0000950123-15-011053.txt : 20151110 0000950123-15-011053.hdr.sgml : 20151110 20151109171247 ACCESSION NUMBER: 0000950123-15-011053 CONFORMED SUBMISSION TYPE: 13F-HR/A PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20150331 FILED AS OF DATE: 20151109 DATE AS OF CHANGE: 20151109 EFFECTIVENESS DATE: 20151109 FILER: COMPANY DATA: COMPANY CONFORMED NAME: CITADEL ADVISORS LLC CENTRAL INDEX KEY: 0001423053 IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR/A SEC ACT: 1934 Act SEC FILE NUMBER: 028-13183 FILM NUMBER: 151216649 BUSINESS ADDRESS: STREET 1: C/O CITADEL LLC STREET 2: 131 S. DEARBORN ST., 32ND FLOOR CITY: CHICAGO STATE: IL ZIP: 60603 BUSINESS PHONE: 312-395-2100 MAIL ADDRESS: STREET 1: C/O CITADEL LLC STREET 2: 131 S. DEARBORN ST., 32ND FLOOR CITY: CHICAGO STATE: IL ZIP: 60603 13F-HR/A 1 primary_doc.xml 13F-HR/A LIVE false true false 0001423053 XXXXXXXX 03-31-2015 03-31-2015 true 3 NEW HOLDINGS true 11-16-2015 05-15-2015 Confidential Treatment Expired CITADEL ADVISORS LLC

C/O CITADEL LLC 131 S. DEARBORN ST., 32ND FLOOR Chicago IL 60603

13F HOLDINGS REPORT 028-13183 Y THIS FILING LISTS SECURITIES HOLDINGS REPORTED ON THE FORM 13F FILED ON MAY 15, 2015, PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT THAT EXPIRED ON NOVEMBER 16, 2015. Patricia A. Stasny 312-395-4366 Patricia A. Stasny Chicago IL 11-09-2015 0 2 283411 false INFORMATION TABLE 2 form13fInfoTable.xml INFORMATION TABLE FOR FORM 13F HOSPIRA INC COMMON STOCK Cmn 441060100 80238 913454 SH DFND 913454 0 0 SIGMA ALDRICH CORP Cmn 826552101 203173 1469606 SH DFND 1469606 0 0