DEERFIELD MANAGEMENT COMPANY, L.P. Q3 2019 Filing

Filed November 14, 2019

Portfolio Value

$2.5T

Holdings

95

Report Date

Q3 2019

Filing Type

13F-HR

All Holdings (95 positions)

#StockSharesValue% PortfolioType
1
HZNPHORIZON THERAPEUTICS PUB LTD
6,462,634$176.0B7.17%
2
HORIZON PHARMA INVT LTD
136,032,000$158.1B6.45%
3
MYLAN N V
7,654,065$151.4B6.17%
4
NEVRO CORP
115,776,000$131.4B5.36%
5
ORTXUSDORCHARD THERAPEUTICS PLC
8,923,600$106.0B4.32%
6
FIXXEURHOMOLOGY MEDICINES INC
5,760,368$104.3B4.25%
7
AERIEURAERIE PHARMACEUTICALS INC
4,568,824$87.8B3.58%
8
RYTMRHYTHM PHARMACEUTICALS INC
2,589,291$55.9B2.28%
9
B7SBROOKDALE SR LIVING INC
7,207,239$54.6B2.23%
10
INTERSECT ENT INC
3,109,004$52.9B2.16%
11
XLRNACCELERON PHARMA INC
1,305,174$51.6B2.10%
12
MYOKARDIA INC
981,430$51.2B2.09%
13
INTERCEPT PHARMACEUTICALS IN
57,791,000$49.5B2.02%
14
IMMUNOMEDICS INC
3,214,000$42.6B1.74%
15
CLOVIS ONCOLOGY INC
49,064,000$42.3B1.72%
16
RA PHARMACEUTICALS INC
1,728,019$40.9B1.67%
17
MIRMMIRUM PHARMACEUTICALS INC
3,448,912$34.7B1.41%
18
KEMPHARM INC
62,423,000$32.2B1.31%
19
ARGXARGENX SE
281,000$32.0B1.31%
20
SILKSILK ROAD MEDICAL INC
979,480$31.9B1.30%
21
VCELVERICEL CORP
2,081,000$31.5B1.28%
22
CHRSCOHERUS BIOSCIENCES INC
1,540,305$31.2B1.27%
23
CNCCENTENE CORP DEL
720,400$31.2B1.27%
24
FATEFATE THERAPEUTICS INC
1,952,897$30.3B1.24%
25
ALECALECTOR INC
2,076,812$29.9B1.22%
26
SRPTSAREPTA THERAPEUTICS INC
382,000$28.8B1.17%
27
SEMSELECT MED HLDGS CORP
1,714,099$28.4B1.16%
28
2L9BLUEPRINT MEDICINES CORP
377,200$27.7B1.13%
29
DBV TECHNOLOGIES S A
3,201,222$27.5B1.12%
30
SIENUSDSIENTRA INC
4,137,470$26.8B1.09%
31
TNDMTANDEM DIABETES CARE INC
454,334$26.8B1.09%
32
EDITEDITAS MEDICINE INC
1,158,841$26.4B1.07%
33
PTC THERAPEUTICS INC
24,877,000$25.9B1.06%
34
DFB HEALTHCARE ACQUISTION CO
2,500,000$25.8B1.05%
35
AXGNAXOGEN INC
1,842,330$23.0B0.94%
36
SWTXSPRINGWORKS THERAPEUTICS INC
1,050,888$22.8B0.93%
37
XERIS PHARMACEUTICALS INC
2,308,666$22.7B0.93%
38
MOHMOLINA HEALTHCARE INC
197,056$21.6B0.88%
39
RCKTROCKET PHARMACEUTICALS INC
1,773,938$20.7B0.84%
40
DCPHEURDECIPHERA PHARMACEUTICALS IN
594,725$20.2B0.82%
41
ADUSADDUS HOMECARE CORP
252,915$20.1B0.82%
42
ARVNARVINAS INC
921,234$19.9B0.81%
43
MRTXEURMIRATI THERAPEUTICS INC
233,000$18.2B0.74%
44
HUMHUMANA INC
67,000$17.1B0.70%
45
WVEWAVE LIFE SCIENCES LTD
807,727$16.6B0.68%
46
ARDXARDELYX INC
3,400,410$16.0B0.65%
47
WRIGHT MED GROUP N V
13,625,000$15.9B0.65%
48
PTCTPTC THERAPEUTICS INC
471,000$15.9B0.65%
49
RETAEURREATA PHARMACEUTICALS INC
197,000$15.8B0.64%
50
GLPGGALAPAGOS NV
101,010$15.4B0.63%
51
ANABANAPTYSBIO INC
425,443$14.9B0.61%
52
DIPLOMAT PHARMACY INC
2,996,328$14.7B0.60%
53
TURNING POINT THERAPEUTICS I
387,545$14.6B0.59%
54
AUDENTES THERAPEUTICS INC
493,901$13.9B0.57%
55
SYROS PHARMACEUTICALS INC
1,268,946$13.2B0.54%
56
GBTUSDGLOBAL BLOOD THERAPEUTICS IN
268,100$13.0B0.53%
57
AVDLAVADEL PHARMACEUTICALS PLC
2,722,241$11.3B0.46%
58
KNSAKINIKSA PHARMACEUTICALS LTD
1,274,086$10.8B0.44%
59
KALVKALVISTA PHARMACEUTICALS INC
890,668$10.3B0.42%
60
MALLINCKRODT PUB LTD CO
4,191,327$10.1B0.41%
61
INGNINOGEN INC
191,660$9.2B0.37%
62
GHGUARDANT HEALTH INC
126,000$8.0B0.33%
63
BCRXBIOCRYST PHARMACEUTICALS
2,774,643$7.9B0.32%
64
EHTHEHEALTH INC
110,000$7.3B0.30%
65
ATRCATRICURE INC
292,777$7.3B0.30%
66
ASNSUSDX4 PHARMACEUTICALS INC
563,741$7.2B0.29%
67
AIMMUNE THERAPEUTICS INC
339,480$7.1B0.29%
68
AVROBIO INC
500,000$7.1B0.29%
69
BBIOBRIDGEBIO PHARMA INC
290,000$6.2B0.25%
70
TELIGENT INC NEW
9,567,000$5.5B0.23%
71
MEDICINES CO
100,000$5.0B0.20%Put
72
PRVBUSDPROVENTION BIO INC
725,000$4.9B0.20%
73
ABMDEURABIOMED INC
27,600$4.9B0.20%
74
FORTY SEVEN INC
750,000$4.8B0.20%
75
1K0IGM BIOSCIENCES INC
250,000$4.4B0.18%
76
ALIMERA SCIENCES INC
7,062,607$4.0B0.16%
77
AGLEUSDAEGLEA BIOTHERAPEUTICS INC
500,046$3.8B0.16%
78
IDYAIDEAYA BIOSCIENCES INC
422,974$3.8B0.16%
79
HARPOON THERAPEUTICS INC
264,497$3.6B0.15%
80
BIODELIVERY SCIENCES INTL IN
816,096$3.4B0.14%
81
MOR2MORPHOSYS AG
124,701$3.4B0.14%
82
STIMNEURONETICS INC
339,512$2.8B0.12%
83
ITAMAR MED LTD
314,136$2.7B0.11%
84
ATECALPHATEC HOLDINGS INC
536,517$2.7B0.11%
85
SYNLOGIC INC
1,107,643$2.5B0.10%
86
AGILE THERAPEUTICS INC
1,591,652$1.9B0.08%
87
CSTLCASTLE BIOSCIENCES INC
92,477$1.7B0.07%
88
NVLSEURALPINE IMMUNE SCIENCES INC
406,926$1.6B0.07%
89
VRAYQVIEWRAY INC
378,623$1.1B0.04%
90
EYENOVIA INC
197,069$729.0M0.03%
91
KEMPHARM INC
692,104$477.0M0.02%
92
NEOS THERAPEUTICS INC
320,993$475.0M0.02%
93
MENLO THERAPEUTICS INC
99,622$446.0M0.02%
94
PROTEON THERAPEUTICS INC
1,224,899$318.0M0.01%
95
CONSTELLATION PHARMCETICLS I
23,600$152.0M0.01%