0001132716-20-000014.txt : 20200814 0001132716-20-000014.hdr.sgml : 20200814 20200813174654 ACCESSION NUMBER: 0001132716-20-000014 CONFORMED SUBMISSION TYPE: 13F-HR/A PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20190930 FILED AS OF DATE: 20200814 DATE AS OF CHANGE: 20200813 EFFECTIVENESS DATE: 20200814 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: 201100479 BUSINESS ADDRESS: STREET 1: ONE NORTH WACKER DRIVE 31ST FLOOR CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 3125256000 MAIL ADDRESS: STREET 1: ONE NORTH WACKER DRIVE 31ST FLOOR CITY: CHICAGO STATE: IL ZIP: 60606 13F-HR/A 1 primary_doc.xml 13F-HR/A LIVE false false false 0001132716 XXXXXXXX 09-30-2019 09-30-2019 true 3 NEW HOLDINGS true 06-30-2020 09-30-2019 Confidential Treatment Expired UBS OCONNOR LLC
ONE NORTH WACKER DRIVE 31ST FLOOR CHICAGO IL 60606
13F HOLDINGS REPORT 028-06327 N
Charles Mathys CCO 312 525-4114 Charles Mathys Chicago IL 08-13-2020 0 5 504035
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