13F-HR/A 1 c80639e13fvhrza.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: September 30, 2008 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: Magnetar Financial LLC Address: 1603 Orrington Avenue, 13th Floor Evanston, IL 60201 Form 13F File Number: 28-11800 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: Michael Turro Title: Chief Compliance Officer Phone: 847-905-4690 Signature, Place, and Date of Signing: /s/ Michael Turro Evanston, IL February 17, 2009 ------------------------------ --------------------------- ----------------- [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: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 13 Form 13F Information Table Value Total: $1,480,360 (thousands) List of Other Included Managers: NONE FORM 13F INFORMATION TABLE
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 ---------------------- -------- --------- -------- ------------------ ---------- -------- --------------------- VOTING AUTHORITY NAME OF TITLE OF VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER --------------------- ISSUER CLASS CUSIP [x$1000] PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE ---------------------- -------- --------- -------- --------- --- ---- ---------- -------- --------- ------ ---- ALPHA NATURAL RESOURCES INC COM 02076X102 64,288 1,250,000 SH CALL SOLE 1,250,000 ANHEUSER BUSCH COS INC COM 35229103 14,837 228,684 SH SOLE 228,684 BCE INC COM NEW 05534B760 34,710 1,000,000 SH SOLE 1,000,000 BCE INC COM NEW 05534B760 11,385 328,000 SH PUT SOLE 328,000 BARR PHARMACEUTICALS INC COM 68306109 400,745 6,136,989 SH SOLE 6,136,989 GENENTECH INC COM NEW 368710406 323,860 3,652,009 SH SOLE 3,652,009 GENENTECH INC COM NEW 368710406 193,908 2,186,600 SH CALL SOLE 2,186,600 GENENTECH INC COM NEW 368710406 294,214 3,317,700 SH PUT SOLE 3,317,700 HUNTSMAN CORP COM 447011107 33,768 2,680,000 SH SOLE 2,680,000 HUNTSMAN CORP COM 447011107 25,413 2,016,900 SH CALL SOLE 2,016,900 IMCLONE SYS INC COM 45245W109 10,202 163,500 SH SOLE 163,500 ROHM & HAAS CO COM 775371107 72,737 1,039,104 SH SOLE 1,039,104 TEVA PHARMACEUTICAL INDS LTD ADR 881624209 293 6,400 SH SOLE 6,400