DEERFIELD MANAGEMENT COMPANY, L.P. Q4 2018 Filing

Filed February 14, 2019

Portfolio Value

$2.5T

Holdings

99

Report Date

Q4 2018

Filing Type

13F-HR

All Holdings (99 positions)

#StockSharesValue% PortfolioType
1
HORIZON PHARMA PLC
6,825,719$133.4B5.34%
2
ORTXUSDORCHARD THERAPEUTICS PLC
8,023,600$126.2B5.05%
3
FIXXEURHOMOLOGY MEDICINES INC
5,227,035$116.9B4.68%
4
HORIZON PHARMA INVT LTD
113,532,000$112.7B4.51%
5
NEVRO CORP
100,000,000$92.3B3.69%
6
MYLAN N V
2,833,741$77.6B3.11%
7
DEXCOM INC
55,000,000$73.7B2.95%
8
VCELVERICEL CORP
3,725,900$64.8B2.60%
9
XLRNACCELERON PHARMA INC
1,386,541$60.4B2.42%
10
INTERSECT ENT INC
2,078,375$58.6B2.34%
11
BCRXBIOCRYST PHARMACEUTICALS
6,910,789$55.8B2.23%
12
AERIEURAERIE PHARMACEUTICALS INC
1,518,596$54.8B2.19%
13
INTERCEPT PHARMACEUTICALS IN
57,791,000$53.0B2.12%
14
MYOKARDIA INC
997,000$48.7B1.95%
15
ANABANAPTYSBIO INC
743,439$47.4B1.90%
16
ARGXARGENX SE
472,000$45.3B1.82%
17
ACRSACLARIS THERAPEUTICS INC
5,893,416$43.6B1.74%
18
XERIS PHARMACEUTICALS INC
2,498,666$42.5B1.70%
19
EHTHEHEALTH INC
1,076,402$41.4B1.66%
20
KEMPHARM INC
65,423,000$39.4B1.58%
21
UHSUNIVERSAL HLTH SVCS INC
332,000$38.7B1.55%
22
SRPTSAREPTA THERAPEUTICS INC
341,800$37.3B1.49%
23
CVSCVS HEALTH CORP
566,800$37.1B1.49%Call
24
MRTXEURMIRATI THERAPEUTICS INC
874,486$37.1B1.48%
25
NVROEURNEVRO CORP
914,273$35.6B1.42%
26
CNCCENTENE CORP DEL
286,000$33.0B1.32%
27
PORTOLA PHARMACEUTICALS INC
1,677,414$32.7B1.31%
28
WRIGHT MED GROUP N V
23,625,000$32.2B1.29%
29
KNSAKINIKSA PHARMACEUTICALS LTD
1,128,822$31.7B1.27%
30
ASNDASCENDIS PHARMA A S
505,098$31.6B1.27%
31
DIPLOMAT PHARMACY INC
2,348,993$31.6B1.27%
32
B7SBROOKDALE SR LIVING INC
4,240,855$28.4B1.14%
33
GKOSGLAUKOS CORP
504,000$28.3B1.13%
34
2L9BLUEPRINT MEDICINES CORP
521,000$28.1B1.12%
35
RA PHARMACEUTICALS INC
1,502,000$27.3B1.09%
36
GLPGGALAPAGOS NV
288,407$26.5B1.06%
37
EDITEDITAS MEDICINE INC
1,158,841$26.4B1.06%
38
IMMUNOMEDICS INC
1,833,202$26.2B1.05%
39
DFB HEALTHCARE ACQUISTION CO
2,500,000$25.3B1.01%
40
ELVANTHEM INC
95,000$24.9B1.00%
41
ALLERGAN PLC
180,000$24.1B0.96%
42
FATEFATE THERAPEUTICS INC
1,654,865$21.2B0.85%
43
SEMSELECT MED HLDGS CORP
1,382,890$21.2B0.85%
44
TNDMTANDEM DIABETES CARE INC
553,765$21.0B0.84%
45
RETAEURREATA PHARMACEUTICALS INC
364,000$20.4B0.82%
46
SIENUSDSIENTRA INC
1,572,891$20.0B0.80%
47
MOHMOLINA HEALTHCARE INC
151,772$17.6B0.71%
48
NTRANATERA INC
1,253,000$17.5B0.70%
49
INSPINSPIRE MED SYS INC
400,781$16.9B0.68%
50
EXASEXACT SCIENCES CORP
15,000,000$16.5B0.66%
51
ACHCACADIA HEALTHCARE COMPANY IN
621,000$16.0B0.64%
52
ADUSADDUS HOMECARE CORP
232,900$15.8B0.63%
53
MOR2MORPHOSYS AG
600,000$15.2B0.61%
54
KALVKALVISTA PHARMACEUTICALS INC
650,000$12.8B0.51%
55
DCPHEURDECIPHERA PHARMACEUTICALS IN
607,633$12.8B0.51%
56
ARVNARVINAS INC
921,234$11.8B0.47%
57
GW PHARMACEUTICALS PLC
109,117$10.6B0.43%
58
CBAYUSDCYMABAY THERAPEUTICS INC
1,343,181$10.6B0.42%
59
AUDENTES THERAPEUTICS INC
493,901$10.5B0.42%
60
AXOVANT SCIENCES LTD
10,000,000$10.0B0.40%
61
CTMXCYTOMX THERAPEUTICS INC
622,548$9.4B0.38%
62
OSMOTICA PHARMACEUTICALS PLC
1,138,256$8.8B0.35%
63
ALLOALLOGENE THERAPEUTICS INC
326,797$8.8B0.35%
64
EXASEXACT SCIENCES CORP
129,000$8.1B0.33%
65
RYTMRHYTHM PHARMACEUTICALS INC
291,005$7.8B0.31%
66
SYNLOGIC INC
1,107,643$7.8B0.31%
67
ATNXEURATHENEX INC
610,700$7.8B0.31%
68
AUTLAUTOLUS THERAPEUTICS PLC
235,576$7.7B0.31%
69
NVTA1EURINVITAE CORP
688,062$7.6B0.30%
70
NUVASIVE INC
7,000,000$7.4B0.29%
71
SYROS PHARMACEUTICALS INC
1,268,945$7.1B0.28%
72
AVDLAVADEL PHARMACEUTICALS PLC
2,722,241$7.0B0.28%
73
LIVNLIVANOVA PLC
71,500$6.5B0.26%
74
TELIGENT INC NEW
9,567,000$6.5B0.26%
75
ARDXARDELYX INC
2,962,922$5.3B0.21%
76
KPTIEURKARYOPHARM THERAPEUTICS INC
475,000$4.5B0.18%
77
ALIMERA SCIENCES INC
6,052,935$4.3B0.17%
78
RCKTROCKET PHARMACEUTICALS INC
280,000$4.2B0.17%
79
IGI LABORATORIES INC
3,733,000$3.6B0.15%
80
PFENEX INC
1,069,514$3.4B0.14%
81
STIMNEURONETICS INC
159,000$3.1B0.12%
82
PROTEON THERAPEUTICS INC
1,224,899$2.8B0.11%
83
BIOSCRIP INC
767,000$2.7B0.11%
84
AAC HLDGS INC
1,936,027$2.7B0.11%
85
CONSTELLATION PHARMCETICLS I
635,843$2.5B0.10%
86
MGTXMEIRAGTX HOLDINGS PLC
234,000$2.3B0.09%
87
AXGNAXOGEN INC
104,674$2.1B0.09%
88
NUVECTRA CORP
129,000$2.1B0.08%
89
KIDSORTHOPEDIATRICS CORP
58,247$2.0B0.08%
90
NEOS THERAPEUTICS INC
1,230,267$2.0B0.08%
91
YB4PSAVARA INC
250,000$1.9B0.08%
92
NVLSEURALPINE IMMUNE SCIENCES INC
475,450$1.8B0.07%
93
PROTEOSTASIS THERAPEUTICS IN
419,000$1.4B0.05%
94
VYGRVOYAGER THERAPEUTICS INC
117,647$1.1B0.04%
95
MNKDMANNKIND CORP
943,298$1.0B0.04%
96
RA MED SYS INC
108,400$862.0M0.03%
97
EYENOVIA INC
300,000$855.0M0.03%
98
MELINTA THERAPEUTICS INC
333,902$265.0M0.01%
99
HISTOGENICS CORP
296,099$26.0M0.00%