0001104659-16-139589.txt : 20160815 0001104659-16-139589.hdr.sgml : 20160815 20160815090333 ACCESSION NUMBER: 0001104659-16-139589 CONFORMED SUBMISSION TYPE: 13F-HR/A PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20160331 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: 161830279 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 03-31-2016 03-31-2016 true 1 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 MAY 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 7 893543 false INFORMATION TABLE 2 a16-16667_3informationtable.xml INFORMATION TABLE * KLA-TENCOR CORP COM 482480100 41691 572600 SH Put SOLE 572600 0 0 * KLA-TENCOR CORP COM 482480100 112576 1546159 SH SOLE 1546159 0 0 * BAXALTA INC COM 07177M103 157929 3909140 SH SOLE 3909140 0 0 * BAXALTA INC COM 07177M103 4909 121500 SH Put SOLE 121500 0 0 * COLUMBIA PIPELINE GROUP INC COM 198280109 138112 5502483 SH SOLE 5502483 0 0 * HUMANA INC COM 444859102 111401 608916 SH SOLE 608916 0 0 * TIME WARNER CABLE INC COM 88732J207 326925 1597718 SH SOLE 1597718 0 0