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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 (2015Q2)
Original 13F HR (0001140361-15-032279) filed in 2015.08.14
#
Name
Shares
Value ($)
%
Options
Notes
51 INSMED INC 891,546 21,772 0.73%
52 NUVASIVE INC 450,272 21,334 0.71%
53 SYNERON MEDICAL LTD 1,973,945 20,963 0.70%
54 ALIMERA SCIENCES INC 4,420,580 20,379 0.68%
55 KEMPHARM INC 1,084,443 19,921 0.66%
56 NANOSTRING TECHNOLOGIES INC 1,232,696 19,008 0.63%
57 RITE AID CORP 1,890,000 15,782 0.53%
58 IMPRIVATA INC 958,152 15,675 0.52%
59 ORTHOFIX INTL N V 457,699 15,159 0.51%
60 AKORN INCORPORATED 344,667 15,048 0.50%
61 EXELIXIS INC 4,000,000 15,040 0.50% Put
62 PORTOLA PHARMACEUTICALS INC 329,837 15,024 0.50%
63 PACIRA PHARMACEUTICALS INC 212,000 14,993 0.50%
64 HUMANA INC 75,500 14,442 0.48%
65 TRUPANION INC 1,715,211 14,133 0.47%
66 GENESIS HEALTHCARE INC 2,119,616 13,989 0.47%
67 AAC HLDGS INC 303,027 13,200 0.44%
68 MIRATI THERAPEUTICS INC COM 397,660 12,514 0.42%
69 TONIX PHARMACEUTICALS HOLDING 1,315,551 11,800 0.39%
70 AXOGEN INC 3,726,439 11,701 0.39%
71 IMMUNOMEDICS INCORPORATED 2,505,872 10,174 0.34%
72 JUNO THERAPEUTICS INC COM 183,149 9,767 0.33%
73 FOAMIX PHARMACEUTICALS LTD 948,934 9,727 0.32%
74 Catabasis Pharmaceuticals Inc 738,055 9,012 0.30%
75 ALLIQUA BIOMEDICAL INC 1,679,111 8,849 0.29%
76 DERMIRA INC COM 496,387 8,712 0.29%
77 PACIFIC BIOSCIENCES CALIF IN 1,485,861 8,559 0.29%
78 Life Technologies Corp 461,530 8,548 0.28%
79 AMPHASTAR PHARMACEUTICALS IN COM 448,532 7,885 0.26%
80 ST JUDE MED INC 107,719 7,871 0.26%
81 Oxford Immunotec Global PLC 561,226 7,773 0.26%
82 GENOCEA BIOSCIENCES INC 564,257 7,747 0.26%
83 RIGEL PHARMACEUTICAL INC 2,397,855 7,697 0.26%
84 RELYPSA INC 225,000 7,445 0.25%
85 ALCOBRA LTD 1,088,449 7,118 0.24%
86 DERMA SCIENCES ORD 968,881 6,937 0.23%
87 ZS PHARMA INC 132,000 6,915 0.23%
88 ALPHATEC HOLDINGS INC 4,982,738 6,876 0.23%
89 STEADYMED LTD 1,267,577 6,744 0.22%
90 SCYNEXIS INC 692,781 6,090 0.20%
91 BioTelemetry Inc 644,300 6,076 0.20%
92 Tracon Pharmaceuticals Inc 485,000 5,495 0.18%
93 Aldeyra Therapeutics Inc 690,538 5,359 0.18%
94 STREAMLINE HEALTH SOLUTIONS COM 1,822,759 5,104 0.17%
95 DBV TECHNOLOGIES S A 160,259 4,773 0.16%
96 TRINITY BIOTECH PLC 262,492 4,741 0.16%
97 Biotie Therapies Corp. 219,558 4,385 0.15%
98 VERACYTE INC 383,256 4,269 0.14%
99 CAS MED SYS INC 3,200,000 4,096 0.14%
100 INTEGRA LIFESCIENCES HLDGS CP COM NEW 59,468 4,006 0.13%
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