0001132716-22-000004.txt : 20220214
0001132716-22-000004.hdr.sgml : 20220214
20220214090904
ACCESSION NUMBER: 0001132716-22-000004
CONFORMED SUBMISSION TYPE: 13F-HR/A
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20210331
FILED AS OF DATE: 20220214
DATE AS OF CHANGE: 20220214
EFFECTIVENESS DATE: 20220214
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: 22625986
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
03-31-2021
03-31-2021
true
3
NEW HOLDINGS
true
12-31-2021
03-31-2021
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
02-14-2022
0
3
910254
INFORMATION TABLE
2
ubsocQ121_A3infotable.xml
ALEXION
COM
015351109
239575000
1566773
SH
DFND
1566773
0
0
MAXIM IN
COM
57772K101
246898000
2702165
SH
DFND
2702165
0
0
SLACK TE
COMCL
83088V102
423781000
10430252
SH
DFND
10430252
0
0