DEERFIELD MANAGEMENT COMPANY, L.P. Q1 2017 Filing

Filed May 15, 2017

Portfolio Value

$2.6T

Holdings

105

Report Date

Q1 2017

Filing Type

13F-HR

All Holdings (105 positions)

#StockSharesValue% PortfolioType
1
AVEXIS INC
2,236,701$170.1B6.56%
2
HORIZON PHARMA PLC
10,944,988$161.8B6.24%
3
NXSTAGE MEDICAL INC
3,744,151$100.5B3.87%
4
MYLAN N V
2,492,224$97.2B3.75%Call
5
HORIZON PHARMA INVT LTD
90,100,000$83.3B3.21%
6
GILDGILEAD SCIENCES INC
1,203,000$81.7B3.15%
7
DBV TECHNOLOGIES S A
1,743,229$61.4B2.37%
8
ISIS PHARMACEUTICALS INC DEL
62,500,000$60.2B2.32%
9
PORTOLA PHARMACEUTICALS INC
1,451,301$56.9B2.19%
10
2L9BLUEPRINT MEDICINES CORP
1,365,000$54.6B2.11%
11
ELVANTHEM INC
318,000$52.6B2.03%
12
GW PHARMACEUTICALS PLC
425,545$51.5B1.98%
13
ENDOLOGIX INC
51,117,000$49.2B1.90%
14
KEMPHARM INC
75,000,000$45.7B1.76%
15
CNCCENTENE CORP DEL
603,643$43.0B1.66%
16
LN5LANNET INC
1,853,896$41.4B1.60%
17
ENDOLOGIX INC
40,500,000$40.0B1.54%
18
INTERCEPT PHARMACEUTICALS IN
42,500,000$39.5B1.52%
19
AVDLAVADEL PHARMACEUTICALS PLC
4,072,809$39.4B1.52%
20
TRIB 4 04/01/45TRINITY BIOTECH INVT LTD
48,000,000$38.9B1.50%
21
EDITEDITAS MEDICINE INC
1,709,400$38.2B1.47%
22
NVROEURNEVRO CORP
402,998$37.8B1.46%
23
MOLINA HEALTHCARE INC
35,000,000$37.1B1.43%
24
AERIEURAERIE PHARMACEUTICALS INC
795,743$36.1B1.39%
25
AETNA INC NEW
267,000$34.1B1.31%
26
MCKMCKESSON CORP
229,000$34.0B1.31%
27
NEVRO CORP
27,600,000$33.6B1.29%
28
MALLINCKRODT PUB LTD CO
728,949$32.5B1.25%
29
VNDAVANDA PHARMACEUTICALS INC
2,299,046$32.2B1.24%
30
ARRAY BIOPHARMA INC
22,385,000$31.9B1.23%
31
EHTHEHEALTH INC
2,640,609$31.8B1.23%
32
LOXO ONCOLOGY INC
753,300$31.7B1.22%
33
XNCRXENCOR INC
1,284,758$30.7B1.19%
34
WBAWALGREENS BOOTS ALLIANCE INC
355,957$29.6B1.14%
35
UNIVERSAL AMERN CORP NEW
2,833,531$28.3B1.09%
36
ASNDASCENDIS PHARMA A S
929,226$26.0B1.00%
37
BCRXBIOCRYST PHARMACEUTICALS
3,085,236$25.9B1.00%
38
SYROS PHARMACEUTICALS INC
1,615,136$25.7B0.99%
39
EPIZYME INC
1,413,596$24.2B0.93%
40
WRIGHT MED GROUP INC
20,025,000$24.0B0.93%
41
AUDENTES THERAPEUTICS INC
1,403,653$23.9B0.92%
42
ANABANAPTYSBIO INC
845,746$23.5B0.91%
43
GLPGGALAPAGOS NV
259,768$22.4B0.86%
44
ADVANCED ACCELERATOR APPLIC
523,023$20.8B0.80%
45
AXGNAXOGEN INC
1,838,225$19.2B0.74%
46
LAB 2.75 02/01/34FLUIDIGM CORP DEL
27,715,000$18.6B0.72%
47
SCTLRECRO PHARMA INC
2,075,000$18.1B0.70%
48
HEALTHWAYS INC
11,600,000$17.9B0.69%
49
AAC HLDGS INC
1,975,347$16.9B0.65%
50
BHCVALEANT PHARMACEUTICALS INTL
1,500,000$16.5B0.64%
51
CTMXCYTOMX THERAPEUTICS INC
943,433$16.3B0.63%
52
SELBUSDSELECTA BIOSCIENCES INC
1,060,000$15.2B0.59%
53
NEOS THERAPEUTICS INC
2,099,166$15.1B0.58%
54
SPARK THERAPEUTICS INC
283,000$15.1B0.58%
55
HUMHUMANA INC
69,185$14.3B0.55%
56
IMPAX LABORATORIES INC
17,000,000$13.9B0.53%
57
INVUITY INC
1,690,498$13.4B0.52%
58
WVEWAVE LIFE SCIENCES LTD
472,124$13.0B0.50%
59
AKARI THERAPEUTICS PLC
1,150,700$12.7B0.49%
60
ACRSACLARIS THERAPEUTICS INC
375,000$11.2B0.43%
61
NIVALIS THERAPEUTICS INC
3,732,412$10.9B0.42%
62
ARDXARDELYX INC
841,744$10.6B0.41%
63
JNCEEURJOUNCE THERAPEUTICS INC
468,867$10.3B0.40%
64
ARRYEURARRAY BIOPHARMA INC
1,142,744$10.2B0.39%
65
STEADYMED LTD
1,756,370$10.2B0.39%
66
TESARO INC
66,000$10.2B0.39%
67
BLUEBIRD BIO INC
107,064$9.7B0.38%
68
ALLSCRIPTS HEALTHCARE SOLUTN
9,671,000$9.7B0.37%
69
OXFORD IMMUNOTEC GLOBAL PLC
616,508$9.6B0.37%
70
DC4DEXCOM INC
110,992$9.4B0.36%
71
GKOSGLAUKOS CORP
180,000$9.2B0.36%
72
GMEDGLOBUS MED INC
308,000$9.1B0.35%
73
SG7SAGE THERAPEUTICS INC
122,000$8.7B0.33%
74
AXOVANT SCIENCES LTD
568,005$8.5B0.33%
75
MYOVANT SCIENCES LTD
705,268$8.3B0.32%
76
ALIMERA SCIENCES INC
5,878,015$8.2B0.32%
77
TGTXTG THERAPEUTICS INC
700,000$8.2B0.31%
78
SIERRA ONCOLOGY INC
4,972,319$7.6B0.29%
79
NSTGEURNANOSTRING TECHNOLOGIES INC
352,375$7.0B0.27%
80
ESSA PHARMA INC
2,121,601$6.6B0.26%
81
INFIQINFINITY PHARMACEUTICALS INC
1,969,225$6.4B0.25%
82
KITE PHARMA INC
81,000$6.4B0.25%
83
MYOKARDIA INC
424,800$5.6B0.22%
84
KEMPHARM INC
1,084,443$5.3B0.20%
85
FIVE PRIME THERAPEUTICS INC
138,000$5.0B0.19%
86
GBYSANGAMO THERAPEUTICS INC
837,963$4.4B0.17%
87
ACORDA THERAPEUTICS INC
5,000,000$4.2B0.16%
88
FOAMIX PHARMACEUTICALS LTD
817,435$4.0B0.16%
89
RA PHARMACEUTICALS INC
177,830$3.8B0.15%
90
ARALEZ PHARMACEUTICALS INC
1,644,583$3.5B0.14%
91
BIOSCRIP INC
1,971,228$3.4B0.13%
92
AGILE THERAPEUTICS INC
971,739$3.1B0.12%
93
GENOCEA BIOSCIENCES INC
479,000$2.9B0.11%
94
SCYXEURSCYNEXIS INC
1,048,000$2.9B0.11%
95
ADEPTUS HEALTH INC
1,600,861$2.9B0.11%
96
CAS MED SYS INC
1,798,434$2.6B0.10%
97
PSIVIDA CORP
1,492,824$2.6B0.10%
98
PROTEON THERAPEUTICS INC
1,332,599$2.3B0.09%
99
TIVITY HEALTH INC
76,000$2.2B0.09%
100
VYGRVOYAGER THERAPEUTICS INC
117,647$1.6B0.06%
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