0001132716-21-000016.txt : 20210813
0001132716-21-000016.hdr.sgml : 20210813
20210813161025
ACCESSION NUMBER: 0001132716-21-000016
CONFORMED SUBMISSION TYPE: 13F-HR/A
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20201231
FILED AS OF DATE: 20210813
DATE AS OF CHANGE: 20210813
EFFECTIVENESS DATE: 20210813
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: 211172197
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
12-31-2020
12-31-2020
true
2
NEW HOLDINGS
true
06-30-2021
12-31-2020
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
08-13-2021
0
3
430445
INFORMATION TABLE
2
ubsocQ4_20_A2infotable.xml
ACACIA C
COM
00401C108
73374000
1005669
SH
DFND
1005669
0
0
PLURALSI
NOTE0
72941BAB2
20225000
20357000
PRN
DFND
20357000
0
0
VARIAN M
COM
92220P105
336846000
1924725
SH
DFND
1924725
0
0