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