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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 (2014Q1)
Original 13F HR (0001140361-14-021676) filed in 2014.05.15
#
Name
Shares
Value ($)
%
Options
Notes
101 NEUROCRINE BIOSCIENCES INC 77,994 1,256 0.05%
102 FURIEX PHARMACEUTICALS INC 13,340 1,161 0.05%
103 HOLOGIC INC 42,500 914 0.04%
104 Mylan Laboratories Inc 17,500 855 0.03%
105 MEDIVATION INC 12,500 805 0.03%
106 AQUINOX PHARMACEUTICALS INC 62,387 794 0.03%
107 SYNERON MEDICAL LTD 34,518 430 0.02%
108 ACHILLION PHARMACEUTICALS IN 92,804 305 0.01%
109 NOVADAQ TECHNOLOGIES INC 10,000 223 0.01%
110 DENDREON CORP 183,660,000 133,789 5.46% PRN
111 VOLCANO CORPORATION 60,500,000 59,767 2.44% PRN
112 INTERMUNE INC 40,295,000 51,373 2.10% PRN
113 INTEGRA LIFESCIENCES HLDGS C 41,523,000 43,698 1.78% PRN
114 HOLOGIC INC SR STEP CV NT 42 37,516,000 38,347 1.57% PRN
115 AMAG PHARMACEUTICALS INC 34,520,000 34,986 1.43% PRN
116 ACCURAY INC 25,700,000 30,767 1.26% PRN
117 ARRAY BIOPHARMA INC 3 06/01/2020 26,000,000 26,665 1.09% PRN
118 Intermune 7,500,000 19,618 0.80% PRN
119 DENDREON CORP 14,740,000 14,308 0.58% PRN
120 ENDOLOGIX INC 12,450,000 11,930 0.49% PRN
121 ACCURAY INC 5,000,000 9,546 0.39% PRN
122 SEQUENOM INC 8,377,000 7,466 0.30% PRN
123 ALERE INC 5,750,000 6,278 0.26% PRN
124 Auxilium Pharmaceuticals Inc 2,500,000 3,278 0.13% PRN
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