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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 HORIZON PHARMA INVT LTD 82,600,000 80,123 3.73% PRN
2 HEALTHWAYS INC 54,382,000 79,222 3.68% PRN
3 TRN 48,000,000 46,775 2.18% PRN
4 ARRAY BIOPHARMA INC 3 06/01/2020 45,000,000 53,278 2.48% PRN
5 ENDOLOGIX INC 40,941,000 39,231 1.82% PRN
6 WRIGHT MED GROUP INC SR CONV NT 2 20 40,050,000 42,847 1.99% PRN
7 FLUIDIGM CORP DEL 27,715,000 17,021 0.79% PRN
8 HORIZON PHARMA PLC 6,434,439 116,656 5.43%
9 ALIMERA SCIENCES INC 5,878,015 8,758 0.41%
10 PORTOLA PHARMACEUTICALS INC 5,639,727 128,078 5.96%
11 UNIVERSAL AMERN CORP NEW 4,592,060 35,129 1.63%
12 BIOCRYST PHARMACEUTICALS 4,401,846 19,412 0.90%
13 NXSTAGE MED INC COM 4,099,175 102,438 4.76%
14 FLAMEL TECHNOLOGIES SA SPONSORED ADR 4,072,809 50,503 2.35%
15 Nivalis Therapeutics Inc 3,732,412 30,345 1.41%
16 VANDA PHARMACEUTICALS INC COM 3,435,576 57,168 2.66%
17 CAS MED SYS INC 3,200,000 5,532 0.26%
18 MOLINA HEALTHCARE INC 3,000,000 3,561 0.17% PRN
19 EHEALTH INC COM 2,640,609 29,601 1.38%
20 AVEXIS INC COM 2,236,701 92,174 4.29%
21 XENCOR INC COM 2,210,900 54,145 2.52%
22 THRESHOLD PHARMACEUTICAL INC 2,202,160 1,492 0.07%
23 AAC HLDGS INC 2,189,849 38,081 1.77%
24 ESSA Pharma 2,121,601 5,834 0.27%
25 BIOSCRIP INC 1,971,228 5,697 0.26%
26 INFINITY PHARMACEUTICALS INC 1,935,942 3,020 0.14%
27 AXOGEN INC 1,893,030 17,094 0.80%
28 SYROS PHARMACEUTICALS INC 1,812,778 25,143 1.17%
29 STEADYMED LTD 1,756,370 6,305 0.29%
30 DBV TECHNOLOGIES S A 1,743,229 63,332 2.95%
31 EDITAS MEDICINE INCORPORATED 1,709,400 23,043 1.07%
32 ARRAY BIOPHARMA INC 1,650,000 11,138 0.52%
33 ARALEZ PHARMACEUTICALS INC 1,644,583 7,976 0.37%
34 ADEPTUS HEALTH INC 1,600,861 68,917 3.21%
35 Proteon Therapeutics Inc 1,570,467 14,652 0.68%
36 PSIVIDA CORP 1,492,824 4,493 0.21%
37 MYLAN N V 1,423,334 54,257 2.52%
38 Audentes Therapeutics, Inc. 1,403,653 24,999 1.16%
39 Sierra Oncology, Inc. 1,387,115 2,525 0.12%
40 SELECT MED HLDGS CORP COM 1,354,662 18,288 0.85%
41 AERIE PHARMACEUTICALS INC COM 1,338,829 50,527 2.35%
42 FOAMIX PHARMACEUTICALS LTD 1,307,058 12,103 0.56%
43 INVUITY INC 1,282,598 17,597 0.82%
44 AKARI THERAPEUTICS PLC 1,150,700 9,792 0.46%
45 KEMPHARM INC 1,084,443 4,869 0.23%
46 SCYNEXIS INC 1,048,000 4,056 0.19%
47 ACURA PHARMACEUTICALS INC 1,025,641 1,641 0.08%
48 GW PHARMACEUTICALS PLC 1,008,475 133,855 6.23%
49 CYTOMX THERAPEUTICS INC COM 943,433 14,793 0.69%
50 GENOCEA BIOSCIENCES INC 687,257 3,519 0.16%
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