<PAGE> PAGE 1
000 A000000 06/30/97
000 C000000 0001032078
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 A
001 A000000 MANAGED INCOME SECURITIES PLUS FUND, INC.
001 B000000 811-08045
001 C000000 2122729027
002 A000000 245 PARK AVENUE
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10167
003 000000 Y
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A000001 BEAR STEARNS FUNDS MANAGEMENT INC.
008 B000001 A
008 C000001 801-29862
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10167
010 A000001 BEAR STEARNS FUNDS MANAGEMENT INC.
010 B000001 801-29862
010 C010001 NEW YORK
010 C020001 NY
010 C030001 10167
010 A000002 PFPC INC.
010 B000002 85-1196
010 C010002 WILMINGTON
010 C020002 DE
010 C030002 19809
011 A000001 BEAR, STEARNS & CO. INC.
011 B000001 8-35008
011 C010001 NEW YORK
<PAGE> PAGE 2
011 C020001 NY
011 C030001 10167
012 A000001 PFPC INC.
012 B000001 85-1196
012 C010001 WILMINGTON
012 C020001 DE
012 C030001 19809
013 A000001 DELOITTE & TOUCHE LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10281
013 B040001 1434
014 A000001 BEAR, STEARNS & CO. INC.
014 B000001 8-35008
015 A000001 CUSTODIAL TRUST COMPANY
015 B000001 C
015 C010001 PRINCETON
015 C020001 NJ
015 C030001 08540
015 E030001 X
018 000000 Y
019 A000000 N
019 B000000 0
020 C000001 0
020 C000002 0
020 C000003 0
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 BARCLAYS DE ZOETE WEDD
022 B000001 13-3551367
022 C000001 251651
022 D000001 0
022 A000002 PAINE WEBBER
022 C000002 147916
022 D000002 5244
022 A000003 FIRST BOSTON CORP.
022 C000003 138394
022 D000003 0
022 A000004 CUSTODIAL TRUST CO.
022 C000004 66828
022 D000004 61475
022 A000005 FORD MOTOR CREDIT CORP.
022 C000005 125000
022 D000005 0
022 A000006 IBM CREDIT CORP.
<PAGE> PAGE 3
022 C000006 106000
022 D000006 0
022 A000007 ASSOCIATES CORP. OF NORTH AMERICA
022 C000007 104000
022 D000007 0
022 A000008 AMERICAN EXPRESS CREDIT CORP.
022 C000008 101000
022 D000008 0
022 A000009 MERRILL LYNCH & CO. INC.
022 B000009 13-5674085
022 C000009 100000
022 D000009 0
022 A000010 GENERAL ELECTRIC CAPITAL CORP.
022 C000010 77000
022 D000010 0
023 C000000 1417909
023 D000000 78756
024 000000 Y
025 A000001 FORD MOTOR CREDIT CORP.
025 C000001 D
025 D000001 26000
025 A000002 GENERAL ELECTRIC CAPITAL CORP.
025 C000002 D
025 D000002 26000
025 A000003 IBM CREDIT CORP.
025 C000003 D
025 D000003 26000
025 A000004 ASSOCIATES CORP. N.A.
025 C000004 D
025 D000004 26000
025 A000005 PRUDENTIAL FUNDING CORP.
025 C000005 D
025 D000005 26000
025 A000006 AMERICAN EXPRESS CREDIT CORP.
025 C000006 D
025 D000006 25000
025 A000007 MERRILL LYNCH & CO. INC.
025 C000007 D
025 D000007 25000
025 D000008 0
026 A000000 N
026 B000000 Y
026 C000000 Y
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 N
045 000000 Y
<PAGE> PAGE 4
046 000000 N
047 000000 Y
048 000000 0.075
048 A010000 0
048 A020000 0.000
048 B010000 0
048 B020000 0.000
048 C010000 0
048 C020000 0.000
048 D010000 0
048 D020000 0.000
048 E010000 0
048 E020000 0.000
048 F010000 0
048 F020000 0.000
048 G010000 0
048 G020000 0.000
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 0
048 K020000 0.000
049 000000 N
050 000000 N
051 000000 N
052 000000 N
053 A000000 N
054 A000000 Y
054 B000000 Y
054 C000000 N
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 N
054 H000000 N
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
054 O000000 N
055 A000000 N
055 B000000 N
056 000000 Y
057 000000 N
058 A000000 N
058 B000000 N
<PAGE> PAGE 5
058 C000000 N
058 D000000 N
058 E000000 N
059 000000 Y
060 A000000 N
060 B000000 N
061 000000 0
062 A000000 Y
062 B000000 0.0
062 C000000 26.7
062 D000000 0.0
062 E000000 0.0
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 34.6
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 36.8
062 N000000 0.0
062 O000000 0.0
062 P000000 0.0
062 Q000000 0.0
062 R000000 1.0
063 A000000 0
063 B000000 2.5
064 A000000 Y
064 B000000 N
066 A000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 N
070 B010000 Y
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 Y
070 D020000 N
070 E010000 Y
070 E020000 N
070 F010000 Y
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 Y
070 H020000 N
070 I010000 Y
<PAGE> PAGE 6
070 I020000 N
070 J010000 Y
070 J020000 N
070 K010000 Y
070 K020000 Y
070 L010000 Y
070 L020000 N
070 M010000 Y
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 Y
070 R020000 N
071 A000000 210872
071 B000000 17281
071 C000000 188546
071 D000000 9
072 A000000 6
072 B000000 11922
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 153
072 G000000 0
072 H000000 0
072 I000000 12
072 J000000 23
072 K000000 0
072 L000000 0
072 M000000 11
072 N000000 0
072 O000000 0
072 P000000 0
072 Q000000 32
072 R000000 8
072 S000000 11
072 T000000 0
072 U000000 8
072 V000000 0
072 W000000 9
072 X000000 267
072 Y000000 0
072 Z000000 11655
072AA000000 0
072BB000000 340
<PAGE> PAGE 7
072CC010000 0
072CC020000 1633
072DD010000 10690
072DD020000 0
072EE000000 0
073 A010000 338.4600
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 4
074 B000000 0
074 C000000 318593
074 D000000 191224
074 E000000 0
074 F000000 0
074 G000000 0
074 H000000 0
074 I000000 5354
074 J000000 0
074 K000000 0
074 L000000 5189
074 M000000 101
074 N000000 520465
074 O000000 537
074 P000000 153
074 Q000000 50
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 144
074 S000000 200000
074 T000000 319581
074 U010000 32037
074 U020000 0
074 V010000 9975.46
074 V020000 0.00
074 W000000 0.0000
074 X000000 4
074 Y000000 0
075 A000000 0
075 B000000 510567
076 000000 0.00
077 A000000 N
078 000000 N
080 C000000 0
081 B000000 0
082 B000000 0
083 B000000 0
084 B000000 0
086 A010000 32
086 A020000 320589
<PAGE> PAGE 8
086 B010000 0
086 B020000 0
086 C010000 2000
086 C020000 200000
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 50
086 F010000 0
086 F020000 0
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 Y
SIGNATURE VINCENT L. PEREIRA
TITLE VICE PRESIDENT
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000950172
<NAME> MANAGED INCOME SECURITIES PLUS FUND, INC.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-START> FEB-05-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 516803210
<INVESTMENTS-AT-VALUE> 515170098
<RECEIVABLES> 5189098
<ASSETS-OTHER> 3726
<OTHER-ITEMS-ASSETS> 101924
<TOTAL-ASSETS> 520464846
<PAYABLE-FOR-SECURITIES> 536588
<SENIOR-LONG-TERM-DEBT> 50000
<OTHER-ITEMS-LIABILITIES> 297041
<TOTAL-LIABILITIES> 883629
<SENIOR-EQUITY> 200000000
<PAID-IN-CAPITAL-COMMON> 320589000
<SHARES-COMMON-STOCK> 32037
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 965222
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (339893)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (1633112)
<NET-ASSETS> 519581217
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 11921624
<OTHER-INCOME> 0
<EXPENSES-NET> 266680
<NET-INVESTMENT-INCOME> 11654944
<REALIZED-GAINS-CURRENT> (339893)
<APPREC-INCREASE-CURRENT> (1633112)
<NET-CHANGE-FROM-OPS> 9681939
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 10689722
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 32036
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 519581217
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 153171
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 266680
<AVERAGE-NET-ASSETS> 510567426
<PER-SHARE-NAV-BEGIN> 0
<PER-SHARE-NII> 369.02
<PER-SHARE-GAIN-APPREC> (55.12)
<PER-SHARE-DIVIDEND> 338.46
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9975.44
<EXPENSE-RATIO> 0.13
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
