Dark
Light
System
Institutional Investment Manager
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) (CIK: 0001132716) incorporated in Delaware, located at One North Wacker Drive 31st Floor, Chicago, IL. Institutional holdings reported to the SEC.

Institutional Holdings (2016Q1)
Portfolio Summary: 420 holdings with a total value of $5,107,263,000.
#
Name
Shares
Value ($)
%
Options
Notes
101 LIBERTY GLOBAL PLC 25,000 877,000 0.02%
102 TWITTER INC 1,000,000 881,000 0.02% PRN
103 CEPHEID 1,000,000 896,000 0.02%
104 Intersect ENT Inc 50,000 950,000 0.02%
105 T MOBILE US INC 25,000 958,000 0.02%
106 NETSUITE INC 1,000,000 959,000 0.02% PRN
107 ALNYLAM PHARMACEUTICALS INC 15,292 960,000 0.02%
108 NETEASE INC 6,800 976,000 0.02%
109 YAHOO INC SR CV ZERO NT 18 1,000,000 993,000 0.02% PRN
110 HATTERAS FINL CORP 69,500 994,000 0.02%
111 LIBERTY MEDIA CORP DELAWARE 1,000,000 994,000 0.02% PRN
112 BIOMARIN PHARMACEUTICAL INC 12,062 995,000 0.02%
113 VIPSHOP HLDGS LTD 77,800 1,002,000 0.02%
114 SHUTTERFLY INC 1,000,000 1,003,000 0.02% PRN
115 NUANCE COMMUNICATIONS INC SR CV NT 2.75 31 1,000,000 1,004,000 0.02% PRN
116 PRICELINE GRP INC SR CONV NT0.9 21 1,000,000 1,009,000 0.02% PRN
117 RTI INTL METALS INC SR CV NT1.625 19 1,000,000 1,051,000 0.02% PRN
118 Jones Energy Inc 319,500 1,064,000 0.02%
119 ENDOLOGIX INC 1,500,000 1,101,000 0.02% PRN
120 MEMORIAL RESOURCE DEV CORP 110,000 1,120,000 0.02%
121 CITRIX SYS INC 1,000,000 1,122,000 0.02% PRN
122 SUFFOLK BANCORP COM 44,921 1,134,000 0.02%
123 KEYW HLDG CORP 176,495 1,172,000 0.02%
124 COCA COLA CO 605,300 1,181,000 0.02% Call
125 Otonomy Inc 80,100 1,195,000 0.02%
126 Royal Gold Inc 125,000 1,226,000 0.02%
127 VITAE PHARMACEUTICALS INC 185,000 1,227,000 0.02%
128 FRANCO NEVADA CORP 20,000 1,228,000 0.02%
129 SALESFORCE COM INC SR CV NT 0.25 18 1,000,000 1,240,000 0.02% PRN
130 THERAPEUTICSMD INC 200,000 1,280,000 0.03%
131 GULFPORT ENERGY CORP 45,993 1,303,000 0.03%
132 SERVICENOW INC 21,550 1,318,000 0.03%
133 DYNAVAX TECHNOLOGIES CORP 70,000 1,347,000 0.03%
134 CARRIZO OIL & GAS INC 44,375 1,372,000 0.03%
135 CBS CORP NEW 25,000 1,377,000 0.03%
136 ALEXION PHARMACEUTIC 10,010 1,394,000 0.03%
137 SHOPIFY INC 50,000 1,410,000 0.03%
138 POWERSHARES ETF TRUST 50,000 1,501,000 0.03%
139 CAVIUM INC 25,000 1,529,000 0.03%
140 TOLL BROTHERS INC 51,846 1,530,000 0.03%
141 NVIDIA CORPORATION 43,100 1,536,000 0.03%
142 CALATLANTIC GROUP INC 46,021 1,538,000 0.03%
143 LAMAR ADVERTISING CO NEW CL A 25,000 1,538,000 0.03%
144 UNIVERSAL HLTH SVCS INC 12,500 1,559,000 0.03%
145 NEWFIELD EXPL CO 47,025 1,564,000 0.03%
146 SPDR S&P 500 ETF TR 970,000 1,603,000 0.03% Put
147 DERMIRA INC COM 80,000 1,654,000 0.03%
148 HORIZON PHARMA PLC 100,000 1,657,000 0.03%
149 SUPERIOR ENERGY SVCS INC 124,200 1,663,000 0.03%
150 CERUS CORP 315,000 1,868,000 0.04%
Page 3 of 9

Portfolio data is normalized using SEC Form 13F filings, including the Restatement filing (0001132716-16-000048, filed 2016.10.06). and New Holdings filing (0001132716-16-000034, filed 2016.08.12).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.