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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 XENCOR INC COM 2,210,900 54,145 2.52%
2 WRIGHT MED GROUP INC SR CONV NT 2 20 40,050,000 42,847 1.99% PRN
3 WALGREENS BOOTS ALLIANCE INC 355,957 28,697 1.33%
4 VOYAGER THERAPEUTICS INC 235,294 2,826 0.13%
5 VANDA PHARMACEUTICALS INC COM 3,435,576 57,168 2.66%
6 UNIVERSAL AMERN CORP NEW 4,592,060 35,129 1.63%
7 TRN 48,000,000 46,775 2.18% PRN
8 TRILLIUM THERAPEUTICS INC 172,307 2,547 0.12%
9 THRESHOLD PHARMACEUTICAL INC 2,202,160 1,492 0.07%
10 TEVA PHARMACEUTICAL INDS LTD 30,000 1,380 0.06%
11 TESARO INCORPORATED 242,300 24,288 1.13%
12 Sierra Oncology, Inc. 1,387,115 2,525 0.12%
13 SYROS PHARMACEUTICALS INC 1,812,778 25,143 1.17%
14 STREAMLINE HEALTH SOLUTIONS COM 662,971 1,220 0.06%
15 STEADYMED LTD 1,756,370 6,305 0.29%
16 ST JUDE MED INC 100,000 7,976 0.37%
17 SPARK THERAPEUTICS INCORPORATED 368,000 22,102 1.03%
18 SELECT MED HLDGS CORP COM 1,354,662 18,288 0.85%
19 SCYNEXIS INC 1,048,000 4,056 0.19%
20 RITE AID CORP 275,000 2,115 0.10%
21 REGENERON PHARMACEUTICALS 3,300 1,327 0.06%
22 Proteon Therapeutics Inc 1,570,467 14,652 0.68%
23 PSIVIDA CORP 1,492,824 4,493 0.21%
24 PROTEOSTASIS THERAPEUTICS IN COM 186,000 2,900 0.13%
25 PORTOLA PHARMACEUTICALS INC 5,639,727 128,078 5.96%
26 PARATEK PHARMACEUTICALS INC 100,000 1,301 0.06%
27 Oxford Immunotec Global PLC 464,541 5,835 0.27%
28 OCERA THERAPEUTICS INC 572,893 1,512 0.07%
29 Nivalis Therapeutics Inc 3,732,412 30,345 1.41%
30 NXSTAGE MED INC COM 4,099,175 102,438 4.76%
31 NEVRO CORP COM 536,355 55,990 2.60%
32 NEOS THERAPEUTICS INC COM 229,166 1,508 0.07%
33 NANOSTRING TECHNOLOGIES INC 226,691 4,529 0.21%
34 MYOKARDIA INC 499,800 8,167 0.38%
35 MYLAN N V 1,423,334 54,257 2.52%
36 MOLINA HEALTHCARE INC 3,000,000 3,561 0.17% PRN
37 LOXO ONCOLOGY INC COM 251,000 6,571 0.31%
38 KEMPHARM INC 1,084,443 4,869 0.23%
39 INVUITY INC 1,282,598 17,597 0.82%
40 INFINITY PHARMACEUTICALS INC 1,935,942 3,020 0.14%
41 Hercules Offshore Inc 76,000 2,011 0.09%
42 HUMANA INC 159,500 28,214 1.31%
43 HORIZON PHARMA PLC 6,434,439 116,656 5.43%
44 HORIZON PHARMA INVT LTD 82,600,000 80,123 3.73% PRN
45 HEALTHWAYS INC 54,382,000 79,222 3.68% PRN
46 GW PHARMACEUTICALS PLC 1,008,475 133,855 6.23%
47 GLOBAL BLOOD THERAPEUTICS INCORPORATED 171,428 3,951 0.18%
48 GLAUKOS CORP 503,277 18,994 0.88%
49 GENOCEA BIOSCIENCES INC 687,257 3,519 0.16%
50 GALAPAGOS NV 423,112 27,358 1.27%
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