DEERFIELD MANAGEMENT COMPANY, L.P. Q2 2019 Filing

Filed August 14, 2019

Portfolio Value

$2.8T

Holdings

97

Report Date

Q2 2019

Filing Type

13F-HR

All Holdings (97 positions)

#StockSharesValue% PortfolioType
1
HZNPHORIZON THERAPEUTICS PUB LTD
6,462,634$155.5B5.59%
2
HORIZON PHARMA INVT LTD
136,032,000$150.5B5.41%
3
MYLAN N V
7,464,327$142.1B5.10%
4
ORTXUSDORCHARD THERAPEUTICS PLC
8,923,600$124.8B4.48%
5
NEVRO CORP
115,776,000$120.6B4.33%
6
FIXXEURHOMOLOGY MEDICINES INC
5,760,368$112.7B4.05%
7
AERIEURAERIE PHARMACEUTICALS INC
3,032,987$89.6B3.22%
8
INTERSECT ENT INC
3,109,004$70.8B2.54%
9
IMMUNOMEDICS INC
4,985,383$69.1B2.48%
10
XLRNACCELERON PHARMA INC
1,305,174$53.6B1.93%
11
INSULET CORP
36,650,000$52.1B1.87%
12
B7SBROOKDALE SR LIVING INC
7,207,239$52.0B1.87%
13
RA PHARMACEUTICALS INC
1,713,000$51.5B1.85%
14
INTERCEPT PHARMACEUTICALS IN
57,791,000$51.4B1.85%
15
MYOKARDIA INC
997,000$50.0B1.80%
16
SRPTSAREPTA THERAPEUTICS INC
309,025$47.0B1.69%
17
DIPLOMAT PHARMACY INC
7,036,670$42.9B1.54%
18
ARGXARGENX SE
281,000$39.8B1.43%
19
VCELVERICEL CORP
2,069,601$39.1B1.40%
20
MALLINCKRODT PUB LTD CO
4,178,219$38.4B1.38%
21
CHRSCOHERUS BIOSCIENCES INC
1,678,022$37.1B1.33%
22
2L9BLUEPRINT MEDICINES CORP
391,254$36.9B1.33%
23
FATEFATE THERAPEUTICS INC
1,702,897$34.6B1.24%
24
ALECALECTOR INC
1,746,923$33.2B1.19%
25
SEMSELECT MED HLDGS CORP
2,043,527$32.4B1.16%
26
DEXCOM INC
20,000,000$31.9B1.15%
27
KEMPHARM INC
65,423,000$31.6B1.14%
28
ANABANAPTYSBIO INC
540,529$30.5B1.10%
29
EDITEDITAS MEDICINE INC
1,158,841$28.7B1.03%
30
SIENUSDSIENTRA INC
4,652,306$28.7B1.03%
31
NTRANATERA INC
1,002,834$27.7B0.99%
32
PTC THERAPEUTICS INC
24,877,000$27.6B0.99%
33
MRTXEURMIRATI THERAPEUTICS INC
264,600$27.3B0.98%
34
XERIS PHARMACEUTICALS INC
2,379,901$27.2B0.98%
35
KALVKALVISTA PHARMACEUTICALS INC
1,217,668$27.0B0.97%
36
EHTHEHEALTH INC
310,900$26.8B0.96%
37
DBV TECHNOLOGIES S A
3,201,222$26.3B0.95%
38
DFB HEALTHCARE ACQUISTION CO
2,500,000$25.9B0.93%
39
EXASEXACT SCIENCES CORP
15,000,000$25.8B0.93%
40
STAASTAAR SURGICAL CO
876,512$25.8B0.93%
41
NVROEURNEVRO CORP
386,000$25.0B0.90%
42
SILKSILK ROAD MEDICAL INC
499,030$24.2B0.87%
43
BCRXBIOCRYST PHARMACEUTICALS
6,292,980$23.9B0.86%
44
NVTA1EURINVITAE CORP
995,312$23.4B0.84%
45
MOHMOLINA HEALTHCARE INC
150,000$21.5B0.77%
46
PTCTPTC THERAPEUTICS INC
471,000$21.2B0.76%
47
ARVNARVINAS INC
921,234$20.3B0.73%
48
WRIGHT MED GROUP N V
13,625,000$20.2B0.73%
49
ADUSADDUS HOMECARE CORP
252,915$19.0B0.68%
50
AUDENTES THERAPEUTICS INC
493,901$18.7B0.67%
51
RETAEURREATA PHARMACEUTICALS INC
197,000$18.6B0.67%
52
SWAVUSDSHOCKWAVE MED INC
312,146$17.8B0.64%
53
HUMHUMANA INC
67,000$17.8B0.64%
54
KNSAKINIKSA PHARMACEUTICALS LTD
1,310,259$17.7B0.64%
55
AXGNAXOGEN INC
891,306$17.6B0.63%
56
WVEWAVE LIFE SCIENCES LTD
669,260$17.5B0.63%
57
RCKTROCKET PHARMACEUTICALS INC
1,137,142$17.1B0.61%
58
CLOVIS ONCOLOGY INC
18,000,000$15.9B0.57%
59
CNCCENTENE CORP DEL
303,000$15.9B0.57%
60
ELVANTHEM INC
53,000$15.0B0.54%
61
MOR2MORPHOSYS AG
600,000$14.5B0.52%
62
RYTMRHYTHM PHARMACEUTICALS INC
623,933$13.7B0.49%
63
DCPHEURDECIPHERA PHARMACEUTICALS IN
607,633$13.7B0.49%
64
GLPGGALAPAGOS NV
101,010$13.0B0.47%
65
GBTUSDGLOBAL BLOOD THERAPEUTICS IN
235,000$12.4B0.44%
66
ATNXEURATHENEX INC
621,859$12.3B0.44%
67
SYROS PHARMACEUTICALS INC
1,268,946$11.8B0.42%
68
TURNING POINT THERAPEUTICS I
287,545$11.7B0.42%
69
PHASEBIO PHARMACEUTICALS INC
851,005$11.2B0.40%
70
SYNLOGIC INC
1,107,643$10.1B0.36%
71
TNDMTANDEM DIABETES CARE INC
152,500$9.8B0.35%
72
ARDXARDELYX INC
3,461,298$9.3B0.33%
73
INSPINSPIRE MED SYS INC
151,106$9.2B0.33%
74
CHWYCHEWY INC
261,337$9.1B0.33%
75
ACRSACLARIS THERAPEUTICS INC
3,983,025$8.7B0.31%
76
ASNSUSDX4 PHARMACEUTICALS INC
565,000$8.5B0.30%
77
AVDLAVADEL PHARMACEUTICALS PLC
2,722,241$7.9B0.28%
78
BBIOBRIDGEBIO PHARMA INC
290,000$7.8B0.28%
79
SRNESORRENTO THERAPEUTICS INC
2,091,461$5.6B0.20%
80
ALIMERA SCIENCES INC
6,052,935$5.4B0.19%
81
TELIGENT INC NEW
9,567,000$5.1B0.18%
82
IDYAIDEAYA BIOSCIENCES INC
425,000$4.2B0.15%
83
BIODELIVERY SCIENCES INTL IN
816,096$3.8B0.14%
84
HARPOON THERAPEUTICS INC
285,000$3.7B0.13%
85
MEDICINES CO
100,000$3.6B0.13%Put
86
ITAMAR MED LTD
314,136$3.5B0.12%
87
AGLEUSDAEGLEA BIOTHERAPEUTICS INC
500,046$3.4B0.12%
88
ADPTADAPTIVE BIOTECHNOLOGIES COR
70,000$3.4B0.12%
89
PFENEX INC
394,255$2.7B0.10%
90
CONSTELLATION PHARMCETICLS I
183,600$2.3B0.08%
91
STIMNEURONETICS INC
159,000$2.0B0.07%
92
NVLSEURALPINE IMMUNE SCIENCES INC
415,908$1.8B0.06%
93
EYENOVIA INC
300,000$1.3B0.05%
94
KIDSORTHOPEDIATRICS CORP
32,000$1.2B0.04%
95
MENLO THERAPEUTICS INC
198,451$1.2B0.04%
96
PROTEON THERAPEUTICS INC
1,224,899$510.0M0.02%
97
NEOS THERAPEUTICS INC
320,993$414.0M0.01%