<PAGE> PAGE 1
000 B000000 12/31/96
000 C000000 845611
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 U
001 A000000 GABELLI CONVERTIBLE SECURITIES FUND, INC.
001 B000000 811-5715
001 C000000 2128083946
002 A000000 ONE CORPORATE CENTER
002 B000000 RYE
002 C000000 NY
002 D010000 10580
002 D020000 1434
003 000000 N
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 GABELLI FUNDS, INC.
008 B000001 A
008 C000001 801-37706
008 D010001 RYE
008 D020001 NY
008 D030001 10580
008 D040001 1434
010 A000001 FURMAN SELZ LLC
010 B000001 8-17741
010 C010001 NEW YORK
010 C020001 NY
010 C030001 10017
012 A000001 STATE STREET BANK & TRUST COMPANY
012 B000001 85-05003
012 C010001 BOSTON
012 C020001 MA
012 C030001 02171
013 A000001 PRICE WATERHOUSE LLP
<PAGE> PAGE 2
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10036
014 A000001 GABELLI & COMPANY, INC.
014 B000001 8-21373
014 A000002 IFG NETWORK SECURITIES
014 B000002 8-37937
014 A000003 KEELEY INVESTMENT CORP.
014 B000003 8-20353
015 A000001 STATE STREET BANK & TRUST COMPANY
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02171
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 16
019 C000000 GABELLIGRP
020 A000001 ALLEN & CO.
020 B000001 13-6176976
020 C000001 13
020 A000002 GABELLI & COMPANY, INC.
020 B000002 13-2885006
020 C000002 7
020 A000003 J.P. MORGAN SECURITIES INC.
020 B000003 13-3224016
020 C000003 4
020 A000004 ASIEL & CO.
020 B000004 13-4933080
020 C000004 4
020 A000005 INSTINET CORP.
020 B000005 13-3443395
020 C000005 4
020 A000006 CAPITAL INSTITUTIONAL SERVICES INC.
020 B000006 75-1565705
020 C000006 4
020 A000007 JONES & ASSOCIATES
020 B000007 95-3583143
020 C000007 3
020 A000008 SMITH BARNEY, INC.
020 B000008 13-1912900
020 C000008 3
020 A000009 HERZOG HEINE GEDULD
020 B000009 13-1955436
020 C000009 3
020 A000010 JEFFERIES & CO.
020 B000010 95-2622900
020 C000010 3
021 000000 69
022 A000001 HSBC SECURITIES INC.
<PAGE> PAGE 3
022 B000001 13-3273815
022 C000001 331814
022 D000001 53779
022 A000002 MELLON SECURITIES, INC.
022 B000002 36-3794213
022 C000002 0
022 D000002 10465
022 A000003 CHASE SECURITIES INC.
022 B000003 13-3112953
022 C000003 0
022 D000003 5863
022 A000004 FIRST UNION BROKERAGE SERVICES
022 B000004 56-1252143
022 C000004 0
022 D000004 5200
022 A000005 CBI INDUSTRIES INC.
022 C000005 0
022 D000005 4887
022 A000006 BANK OF BOSTON
022 B000006 04-2472499
022 C000006 0
022 D000006 4750
022 A000007 THE BANK OF NEW YORK
022 B000007 13-5160382
022 C000007 0
022 D000007 4697
022 A000008 SOCIETY NATIONAL BANK
022 B000008 34-0797057
022 C000008 0
022 D000008 4400
022 A000009 HARRIS TRUST
022 B000009 36-1194448
022 C000009 0
022 D000009 4200
022 A000010 JEFFERIES & CO.
022 B000010 95-2622900
022 C000010 3765
022 D000010 0
023 C000000 346142
023 D000000 119632
024 000000 N
025 D000001 0
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 N
026 B000000 Y
<PAGE> PAGE 4
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 Y
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 N
028 A010000 0
028 A020000 0
028 A030000 0
028 A040000 0
028 B010000 0
028 B020000 0
028 B030000 0
028 B040000 0
028 C010000 0
028 C020000 0
028 C030000 0
028 C040000 0
028 D010000 0
028 D020000 0
028 D030000 0
028 D040000 0
028 E010000 0
028 E020000 0
028 E030000 0
028 E040000 0
028 F010000 0
028 F020000 0
028 F030000 0
028 F040000 0
028 G010000 0
028 G020000 0
028 G030000 0
028 G040000 0
028 H000000 0
030 A000000 0
030 B000000 0.00
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
033 000000 0
035 000000 0
036 B000000 0
038 000000 0
042 A000000 0
042 B000000 0
042 C000000 0
042 D000000 0
<PAGE> PAGE 5
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 0
044 000000 0
045 000000 Y
046 000000 N
047 000000 Y
048 000000 1.000
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 Y
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 N
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
<PAGE> PAGE 6
054 O000000 N
055 A000000 N
055 B000000 N
056 000000 N
057 000000 N
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 0
062 A000000 Y
062 B000000 37.4
062 C000000 0.0
062 D000000 0.0
062 E000000 0.0
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
062 P000000 33.3
062 Q000000 0.0
062 R000000 31.4
063 A000000 0
063 B000000 4.4
064 A000000 N
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 Y
070 G010000 Y
070 G020000 N
<PAGE> PAGE 7
070 H010000 Y
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 N
070 K010000 Y
070 K020000 N
070 L010000 Y
070 L020000 Y
070 M010000 Y
070 M020000 Y
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 Y
070 Q010000 N
070 Q020000 N
070 R010000 Y
070 R020000 Y
071 A000000 65385
071 B000000 85190
071 C000000 57430
071 D000000 114
072 A000000 12
072 B000000 4268
072 C000000 1006
072 D000000 0
072 E000000 0
072 F000000 913
072 G000000 0
072 H000000 0
072 I000000 126
072 J000000 32
072 K000000 0
072 L000000 124
072 M000000 40
072 N000000 16
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 27
072 S000000 12
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 33
072 X000000 1323
072 Y000000 0
<PAGE> PAGE 8
072 Z000000 3951
072AA000000 1983
072BB000000 0
072CC010000 536
072CC020000 0
072DD010000 3966
072DD020000 0
072EE000000 1983
073 A010000 0.4900
073 A020000 0.0000
073 B000000 0.2450
073 C000000 0.0000
074 A000000 463
074 B000000 0
074 C000000 33551
074 D000000 29849
074 E000000 13953
074 F000000 14219
074 G000000 0
074 H000000 0
074 I000000 500
074 J000000 480
074 K000000 0
074 L000000 657
074 M000000 0
074 N000000 93672
074 O000000 457
074 P000000 77
074 Q000000 0
074 R010000 0
074 R020000 373
074 R030000 0
074 R040000 3106
074 S000000 0
074 T000000 89659
074 U010000 8093
074 U020000 0
074 V010000 11.08
074 V020000 0.00
074 W000000 0.0000
074 X000000 7247
074 Y000000 0
075 A000000 0
075 B000000 90873
076 000000 9.25
077 A000000 Y
077 B000000 Y
077 Q010000 Y
078 000000 N
080 A000000 CNA INSURANCE CO.
080 C000000 11475
<PAGE> PAGE 9
081 A000000 Y
081 B000000 20
082 A000000 N
082 B000000 0
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 Y
085 B000000 N
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
087 A010000 COMMON STOCK
087 A020000 362396103
087 A030000 GCV
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 N
SIGNATURE DONALD E. BROSTROM
TITLE ASSISTANT TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 01
<NAME> GABELLI CONVERTIBLE SECURITIES FUND, INC.
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-END> DEC-31-1996
<INVESTMENTS-AT-COST> 86976
<INVESTMENTS-AT-VALUE> 91572
<RECEIVABLES> 1637
<ASSETS-OTHER> 463
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 93672
<PAYABLE-FOR-SECURITIES> 457
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3556
<TOTAL-LIABILITIES> 4013
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 85242
<SHARES-COMMON-STOCK> 8093
<SHARES-COMMON-PRIOR> 8093
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (242)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (64)
<ACCUM-APPREC-OR-DEPREC> 4723
<NET-ASSETS> 89659
<DIVIDEND-INCOME> 1006
<INTEREST-INCOME> 4268
<OTHER-INCOME> 0
<EXPENSES-NET> 1323
<NET-INVESTMENT-INCOME> 3951
<REALIZED-GAINS-CURRENT> 1983
<APPREC-INCREASE-CURRENT> 536
<NET-CHANGE-FROM-OPS> 6470
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 3966
<DISTRIBUTIONS-OF-GAINS> 1983
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 522
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 227
<OVERDIST-NET-GAINS-PRIOR> 64
<GROSS-ADVISORY-FEES> 913
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1323
<AVERAGE-NET-ASSETS> 90873
<PER-SHARE-NAV-BEGIN> 11.01
<PER-SHARE-NII> .490
<PER-SHARE-GAIN-APPREC> .315
<PER-SHARE-DIVIDEND> .490
<PER-SHARE-DISTRIBUTIONS> .245
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.08
<EXPENSE-RATIO> .015
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
