0001132716-19-000011.txt : 20190513
0001132716-19-000011.hdr.sgml : 20190513
20190513134637
ACCESSION NUMBER: 0001132716-19-000011
CONFORMED SUBMISSION TYPE: 13F-HR/A
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20181231
FILED AS OF DATE: 20190513
DATE AS OF CHANGE: 20190513
EFFECTIVENESS DATE: 20190513
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: 19817806
BUSINESS ADDRESS:
STREET 1: ONE NORTH WACKER DRIVE 32ND FLOOR
CITY: CHICAGO
STATE: IL
ZIP: 60606
BUSINESS PHONE: 3125256000
MAIL ADDRESS:
STREET 1: ONE NORTH WACKER DRIVE 32ND FLOOR
CITY: CHICAGO
STATE: IL
ZIP: 60606
13F-HR/A
1
primary_doc.xml
13F-HR/A
LIVE
false
false
false
0001132716
XXXXXXXX
12-31-2018
12-31-2018
true
2
NEW HOLDINGS
true
03-31-2019
12-31-2018
Confidential Treatment Expired
UBS OCONNOR LLC
ONE NORTH WACKER DRIVE 32ND FLOOR
CHICAGO
IL
60606
13F HOLDINGS REPORT
028-06327
N
Sal DiGangi
CCO
2128216206
Sal DiGangi
New York
NY
05-13-2019
0
7
477224
INFORMATION TABLE
2
ubsocQ418_A2_infotable.xml
ARRIS IN
SHS
G0551A103
89564000
2929789
SH
DFND
2929789
0
0
ASPEN IN
SHS
G05384105
71001000
1690890
SH
DFND
1690890
0
0
ATHENAHE
COM
04685W103
72281000
547870
SH
DFND
547870
0
0
DUN & BR
COM
26483E100
89652000
628075
SH
DFND
628075
0
0
ESTERLIN
COM
297425100
54844000
451580
SH
DFND
451580
0
0
INTEGRAT
COM
458118106
64278000
1327242
SH
DFND
1327242
0
0
NXSTAGE
COM
67072V103
35604000
1244006
SH
DFND
1244006
0
0