0001104659-14-038886.txt : 20140515 0001104659-14-038886.hdr.sgml : 20140515 20140515060759 ACCESSION NUMBER: 0001104659-14-038886 CONFORMED SUBMISSION TYPE: 13F-HR/A PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20131231 FILED AS OF DATE: 20140515 DATE AS OF CHANGE: 20140515 EFFECTIVENESS DATE: 20140515 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Magnetar Financial LLC CENTRAL INDEX KEY: 0001352851 IRS NUMBER: 043818748 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR/A SEC ACT: 1934 Act SEC FILE NUMBER: 028-11800 FILM NUMBER: 14843640 BUSINESS ADDRESS: STREET 1: 1603 ORRINGTON AVE. STREET 2: 13TH FLOOR CITY: EVANSTON STATE: IL ZIP: 60201 BUSINESS PHONE: (847)905-4400 MAIL ADDRESS: STREET 1: 1603 ORRINGTON AVE. STREET 2: 13TH FLOOR CITY: EVANSTON STATE: IL ZIP: 60201 13F-HR/A 1 primary_doc.xml 13F-HR/A LIVE 0001352851 XXXXXXXX 12-31-2013 12-31-2013 true 1 NEW HOLDINGS true 05-15-2014 05-15-2014 Confidential Treatment Expired Magnetar Financial LLC

1603 ORRINGTON AVE. 13TH FLOOR EVANSTON IL 60201

13F HOLDINGS REPORT 028-11800 Y THIS FILING LISTS SECURITIES HOLDINGS REPORTED ON THE FORM 13F FILED ON FEBRUARY 14, 2014 PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT AND FOR WHICH THE CONFIDENTIAL TREATMENT EXPIRED ON MAY 15, 2014 OR THE REQUEST FOR CONFIDENTIAL TREATMENT IS NO LONGER NECESSARY. MICHAEL TURRO 847-905-4690 MICHAEL TURRO EVANSTON IL 05-15-2014 0 4 149450 false INFORMATION TABLE 2 a14-12759_2informationtable.xml INFORMATION TABLE * LEAP WIRELESS INTL INC COM NEW 521863308 62636 3599778 SH SOLE 3599778 0 0 * LEAP WIRELESS INTL INC COM NEW 521863308 56743 3261100 SH Put SOLE 3261100 0 0 * LSI CORPORATION COM 502161102 15263 1385000 SH SOLE 1385000 0 0 * LIBERTY GLOBAL PLC SHS CL A G5480U104 14808 166400 SH Put SOLE 166400 0 0