DEERFIELD MANAGEMENT COMPANY, L.P. Q4 2016 Filing

Filed February 14, 2017

Portfolio Value

$2.4T

Holdings

101

Report Date

Q4 2016

Filing Type

13F-HR

All Holdings (101 positions)

#StockSharesValue% PortfolioType
1
HORIZON PHARMA PLC
8,956,988$144.9B5.96%
2
NXSTAGE MEDICAL INC
4,258,196$111.6B4.59%
3
AVEXIS INC
2,236,701$106.8B4.39%
4
PORTOLA PHARMACEUTICALS INC
4,654,447$104.4B4.30%
5
GW PHARMACEUTICALS PLC
928,192$103.7B4.27%
6
MYLAN N V
2,216,378$84.6B3.48%Call
7
HORIZON PHARMA INVT LTD
82,600,000$78.3B3.22%
8
AERIEURAERIE PHARMACEUTICALS INC
1,838,829$69.6B2.86%
9
ARRAY BIOPHARMA INC
45,000,000$62.5B2.57%
10
DBV TECHNOLOGIES S A
1,743,229$61.2B2.52%
11
VNDAVANDA PHARMACEUTICALS INC
3,424,676$54.6B2.25%
12
NVROEURNEVRO CORP
751,298$54.6B2.25%
13
XNCRXENCOR INC
2,020,000$53.2B2.19%
14
2L9BLUEPRINT MEDICINES CORP
1,842,415$51.7B2.13%
15
ENDOLOGIX INC
51,117,000$46.1B1.90%
16
ELVANTHEM INC
318,000$45.7B1.88%
17
LN5LANNET INC
2,007,551$44.3B1.82%
18
FLAMEL TECHNOLOGIES SA
4,072,809$42.3B1.74%
19
WRIGHT MED GROUP INC
40,050,000$41.8B1.72%
20
TRIB 4 04/01/45TRINITY BIOTECH INVT LTD
48,000,000$40.4B1.66%
21
HUMHUMANA INC
198,000$40.4B1.66%
22
UNIVERSAL AMERN CORP NEW
3,774,090$37.6B1.55%
23
ENDOLOGIX INC
40,500,000$35.4B1.46%
24
CNCCENTENE CORP DEL
603,643$34.1B1.40%
25
ISIS PHARMACEUTICALS INC DEL
33,186,000$33.8B1.39%
26
HEALTHWAYS INC
25,000,000$32.4B1.33%
27
AETNA INC NEW
242,000$30.0B1.23%
28
NEVRO CORP
27,600,000$29.5B1.21%
29
WBAWALGREENS BOOTS ALLIANCE INC
355,957$29.5B1.21%
30
MOLINA HEALTHCARE INC
25,000,000$28.5B1.17%
31
EHTHEHEALTH INC
2,640,609$28.1B1.16%
32
EDITEDITAS MEDICINE INC
1,709,400$27.7B1.14%
33
GLPGGALAPAGOS NV
423,112$27.2B1.12%
34
GMEDGLOBUS MED INC
1,036,000$25.7B1.06%
35
AUDENTES THERAPEUTICS INC
1,403,653$25.6B1.06%
36
SYROS PHARMACEUTICALS INC
1,812,778$22.0B0.91%
37
ASNDASCENDIS PHARMA A S
1,050,000$21.3B0.87%
38
BCRXBIOCRYST PHARMACEUTICALS
3,237,734$20.5B0.84%
39
MALLINCKRODT PUB LTD CO
407,000$20.3B0.83%
40
EPIZYME INC
1,601,049$19.4B0.80%
41
LAB 2.75 02/01/34FLUIDIGM CORP DEL
27,715,000$19.2B0.79%
42
BLUEBIRD BIO INC
302,027$18.6B0.77%
43
MYOVANT SCIENCES LTD
1,496,675$18.6B0.77%
44
CLOVIS ONCOLOGY INC
16,500,000$17.0B0.70%
45
SCTLRECRO PHARMA INC
2,075,000$16.7B0.69%
46
AXGNAXOGEN INC
1,838,225$16.5B0.68%
47
ZBHZIMMER BIOMET HLDGS INC
150,000$15.5B0.64%
48
TESARO INC
112,200$15.1B0.62%
49
SELBUSDSELECTA BIOSCIENCES INC
853,205$14.6B0.60%
50
ARRYEURARRAY BIOPHARMA INC
1,650,000$14.5B0.60%
51
AAC HLDGS INC
1,975,347$14.3B0.59%
52
SPARK THERAPEUTICS INC
283,000$14.1B0.58%
53
FOAMIX PHARMACEUTICALS LTD
1,232,844$13.7B0.56%
54
GKOSGLAUKOS CORP
393,228$13.5B0.55%
55
KITE PHARMA INC
297,902$13.4B0.55%
56
WVEWAVE LIFE SCIENCES LTD
472,124$12.3B0.51%
57
ADEPTUS HEALTH INC
1,600,861$12.2B0.50%
58
CTMXCYTOMX THERAPEUTICS INC
943,433$10.4B0.43%
59
ISIIONIS PHARMACEUTICALS INC
214,095$10.2B0.42%
60
ACRSACLARIS THERAPEUTICS INC
375,000$10.2B0.42%
61
INVUITY INC
1,690,498$9.7B0.40%
62
NIVALIS THERAPEUTICS INC
3,732,412$8.4B0.34%
63
AKARI THERAPEUTICS PLC
1,150,700$8.1B0.33%
64
LOXO ONCOLOGY INC
251,000$8.1B0.33%
65
OXFORD IMMUNOTEC GLOBAL PLC
529,197$7.9B0.33%
66
KERYX BIOPHARMACEUTICALS INC
1,291,531$7.6B0.31%
67
ARALEZ PHARMACEUTICALS INC
1,644,583$7.3B0.30%
68
AXOVANT SCIENCES LTD
568,005$7.1B0.29%
69
FIVE PRIME THERAPEUTICS INC
138,000$6.9B0.28%
70
EXASEXACT SCIENCES CORP
500,000$6.7B0.27%
71
ALIMERA SCIENCES INC
5,878,015$6.3B0.26%
72
ADVANCED ACCELERATOR APPLIC
210,000$5.6B0.23%
73
MYOKARDIA INC
424,800$5.5B0.23%
74
ARDXARDELYX INC
373,643$5.3B0.22%
75
CAS MED SYS INC
3,200,000$5.2B0.21%
76
RA PHARMACEUTICALS INC
323,630$4.9B0.20%
77
ESSA PHARMA INC
2,121,601$4.6B0.19%
78
STEADYMED LTD
1,756,370$4.6B0.19%
79
SCYXEURSCYNEXIS INC
1,048,000$3.3B0.14%
80
KEMPHARM INC
1,084,443$3.2B0.13%
81
NSTGEURNANOSTRING TECHNOLOGIES INC
139,000$3.1B0.13%
82
VYGRVOYAGER THERAPEUTICS INC
235,294$3.0B0.12%
83
GENOCEA BIOSCIENCES INC
687,257$2.8B0.12%
84
GBYSANGAMO BIOSCIENCES INC
837,963$2.6B0.11%
85
PSIVIDA CORP
1,492,824$2.6B0.11%
86
PROTEON THERAPEUTICS INC
1,332,599$2.5B0.10%
87
GBTUSDGLOBAL BLOOD THERAPEUTICS IN
171,428$2.5B0.10%
88
CATABASIS PHARMACEUTICALS IN
682,940$2.5B0.10%
89
PROTEOSTASIS THERAPEUTICS IN
186,000$2.3B0.09%
90
AGILE THERAPEUTICS INC
398,000$2.3B0.09%
91
CELLDEX THERAPEUTICS INC NEW
632,944$2.2B0.09%
92
BIOSCRIP INC
1,971,228$2.0B0.08%
93
PRONAI THERAPEUTICS INC
1,166,619$1.7B0.07%
94
HEALTHWAYS INC
76,000$1.7B0.07%
95
PARATEK PHARMACEUTICALS INC
100,000$1.5B0.06%
96
NOVELION THERAPEUTICS INC
170,454$1.4B0.06%
97
NEOS THERAPEUTICS INC
229,166$1.3B0.06%
98
OCERA THERAPEUTICS INC
572,893$1.2B0.05%
99
THRESHOLD PHARMACEUTICAL INC
2,202,160$971.0M0.04%
100
STREAMLINE HEALTH SOLUTIONS
662,971$829.0M0.03%
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