0001132716-14-000002.txt : 20140213 0001132716-14-000002.hdr.sgml : 20140213 20140213112848 ACCESSION NUMBER: 0001132716-14-000002 CONFORMED SUBMISSION TYPE: 13F-HR/A PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20130930 FILED AS OF DATE: 20140213 DATE AS OF CHANGE: 20140213 EFFECTIVENESS DATE: 20140213 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: 14603915 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 false false 0001132716 XXXXXXXX 09-30-2013 09-30-2013 true 1 NEW HOLDINGS true 12-31-2013 12-31-2013 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 New York NY 02-13-2014 0 1 44403 INFORMATION TABLE 2 ubsocq313a1infotable.xml ELAN PLC ADR 284131208 44403000 2850000 SH DFND 2850000 0 0