UBS OCONNOR LLC Information

ONE NORTH WACKER DRIVE 32ND FLOOR, CHICAGO, Illinois, 60606, (312) 525-6000

Report Date: 03/31/2013

Position Statistics:

Total Positions 673
New Positions 152
Increased Positions 248
Decreased Positions 410
Positions with Activity 658
Sold Out Positions 221
Total Mkt Value
(in $ millions)
4,184

Sector Weighting

Basic Materials 6.48%
Capital Goods 4.64%
Conglomerates 0.46%
Consumer Cyclical 2.39%
Consumer/Non-Cyclical 9.56%
Energy 4.12%
Financial 16.23%
Healthcare 10.71%
Services 29.37%
Technology 9.96%
Transportation 2.93%
Utilities 3.14%

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.

673 Positions as of 03/31/2013

Company Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
YANDEX N V SHS CLASS A 1,664 1,664 New 60,000
PHARMACYCLICS INC COM 1,647 1,647 New 20,000
AMARIN CORP PLC SPONS ADR NEW 1,634 392 31.56 237,201
ACORDA THERAPEUTICS INC COM 1,607 1,607 New 50,100
SALIX PHARMACEUTICALS INC COM 1,576 New 26,500
ORASURE TECHNOLOGIES INC COM 1,540 New 354,000
ACADIA PHARMACEUTICALS COM 1,516 1,516 New 113,000
HALCON RES CORP COM NEW 1,515 -2,478 (62.06) 250,000
DUKE REALTY CORP COM NEW 1,503 1,503 New 83,859
EXACT SCIENCES CORP COM 1,502 -434 (22.4) 142,000
TERRENO RLTY CORP COM 1,369 1,369 New 70,000
AFFYMETRIX INC COM 1,341 -634 (32.1) 365,300
FOREST OIL CORP COM PAR $0.01 1,220 New 250,000
NEWLINK GENETICS CORP COM 1,168 1,168 New 75,180
ONCOLYTICS BIOTECH INC COM 1,132 1,132 New 411,494
IMRIS INC COM 1,103 1,103 New 419,396
HI-TECH PHARMACAL INC COM 1,102 New 32,600
SPDR SERIES TRUST S&P RETAIL ETF 1,060 1,060 New 13,600
HEALTH INS INNOVATIONS INC COM CL A 1,054 1,054 New 100,000
PERNIX THERAPEUTICS HLDGS INC COM 1,053 New 295,000

Latest News Headlines

Caterpillar, Steelworkers Union to Meet Next Week    9:55PM ET  - Dow Jones Business News

Rio Tinto Begins Cutting Jobs at Utah Copper Mine After Slide    8:59PM ET  - Dow Jones Business News

UPDATE: Mini Flash-Crash Trades Wiped From Tape, But Not Cancelled    8:27PM ET  - Dow Jones Business News

School Specialty Plan of Reorganization Confirmed by Bankruptcy Court    8:10PM ET  - GlobeNewswire

UPDATE: Caterpillar, Steelworkers Union to Meet Again Next Week    8:09PM ET  - Dow Jones Business News

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