000100        0
072 I000100       19
072 J000100        4
072 K000100        0
072 L000100      -27
072 M000100        1
072 N000100       33
072 O000100        0
072 P000100        0
072 Q000100       13
072 R000100       24
072 S000100       30
072 T000100       38
072 U000100        0
072 V000100        0
072 W000100       54
072 X000100      189
072 Y000100      104
072 Z000100      815
072AA000100        0
072BB000100      867
072CC010100        0
072CC020100        0
072DD010100      830
072DD020100        0
072EE000100        0
073 A010100   0.1500
073 A020100   0.0000
073 B000100   0.0000
073 C000100   0.0000
074 A000100        0
074 B000100        0
074 C000100        0
074 D000100        0
074 E000100        0
<PAGE>      PAGE  8
074 F000100        0
074 G000100        0
074 H000100        0
074 I000100        0
074 J000100        0
074 K000100        0
074 L000100        0
074 M000100        0
074 N000100        0
074 O000100        0
074 P000100        0
074 Q000100        0
074 R010100        0
074 R020100        0
074 R030100        0
074 R040100        0
074 S000100        0
074 T000100        0
074 U010100        0
074 U020100        0
074 V010100     0.00
074 V020100     0.00
074 W000100   0.0000
074 X000100        0
074 Y000100        0
075 A000100        0
075 B000100   537155
076  000100     0.00
011 A000201 (FMC) FUND MANAGEMENT COMPANY
011 B000201 8-41848
011 C010201 HOUSTON
011 C020201 TX
011 C030201 77046
012 A000201 STATE STREET BANK & TRUST CO.
012 B000201 85-5003
012 C010201 BOSTON
012 C020201 MA
012 C030201 02110
012 A000202 AIM INSTITUTIONAL FUND SERVICES,INC.
012 B000202 84-5541
012 C010202 HOUSTON
012 C020202 TX
012 C030202 77046
012 C040202 1173
015 A000201 BANK OF NEW YORK
015 B000201 C
015 C010201 NEW YORK
015 C020201 NY
015 C030201 10249
015 E010201 X
018  000200 Y
<PAGE>      PAGE  9
019 A000200 Y
019 B000200   44
019 C000200 AIMFUNDSAA
028 A010200       112
028 A020200        71
028 A030200         0
028 A040200      6517
028 B010200       381
028 B020200        72
028 B030200         0
028 B040200      2864
028 C010200       375
028 C020200        79
028 C030200         0
028 C040200      1396
028 D010200       222
028 D020200        81
028 D030200         0
028 D040200       930
028 E010200       598
028 E020200        88
028 E030200         0
028 E040200      2171
028 F010200       747
028 F020200        94
028 F030200         0
028 F040200      1567
028 G010200      2435
028 G020200       485
028 G030200         0
028 G040200     15445
028 H000200         0
029  000200 N
030 A000200      0
030 B000200  0.00
030 C000200  0.00
034  000200 N
035  000200      0
036 B000200      0
037  000200 N
038  000200      0
039  000200 N
040  000200 N
045  000200 Y
046  000200 N
047  000200 Y
048  000200  0.000
048 A010200   500000
048 A020200 0.200
048 B010200        0
048 B020200 0.000
<PAGE>      PAGE  10
048 C010200        0
048 C020200 0.000
048 D010200        0
048 D020200 0.000
048 E010200        0
048 E020200 0.000
048 F010200        0
048 F020200 0.000
048 G010200        0
048 G020200 0.000
048 H010200        0
048 H020200 0.000
048 I010200        0
048 I020200 0.000
048 J010200        0
048 J020200 0.000
048 K010200   500000
048 K020200 0.175
049  000200 N
050  000200 N
051  000200 N
052  000200 N
053 A000200 N
055 A000200 N
055 B000200 N
056  000200 N
057  000200 N
058 A000200 N
059  000200 Y
060 A000200 Y
060 B000200 Y
061  000200  1000000
062 A000200 Y
062 B000200   0.0
062 C000200   0.0
062 D000200   0.0
062 E000200   0.0
062 F000200   0.0
062 G000200   0.0
062 H000200   0.0
062 I000200   0.0
062 J000200   0.0
062 K000200   0.0
062 L000200   0.0
062 M000200  98.8
062 N000200   0.0
062 O000200   0.0
062 P000200   0.0
062 Q000200   0.0
062 R000200   0.0
063 A000200   0
<PAGE>      PAGE  11
063 B000200  1.5
064 A000200 N
070 A010200 Y
070 A020200 N
070 B010200 N
070 B020200 N
070 C010200 N
070 C020200 N
070 D010200 N
070 D020200 N
070 E010200 N
070 E020200 N
070 F010200 N
070 F020200 N
070 G010200 N
070 G020200 N
070 H010200 N
070 H020200 N
070 I010200 N
070 I020200 N
070 J010200 N
070 J020200 N
070 K010200 N
070 K020200 N
070 L010200 N
070 L020200 N
070 M010200 N
070 M020200 N
070 N010200 Y
070 N020200 N
070 O010200 Y
070 O020200 N
070 P010200 Y
070 P020200 N
070 Q010200 N
070 Q020200 N
070 R010200 N
070 R020200 N
071 A000200    248285
071 B000200    365555
071 C000200    367457
071 D000200   59
072 A000200  6
072 B000200     3436
072 C000200        0
072 D000200        0
072 E000200        0
072 F000200      126
072 G000200        0
072 H000200        0
072 I000200        2
<PAGE>      PAGE  12
072 J000200        1
072 K000200        0
072 L000200        7
072 M000200        1
072 N000200        8
072 O000200        0
072 P000200        0
072 Q000200        8
072 R000200        2
072 S000200        2
072 T000200        0
072 U000200        0
072 V000200        0
072 W000200        6
072 X000200      163
072 Y000200        0
072 Z000200     3273
072AA000200        1
072BB000200     1935
072CC010200      594
072CC020200        0
072DD010200     3273
072DD020200        0
072EE000200        0
073 A010200   0.2600
073 A020200   0.0000
073 B000200   0.0000
073 C000200   0.0000
074 A000200      307
074 B000200        0
074 C000200        0
074 D000200   119666
074 E000200        0
074 F000200        0
074 G000200        0
074 H000200        0
074 I000200        0
074 J000200        0
074 K000200        0
074 L000200     1803
074 M000200       55
074 N000200   121831
074 O000200        0
074 P000200        0
074 Q000200        0
074 R010200        0
074 R020200        0
074 R030200        0
074 R040200      658
074 S000200        0
074 T000200   121173
<PAGE>      PAGE  13
074 U010200    12290
074 U020200        0
074 V010200     9.86
074 V020200     0.00
074 W000200   0.0000
074 X000200       13
074 Y000200        0
075 A000200        0
075 B000200   125455
076  000200     0.00
011 A000301 AIM DISTRIBUTORS, INC.
011 B000301 8-21323
011 C010301 HOUSTON
011 C020301 TX
011 C030301 77046
012 A000301 AIM FUNDS SERVICES, INC.
012 B000301 84-5432
012 C010301 HOUSTON
012 C020301 TX
012 C030301 77210
012 C040301 4739
015 A000301 BANK OF NEW YORK
015 B000301 C
015 C010301 NEW YORK
015 C020301 NY
015 C030301 10249
015 E010301 X
018  000300 Y
019 A000300 Y
019 B000300   44
019 C000300 AIMFUNDSAA
028 A010300      4456
028 A020300       852
028 A030300         0
028 A040300     20697
028 B010300     21206
028 B020300       847
028 B030300         0
028 B040300     41196
028 C010300     21222
028 C020300       850
028 C030300         0
028 C040300     20795
028 D010300     13348
028 D020300       863
028 D030300         0
028 D040300     22724
028 E010300      8130
028 E020300       859
028 E030300         0
028 E040300     25856
<PAGE>      PAGE  14
028 F010300      8922
028 F020300       885
028 F030300         0
028 F040300     12321
028 G010300     77284
028 G020300      5156
028 G030300         0
028 G040300    143589
028 H000300     15078
029  000300 Y
030 A000300    125
030 B000300  1.00
030 C000300  0.00
031 A000300     30
031 B000300      0
032  000300     95
033  000300      0
034  000300 N
035  000300      0
036 B000300      0
037  000300 N
038  000300      0
039  000300 N
040  000300 Y
041  000300 Y
042 A000300   0
042 B000300   0
042 C000300 100
042 D000300   0
042 E000300   0
042 F000300   0
042 G000300   0
042 H000300   0
043  000300    222
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045  000300 Y
046  000300 N
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048  000300  0.000
048 A010300   500000
048 A020300 0.200
048 B010300        0
048 B020300 0.000
048 C010300        0
048 C020300 0.000
048 D010300        0
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048 E010300        0
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048 F010300        0
048 F020300 0.000
<PAGE>      PAGE  15
048 G010300        0
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048 I020300 0.000
048 J010300        0
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048 K010300   500000
048 K020300 0.175
049  000300 N
050  000300 N
051  000300 N
052  000300 N
053 A000300 N
055 A000300 N
055 B000300 N
056  000300 N
057  000300 N
058 A000300 N
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060 A000300 Y
060 B000300 Y
061  000300      500
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062 B000300   0.0
062 C000300   0.0
062 D000300   0.0
062 E000300   0.0
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062 H000300   0.0
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062 J000300   0.0
062 K000300   0.0
062 L000300   0.0
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062 O000300   0.0
062 P000300   0.0
062 Q000300   0.0
062 R000300   0.0
063 A000300   0
063 B000300  1.5
064 A000300 N
070 A010300 Y
070 A020300 N
070 B010300 N
070 B020300 N
070 C010300 N
070 C020300 N
<PAGE>      PAGE  16
070 D010300 N
070 D020300 N
070 E010300 N
070 E020300 N
070 F010300 N
070 F020300 N
070 G010300 N
070 G020300 N
070 H010300 N
070 H020300 N
070 I010300 N
070 I020300 N
070 J010300 N
070 J020300 N
070 K010300 N
070 K020300 N
070 L010300 N
070 L020300 N
070 M010300 N
070 M020300 N
070 N010300 Y
070 N020300 N
070 O010300 Y
070 O020300 N
070 P010300 Y
070 P020300 N
070 Q010300 N
070 Q020300 N
070 R010300 N
070 R020300 N
071 A000300    248285
071 B000300    365555
071 C000300    367457
071 D000300   59
072 A000300  6
072 B000300     8061
072 C000300        0
072 D000300        0
072 E000300        0
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<PAGE>      PAGE  17
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072EE000300        0
073 A010300   0.2500
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073 C000300   0.0000
074 A000300      672
074 B000300        0
074 C000300        0
074 D000300   262287
074 E000300        0
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074 J000300        0
074 K000300        0
074 L000300     3969
074 M000300      104
074 N000300   267032
074 O000300        0
074 P000300        0
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074 R010300        0
074 R020300        0
074 R030300        0
074 R040300     1428
074 S000300        0
074 T000300   265604
074 U010300    26938
074 U020300        0
074 V010300     9.86
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074 W000300   0.0000
074 X000300    13971
074 Y000300        0
075 A000300        0
<PAGE>      PAGE  18
075 B000300   292584
076  000300     0.00
SIGNATURE   JONN J. ARTHUR                               
TITLE       SR. V.P. & TREASURER
 


<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information for the AIM Ajustable Rate
Mortgage Fund which ceased operations on November 18, 1994.
</LEGEND>
<CIK> 0000842790
<NAME> AIM INVESTMENTS SECURITIES FUNDS, INC.
<SERIES>
   <NUMBER> 1
   <NAME> AIM ADJUSTABLE RATE MORTGAGE FUND
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-1994
<PERIOD-END>                               JAN-31-1995
<INVESTMENTS-AT-COST>                                0
<INVESTMENTS-AT-VALUE>                               0
<RECEIVABLES>                                        0
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                       0
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                            0
<TOTAL-LIABILITIES>                                  0
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                             0
<SHARES-COMMON-STOCK>                                0
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
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<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                             0
<NET-ASSETS>                                         0
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                               899683
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                   97653
<NET-INVESTMENT-INCOME>                         802030
<REALIZED-GAINS-CURRENT>                      (867478)
<APPREC-INCREASE-CURRENT>                       695586
<NET-CHANGE-FROM-OPS>                           630138
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                     (830110)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                         259920
<NUMBER-OF-SHARES-REDEEMED>                  (1407327)
<SHARES-REINVESTED>                              61771
<NET-CHANGE-IN-ASSETS>                               0
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                    (1800173)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                                0
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  97653
<AVERAGE-NET-ASSETS>                          54689520
<PER-SHARE-NAV-BEGIN>                             9.63
<PER-SHARE-NII>                                   .137
<PER-SHARE-GAIN-APPREC>                         (.131)
<PER-SHARE-DIVIDEND>                            (.146)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.49
<EXPENSE-RATIO>                                    .18
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information for the Institutional
Shares of the Limited Maturity Treasury Portfolio for the six months ended
January 31, 1995.
</LEGEND>
<CIK> 0000842790
<NAME> AIM INVESTMENTS SECURITIES FUNDS, INC.
<SERIES>
   <NUMBER> 2
   <NAME> LIMITED MATURITIES - INSTITUTIONAL SHARES
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-1995
<PERIOD-END>                               JAN-31-1995
<INVESTMENTS-AT-COST>                        385348023
<INVESTMENTS-AT-VALUE>                       381953347
<RECEIVABLES>                                  5750059
<ASSETS-OTHER>                                 1159347
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                               388862753
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                      2085535
<TOTAL-LIABILITIES>                            2085535
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     399401341
<SHARES-COMMON-STOCK>                         39228300
<SHARES-COMMON-PRIOR>                         46686849
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                      (9229446)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                     (3394676)
<NET-ASSETS>                                 386777218
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                             11497181
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  890982
<NET-INVESTMENT-INCOME>                       10606199
<REALIZED-GAINS-CURRENT>                     (6442357)
<APPREC-INCREASE-CURRENT>                      1978608
<NET-CHANGE-FROM-OPS>                          6142450
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                   (10606199)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        8070065
<NUMBER-OF-SHARES-REDEEMED>                 (16100449)
<SHARES-REINVESTED>                             571832
<NET-CHANGE-IN-ASSETS>                      (78136685)
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                    (2787090)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                           421338
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 890982
<AVERAGE-NET-ASSETS>                         124833674
<PER-SHARE-NAV-BEGIN>                             9.96
<PER-SHARE-NII>                                    .26
<PER-SHARE-GAIN-APPREC>                          (.10)
<PER-SHARE-DIVIDEND>                             (.26)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.86
<EXPENSE-RATIO>                                    .26
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information for the AIM Limited
Maturity Treasury Shares of the Limited Maturity Treasury Portfolio for the 
six months ended January 31, 1995
</LEGEND>
<CIK> 0000842790
<NAME> AIM INVESTMENT SECURITIES FUNDS,INC.
<SERIES>
   <NUMBER> 3
   <NAME> AIM LIMITED MATURITIES TREASURY SHARES
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-1995
<PERIOD-END>                               JAN-31-1995
<INVESTMENTS-AT-COST>                        385348023
<INVESTMENTS-AT-VALUE>                       381953347
<RECEIVABLES>                                  5750059
<ASSETS-OTHER>                                 1159347
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                               388862753
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                      2085535
<TOTAL-LIABILITIES>                            2085535
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     399401341
<SHARES-COMMON-STOCK>                         39228300
<SHARES-COMMON-PRIOR>                         46686849
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                      (9229446)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                     (3394676)
<NET-ASSETS>                                 386777218
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                             11497181
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  890982
<NET-INVESTMENT-INCOME>                       10606199
<REALIZED-GAINS-CURRENT>                     (6442357)
<APPREC-INCREASE-CURRENT>                      1978608
<NET-CHANGE-FROM-OPS>                          6142450
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                   (10606199)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        8070065
<NUMBER-OF-SHARES-REDEEMED>                 (16100449)
<SHARES-REINVESTED>                             571832
<NET-CHANGE-IN-ASSETS>                      (78136685)
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                    (2787090)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                           421338
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 890982
<AVERAGE-NET-ASSETS>                         293020866
<PER-SHARE-NAV-BEGIN>                             9.96
<PER-SHARE-NII>                                    .25
<PER-SHARE-GAIN-APPREC>                          (.10)
<PER-SHARE-DIVIDEND>                             (.25)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.86
<EXPENSE-RATIO>                                    .49
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>


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