0001132716-21-000009.txt : 20210514
0001132716-21-000009.hdr.sgml : 20210514
20210514152232
ACCESSION NUMBER: 0001132716-21-000009
CONFORMED SUBMISSION TYPE: 13F-HR/A
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20200930
FILED AS OF DATE: 20210514
DATE AS OF CHANGE: 20210514
EFFECTIVENESS DATE: 20210514
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: 21924127
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
09-30-2020
09-30-2020
true
1
NEW HOLDINGS
true
03-31-2021
09-30-2020
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
05-14-2021
0
4
376758
INFORMATION TABLE
2
ubsocQ320_A1infotable.xml
ACACIA C
COM
00401C108
70623000
1047819
SH
DFND
1047819
0
0
GCI LIBE
COMCL
36164V305
92969000
1134320
SH
DFND
1134320
0
0
MOMENTA
COM
60877T100
31975000
609282
SH
DFND
609282
0
0
TIFFANY
COM
886547108
181191000
1564019
SH
DFND
1564019
0
0