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Institutional Investment Manager
DEERFIELD MANAGEMENT COMPANY, L.P.
DEERFIELD MANAGEMENT COMPANY, L.P. (CIK: 0001009258) incorporated in Delaware, located at 345 Park Avenue South, 12th Floor, New York, NY. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q3)
Portfolio Summary: 134 holdings with a total value of $2,585,133,000.
#
Name
Shares
Value ($)
%
Options
Notes
101 GENOCEA BIOSCIENCES INC 501,257 3,434,000 0.13%
102 VERSARTIS INC 277,000 3,194,000 0.12%
103 ProQR Therapeutics NV 209,398 3,051,000 0.12%
104 CIDARA THERAPEUTICS INC 237,583 3,022,000 0.12%
105 Biotie Therapies Corp. 219,558 2,874,000 0.11%
106 INVUITY INC 201,068 2,819,000 0.11%
107 TRINITY BIOTECH PLC 246,000 2,814,000 0.11%
108 BioTelemetry Inc 222,215 2,720,000 0.11%
109 DISCOVERY LABORATORIES INC N 8,537,995 2,561,000 0.10%
110 MAZOR ROBOTICS LTD 228,909 2,525,000 0.10%
111 ACURA PHARMACEUTICALS INC 1,025,641 2,410,000 0.09%
112 TRILLIUM THERAPEUTICS INC 172,307 2,245,000 0.09%
113 ILLUMINA INC 11,000 1,934,000 0.07%
114 VERTEX PHARMACEUTICALS INC 18,500 1,927,000 0.07%
115 LA JOLLA PHARMACEUTICAL CO 65,000 1,806,000 0.07%
116 VERACYTE INC 383,256 1,797,000 0.07%
117 ALPHATEC HOLDINGS INC 4,982,738 1,644,000 0.06%
118 PALATIN TECHNOLOGIES INC COM 2,000,000 1,620,000 0.06%
119 BIOGEN INC 5,500 1,605,000 0.06%
120 KINDRED BIOSCIENCES INC 279,204 1,452,000 0.06%
121 BOVIE MEDICAL CORP COM 688,229 1,342,000 0.05%
122 INVITAE CORP 166,666 1,203,000 0.05%
123 KINDRED HEALTHCARE INC 72,100 1,136,000 0.04%
124 TENET HEALTHCARE CORP 27,602 1,019,000 0.04%
125 CAREDX INC 229,000 955,000 0.04%
126 CORSICANTO LTD 1,000,000 917,000 0.04% PRN
127 Esperion Therapeutics Inc 32,970 778,000 0.03%
128 HALOZYME THERAPEUTICS INC 50,349 676,000 0.03%
129 CARDINAL HEALTH INC 8,000 615,000 0.02%
130 SELECT MED HLDGS CORP COM 55,000 593,000 0.02%
131 OPHTHOTECH CORP 10,000 405,000 0.02%
132 VALEANT PHARMACEUTICALS INTL 1,575 281,000 0.01%
133 POZEN INC 44,583 260,000 0.01%
134 TRANSENTERIX INC 61,819 140,000 0.01%
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Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001140361-15-041667, filed 2015.11.16).

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.