0001193125-12-244529.txt : 20120523 0001193125-12-244529.hdr.sgml : 20120523 20120523105154 ACCESSION NUMBER: 0001193125-12-244529 CONFORMED SUBMISSION TYPE: 13F-HR/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120331 FILED AS OF DATE: 20120523 DATE AS OF CHANGE: 20120523 EFFECTIVENESS DATE: 20120523 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Calamos Advisors LLC CENTRAL INDEX KEY: 0001316507 IRS NUMBER: 201647533 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR/A SEC ACT: 1934 Act SEC FILE NUMBER: 028-11166 FILM NUMBER: 12863386 BUSINESS ADDRESS: STREET 1: 2020 CALAMOS COURT CITY: NAPERVILLE STATE: IL ZIP: 60563 BUSINESS PHONE: 6302451046 MAIL ADDRESS: STREET 1: 2020 CALAMOS COURT CITY: NAPERVILLE STATE: IL ZIP: 60563 13F-HR/A 1 d355172d13fhra.txt FORM 13F-HR/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 2012 Check here if Amendment [X]; Amendment Number: 1 This Amendment (Check only one.): [ ] is a restatement [X] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: CALAMOS ADVISORS LLC Address: 2020 Calamos Court Naperville, Illinois 60563 Form 13F File Number: 28-2864 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Elizabeth A. Watkins Title: Chief Compliance Officer Phone: (630) 245-7200 Signature, Place, and Date of Signing: /s/ Elizabeth A. Watkins Naperville, Illinois May 23, 2012 ------------------------- --------------------- ------------- [Signature] [City, State] [Date] Report Type (Check only one.): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [ ] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) [ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) FORM 13F SUMMARY PAGE Report Summary: Form 13F Information Table Entry Total: 22 Form 13F Information Table Value Total: $929,026 ----------- (thousands)
Column 1 Column 2 Column 3 Column 4 Column 5 Column 6 Column 7 Column 8 Voting Authority ---------------------- SHS or Title of Value PRN Investment Other Name of Issuer Class CUSIP (x1000) Amount Call/Put Discretion Managers Sole Shared None -------------- ----------- --------- -------- --------- -------- ---------- -------- ------- ------ ------- CITIGROUP INC................... COMMON STOCK 172967424 7,007 191,706 Shs Sole None 191706 0 COVIDIEN PLC.................... COMMON STOCK G2554F113 66,248 1,211,567 Shs Sole None 27140 251 GILEAD SCIENCES (2 LOT MIN)..... CONVERTIBLE SECURITY 375558AN3 33,192 27,391 Prn Sole None 224331 4,675 GILEAD SCIENCES (2 LOT MIN)..... CONVERTIBLE SECURITY 375558AP8 293,014 229,356 Prn Sole None 28754 0 HELIX ENERGY SOLUTIONS GROUP... CONVERTIBLE SECURITY 42330PAG2 31,417 29,639 Prn Sole None 35518 205 HOLOGIC INC..................... CONVERTIBLE SECURITY 436440AC5 35,678 35,723 Prn Sole None 13800 0 IXIA............................ CONVERTIBLE SECURITY 45071RAB5 6,611 6,357 Prn Sole None 4500 0 JAZZ PHARMACEUTICALS PLC........ COMMON STOCK G50871105 935 19,300 Shs Sole None 4500 0 KNIGHT CAPITAL GROUP INC........ CONVERTIBLE SECURITY 499005AE6 13,265 13,800 Prn Sole None 4332 0 LINKEDIN CORPORATION............ COMMON STOCK 53578A108 1,000 9,800 Shs Sole None 31321 224 MARATHON PETROLEUM.............. COMMON STOCK 56585A102 2,276 52,500 Shs Sole None 20394 0 MEDIVATION INC.................. CONVERTIBLE SECURITY 58501NAA9 4,776 4,500 Prn Sole None 66536 220 MGM MIRAGE...................... CONVERTIBLE SECURITY 55303QAE0 4,776 4,500 Prn Sole None 6357 0 MICRON TECHNOLOGY INC........... CONVERTIBLE SECURITY 595112AK9 4,300 4,332 Prn Sole None 1081617 129,950 MONSTER BEVERAGE CORP........... COMMON STOCK 611740101 95,492 1,537,961 Shs Sole None 19300 0 MOSAIC CO....................... COMMON STOCK 61945C103 108,051 1,954,250 Shs Sole None 1954250 0 ON SEMICONDUCTOR CORP........... CONVERTIBLE SECURITY 682189AH8 38,169 31,545 Prn Sole None 9800 0 ROVI CORP....................... CONVERTIBLE SECURITY 779376AB8 21,490 20,394 Prn Sole None 1318386 219,575 TIM PARTICIPACOES SA - ADR...... COMMON STOCK 88706P205 69,558 2,156,170 Shs Sole None 52500 0 XILINX INC...................... CONVERTIBLE SECURITY 983919AF8 90,204 66,756 Prn Sole None 1928072 228,098 GILEAD SCIENCES (2 LOT MIN)..... CONVERTIBLE American SECURITY 375558AN3 1,135 27,391 Prn Other Beacon 885 0 GILEAD SCIENCES (2 LOT MIN)..... CONVERTIBLE American SECURITY 375558AP8 430 229,356 Prn Other Beacon 350 0