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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 (2016Q4)
Original 13F HR (0001140361-17-007402) filed in 2017.02.14
#
Name
Shares
Value ($)
%
Options
Notes
51 Nivalis Therapeutics Inc 3,732,412 8,361 0.34%
52 AKARI THERAPEUTICS PLC 1,150,700 8,101 0.33%
53 LOXO ONCOLOGY INC COM 251,000 8,061 0.33%
54 Oxford Immunotec Global PLC 529,197 7,911 0.33%
55 KERYX BIOPHARMACEUTICALS INCORPORATED 1,291,531 7,568 0.31%
56 ARALEZ PHARMACEUTICALS INC 1,644,583 7,253 0.30%
57 Axovant Sciences LTD 568,005 7,055 0.29%
58 FIVE PRIME THERAPEUTICS INC 138,000 6,915 0.28%
59 EXACT SCIENCES CORP 500,000 6,680 0.27%
60 ALIMERA SCIENCES INC 5,878,015 6,348 0.26%
61 ADVANCED ACCELERATOR APPLIC 210,000 5,620 0.23%
62 MYOKARDIA INC 424,800 5,501 0.23%
63 ARDELYX INC COM 373,643 5,306 0.22%
64 CAS MED SYS INC 3,200,000 5,152 0.21%
65 RA PHARMACEUTICALS INC COM 323,630 4,916 0.20%
66 ESSA Pharma 2,121,601 4,646 0.19%
67 STEADYMED LTD 1,756,370 4,567 0.19%
68 SCYNEXIS INC 1,048,000 3,343 0.14%
69 KEMPHARM INC 1,084,443 3,199 0.13%
70 NANOSTRING TECHNOLOGIES INC 139,000 3,100 0.13%
71 VOYAGER THERAPEUTICS INC 235,294 2,998 0.12%
72 GENOCEA BIOSCIENCES INC 687,257 2,831 0.12%
73 SANGAMO THERAPEUTICS INCORPORATED 837,963 2,556 0.11%
74 PSIVIDA CORP 1,492,824 2,553 0.11%
75 Proteon Therapeutics Inc 1,332,599 2,532 0.10%
76 GLOBAL BLOOD THERAPEUTICS INCORPORATED 171,428 2,477 0.10%
77 Catabasis Pharmaceuticals Inc 682,940 2,465 0.10%
78 PROTEOSTASIS THERAPEUTICS IN COM 186,000 2,280 0.09%
79 Agile Therapeutics, Inc. 398,000 2,269 0.09%
80 CELLDEX THERAPEUTICS INC NEW 632,944 2,241 0.09%
81 BIOSCRIP INC 1,971,228 2,050 0.08%
82 Sierra Oncology, Inc. 1,166,619 1,738 0.07%
83 Hercules Offshore Inc 76,000 1,729 0.07%
84 PARATEK PHARMACEUTICALS INC 100,000 1,540 0.06%
85 NOVELION THERAPEUTICS INC 170,454 1,435 0.06%
86 NEOS THERAPEUTICS INC COM 229,166 1,341 0.06%
87 OCERA THERAPEUTICS INC 572,893 1,203 0.05%
88 THRESHOLD PHARMACEUTICAL INC 2,202,160 971 0.04%
89 STREAMLINE HEALTH SOLUTIONS COM 662,971 829 0.03%
90 ACURA PHARMACEUTICALS INC 1,025,641 786 0.03%
91 HORIZON PHARMA INVT LTD 82,600,000 78,342 3.22% PRN
92 ARRAY BIOPHARMA INC 3 06/01/2020 45,000,000 62,545 2.57% PRN
93 ENDOLOGIX INC 51,117,000 46,140 1.90% PRN
94 WRIGHT MED GROUP INC SR CONV NT 2 20 40,050,000 41,818 1.72% PRN
95 TRN 48,000,000 40,401 1.66% PRN
96 ENDOLOGIX INC 40,500,000 35,425 1.46% PRN
97 ISIS PHARMACEUTICALS INC DEL SR CONV NT 1 21 33,186,000 33,802 1.39% PRN
98 HEALTHWAYS INC 25,000,000 32,381 1.33% PRN
99 NEVRO CORP 27,600,000 29,494 1.21% PRN
100 MOLINA HEALTHCARE INC 25,000,000 28,480 1.17% PRN
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