0001132716-20-000019.txt : 20201112
0001132716-20-000019.hdr.sgml : 20201112
20201112171949
ACCESSION NUMBER: 0001132716-20-000019
CONFORMED SUBMISSION TYPE: 13F-HR/A
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20191231
FILED AS OF DATE: 20201112
DATE AS OF CHANGE: 20201112
EFFECTIVENESS DATE: 20201112
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: 201308043
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
12-31-2019
12-31-2019
true
2
NEW HOLDINGS
true
09-30-2020
12-31-2019
Confidential Treatment Expired
UBS OCONNOR LLC
ONE NORTH WACKER DRIVE 31ST FLOOR
CHICAGO
IL
60606
13F HOLDINGS REPORT
028-06327
N
Charles Mathys
CCO
3125254114
Charles Mathys
Chicago
IL
11-12-2020
0
4
330728
INFORMATION TABLE
2
ubsocQ419_A2infotable.xml
ACACIA C
COM
00401C108
34509000
508905
SH
DFND
508905
0
0
MELLANOX
SHS
M51363113
152179000
1298668
SH
DFND
1298668
0
0
TIFFANY
COM
886547108
134274000
1004667
SH
DFND
1004667
0
0
WRIGHT M
ORDSH
N96617118
9766000
320420
SH
DFND
320420
0
0