0001132716-20-000013.txt : 20200814
0001132716-20-000013.hdr.sgml : 20200814
20200813174113
ACCESSION NUMBER: 0001132716-20-000013
CONFORMED SUBMISSION TYPE: 13F-HR/A
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20190630
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: 201100463
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
06-30-2019
06-30-2019
true
4
NEW HOLDINGS
true
06-30-2020
06-30-2019
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
3
179368
INFORMATION TABLE
2
ubsocQ219_A4infotable.xml
ALLERGAN
SHS
G0177J108
47067000
281112
SH
DFND
281112
0
0
CAESARS
COM
127686103
29147000
2465900
SH
DFND
2465900
0
0
MELLANOX
SHS
M51363113
103154000
932086
SH
DFND
932086
0
0