PAGE 1
000 A000000 04/30/2011
000 C000000 0001219120
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 ADVENT CLAYMORE CONVERTIBLE SECURITIES
001 B000000 811-21309
001 C000000 2124821600
002 A000000 1271 AVENUE OF THE AMERICAS, 45TH FLOOR
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10020
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 ADVENT CAPITAL MANAGEMENT, LLC
008 B000001 A
008 C000001 801-000000
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10020
010 A000001 GUGGENHEIM FUNDS INVESTMENT ADVISOR, LLC
010 B000001 801-000000
010 C010001 LISLE
010 C020001 IL
010 C030001 60532
011 A000001 MERRILL LYNCH, PIERCE, FENNER & SMITH INC.
011 B000001 8-00000000
011 C010001 NEW YORK
011 C020001 NY
011 C030001 10080
012 A000001 BNY MELLON SHAREOWNER SERVICES
012 B000001 84-0000000
012 C010001 PITTSBURGH
PAGE 2
012 C020001 PA
012 C030001 15252
012 C040001 8015
013 A000001 PRICEWATERHOUSECOOPERS LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10036
015 A000001 THE BANK OF NEW YORK MELLON
015 B000001 C
015 C010001 NEW YORK
015 C020001 NY
015 C030001 10286
015 E010001 X
015 A000002 BHF-BANK, FRANKFURT
015 B000002 S
015 C010002 FRANKFURT
015 D010002 GERMANY
015 E040002 X
015 A000003 HONGKONG AND SHANGHAI BANKING CORP.
015 B000003 S
015 C010003 KOWLOON
015 D010003 HONG KONG
015 E040003 X
015 A000004 BANK OF TOKYO-MITSUBISHI UFJ LTD., TOKYO
015 B000004 S
015 C010004 TOKYO
015 D010004 JAPAN
015 E040004 X
015 A000005 BANQUE ET CAISSE D'EPARGNE DE L'ETAT LUXEM.
015 B000005 S
015 C010005 LUXEMBOURG
015 D010005 LUXEMBOURG
015 E040005 X
015 A000006 DNB NOR BANK ASA, OSLO
015 B000006 S
015 C010006 OSLO
015 D010006 NORWAY
015 E040006 X
015 A000007 THE BANK OF NEW YORK, LONDON
015 B000007 S
015 C010007 LONDON
015 D010007 UNITED KINGDOM
015 E040007 X
015 A000008 CIBC MELLON TRUST COMPANY
015 B000008 S
015 C010008 TORONTO
015 D010008 CANADA
015 E040008 X
018 000000 Y
019 A000000 N
019 B000000 0
PAGE 3
020 A000001 REDIPLUS
020 B000001 UNKNOWN
020 C000001 26
020 A000002 BARCLAYS CAPITAL INC.
020 B000002 13-3551367
020 C000002 13
020 A000003 GOLDMAN SACHS & CO.
020 B000003 13-5108880
020 C000003 13
020 A000004 OSCAR GRUSS & SON
020 B000004 13-2913779
020 C000004 8
020 A000005 MERRILL LYNCH & CO.
020 B000005 13-2740599
020 C000005 6
020 A000006 BENCHMARK COMPANY
020 B000006 UNKNOWN
020 C000006 4
020 A000007 LAZARD FRERES & CO.
020 B000007 13-5545100
020 C000007 2
020 A000008 JEFFERIES & COMPANY, INC.
020 B000008 95-2622900
020 C000008 2
020 A000009 NOMURA SECURITIES CO. LTD
020 B000009 13-2642206
020 C000009 1
020 A000010 BLUNT ELLIS
020 B000010 UNKNOWN
020 C000010 1
021 000000 76
022 A000001 GOLDMAN SACHS & CO.
022 B000001 13-5108880
022 C000001 130275
022 D000001 198037
022 A000002 MERRILL LYNCH & CO., INC.
022 B000002 13-2740599
022 C000002 32333
022 D000002 21954
022 A000003 WELLS FARGO
022 B000003 94-1347393
022 C000003 30832
022 D000003 22654
022 A000004 CREDIT SUISSE FIRST BOSTON CORP.
022 B000004 05-0546650
022 C000004 20069
022 D000004 23403
022 A000005 JP MORGAN INVT MGMT NY
022 B000005 13-3200244
022 C000005 19326
022 D000005 10865
PAGE 4
022 A000006 CITIGROUP GLOBAL MARKETS
022 B000006 11-2418191
022 C000006 17860
022 D000006 10350
022 A000007 DEUTSCHE BANK SECURITIES CORP.
022 B000007 13-2730828
022 C000007 7348
022 D000007 14714
022 A000008 CIBC WORLD MARKETS
022 B000008 13-2798343
022 C000008 14489
022 D000008 5868
022 A000009 JEFFERIES & COMPANY, INC.
022 B000009 95-2622900
022 C000009 9693
022 D000009 6613
022 A000010 BARCLAYS BANK PLC
022 B000010 13-3551367
022 C000010 0
022 D000010 9095
023 C000000 338965
023 D000000 380217
024 000000 Y
025 A000001 BANK OF AMERICA CORP.
025 B000001 56-0906609
025 C000001 E
025 D000001 14375
025 A000002 CITIGROUP CAPITAL XIII
025 B000002 06-1532089
025 C000002 E
025 D000002 7459
025 A000003 CITIGROUP, INC.
025 B000003 52-1568099
025 C000003 E
025 D000003 12178
025 A000004 JEFFERIES GROUP, INC.
025 B000004 95-4719745
025 C000004 D
025 D000004 4455
025 A000005 JP MORGAN CHASE & CO.
025 B000005 13-2624428
025 C000005 E
025 D000005 8553
025 A000006 WELLS FARGO & CO
025 B000006 41-0449260
025 C000006 E
025 D000006 12794
025 D000007 0
025 D000008 0
026 A000000 N
026 B000000 Y
PAGE 5
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
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 6
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 0.540
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 Y
053 B000000 Y
053 C000000 N
054 A000000 Y
054 B000000 Y
054 C000000 N
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
PAGE 7
054 M000000 Y
054 N000000 N
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 0.0
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 2.7
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
062 P000000 86.2
062 Q000000 0.0
062 R000000 62.2
063 A000000 0
063 B000000 5.6
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 Y
070 C010000 Y
070 C020000 N
070 D010000 Y
070 D020000 N
070 E010000 Y
070 E020000 Y
070 F010000 Y
070 F020000 N
PAGE 8
070 G010000 Y
070 G020000 N
070 H010000 Y
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 Y
070 K020000 Y
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 N
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 371997
071 B000000 347975
071 C000000 688015
071 D000000 51
072 A000000 6
072 B000000 11164
072 C000000 8255
072 D000000 0
072 E000000 0
072 F000000 1962
072 G000000 74
072 H000000 0
072 I000000 763
072 J000000 48
072 K000000 0
072 L000000 50
072 M000000 74
072 N000000 11
072 O000000 0
072 P000000 0
072 Q000000 71
072 R000000 59
072 S000000 50
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 341
PAGE 9
072 X000000 3503
072 Y000000 73
072 Z000000 15989
072AA000000 22655
072BB000000 0
072CC010000 19075
072CC020000 0
072DD010000 23991
072DD020000 0
072EE000000 0
073 A010000 1.0174
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 1561
074 B000000 0
074 C000000 0
074 D000000 421502
074 E000000 287676
074 F000000 4606
074 G000000 0
074 H000000 0
074 I000000 24738
074 J000000 20707
074 K000000 0
074 L000000 6368
074 M000000 119
074 N000000 767277
074 O000000 15685
074 P000000 459
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 329
074 S000000 262000
074 T000000 488804
074 U010000 23581
074 U020000 0
074 V010000 20.73
074 V020000 0.00
074 W000000 0.0000
074 X000000 20059
074 Y000000 16221
075 A000000 0
075 B000000 732490
076 000000 19.17
077 A000000 N
078 000000 N
086 A010000 0
086 A020000 0
PAGE 10
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 00764C109
087 A030000 AVK
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 Y
SIGNATURE ROBERT WHITE
TITLE CFO & TREASURER