0001104659-16-139591.txt : 20160815 0001104659-16-139591.hdr.sgml : 20160815 20160815090533 ACCESSION NUMBER: 0001104659-16-139591 CONFORMED SUBMISSION TYPE: 13F-HR/A PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20151231 FILED AS OF DATE: 20160815 DATE AS OF CHANGE: 20160815 EFFECTIVENESS DATE: 20160815 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: 161830291 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 12-31-2015 12-31-2015 true 2 NEW HOLDINGS true 08-15-2016 08-15-2016 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 16, 2016 PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT AND FOR WHICH THE CONFIDENTIAL TREATMENT EXPIRED ON AUGUST 15, 2016 OR IS NO LONGER NECESSARY. MICHAEL TURRO 847-905-4690 MICHAEL TURRO EVANSTON IL 08-15-2016 0 6 1069166 false INFORMATION TABLE 2 a16-16667_4informationtable.xml INFORMATION TABLE * HUMANA INC COM 444859102 93811 525525 SH SOLE 525525 0 0 * KLA-TENCOR CORP COM 482480100 472307 6810484 SH SOLE 6810484 0 0 * KLA-TENCOR CORP COM 482480100 180476 2602400 SH Put SOLE 2602400 0 0 * TIME WARNER CABLE INC COM 88732J207 124531 671000 SH SOLE 671000 0 0 * ALLERGAN PLC SHS G0177J108 182416 583731 SH SOLE 583731 0 0 * ALLERGAN PLC SHS G0177J108 15625 50000 SH Call SOLE 50000 0 0