0001132716-24-000018.txt : 20240214
0001132716-24-000018.hdr.sgml : 20240214
20240214110912
ACCESSION NUMBER: 0001132716-24-000018
CONFORMED SUBMISSION TYPE: 13F-HR/A
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20230630
FILED AS OF DATE: 20240214
DATE AS OF CHANGE: 20240214
EFFECTIVENESS DATE: 20240214
FILER:
COMPANY DATA:
COMPANY CONFORMED NAME: UBS OCONNOR LLC
CENTRAL INDEX KEY: 0001132716
ORGANIZATION NAME:
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: 24634183
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
X0202
13F-HR/A
LIVE
false
false
false
0001132716
XXXXXXXX
06-30-2023
06-30-2023
true
2
NEW HOLDINGS
true
12-31-2023
06-30-2023
Confidential Treatment Expired
UBS OCONNOR LLC
ONE NORTH WACKER DRIVE 31ST FLOOR
CHICAGO
IL
60606
13F HOLDINGS REPORT
028-06327
N
Charles Mathys
Chief Compliance Officer
3125254114
Charles Mathys
Chicago
IL
02-14-2024
0
12
1327144186
INFORMATION TABLE
2
ubsocQ223_A2infotable.xml
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COM
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3334258
112720
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0
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DICE THERA
COM
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49944501
1075000
SH
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1075000
0
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2775549
SH
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2775549
0
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580000
SH
DFND
580000
0
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675000
SH
DFND
675000
0
0
NUVASIVE I
COM
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SPIRIT AIR
COM
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PRN
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TRITON INT
CLA
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NATIONAL I
COM
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SEAGEN INC
COM
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HORIZON TH
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