Rock Springs Capital Management LP Q3 2019 Filing

Filed November 14, 2019

Portfolio Value

$2.5T

Holdings

138

Report Date

Q3 2019

Filing Type

13F-HR

All Holdings (138 positions)

#StockSharesValue% PortfolioType
101
MOMENTA PHARMACEUTICALS INC
400,000$5.2B0.21%
102
AKROAKERO THERAPEUTICS INC
225,000$5.1B0.20%
1036,000,000$5.0B0.20%
104
DERMIRA INC
775,000$5.0B0.20%
105
NGMUSDNGM BIOPHARMACEUTICALS INC
351,100$4.9B0.19%
106
CGENCOMPUGEN LTD
1,100,000$4.7B0.19%
107
CBAYUSDCYMABAY THERAPEUTICS INC
900,000$4.6B0.18%
108
NABRIVA THERAPEUTICS PLC
2,300,000$4.6B0.18%
109
MEDICINES CO
3,000,000$4.5B0.18%
110
GLOBAL CORD BLOOD CORPORATIO
925,000$4.5B0.18%
111
CHIASMA INC
900,000$4.5B0.18%
112
GAMIDA CELL LTD
1,000,000$4.3B0.17%
113
BLUEBIRD BIO INC
47,000$4.3B0.17%
114
HCATHEALTH CATALYST INC
125,000$4.0B0.16%
115
MGNXMACROGENICS INC
300,000$3.8B0.15%
116
LA JOLLA PHARMACEUTICAL CO
425,000$3.7B0.15%
117
ICPTUSDINTERCEPT PHARMACEUTICALS IN
54,400$3.6B0.14%
118
RESTORBIO INC
400,000$3.5B0.14%
119
ARVNARVINAS INC
150,000$3.2B0.13%
120
ACRSACLARIS THERAPEUTICS INC
2,974,754$3.2B0.13%
121
TXG10X GENOMICS INC
63,500$3.2B0.13%
122
FIVE PRIME THERAPEUTICS INC
775,000$3.0B0.12%
123
CORREVIO PHARMA CORP
1,200,000$2.4B0.10%
124
MYOVANT SCIENCES LTD
450,000$2.3B0.09%
125
MERSANA THERAPEUTICS INC
1,400,000$2.2B0.09%
126
PARATEK PHARMACEUTICALS INC
450,000$1.9B0.08%
127
THERAVANCE BIOPHARMA INC
1,500,000$1.4B0.05%
128
NBIX 2.25 05/15/24NEUROCRINE BIOSCIENCES INC
1,000,000$1.4B0.05%
129
RADIUS HEALTH INC
1,500,000$1.4B0.05%
130
ADAPYADAPTIMMUNE THERAPEUTICS PLC
875,000$1.3B0.05%
131
CRVSCORVUS PHARMACEUTICALS INC
400,000$1.2B0.05%
132
CLVSEURCLOVIS ONCOLOGY INC
256,000$1.0B0.04%
133
PACIRA BIOSCIENCES
1,000,000$988.0M0.04%
134
DERMIRA INC
1,000,000$844.0M0.03%
135
NVV1NOVAVAX INC
162,500$816.0M0.03%
136
KLDOKALEIDO BIOSCIENCES INC
100,050$753.0M0.03%
137
PROTEOSTASIS THERAPEUTICS IN
400,000$338.0M0.01%
138
CVETUSDCOVETRUS INC
20,683$246.0M0.01%
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