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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
1 Receptos Inc 2,000 380 0.01%
2 PERRIGO CO PLC 3,500 647 0.02%
3 Ascendis Pharma 20,859 369 0.01%
4 Esperion Therapeutics Inc 20,900 1,709 0.06%
5 POZEN INC 44,583 460 0.02%
6 INTEGRA LIFESCIENCES HLDGS CP COM NEW 59,468 4,006 0.13%
7 IRONWOOD PHARMACEUTICALS INC 63,700 768 0.03%
8 KINDRED HEALTHCARE INC 70,114 1,423 0.05%
9 HUMANA INC 75,500 14,442 0.48%
10 PSIVIDA CORP 102,823 388 0.01%
11 ST JUDE MED INC 107,719 7,871 0.26%
12 ZS PHARMA INC 132,000 6,915 0.23%
13 MCKESSON CORP 136,000 30,574 1.02%
14 ANTHEM INC 140,806 23,112 0.77%
15 DBV TECHNOLOGIES S A 160,259 4,773 0.16%
16 INVITAE CORP 166,666 2,480 0.08%
17 TRILLIUM THERAPEUTICS INC 172,307 3,760 0.13%
18 JUNO THERAPEUTICS INC COM 183,149 9,767 0.33%
19 ProQR Therapeutics NV 209,398 3,491 0.12%
20 EDWARDS LIFESCIENCES CORP 211,850 30,174 1.01%
21 PACIRA PHARMACEUTICALS INC 212,000 14,993 0.50%
22 INVUITY INC 218,523 3,086 0.10%
23 Biotie Therapies Corp. 219,558 4,385 0.15%
24 RELYPSA INC 225,000 7,445 0.25%
25 CAREDX INC 229,000 1,489 0.05%
26 CIDARA THERAPEUTICS INC 237,583 3,331 0.11%
27 MAZOR ROBOTICS LTD 261,000 3,474 0.12%
28 TRINITY BIOTECH PLC 262,492 4,741 0.16%
29 KINDRED BIOSCIENCES INC 279,204 1,904 0.06%
30 TRANSENTERIX INC 294,669 884 0.03%
31 AAC HLDGS INC 303,027 13,200 0.44%
32 SAGE THERAPEUTICS INC 305,000 22,265 0.74%
33 BLUEBIRD BIO INC COM 326,783 55,020 1.83%
34 PORTOLA PHARMACEUTICALS INC 329,837 15,024 0.50%
35 AKORN INCORPORATED 344,667 15,048 0.50%
36 GW PHARMACEUTICALS PLC 361,953 44,462 1.48%
37 ADEPTUS HEALTH INC 364,000 34,576 1.15%
38 AETNA INC NEW 369,739 47,127 1.57%
39 VERACYTE INC 383,256 4,269 0.14%
40 MIRATI THERAPEUTICS INC COM 397,660 12,514 0.42%
41 AMPHASTAR PHARMACEUTICALS IN COM 448,532 7,885 0.26%
42 NUVASIVE INC 450,272 21,334 0.71%
43 ORTHOFIX INTL N V 457,699 15,159 0.51%
44 Life Technologies Corp 461,530 8,548 0.28%
45 Tracon Pharmaceuticals Inc 485,000 5,495 0.18%
46 DERMIRA INC COM 496,387 8,712 0.29%
47 Oxford Immunotec Global PLC 561,226 7,773 0.26%
48 GENOCEA BIOSCIENCES INC 564,257 7,747 0.26%
49 INOGEN INC COM 601,772 26,839 0.89%
50 CHARLES RIV LABS INTL INC 611,436 43,008 1.43%
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