0001132716-16-000026.txt : 20160210 0001132716-16-000026.hdr.sgml : 20160210 20160210143450 ACCESSION NUMBER: 0001132716-16-000026 CONFORMED SUBMISSION TYPE: 13F-HR/A PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20150630 FILED AS OF DATE: 20160210 DATE AS OF CHANGE: 20160210 EFFECTIVENESS DATE: 20160210 FILER: COMPANY DATA: COMPANY CONFORMED NAME: UBS OCONNOR LLC CENTRAL INDEX KEY: 0001132716 IRS NUMBER: 061569842 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR/A SEC ACT: 1934 Act SEC FILE NUMBER: 028-06327 FILM NUMBER: 161405015 BUSINESS ADDRESS: STREET 1: ONE NORTH WACKER DRIVE 32ND FLOOR CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 3125256000 MAIL ADDRESS: STREET 1: ONE NORTH WACKER DRIVE 32ND FLOOR CITY: CHICAGO STATE: IL ZIP: 60606 13F-HR/A 1 primary_doc.xml 13F-HR/A LIVE false true false 0001132716 XXXXXXXX 06-30-2015 06-30-2015 true 2 NEW HOLDINGS true 12-31-2015 06-30-2015 Confidential Treatment Expired UBS OCONNOR LLC

ONE NORTH WACKER DRIVE 32ND FLOOR CHICAGO IL 60606

13F HOLDINGS REPORT 028-06327 N Sal DiGangi 212-821-6206 Sal DiGangi Chicago IL 02-10-2016 0 4 443838 INFORMATION TABLE 2 ubsocq215a2infotable.xml HOME PRO COM 437306103 10881000 148950 SH DFND 148950 0 0 HOSPIRA COM 441060100 233480000 2631948 SH DFND 2631948 0 0 SIGMA AL COM 826552101 159712000 1146119 SH DFND 1146119 0 0 FREESCAL SHS G3727Q101 39765000 994883 SH DFND 994883 0 0