0000950123-19-005412.txt : 20190515 0000950123-19-005412.hdr.sgml : 20190515 20190515160231 ACCESSION NUMBER: 0000950123-19-005412 CONFORMED SUBMISSION TYPE: 13F-HR/A PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20181231 FILED AS OF DATE: 20190515 DATE AS OF CHANGE: 20190515 EFFECTIVENESS DATE: 20190515 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: 19827884 BUSINESS ADDRESS: STREET 1: 131 S. DEARBORN ST., 32ND FLOOR CITY: CHICAGO STATE: IL ZIP: 60603 BUSINESS PHONE: 312-395-2100 MAIL ADDRESS: STREET 1: 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 12-31-2018 12-31-2018 true 1 NEW HOLDINGS true 05-15-2019 02-14-2019 Confidential Treatment Expired CITADEL ADVISORS 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 FEBRUARY 14, 2019, PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT THAT EXPIRED ON MAY 15, 2019. Patricia A. Stasny 312-395-4366 Patricia A. Stasny Chicago IL 05-15-2019 0 2 129990 false INFORMATION TABLE 2 form13fInfoTable.xml INFORMATION TABLE FOR FORM 13F ATHENAHEALTH INC Cmn 04685W103 81970 621315 SH DFND 621315 0 0 ORBOTECH LTD Cmn M75253100 48020 849323 SH DFND 849323 0 0