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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 (2016Q3)
Original 13F HR (0001140361-16-086449) filed in 2016.11.14
#
Name
Shares
Value ($)
%
Options
Notes
1 AAC HLDGS INC 2,189,849 38,081 1.77%
2 ACLARIS THERAPEUTICS INC COM 116,000 2,971 0.14%
3 ACORDA THERAPEUTICS INC 161,552 3,373 0.16%
4 ACURA PHARMACEUTICALS INC 1,025,641 1,641 0.08%
5 ADEPTUS HEALTH INC 1,600,861 68,917 3.21%
6 AERIE PHARMACEUTICALS INC COM 1,338,829 50,527 2.35%
7 AETNA INC NEW 366,000 42,255 1.97%
8 AKARI THERAPEUTICS PLC 1,150,700 9,792 0.46%
9 ALIMERA SCIENCES INC 5,878,015 8,758 0.41%
10 ARALEZ PHARMACEUTICALS INC 1,644,583 7,976 0.37%
11 ARDELYX INC COM 618,643 8,005 0.37%
12 ARRAY BIOPHARMA INC 1,650,000 11,138 0.52%
13 ARRAY BIOPHARMA INC 3 06/01/2020 45,000,000 53,278 2.48% PRN
14 AVEXIS INC COM 2,236,701 92,174 4.29%
15 AXOGEN INC 1,893,030 17,094 0.80%
16 Agile Therapeutics, Inc. 250,000 1,745 0.08%
17 Audentes Therapeutics, Inc. 1,403,653 24,999 1.16%
18 Axovant Sciences LTD 568,005 7,952 0.37%
19 BIOCRYST PHARMACEUTICALS 4,401,846 19,412 0.90%
20 BIOMARIN PHARMACEUTICAL INC 13,800 1,277 0.06%
21 BIOSCRIP INC 1,971,228 5,697 0.26%
22 BLUEBIRD BIO INC COM 224,000 15,183 0.71%
23 BLUEPRINT MEDICINES CORP COM 215,586 6,403 0.30%
24 CAS MED SYS INC 3,200,000 5,532 0.26%
25 CLOVIS ONCOLOGY INC 8,000 288 0.01%
26 CYTOMX THERAPEUTICS INC COM 943,433 14,793 0.69%
27 Catabasis Pharmaceuticals Inc 683,375 4,210 0.20%
28 DAVITA INC 350,000 23,125 1.08%
29 DBV TECHNOLOGIES S A 1,743,229 63,332 2.95%
30 EDITAS MEDICINE INCORPORATED 1,709,400 23,043 1.07%
31 EHEALTH INC COM 2,640,609 29,601 1.38%
32 ENDOLOGIX INC 40,941,000 39,231 1.82% PRN
33 EPIZYME INC COM 291,179 2,865 0.13%
34 ESSA Pharma 2,121,601 5,834 0.27%
35 EXACT SCIENCES CORP 357,680 6,642 0.31%
36 EXELIXIS INC 246,907 3,158 0.15%
37 FIVE PRIME THERAPEUTICS INC 311,000 16,324 0.76%
38 FLAMEL TECHNOLOGIES SA SPONSORED ADR 4,072,809 50,503 2.35%
39 FLUIDIGM CORP DEL 27,715,000 17,021 0.79% PRN
40 FOAMIX PHARMACEUTICALS LTD 1,307,058 12,103 0.56%
41 GALAPAGOS NV 423,112 27,358 1.27%
42 GENOCEA BIOSCIENCES INC 687,257 3,519 0.16%
43 GLAUKOS CORP 503,277 18,994 0.88%
44 GLOBAL BLOOD THERAPEUTICS INCORPORATED 171,428 3,951 0.18%
45 GW PHARMACEUTICALS PLC 1,008,475 133,855 6.23%
46 HEALTHWAYS INC 54,382,000 79,222 3.68% PRN
47 HORIZON PHARMA INVT LTD 82,600,000 80,123 3.73% PRN
48 HORIZON PHARMA PLC 6,434,439 116,656 5.43%
49 HUMANA INC 159,500 28,214 1.31%
50 Hercules Offshore Inc 76,000 2,011 0.09%
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