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CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND

Regulatory Filings Mar 23, 2015

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N-Q 1 d883759dnq.htm N-Q N-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED

MANAGEMENT INVESTMENT COMPANIES

INVESTMENT COMPANY ACT FILE NUMBER: 811-21080

EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund

ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60563-2787
NAME AND ADDRESS OF AGENT FOR SERVICE: John P. Calamos, Sr., Chairman, CEO and Co-CIO Calamos Advisors LLC, 2020 Calamos Court, Naperville, Illinois 60563-2787

REGISTRANT’S TELEPHONE NUMBER, INCLUDING AREA CODE: (630) 245-7200

DATE OF FISCAL YEAR END: October 31, 2015

DATE OF REPORTING PERIOD: January 31, 2015

ITEM 1. SCHEDULE OF INVESTMENTS JANUARY 31, 2015 (UNAUDITED)

Calamos Convertible Opportunities and Income Fund

SCHEDULE OF INVESTMENTS JANUARY 31, 2015 (UNAUDITED)

PRINCIPAL AMOUNT VALUE
CORPORATE BONDS (57.3%)
Consumer Discretionary (11.8%)
1,368,000 Altice, SA*^ 7.750%,
05/15/22 $ 1,415,025
342,000 Brunswick Corp.*µ 4.625%,
05/15/21 340,076
1,328,000 Century Communities, Inc.*µ 6.875%, 05/15/22 1,296,460
1,955,000 Chrysler Group, LLC 8.000%,
06/15/19 2,064,969
1,055,000 Cogeco Cable, Inc.*µ 4.875%,
05/01/20 1,064,231
5,972,000 Cooper Tire & Rubber Company^µ 8.000%, 12/15/19 6,688,640
4,423,000 Dana Holding Corp.µ 6.750%,
02/15/21 4,724,317
DISH DBS Corp.µ
6,606,000 5.125%, 05/01/20 6,742,249
5,336,000 7.875%, 09/01/19^ 6,059,695
3,909,000 Dufry Finance, SCA*µ 5.500%,
10/15/20 4,053,144
1,466,000 GameStop Corp.*^ 5.500%,
10/01/19 1,494,404
2,770,000 Golden Nugget Escrow, Inc.*^µ 8.500%, 12/01/21 2,766,538
1,295,000 Goodyear Tire & Rubber Companyµ 8.250%, 08/15/20 1,384,031
2,316,000 Hasbro, Inc.^µ 6.600%,
07/15/28 2,784,816
4,886,000 Jaguar Land Rover Automotive, PLC*µ 8.125%, 05/15/21 5,389,869
L Brands, Inc.µ
2,932,000 7.600%, 07/15/37 3,303,997
1,906,000 5.625%, 02/15/22 2,070,393
665,000 6.950%, 03/01/33 719,031
1,377,000 Liberty Interactive, LLCµ 8.250%, 02/01/30 1,527,609
Meritage Homes Corp.µ
3,323,000 7.150%, 04/15/20 3,549,379
1,865,000 7.000%, 04/01/22 1,966,409
1,828,000 NCL Corp., Ltd. - Class Cµ 5.000%, 02/15/18 1,849,708
Neiman Marcus Group Ltd., LLC*µ
601,000 8.750%, 10/15/21 630,674
479,000 8.000%, 10/15/21^ 497,262
2,761,000 Netflix, Inc.^µ 5.375%,
02/01/21 2,861,086
2,736,000 Numericable Group, SA* 6.000%,
05/15/22 2,800,980
2,517,000 Outerwall, Inc.µ 6.000%,
03/15/19 2,457,221
2,248,000 Penske Automotive Group, Inc.µ 5.375%, 12/01/24 2,290,150
3,777,000 Royal Caribbean Cruises, Ltd.^ 7.500%, 10/15/27 4,322,304
Ryland Group, Inc.µ
5,375,000 6.625%, 05/01/20^ 5,667,266
1,456,000 5.375%, 10/01/22 1,417,780
3,420,000 Service Corp. International^µ 7.500%, 04/01/27 3,851,775
PRINCIPAL AMOUNT VALUE
2,854,000 Six Flags Entertainment Corp.*µ 5.250%, 01/15/21 $ 2,893,243
2,930,000 Taylor Morrison Communities, Inc.*µ 5.250%, 04/15/21 2,774,344
2,932,000 Time, Inc.*^µ 5.750%,
04/15/22 2,840,375
Toll Brothers Finance Corp.
4,152,000 5.625%, 01/15/24 4,463,400
1,124,000 4.000%, 12/31/18µ 1,142,968
104,165,818
Consumer Staples (2.4%)
948,000 Alphabet Holding Company, Inc.^ 7.750%, 11/01/17 824,760
3,567,000 Fidelity & Guaranty Life Holdings, Inc.*µ 6.375%, 04/01/21 3,792,167
4,855,000 JBS USA, LLC*µ 7.250%,
06/01/21 5,021,891
5,277,000 Land O’Lakes, Inc.*^µ 6.000%, 11/15/22 5,652,986
2,445,000 Post Holdings, Inc.µ 7.375%,
02/15/22 2,495,428
3,078,000 Smithfield Foods, Inc.µ 6.625%, 08/15/22 3,268,451
21,055,683
Energy (9.8%)
3,265,000 Atwood Oceanics, Inc.µ 6.500%,
02/01/20 2,960,947
Berry Petroleum Company, LLC
2,443,000 6.375%, 09/15/22µ 1,734,530
684,000 6.750%, 11/01/20 499,320
1,173,000 Bill Barrett Corp.^ 7.000%,
10/15/22 977,256
1,104,000 Blue Racer Midstream, LLC / Blue Racer Finance Corp.*^ 6.125%, 11/15/22 1,092,960
2,443,000 Bonanza Creek Energy, Inc.µ 6.750%, 04/15/21 2,195,646
2,199,000 Calfrac Holdings, LP*µ 7.500%,
12/01/20 1,884,268
Calumet Specialty Products Partners, LPµ
2,248,000 7.625%, 01/15/22 2,042,870
1,544,000 9.625%, 08/01/20^ 1,530,490
800,000 6.500%, 04/15/21* 693,000
Carrizo Oil & Gas, Inc.µ
4,320,000 7.500%, 09/15/20 4,241,700
3,191,000 8.625%, 10/15/18^ 3,198,978
5,564,000 Cimarex Energy Company^µ 5.875%, 05/01/22 5,810,902
6,841,000 Drill Rigs Holdings, Inc.*µ 6.500%, 10/01/17 5,417,217
2,834,000 Energy Transfer Equity, LPµ 5.875%, 01/15/24 2,943,818
5,375,000 Gulfmark Offshore, Inc.µ 6.375%, 03/15/22 4,158,906
4,134,000 Gulfport Energy Corp.µ 7.750%,
11/01/20 4,118,497
3,030,000 Halcon Resources Corp.^µ 9.750%, 07/15/20 2,037,675
5,375,000 Laredo Petroleum, Inc.µ 7.375%, 05/01/22 5,126,406

See accompanying Notes to Schedule of Investments

Calamos Convertible Opportunities and Income Fund

SCHEDULE OF INVESTMENTS JANUARY 31, 2015 (UNAUDITED)

PRINCIPAL AMOUNT VALUE
Linn Energy, LLCµ
1,466,000 8.625%, 04/15/20 $ 1,174,633
1,466,000 7.750%, 02/01/21 1,116,909
1,270,000 6.250%, 11/01/19^ 973,931
977,000 6.500%, 05/15/19 763,281
Oasis Petroleum, Inc.µ
4,095,000 6.500%, 11/01/21 3,754,603
1,222,000 6.875%, 01/15/23 1,123,476
2,218,000 Pacific Drilling, SA*µ 5.375%,
06/01/20 1,663,500
2,687,000 Petroleum Geo-Services, ASA*µ 7.375%, 12/15/18 2,280,591
1,003,000 Pioneer Energy Services Corp.µ 6.125%, 03/15/22 701,473
1,430,000 Rice Energy, Inc.^ 6.250%,
05/01/22 1,383,525
4,886,000 SEACOR Holdings, Inc.µ 7.375%,
10/01/19 5,069,225
1,622,000 Seventy Seven Operating, LLCµ 6.625%, 11/15/19 1,178,991
1,759,000 SM Energy Companyµ 6.500%,
11/15/21 1,737,013
3,518,000 Trinidad Drilling, Ltd.*µ 7.875%, 01/15/19 3,298,125
8,307,000 W&T Offshore, Inc.µ 8.500%, 06/15/19 5,347,631
2,717,000 Western Refining, Inc.µ 6.250%, 04/01/21 2,657,566
86,889,859
Financials (3.1%)
2,346,000 AON Corp.^µ 8.205%,
01/01/27 3,036,604
5,561,000 Black Knight InfoServ, LLCµ 5.750%, 04/15/23 5,917,794
1,270,000 DuPont Fabros Technology, LPµ 5.875%, 09/15/21 1,323,181
2,339,000 First Cash Financial Services, Inc.µ 6.750%, 04/01/21 2,422,327
1,935,000 iStar Financial, Inc.µ 4.875%,
07/01/18 1,915,650
Jefferies Finance, LLC*µ
4,153,000 7.375%, 04/01/20 3,851,907
1,175,000 6.875%, 04/15/22 1,060,438
2,238,000 Nationstar Mortgage, LLC / Nationstar Capital Corp.µ 6.500%, 07/01/21 1,945,661
5,375,000 Neuberger Berman Group, LLC*µ 5.875%, 03/15/22 5,702,848
27,176,410
Health Care (7.0%)
3,152,000 Alere, Inc.µ 6.500%,
06/15/20 3,213,070
3,670,000 Community Health Systems, Inc.µ 7.125%, 07/15/20 3,913,137
3,069,000 Crimson Merger Sub, Inc.*µ 6.625%, 05/15/22 2,675,784
3,030,000 DaVita HealthCare Partners, Inc.µ 5.125%, 07/15/24 3,111,431
Endo International, PLC*µ
7,330,000 7.000%, 12/15/20^ 7,691,919
977,000 7.000%, 07/15/19 1,025,850
HCA Holdings, Inc.µ
7,818,000 5.875%, 05/01/23 8,502,075
1,896,000 6.250%, 02/15/21 2,054,790
PRINCIPAL AMOUNT VALUE
2,932,000 HCA, Inc.µ 7.750%,
05/15/21 $ 3,139,073
5,624,000 Hologic, Inc.µ 6.250%,
08/01/20 5,870,050
5,375,000 Teleflex, Inc.^µ 6.875%,
06/01/19 5,596,719
6,010,000 Tenet Healthcare Corp.µ 6.750%, 02/01/20 6,389,381
Valeant Pharmaceuticals International, Inc.*
6,059,000 7.000%, 10/01/20µ 6,399,819
362,000 5.500%, 03/01/23 371,503
VPII Escrow Corp.*
938,000 7.500%, 07/15/21µ 1,029,455
928,000 6.750%, 08/15/18^ 987,160
61,971,216
Industrials (8.9%)
4,593,000 ACCO Brands Corp.µ 6.750%,
04/30/20 4,900,157
6,059,000 Deluxe Corp.µ 6.000%,
11/15/20 6,301,360
2,815,000 DigitalGlobe, Inc.*µ 5.250%,
02/01/21 2,704,159
5,341,000 Dycom Investments, Inc.µ 7.125%, 01/15/21 5,611,388
2,668,000 Edgen Murray Corp.*µ 8.750%,
11/01/20 2,916,457
2,155,000 Garda World Security Corp.*µ 7.250%, 11/15/21 2,113,247
2,761,000 GrafTech International, Ltd.^ 6.375%, 11/15/20 2,353,752
4,452,000 H&E Equipment Services, Inc.µ 7.000%, 09/01/22 4,246,095
Icahn Enterprises, LPµ
3,772,000 5.875%, 02/01/22 3,861,585
2,306,000 6.000%, 08/01/20 2,428,506
533,000 4.875%, 03/15/19 542,994
3,420,000 Manitowoc Company, Inc.µ 8.500%, 11/01/20 3,700,012
1,398,000 Meritor, Inc.µ 6.750%,
06/15/21 1,455,668
Michael Baker International, LLC*µ
2,834,000 8.250%, 10/15/18 2,810,974
1,446,000 8.875%, 04/15/19 1,309,534
2,932,000 Navistar International Corp.^ 8.250%, 11/01/21 2,866,030
1,763,000 Nortek, Inc.µ 8.500%,
04/15/21 1,879,799
6,401,000 Rexel, SA*µ 6.125%,
12/15/19 6,721,050
4,750,000 Terex Corp.µ 6.000%,
05/15/21 4,821,250
1,979,000 Titan International, Inc.µ 6.875%, 10/01/20 1,710,598
2,297,000 TransDigm, Inc.µ 5.500%,
10/15/20 2,256,803
1,955,000 Triumph Group, Inc.µ 4.875%,
04/01/21 1,936,672
2,248,000 United Continental Holdings, Inc.µ 6.375%, 06/01/18 2,402,550
United Rentals North America, Inc.µ
5,375,000 7.625%, 04/15/22 5,925,937
1,368,000 6.125%, 06/15/23 1,427,850
79,204,427

See accompanying Notes to Schedule of Investments

Calamos Convertible Opportunities and Income Fund

SCHEDULE OF INVESTMENTS JANUARY 31, 2015 (UNAUDITED)

PRINCIPAL AMOUNT VALUE
Information Technology (5.6%)
3,127,000 Activision Blizzard, Inc.*µ 5.625%, 09/15/21 $ 3,347,844
Amkor Technology, Inc.µ
3,215,000 6.375%, 10/01/22^ 3,194,906
918,000 6.625%, 06/01/21 935,213
7,818,000 Belden, Inc.*^µ 5.500%,
09/01/22 7,847,317
2,389,000 Cardtronics, Inc.*µ 5.125%,
08/01/22 2,347,193
1,955,000 Equinix, Inc.µ 5.375%,
04/01/23 2,029,534
6,352,000 Hughes Satellite Systems Corp.µ 7.625%, 06/15/21 6,951,470
3,909,000 J2 Global, Inc.µ 8.000%,
08/01/20 4,226,606
2,942,000 Nuance Communications, Inc.*^µ 5.375%, 08/15/20 2,969,581
1,955,000 NXP Semiconductors, NV*µ 5.750%, 02/15/21 2,063,747
4,403,000 Sungard Data Systems, Inc.µ 6.625%, 11/01/19 4,436,023
3,323,000 ViaSat, Inc.µ 6.875%,
06/15/20 3,468,381
5,375,000 Viasystems, Inc.*µ 7.875%,
05/01/19 5,694,141
49,511,956
Materials (4.2%)
1,402,000 Chemtura Corp.µ 5.750%,
07/15/21 1,381,846
First Quantum Minerals, Ltd.*
1,488,000 7.000%, 02/15/21µ 1,242,480
1,488,000 6.750%, 02/15/20 1,264,800
7,330,000 FMG Resources*^ 8.250%,
11/01/19 6,523,700
4,310,000 Greif, Inc.µ 7.750%,
08/01/19 4,886,463
INEOS Group Holdings, SA*^
2,150,000 6.125%, 08/15/18 2,070,719
1,173,000 5.875%, 02/15/19 1,115,083
New Gold, Inc.*µ
3,909,000 7.000%, 04/15/20 3,904,114
1,075,000 6.250%, 11/15/22 1,062,906
2,297,000 PH Glatfelter Companyµ 5.375%,
10/15/20 2,350,118
Sealed Air Corp.*µ
2,008,000 6.500%, 12/01/20 2,225,115
880,000 5.250%, 04/01/23 914,100
5,013,000 Trinseo Materials Operating, SCA^ 8.750%, 02/01/19 5,088,195
2,736,000 United States Steel Corp.µ 6.875%, 04/01/21 2,729,160
36,758,799
Telecommunication Services (3.6%)
1,990,000 CenturyLink, Inc.µ 6.750%,
12/01/23 2,236,899
Frontier Communications Corp.µ
2,719,000 7.625%, 04/15/24 2,880,441
280,000 6.875%, 01/15/25 284,375
PRINCIPAL AMOUNT VALUE
Intelsat, SA^
5,473,000 7.750%, 06/01/21µ $ 5,445,635
391,000 8.125%, 06/01/23 396,621
2,297,000 SBA Communications Corp.µ 5.625%, 10/01/19 2,408,979
Sprint Corp.
10,965,000 7.875%, 09/15/23µ 11,163,741
1,446,000 7.125%, 06/15/24^ 1,407,139
1,011,000 7.250%, 09/15/21 1,013,527
4,593,000 T-Mobile USA, Inc.µ 6.625%,
04/01/23 4,773,849
32,011,206
Utilities (0.9%)
2,932,000 AES Corp.µ 7.375%,
07/01/21 3,271,013
4,847,000 AmeriGas Finance Corp.^µ 7.000%, 05/20/22 5,083,291
8,354,304
TOTAL CORPORATE BONDS (Cost $511,476,451) 507,099,678
CONVERTIBLE BONDS (56.2%)
Consumer Discretionary (11.3%)
6,400,000 HomeAway, Inc.*^ 0.125%,
04/01/19 5,827,648
Iconix Brand Group, Inc.
5,600,000 1.500%, 03/15/18 6,598,228
2,000,000 2.500%, 06/01/16µ 2,355,620
Jarden Corp.^
8,015,000 1.125%, 03/15/34* 9,179,499
6,000,000 1.500%, 06/15/19µ 7,995,330
2,350,000 KB Home^µ
1.375%, 02/01/19 2,158,651
15,850,000 Liberty Interactive, LLC (Time Warner Cable, Inc., Time Warner, Inc.)^µ§ 0.750%, 03/30/43 20,591,448
5,050,000 Liberty Media Corp.^ 1.375%,
10/15/23 4,915,140
10,500,000 MGM Resorts International^µ 4.250%, 04/15/15 11,558,715
Priceline Group, Inc.^
11,500,000 0.350%, 06/15/20 12,296,548
2,800,000 1.000%, 03/15/18µ 3,496,556
2,600,000 Standard Pacific Corp.^µ 1.250%, 08/01/32 2,865,044
12,150,000 Tesla Motors, Inc.^µ 1.250%,
03/01/21 10,486,179
100,324,606
Energy (0.9%)
8,500,000 Chesapeake Energy Corp. 2.250%,
12/15/38 7,830,965
Financials (5.1%)
Ares Capital Corp.µ
7,300,000 4.750%, 01/15/18^ 7,588,058
4,027,000 5.750%, 02/01/16 4,150,126
1,600,000 EUR Azimut Holding, S.p.A.µ 2.125%, 11/25/20 2,078,761
2,850,000 Health Care REIT, Inc.µ 3.000%, 12/01/29 4,627,844

See accompanying Notes to Schedule of Investments

Calamos Convertible Opportunities and Income Fund

SCHEDULE OF INVESTMENTS JANUARY 31, 2015 (UNAUDITED)

PRINCIPAL AMOUNT VALUE
3,500,000 IAS Operating Partnership, LP*µ 5.000%, 03/15/18 $ 3,334,782
1,215,000 Jefferies Group, Inc.µ 3.875%,
11/01/29 1,256,407
4,400,000 MGIC Investment Corp.^µ 2.000%, 04/01/20 6,029,760
3,047,000 PRA Group, Inc.µ 3.000%,
08/01/20 3,137,724
4,800,000 Prologis, Inc. 3.250%,
03/15/15 5,548,800
4,200,000 Spirit Realty Capital, Inc.µ 2.875%, 05/15/19 4,295,151
2,900,000 Starwood Property Trust, Inc.µ 4.550%, 03/01/18 3,159,391
45,206,804
Health Care (14.7%)
5,288,000 Acorda Therapeutics, Inc.µ 1.750%, 06/15/21 6,170,620
12,528,000 Anthem, Inc.µ 2.750%,
10/15/42 22,919,913
5,711,000 BioMarin Pharmaceutical, Inc.^µ 1.500%, 10/15/20 7,358,681
5,900,000 Cepheid*^ 1.250%,
02/01/21 6,464,836
5,850,000 Cubist Pharmaceuticals, Inc. 1.875%,
09/01/20 8,058,375
3,300,000 Depomed, Inc.µ 2.500%,
09/01/21 3,822,407
3,050,000 Emergent Biosolutions, Inc. 2.875%,
01/15/21 3,509,406
3,450,000 Gilead Sciences, Inc. 1.625%,
05/01/16 15,868,240
2,800,000 Hologic, Inc.^‡ 2.000%,
12/15/37 3,880,730
Illumina, Inc.*^
6,700,000 0.000%, 06/15/19 7,585,036
6,400,000 0.500%, 06/15/21 7,555,936
1,435,000 Incyte Corp.µ 1.250%,
11/15/20 2,374,150
3,200,000 Insulet Corp.µ 2.000%,
06/15/19 3,138,496
2,900,000 Isis Pharmaceuticals, Inc.*µ 1.000%, 11/15/21 3,517,425
3,300,000 Jazz Investments I, Ltd.*^ 1.875%,
08/15/21 3,830,310
4,750,000 Medicines Company* 2.500%,
01/15/22 5,167,763
3,489,000 Medidata Solutions, Inc.^ 1.000%,
08/01/18 3,741,377
Molina Healthcare, Inc.µ
4,000,000 1.625%, 08/15/44 4,364,180
3,242,000 1.625%, 08/15/44* 3,554,043
3,200,000 Salix Pharmaceuticals, Ltd. 1.500%,
03/15/19 6,733,376
129,615,300
Industrials (0.8%)
2,022,000 Air Lease Corp.µ 3.875%,
12/01/18 2,758,230
4,150,000 Huron Consulting Group, Inc.*µ 1.250%, 10/01/19 4,683,213
7,441,443
PRINCIPAL AMOUNT VALUE
Information Technology (22.0%)
6,600,000 AOL, Inc.*^µ 0.750%,
09/01/19 $ 6,874,329
3,300,000 Citrix Systems, Inc.*^µ 0.500%, 04/15/19 3,420,714
5,150,000 Euronet Worldwide, Inc.*µ 1.500%, 10/01/44 4,921,958
2,700,000 Finisar Corp. 0.500%,
12/15/33 2,581,943
9,700,000 Intel Corp.^ 3.250%,
08/01/39 15,768,223
6,200,000 InvenSense, Inc.^µ 1.750%,
11/01/18 5,792,381
6,600,000 LinkedIn Corp.*µ 0.500%,
11/01/19 6,966,267
14,250,000 Mentor Graphics Corp.^ 4.000%,
04/01/31 17,470,286
6,225,000 Micron Technology, Inc.^ 2.125%,
02/15/33 16,791,128
2,200,000 Novellus Systems, Inc.^µ 2.625%, 05/15/41 4,853,211
5,700,000 NVIDIA Corp. 1.000%,
12/01/18 6,411,103
3,400,000 NXP Semiconductors, NV*^ 1.000%,
12/01/19 3,644,817
8,000,000 ON Semiconductor Corp.^ 2.625%,
12/15/26 9,513,440
5,050,000 Palo Alto Networks, Inc.*^µ 0.000%, 07/01/19 6,591,664
8,800,000 Salesforce.com, Inc.^µ 0.250%,
04/01/18 9,848,872
17,500,000 SanDisk Corp.^µ 0.500%,
10/15/20 18,665,587
11,550,000 ServiceNow, Inc.^µ 0.000%,
11/01/18 13,751,776
SunEdison, Inc.*^µ
8,378,000 0.250%, 01/15/20 7,827,105
1,531,000 2.000%, 10/01/18 2,179,440
5,125,000 SunPower Corp.µ 0.750%,
06/01/18 6,041,709
3,200,000 Synchronoss Technologies, Inc.µ 0.750%, 08/15/19 3,440,560
2,600,000 Take-Two Interactive Software, Inc.^µ 1.000%, 07/01/18 3,832,855
Twitter, Inc.*
3,100,000 1.000%, 09/15/21^ 2,781,336
3,100,000 0.250%, 09/15/19µ 2,803,563
4,000,000 Verint Systems, Inc.^ 1.500%,
06/01/21 4,260,860
6,700,000 Yahoo!, Inc. 0.000%,
12/01/18 7,247,725
194,282,852
Materials (1.4%)
6,950,000 Cemex, SAB de CV^µ 3.250%,
03/15/16 7,537,136
RTI International Metals, Inc.^
2,800,000 1.625%, 10/15/19 2,589,020
2,600,000 3.000%, 12/01/15µ 2,638,415
12,764,571
TOTAL CONVERTIBLE BONDS (Cost $471,818,715) 497,466,541

See accompanying Notes to Schedule of Investments

Calamos Convertible Opportunities and Income Fund

SCHEDULE OF INVESTMENTS JANUARY 31, 2015 (UNAUDITED)

PRINCIPAL AMOUNT VALUE
U.S. GOVERNMENT AND AGENCY SECURITY (0.1%)
684,000 United States Treasury Note~ 0.250%, 12/15/15 (Cost $683,764) $ 684,508
SYNTHETIC CONVERTIBLE SECURITIES (1.5%)¤
Corporate Bonds (1.3%)
Consumer Discretionary (0.3%)
32,000 Altice, SA*^ 7.750%, 05/15/22 33,100
8,000 Brunswick Corp.*µ 4.625%, 05/15/21 7,955
31,000 Century Communities, Inc.*µ 6.875%, 05/15/22 30,264
45,000 Chrysler Group, LLC 8.000%, 06/15/19 47,531
25,000 Cogeco Cable, Inc.*µ 4.875%, 05/01/20 25,219
139,000 Cooper Tire & Rubber Company^µ 8.000%, 12/15/19 155,680
103,000 Dana Holding Corp.µ 6.750%, 02/15/21 110,017
DISH DBS Corp.µ
154,000 5.125%, 05/01/20 157,176
124,000 7.875%, 09/01/19^ 140,817
91,000 Dufry Finance, SCA*µ 5.500%, 10/15/20 94,356
34,000 GameStop Corp.*^ 5.500%, 10/01/19 34,659
64,000 Golden Nugget Escrow, Inc.*^µ 8.500%, 12/01/21 63,920
30,000 Goodyear Tire & Rubber Companyµ 8.250%, 08/15/20 32,063
54,000 Hasbro, Inc.^µ 6.600%, 07/15/28 64,931
114,000 Jaguar Land Rover Automotive, PLC*µ 8.125%, 05/15/21 125,756
L Brands, Inc.µ
68,000 7.600%, 07/15/37 76,627
44,000 5.625%, 02/15/22 47,795
15,000 6.950%, 03/01/33 16,219
32,000 Liberty Interactive, LLCµ 8.250%, 02/01/30 35,500
Meritage Homes Corp.µ
77,000 7.150%, 04/15/20 82,246
43,000 7.000%, 04/01/22 45,338
42,000 NCL Corp., Ltd. - Class Cµ 5.000%, 02/15/18 42,499
Neiman Marcus Group Ltd., LLC*µ
14,000 8.750%, 10/15/21 14,691
11,000 8.000%, 10/15/21^ 11,419
64,000 Netflix, Inc.^µ 5.375%, 02/01/21 66,320
64,000 Numericable Group, SA* 6.000%, 05/15/22 65,520
58,000 Outerwall, Inc.µ 6.000%, 03/15/19 56,623
52,000 Penske Automotive Group, Inc.µ 5.375%, 12/01/24 52,975
PRINCIPAL AMOUNT VALUE
88,000 Royal Caribbean Cruises, Ltd.^ 7.500%, 10/15/27 $ 100,705
Ryland Group, Inc.µ
125,000 6.625%, 05/01/20^ 131,797
34,000 5.375%, 10/01/22 33,108
80,000 Service Corp. International^µ 7.500%, 04/01/27 90,100
66,000 Six Flags Entertainment Corp.*µ 5.250%, 01/15/21 66,907
68,000 Taylor Morrison Communities, Inc.*µ 5.250%, 04/15/21 64,387
68,000 Time, Inc.*^µ 5.750%, 04/15/22 65,875
Toll Brothers Finance Corp.
97,000 5.625%, 01/15/24 104,275
26,000 4.000%, 12/31/18µ 26,439
2,420,809
Consumer Staples (0.1%)
22,000 Alphabet Holding Company, Inc.^ 7.750%, 11/01/17 19,140
83,000 Fidelity & Guaranty Life Holdings, Inc.*µ 6.375%, 04/01/21 88,239
113,000 JBS USA, LLC*µ 7.250%, 06/01/21 116,884
123,000 Land O’Lakes, Inc.*^µ 6.000%, 11/15/22 131,764
57,000 Post Holdings, Inc.µ 7.375%, 02/15/22 58,176
72,000 Smithfield Foods, Inc.µ 6.625%, 08/15/22 76,455
490,658
Energy (0.2%)
76,000 Atwood Oceanics, Inc.µ 6.500%, 02/01/20 68,922
Berry Petroleum Company, LLC
57,000 6.375%, 09/15/22µ 40,470
16,000 6.750%, 11/01/20 11,680
27,000 Bill Barrett Corp.^ 7.000%, 10/15/22 22,494
26,000 Blue Racer Midstream, LLC / Blue Racer Finance Corp.*^ 6.125%, 11/15/22 25,740
57,000 Bonanza Creek Energy, Inc.µ 6.750%, 04/15/21 51,229
51,000 Calfrac Holdings, LP*µ 7.500%, 12/01/20 43,701
Calumet Specialty Products Partners, LPµ
52,000 7.625%, 01/15/22 47,255
36,000 9.625%, 08/01/20^ 35,685
19,000 6.500%, 04/15/21* 16,459
Carrizo Oil & Gas, Inc.µ
100,000 7.500%, 09/15/20 98,187
74,000 8.625%, 10/15/18^ 74,185
129,000 Cimarex Energy Company^µ 5.875%, 05/01/22 134,724
159,000 Drill Rigs Holdings, Inc.*µ 6.500%, 10/01/17 125,908
66,000 Energy Transfer Equity, LPµ 5.875%, 01/15/24 68,557
125,000 Gulfmark Offshore, Inc.µ 6.375%, 03/15/22 96,719

See accompanying Notes to Schedule of Investments

Calamos Convertible Opportunities and Income Fund

SCHEDULE OF INVESTMENTS JANUARY 31, 2015 (UNAUDITED)

PRINCIPAL AMOUNT VALUE
96,000 Gulfport Energy Corp.µ 7.750%, 11/01/20 $ 95,640
70,000 Halcon Resources Corp.^µ 9.750%, 07/15/20 47,075
125,000 Laredo Petroleum, Inc.µ 7.375%, 05/01/22 119,219
Linn Energy, LLCµ
34,000 8.625%, 04/15/20 27,243
34,000 7.750%, 02/01/21 25,904
30,000 6.250%, 11/01/19^ 23,006
23,000 6.500%, 05/15/19 17,969
Oasis Petroleum, Inc.µ
95,000 6.500%, 11/01/21 87,103
28,000 6.875%, 01/15/23 25,743
52,000 Pacific Drilling, SA*µ 5.375%, 06/01/20 39,000
62,000 Petroleum Geo-Services, ASA*µ 7.375%, 12/15/18 52,622
23,000 Pioneer Energy Services Corp.µ 6.125%, 03/15/22 16,086
33,000 Rice Energy, Inc.^ 6.250%,
05/01/22 31,928
114,000 SEACOR Holdings, Inc.µ 7.375%, 10/01/19 118,275
38,000 Seventy Seven Operating, LLCµ 6.625%, 11/15/19 27,621
41,000 SM Energy Companyµ 6.500%, 11/15/21 40,487
82,000 Trinidad Drilling, Ltd.*µ 7.875%, 01/15/19 76,875
193,000 W&T Offshore, Inc.µ 8.500%, 06/15/19 124,244
63,000 Western Refining, Inc.µ 6.250%, 04/01/21 61,622
2,019,577
Financials (0.1%)
55,000 AON Corp.^µ 8.205%, 01/01/27 71,191
129,000 Black Knight InfoServ, LLCµ 5.750%, 04/15/23 137,277
30,000 DuPont Fabros Technology, LPµ 5.875%, 09/15/21 31,256
54,000 First Cash Financial Services, Inc.µ 6.750%, 04/01/21 55,924
45,000 iStar Financial, Inc.µ 4.875%,
07/01/18 44,550
Jefferies Finance, LLC*µ
97,000 7.375%, 04/01/20 89,967
27,000 6.875%, 04/15/22 24,368
52,000 Nationstar Mortgage, LLC / Nationstar Capital Corp.µ 6.500%, 07/01/21 45,207
125,000 Neuberger Berman Group, LLC*µ 5.875%, 03/15/22 132,624
632,364
Health Care (0.1%)
73,000 Alere, Inc.µ 6.500%, 06/15/20 74,414
85,000 Community Health Systems, Inc.µ 7.125%, 07/15/20 90,631
71,000 Crimson Merger Sub, Inc.*µ 6.625%, 05/15/22 61,903
PRINCIPAL AMOUNT VALUE
70,000 DaVita HealthCare Partners, Inc.µ 5.125%, 07/15/24 $ 71,881
Endo International, PLC*µ
170,000 7.000%, 12/15/20^ 178,394
23,000 7.000%, 07/15/19 24,150
HCA Holdings, Inc.µ
182,000 5.875%, 05/01/23 197,925
44,000 6.250%, 02/15/21 47,685
68,000 HCA, Inc.µ 7.750%, 05/15/21 72,803
131,000 Hologic, Inc.µ 6.250%, 08/01/20 136,731
125,000 Teleflex, Inc.^µ 6.875%, 06/01/19 130,156
140,000 Tenet Healthcare Corp.µ 6.750%, 02/01/20 148,838
Valeant Pharmaceuticals International, Inc.*
141,000 7.000%, 10/01/20µ 148,931
8,000 5.500%, 03/01/23 8,210
VPII Escrow Corp.*
22,000 7.500%, 07/15/21µ 24,145
22,000 6.750%, 08/15/18^ 23,403
1,440,200
Industrials (0.2%)
107,000 ACCO Brands Corp.µ 6.750%, 04/30/20 114,156
141,000 Deluxe Corp.µ 6.000%, 11/15/20 146,640
65,000 DigitalGlobe, Inc.*µ 5.250%, 02/01/21 62,441
124,000 Dycom Investments, Inc.µ 7.125%, 01/15/21 130,278
62,000 Edgen Murray Corp.*µ 8.750%,
11/01/20 67,774
50,000 Garda World Security Corp.*µ 7.250%, 11/15/21 49,031
64,000 GrafTech International, Ltd.^ 6.375%, 11/15/20 54,560
103,000 H&E Equipment Services, Inc.µ 7.000%, 09/01/22 98,236
Icahn Enterprises, LPµ
88,000 5.875%, 02/01/22 90,090
54,000 6.000%, 08/01/20 56,869
12,000 4.875%, 03/15/19 12,225
80,000 Manitowoc Company, Inc.µ 8.500%, 11/01/20 86,550
32,000 Meritor, Inc.µ 6.750%, 06/15/21 33,320
Michael Baker International, LLC*µ
66,000 8.250%, 10/15/18 65,464
34,000 8.875%, 04/15/19 30,791
68,000 Navistar International Corp.^ 8.250%, 11/01/21 66,470
41,000 Nortek, Inc.µ 8.500%, 04/15/21 43,716
149,000 Rexel, SA*µ 6.125%, 12/15/19 156,450
110,000 Terex Corp.µ 6.000%, 05/15/21 111,650
46,000 Titan International, Inc.µ 6.875%, 10/01/20 39,761
53,000 TransDigm, Inc.µ 5.500%, 10/15/20 52,073

See accompanying Notes to Schedule of Investments

Calamos Convertible Opportunities and Income Fund

SCHEDULE OF INVESTMENTS JANUARY 31, 2015 (UNAUDITED)

PRINCIPAL AMOUNT VALUE
45,000 Triumph Group, Inc.µ 4.875%, 04/01/21 $ 44,578
52,000 United Continental Holdings, Inc.µ 6.375%, 06/01/18 55,575
United Rentals North America, Inc.µ
125,000 7.625%, 04/15/22 137,812
32,000 6.125%, 06/15/23 33,400
1,839,910
Information Technology (0.1%)
73,000 Activision Blizzard, Inc.*µ 5.625%, 09/15/21 78,156
Amkor Technology, Inc.µ
75,000 6.375%, 10/01/22^ 74,531
21,000 6.625%, 06/01/21 21,394
182,000 Belden, Inc.*^µ 5.500%, 09/01/22 182,682
56,000 Cardtronics, Inc.*µ 5.125%, 08/01/22 55,020
45,000 Equinix, Inc.µ 5.375%, 04/01/23 46,716
148,000 Hughes Satellite Systems Corp.µ 7.625%, 06/15/21 161,967
91,000 J2 Global, Inc.µ 8.000%, 08/01/20 98,394
68,000 Nuance Communications, Inc.*^µ 5.375%, 08/15/20 68,637
45,000 NXP Semiconductors, NV*µ 5.750%, 02/15/21 47,503
102,000 Sungard Data Systems, Inc.µ 6.625%, 11/01/19 102,765
77,000 ViaSat, Inc.µ 6.875%, 06/15/20 80,369
125,000 Viasystems, Inc.*µ 7.875%,
05/01/19 132,422
1,150,556
Materials (0.1%)
33,000 Chemtura Corp.µ 5.750%, 07/15/21 32,526
First Quantum Minerals, Ltd.*
35,000 7.000%, 02/15/21µ 29,225
35,000 6.750%, 02/15/20 29,750
170,000 FMG Resources*^ 8.250%, 11/01/19 151,300
100,000 Greif, Inc.µ 7.750%, 08/01/19 113,375
INEOS Group Holdings, SA*^
50,000 6.125%, 08/15/18 48,156
27,000 5.875%, 02/15/19 25,667
New Gold, Inc.*µ
91,000 7.000%, 04/15/20 90,886
25,000 6.250%, 11/15/22 24,719
53,000 PH Glatfelter Companyµ 5.375%, 10/15/20 54,225
Sealed Air Corp.*µ
47,000 6.500%, 12/01/20 52,082
20,000 5.250%, 04/01/23 20,775
117,000 Trinseo Materials Operating, SCA^ 8.750%, 02/01/19 118,755
64,000 United States Steel Corp.µ 6.875%, 04/01/21 63,840
855,281
PRINCIPAL AMOUNT VALUE
Telecommunication Services (0.1%)
46,000 CenturyLink, Inc.µ 6.750%, 12/01/23 $ 51,707
Frontier Communications Corp.µ
63,000 7.625%, 04/15/24 66,741
6,000 6.875%, 01/15/25 6,094
Intelsat, SA^
127,000 7.750%, 06/01/21µ 126,365
9,000 8.125%, 06/01/23 9,129
53,000 SBA Communications Corp.µ 5.625%, 10/01/19 55,584
Sprint Corp.
255,000 7.875%, 09/15/23µ 259,622
34,000 7.125%, 06/15/24^ 33,086
24,000 7.250%, 09/15/21 24,060
107,000 T-Mobile USA, Inc.µ 6.625%, 04/01/23 111,213
743,601
Utilities (0.0%)
68,000 AES Corp.µ 7.375%, 07/01/21 75,862
113,000 AmeriGas Finance Corp.^µ 7.000%, 05/20/22 118,509
194,371
TOTAL CORPORATE BONDS 11,787,327
U.S. Government and Agency Security (0.0%)
16,000 United States Treasury Note~ 0.250%, 12/15/15 16,012
NUMBER OF CONTRACTS VALUE
Purchased Options (0.2%)#
Consumer Discretionary (0.1%)
3,650 Lennar Corp. Call, 05/15/15, Strike $47.00 757,375
Health Care (0.1%)
4,085 Mylan, Inc. Call, 04/17/15, Strike $55.00 972,230
Information Technology (0.0%)
930 Twitter, Inc. Call, 06/19/15, Strike $40.00 353,400
TOTAL PURCHASED OPTIONS 2,083,005
TOTAL SYNTHETIC CONVERTIBLE SECURITIES (Cost $15,078,847) 13,886,344
NUMBER OF SHARES VALUE
CONVERTIBLE PREFERRED STOCKS (16.8%)
Consumer Staples (1.7%)
54,000 Bunge, Ltd.^µ 4.875% 5,953,500
30,800 Post Holdings, Inc. 5.250% 2,988,986

See accompanying Notes to Schedule of Investments

Calamos Convertible Opportunities and Income Fund

SCHEDULE OF INVESTMENTS JANUARY 31, 2015 (UNAUDITED)

NUMBER OF SHARES VALUE
130,000 Tyson Foods, Inc. 4.750% $ 6,288,100
15,230,586
Energy (2.2%)
19,133 Chesapeake Energy Corp.*^ 5.750% 19,455,869
Financials (5.0%)
350,000 Affiliated Managers Group, Inc.^µ 5.150% 21,459,375
64,000 American Tower Corp.^ 5.250% 7,024,000
93,000 Crown Castle International Corp. 4.500% 10,120,260
103,333 Weyerhaeuser Company 6.375% 5,964,381
44,568,016
Industrials (3.7%)
58,200 Genesee & Wyoming, Inc.^ 5.000% 6,293,166
Stanley Black & Decker, Inc.^
91,966 4.750%µ 12,277,461
16,750 6.250% 1,927,422
200,000 United Technologies Corp.^µ 7.500% 11,988,000
32,486,049
Telecommunication Services (0.8%)
161,000 Intelsat, SAµ 5.750% 7,053,410
Utilities (3.4%)
170,000 Dominion Resources, Inc. 6.375% 8,792,400
130,000 Exelon Corp.^ 6.500% 6,806,800
NextEra Energy, Inc.
185,000 5.799%^ 10,767,000
46,000 5.599% 3,291,530
29,657,730
TOTAL CONVERTIBLE PREFERRED STOCKS (Cost $137,054,511) 148,451,660
COMMON STOCKS (2.0%)
Financials (2.0%)
13,850 American International Group, Inc.µ 676,850
308,685 MetLife, Inc.^µ 14,353,852
190,000 Och-Ziff Capital Management Group, LLC - Class Aµ 2,107,100
TOTAL COMMON STOCKS (Cost $18,997,621) 17,137,802
NUMBER OF SHARES VALUE
SHORT TERM INVESTMENT (5.4%)
47,953,352 Fidelity Prime Money Market Fund - Institutional Class (Cost $47,953,352) $ 47,953,352
TOTAL INVESTMENTS (139.3%) (Cost $1,203,063,261) 1,232,679,885
LIABILITIES, LESS OTHER ASSETS (-39.3%) (347,858,074 )
NET ASSETS (100.0%) $ 884,821,811
NUMBER OF CONTRACTS VALUE
WRITTEN OPTION (0.0%)#
Information Technology (0.0%)
930 Twitter, Inc. Call, 06/19/15, Strike $50.00 (Premium $245,307) (115,320 )

NOTES TO SCHEDULE OF INVESTMENTS

| * | Securities issued and sold pursuant to a Rule 144A transaction are excepted from the registration requirement of the Securities Act of 1933, as amended. These securities may only be
sold to qualified institutional buyers (“QIBs”), such as the fund. Any resale of these securities must generally be effected through a sale that is registered under the Act or otherwise exempted from such registration
requirements. |
| --- | --- |
| ^ | Security, or portion of security, is on loan. |
| µ | Security, or portion of security, is held in a segregated account as collateral for note payable aggregating a total value of $720,188,655. $162,671,948 of the collateral has been
re-registered by one of the counterparties, BNP (see Note 3 — Borrowings). |
| § | Securities exchangeable or convertible into securities of one or more entities that are different than the issuer. Each entity is identified in the parenthetical. |
| ‡ | Variable rate or step bond security. The rate shown is the rate in effect at January 31, 2015. |
| ~ | Security, or portion of security, is segregated as collateral for swaps. The aggregate value of such securities is $700,520. |
| ¤ | The synthetic convertible securities strategy combines separate securities that together possess the economic characteristics similar to a convertible security. |
| # | Non-income producing security. |

FOREIGN CURRENCY ABBREVIATION

EUR European Monetary Unit

Note: Value for securities denominated in foreign currencies is shown in U.S. dollars. The principal amount for such securities is shown in the respective foreign currency. The date on options represents the expiration date of the option contract. The option contract may be exercised at any date on or before the date shown.

See accompanying Notes to Schedule of Investments

Calamos Convertible Opportunities and Income Fund

INTEREST RATE SWAPS

| Counterparty | Fixed
Rate (Fund Pays) | Floating Rate (Fund Receives) | Termination Date | Notional Amount | Unrealized Appreciation/ (Depreciation) | |
| --- | --- | --- | --- | --- | --- | --- |
| BNP Paribas, SA | 1.160% quarterly | 3 month LIBOR | 04/19/17 | $ 55,000,000 | $ (520,087 | ) |
| BNP Paribas, SA | 1.140% quarterly | 3 month LIBOR | 03/14/17 | 40,000,000 | (406,328 | ) |
| | | | | | $ (926,415 | ) |

See accompanying Notes to Schedule of Investments

NOTE 1 — ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES

Organization. Calamos Convertible Opportunities and Income Fund (the “Fund”) was organized as a Delaware statutory trust on April 17, 2002 and is registered under the Investment Company Act of 1940 (the “1940 Act”) as a diversified, closed-end management investment company. The Fund commenced operations on June 26, 2002. The Fund’s investment objective is to provide total return through a combination of capital appreciation and current income. Under normal circumstances, the Fund will invest at least 80% of its managed assets in a diversified portfolio of convertibles and non-convertible income securities. “Managed assets” means the Fund’s total assets (including any assets attributable to any leverage that may be outstanding) minus total liabilities (other than debt representing financial leverage).

Fund Valuation. The valuation of the Fund’s investments is in accordance with policies and procedures adopted by and under the ultimate supervision of the board of trustees.

Fund securities that are traded on U.S. securities exchanges, except option securities, are valued at the official closing price, which is the last current reported sales price on its principal exchange at the time each Fund determines its net asset value (“NAV”). Securities traded in the over-the-counter market and quoted on The NASDAQ Stock Market are valued at the NASDAQ Official Closing Price, as determined by NASDAQ, or lacking a NASDAQ Official Closing Price, the last current reported sale price on NASDAQ at the time a Fund determines its NAV. When a last sale or closing price is not available, equity securities, other than option securities, that are traded on a U.S. securities exchange and other equity securities traded in the over-the-counter market are valued at the mean between the most recent bid and asked quotations on its principal exchange in accordance with guidelines adopted by the board of trustees. Each option security traded on a U.S. securities exchange is valued at the mid-point of the consolidated bid/ask quote for the option security, also in accordance with guidelines adopted by the board of trustees. Each over-the-counter option that is not traded through the Options Clearing Corporation is valued based on a quotation provided by the counterparty to such option under the ultimate supervision of the board of trustees.

Fixed income securities, certain convertible preferred securities, and non-exchange traded derivatives are normally valued by independent pricing services or by dealers or brokers who make markets in such securities. Valuations of such fixed income securities, certain convertible preferred securities, and non-exchange traded derivatives consider yield or price of equivalent securities of comparable quality, coupon rate, maturity, type of issue, trading characteristics and other market data and do not rely exclusively upon exchange or over-the-counter prices.

Trading on European and Far Eastern exchanges and over-the-counter markets is typically completed at various times before the close of business on each day on which the New York Stock Exchange (“NYSE”) is open. Each security trading on these exchanges or in over-the-counter markets may be valued utilizing a systematic fair valuation model provided by an independent pricing service approved by the board of trustees. The valuation of each security that meets certain criteria in relation to the valuation model is systematically adjusted to reflect the impact of movement in the U.S. market after the foreign markets close. Securities that do not meet the criteria, or that are principally traded in other foreign markets, are valued as of the last reported sale price at the time the Fund determines its NAV, or when reliable market prices or quotations are not readily available, at the mean between the most recent bid and asked quotations as of the close of the appropriate exchange or other designated time. Trading of foreign securities may not take place on every NYSE business day. In addition, trading may take place in various foreign markets on Saturdays or on other days when the NYSE is not open and on which the Fund’s NAV is not calculated.

If the pricing committee determines that the valuation of a security in accordance with the methods described above is not reflective of a fair value for such security, the security is valued at a fair value by the pricing committee, under the ultimate supervision of the board of trustees, following the guidelines and/or procedures adopted by the board of trustees.

The Fund also may use fair value pricing, pursuant to guidelines adopted by the board of trustees and under the ultimate supervision of the board of trustees, if trading in the security is halted or if the value of a security it holds is materially affected by events occurring before the Fund’s pricing time but after the close of the primary market or exchange on which the security is listed. Those procedures may utilize valuations furnished by pricing services approved by the board of trustees, which may be based on market transactions for comparable securities and various relationships between securities that are generally recognized by institutional traders, a computerized matrix system, or appraisals derived from information concerning the securities or similar securities received from recognized dealers in those securities.

When fair value pricing of securities is employed, the prices of securities used by a Fund to calculate its NAV may differ from market quotations or official closing prices. In light of the judgment involved in fair valuations, there can be no assurance that a fair value assigned to a particular security is accurate.

Investment Transactions. Investment transactions are recorded on a trade date basis as of January 31, 2015.

Foreign Currency Translation. Values of investments and other assets and liabilities denominated in foreign currencies are translated into U.S. dollars using a rate quoted by a major bank or dealer in the particular currency market, as reported by a recognized quotation dissemination service.

Option Transactions. For hedging and investment purposes, the Fund may purchase or write (sell) put and call options. One of the risks associated with purchasing an option is that the Fund pays a premium whether or not the option is exercised. Additionally, the Fund bears the risk of loss of premium and change in value should the counterparty not perform under the contract. The Fund as writer of an option bears the market risk of an unfavorable change in the price of the security underlying the written option.

NOTE 2 — INVESTMENTS

The following information is presented on a federal income tax basis as of January 31, 2015. Differences between the cost basis under U.S. generally accepted accounting principles and federal income tax purposes are primarily due to temporary differences.

The cost basis of investments for federal income tax purposes at January 31, 2015 was as follows:

Cost basis of investments $
Gross unrealized appreciation 76,232,375
Gross unrealized depreciation (58,144,192 )
Net unrealized appreciation (depreciation) $ 18,088,183

NOTE 3 — BORROWINGS

The Fund, with the approval of its board of trustees, including its independent trustees, has entered into a financing package that includes a Committed Facility Agreement (the “BNP Agreement”) with BNP Paribas Prime Brokerage International Ltd. (“BNP”) that allows the Fund to borrow up to $215.0 million and a lending agreement, (“Lending Agreement”) as defined below. In addition, the financing package also includes a Credit Agreement (the “SSB Agreement”, together with the BNP Agreement, “Agreements”) with State Street Bank and Trust Company (“SSB”) that allows the Fund to borrow up to a limit of $215.0 million, and a related securities lending authorization agreement (“Authorized Agreement”). Borrowings under the BNP Agreement and the SSB Agreement are secured by assets of the Fund that are held with the Fund’s custodian in a separate account (the “pledged collateral”). BNP and SSB share an equal claim on the pledged collateral, subject to any adjustment that may be agreed upon between the lenders. Interest on the BNP Agreement is charged at the three month LIBOR (London Inter-bank Offered Rate) plus .65% on the amount borrowed and .55% on the undrawn balance. Interest on the SSB Agreement is charged on the drawn amount at the rate of Overnight LIBOR plus .80% and .10% on the undrawn balance (if the undrawn amount is more than 75% of the borrowing limit, the commitment fee is .20%). For the period ended January 31, 2015, the average borrowings under the Agreements were $360.0 million. For the period ended January 31, 2015, the average interest rate was 0.66%. As of January 31, 2015, the amount of total outstanding borrowings was $360.0 million ($180.0 million under the BNP Agreement and $180.0 under the SSB Agreement), which approximates fair value. The interest rate applicable to the borrowings on January 31, 2015 was 0.74%.

The Lending Agreement with BNP is a separate side-agreement between the Fund and BNP pursuant to which BNP may borrow a portion of the pledged collateral (the “Lent Securities”) in an amount not to exceed the outstanding borrowings owed by the Fund to BNP under the BNP Agreement. The Lending Agreement is intended to permit the Fund to significantly reduce the cost of its borrowings under the BNP Agreement. BNP may re-register the Lent Securities in its own name or in another name other than the Fund, and may pledge, re-pledge, sell, lend or otherwise transfer or use the Lent Securities with all attendant rights of ownership. (It is the Fund’s understanding that BNP will perform due diligence to determine the creditworthiness of any party that borrows Lent Securities from BNP.) The Fund may designate any security within the pledged collateral as ineligible to be a Lent Security, provided there are eligible securities within the pledged collateral in an amount equal to the outstanding borrowing owed by the Fund. During the period in which the Lent Securities are outstanding, BNP must remit payment to the Fund equal to the amount of all dividends, interest or other distributions earned or made by the Lent Securities.

Under the terms of the Lending Agreement with BNP, the Lent Securities are marked to market daily, and if the value of the Lent Securities exceeds the value of the then-outstanding borrowings owed by the Fund to BNP under the Agreement (the “Current Borrowings”), BNP must, on that day, either (1) return Lent Securities to the Fund’s custodian in an amount sufficient to cause the value of the outstanding Lent Securities to equal the Current Borrowings; or (2) post cash collateral with the Fund’s custodian equal to the difference between the value of the Lent Securities and the value of the Current Borrowings. If BNP fails to perform either of these actions as required, the Fund will recall securities, as discussed below, in an amount sufficient to cause the value of the outstanding Lent Securities to equal the Current Borrowings. The Fund can recall any of the Lent Securities and BNP shall, to the extent commercially possible, return such security or equivalent security to the Fund’s custodian no later than three business days after such request. If the Fund recalls a Lent Security pursuant to the Lending Agreement, and BNP fails to return the Lent Securities or equivalent securities in a timely fashion, BNP shall remain liable to the Fund’s custodian for the ultimate delivery of such Lent Securities, or equivalent securities, and for any buy-in costs that the executing broker for the sales transaction may impose with respect to the failure to deliver. The Fund shall also have the right to apply and set-off an amount equal to one hundred percent (100%) of the then-current fair market value of such Lent Securities against the Current Borrowings.

Under the terms of the Authorized Agreement with SSB, all securities lent through SSB must be secured continuously by collateral received in cash, cash equivalents, or U.S. Treasury bills and maintained on a current basis at an amount at least equal to the market value of the securities loaned. Cash collateral held by SSB on behalf of the Fund may be credited against the amounts borrowed under the SSB Agreement. Any amounts credited against the SSB Agreement would count against the Fund’s leverage limitations under the 1940 Act, unless otherwise covered in accordance with SEC Release IC-10666. Under the terms of the Authorized Agreement with SSB, SSB will return the value of the collateral to the borrower upon the return of the lent securities, which will eliminate the credit against the SSB Agreement and will cause the amount drawn under the SSB Agreement to increase in an amount equal to the returned collateral. Under the terms of the Authorized Agreement with SSB, the Fund will make a variable “net income” payment related to any collateral credited against the SSB Agreement which will be paid to the securities borrower, less any payments due to the Fund or SSB under the terms of the Authorized Agreement. As of January 31, 2015, the Fund used approximately $144.0 million of its cash collateral to offset the SSB Agreement, representing 11.6% of managed assets, and was required to pay a “net income” payment equal to an annualized interest rate of 0.46%, which can fluctuate depending on interest rates.

NOTE 4 — INTEREST RATE SWAPS

The Fund engages in interest rate swaps primarily to hedge the interest rate risk on the Fund’s borrowings (see Note 3 — Borrowings). An interest rate swap is a contract that involves the exchange of one type of interest rate for another type of interest rate. If interest rates rise, resulting in a diminution in the value of the Fund’s portfolio, the Fund would receive payments under the swap that would offset, in whole or in part, such diminution in value; if interest rates fall, the Fund would likely lose money on the swap transaction. Swap agreements are stated at fair value. Notional principal amounts are used to express the extent of involvement in these transactions, but the amounts potentially subject to credit risk are much smaller. In connection with these contracts, securities may be identified as collateral in accordance with the terms of the respective swap contracts in the event of default or bankruptcy of the Fund.

NOTE 5 — FAIR VALUE MEASUREMENT

Various inputs are used to determine the value of the Fund’s investments. These inputs are categorized into three broad levels as follows:

• Level 1 — Prices are determined using inputs from unadjusted quoted prices from active markets (including securities actively traded on a securities exchange) for identical assets.

• Level 2 — Prices are determined using significant observable market inputs other than unadjusted quoted prices, including quoted prices of similar securities, fair value adjustments to quoted foreign securities, interest rates, credit risk, prepayment speeds, and other relevant data.

• Level 3 — Prices reflect unobservable market inputs (including the Fund’s own judgments about assumptions market participants would use in determining fair value) when observable inputs are unavailable.

Debt securities are valued based upon evaluated prices received from an independent pricing service or from a dealer or broker who makes markets in such securities. Pricing services utilize various observable market data and as such, debt securities are generally categorized as Level 2. The levels are not necessarily an indication of the risk or liquidity of the Fund’s investments. Transfers between the levels for investment securities or other financial instruments are measured at the end of the reporting period.

The following is a summary of the inputs used in valuing the Fund’s holdings at fair value:

Level 1 Level 2 Level 3 Total
Assets:
Corporate Bonds $ — $ 507,099,678 $ — $ 507,099,678
Convertible Bonds — 497,466,541 — 497,466,541
U.S. Government and Agency Security — 684,508 — 684,508
Synthetic Convertible Securities (Corporate Bonds) — 11,787,327 — 11,787,327
Synthetic Convertible Securities (U.S. Government and Agency Security) — 16,012 — 16,012
Synthetic Convertible Securities (Purchased Options) 2,083,005 — — 2,083,005
Convertible Preferred Stocks 95,302,400 53,149,260 — 148,451,660
Common Stocks U.S. 17,137,802 — — 17,137,802
Short Term Investment 47,953,352 — — 47,953,352
Total $ 162,476,559 $ 1,070,203,326 $ — $ 1,232,679,885
Liabilities:
Written Option $ 115,320 $ — $ — $ 115,320
Interest Rate Swaps — 926,415 — 926,415
Total $ 115,320 $ 926,415 $ — $ 1,041,735

ITEM 2. CONTROLS AND PROCEDURES.

a) The registrant’s principal executive officer and principal financial officer have evaluated the registrant’s disclosure controls and procedures within 90 days of this filing and have concluded that the registrant’s disclosure controls and procedures were effective, as of that date, in ensuring that information required to be disclosed by the registrant in this Form N-Q was recorded, processed, summarized, and reported timely.

b) There were no changes in the registrant’s internal controls over financial reporting (as defined in Rule 30a-3(d) under the Investment Company Act of 1940) that occurred during the registrant’s last fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting.

ITEM 3. EXHIBITS.

(a) Certification of Principal Executive Officer.

(b) Certification of Principal Financial Officer.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Calamos Convertible Opportunities and Income Fund
By: /s/ John P. Calamos, Sr.
Name: John P. Calamos, Sr.
Title: Principal Executive Officer
Date: March 23, 2015

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

Calamos Convertible Opportunities and Income Fund
By: /s/ John P. Calamos, Sr.
Name: John P. Calamos, Sr.
Title: Principal Executive Officer
Date: March 23, 2015
By: /s/ Nimish S. Bhatt
Name: Nimish S. Bhatt
Title: Principal Financial Officer
Date: March 23, 2015

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