DEERFIELD MANAGEMENT COMPANY, L.P. Q2 2017 Filing

Filed August 14, 2017

Portfolio Value

$1.9T

Holdings

83

Report Date

Q2 2017

Filing Type

13F-HR

All Holdings (83 positions)

#StockSharesValue% PortfolioType
1
AVEXIS INC
2,308,130$189.6B10.12%
2
GILDGILEAD SCIENCES INC
1,688,515$119.5B6.37%Call
3
HORIZON PHARMA PLC
8,998,413$106.8B5.70%
4
NXSTAGE MEDICAL INC
3,833,330$96.1B5.13%
5
HORIZON PHARMA INVT LTD
74,100,000$64.0B3.41%
6
MYLAN N V
1,367,119$53.1B2.83%
7
MALLINCKRODT PUB LTD CO
1,178,605$52.8B2.82%
8
MCKMCKESSON CORP
315,417$51.9B2.77%
9
AERIEURAERIE PHARMACEUTICALS INC
961,147$50.5B2.69%
10
ISIS PHARMACEUTICALS INC DEL
42,200,000$44.9B2.39%
11
KEMPHARM INC
75,000,000$44.3B2.36%
12
AVDLAVADEL PHARMACEUTICALS PLC
3,655,494$40.3B2.15%
13
TRIB 4 04/01/45TRINITY BIOTECH INVT LTD
48,000,000$38.4B2.05%
14
GKOSGLAUKOS CORP
894,551$37.1B1.98%
15
GW PHARMACEUTICALS PLC
359,983$36.1B1.92%
16
ENDOLOGIX INC
40,500,000$34.3B1.83%
17
INTERSECT ENT INC
1,189,577$33.2B1.77%
18
AUDENTES THERAPEUTICS INC
1,729,268$33.1B1.76%
19
LN5LANNET INC
1,523,957$31.1B1.66%
20
NEVRO CORP
27,600,000$29.6B1.58%
21
EDITEDITAS MEDICINE INC
1,709,400$28.7B1.53%
22
NVROEURNEVRO CORP
376,308$28.0B1.49%
23
DBV TECHNOLOGIES S A
665,197$23.8B1.27%
24
PORTOLA PHARMACEUTICALS INC
419,000$23.5B1.26%
25
BCRXBIOCRYST PHARMACEUTICALS
3,999,202$22.2B1.19%Call
26
INTERCEPT PHARMACEUTICALS IN
22,500,000$22.0B1.17%
27
SELBUSDSELECTA BIOSCIENCES INC
1,060,000$21.1B1.12%
28
SYROS PHARMACEUTICALS INC
1,268,945$20.4B1.09%
29
LOXO ONCOLOGY INC
251,167$20.1B1.07%
30
AETNA INC NEW
130,000$19.7B1.05%
31
PDCOEURPATTERSON COMPANIES INC
393,262$18.5B0.98%
32
DC4DEXCOM INC
247,841$18.1B0.97%
33
LAB 2.75 02/01/34FLUIDIGM CORP DEL
27,715,000$17.2B0.92%
34
OXFORD IMMUNOTEC GLOBAL PLC
945,710$15.9B0.85%
35
ADVANCED ACCELERATOR APPLIC
392,904$15.3B0.82%
36
GLPGGALAPAGOS NV
187,501$14.3B0.77%
37
ELVANTHEM INC
75,182$14.1B0.75%
38
WVEWAVE LIFE SCIENCES LTD
746,841$13.9B0.74%
39
AAC HLDGS INC
1,975,347$13.7B0.73%
40
AEGERION PHARMACEUTICALS INC
16,600,000$13.5B0.72%
41
SCTLRECRO PHARMA INC
1,901,685$13.4B0.71%
42
ANABANAPTYSBIO INC
552,859$13.2B0.71%
43
EHTHEHEALTH INC
690,348$13.0B0.69%
44
XNCRXENCOR INC
562,236$11.9B0.63%
45
CTMXCYTOMX THERAPEUTICS INC
756,822$11.7B0.63%
46
ASNDASCENDIS PHARMA A S
419,453$11.6B0.62%
47
ARDXARDELYX INC
2,279,780$11.6B0.62%
48
AXGNAXOGEN INC
674,428$11.3B0.60%
49
ARGXARGENX SE
509,022$10.8B0.58%
50
NEOS THERAPEUTICS INC
1,459,195$10.7B0.57%
51
MOHMOLINA HEALTHCARE INC
151,665$10.5B0.56%
52
2L9BLUEPRINT MEDICINES CORP
203,000$10.3B0.55%
53
ACRSACLARIS THERAPEUTICS INC
375,000$10.2B0.54%
54
EPIZYME INC
662,369$10.0B0.53%
55
ALLSCRIPTS HEALTHCARE SOLUTN
9,671,000$9.8B0.52%
56
GBYSANGAMO THERAPEUTICS INC
1,094,305$9.6B0.51%
57
CNCCENTENE CORP DEL
119,000$9.5B0.51%
58
PBYIPUMA BIOTECHNOLOGY INC
104,000$9.1B0.48%Put
59
STEADYMED LTD
1,441,913$9.1B0.48%
60
NIVALIS THERAPEUTICS INC
3,732,412$9.0B0.48%
61
INVUITY INC
1,177,229$8.5B0.46%
62
SEMSELECT MED HLDGS CORP
504,632$7.7B0.41%
63
ARNAEURARENA PHARMACEUTICALS INC
416,729$7.0B0.37%
64
ALIMERA SCIENCES INC
4,769,551$6.6B0.35%
65
AXOVANT SCIENCES LTD
239,180$5.5B0.30%
66
BIOHAVEN PHARMACTL HLDG CO L
216,761$5.4B0.29%
67
MYOVANT SCIENCES LTD
400,685$4.7B0.25%
68
SIERRA ONCOLOGY INC
3,495,734$4.1B0.22%
69
MNKDMANNKIND CORP
2,702,403$3.8B0.20%
70
FOAMIX PHARMACEUTICALS LTD
817,435$3.8B0.20%
71
AKARI THERAPEUTICS PLC
818,158$3.8B0.20%
72
MYOKARDIA INC
279,752$3.7B0.20%
73
BIOSCRIP INC
1,327,966$3.6B0.19%
74
AGILE THERAPEUTICS INC
955,109$3.6B0.19%
75
JNCEEURJOUNCE THERAPEUTICS INC
247,872$3.5B0.19%
76
KEMPHARM INC
704,612$2.8B0.15%
77
ARALEZ PHARMACEUTICALS INC
1,644,583$2.2B0.12%
78
PROTEON THERAPEUTICS INC
1,224,899$1.9B0.10%
79
OBALON THERAPEUTICS INC
183,086$1.8B0.10%
80
RA PHARMACEUTICALS INC
82,593$1.5B0.08%
81
VYGRVOYAGER THERAPEUTICS INC
117,647$1.1B0.06%
82
ESSA PHARMA INC
1,416,230$779.0M0.04%
83
PROTEOSTASIS THERAPEUTICS IN
17,251$81.0M0.00%