Rock Springs Capital Management LP Q2 2016 Filing

Filed August 15, 2016

Portfolio Value

$1.4B

Holdings

136

Report Date

Q2 2016

Filing Type

13F-HR

All Holdings (136 positions)

#	Stock	Shares	Value	% Portfolio
101	PRGOPERRIGO CO PLC	37,900	$3.4M	0.25%
102	—NABRIVA THERAPEUTICS AG	426,000	$3.2M	0.24%
103	—AIMMUNE THERAPEUTICS INC	293,000	$3.2M	0.23%
104	MRUSMERUS N V	360,811	$2.9M	0.21%
105	—STERIS PLC	40,000	$2.8M	0.20%
106	—CIDARA THERAPEUTICS INC	250,000	$2.6M	0.19%
107	AGLEUSDAEGLEA BIOTHERAPEUTICS INC	524,089	$2.5M	0.19%
108	NVCRNOVOCURE LTD	214,316	$2.5M	0.19%
109	SRPTSAREPTA THERAPEUTICS INC	131,000	$2.5M	0.18%
110	DVAXDYNAVAX TECHNOLOGIES CORP	165,000	$2.4M	0.18%
111	—DBV TECHNOLOGIES S A	73,000	$2.4M	0.18%
112	—NIVALIS THERAPEUTICS INC	489,000	$2.2M	0.17%
113	ASMBASSEMBLY BIOSCIENCES INC	390,000	$2.2M	0.16%
114	—GENOCEA BIOSCIENCES INC	480,000	$2.0M	0.15%
115	—INOVALON HLDGS INC	104,302	$1.9M	0.14%
116	TTPHEURTETRAPHASE PHARMACEUTICALS I	425,000	$1.8M	0.14%
117	CLVSEURCLOVIS ONCOLOGY INC	125,000	$1.7M	0.13%
118	—DIMENSION THERAPEUTICS INC	271,370	$1.6M	0.12%
119	GBTUSDGLOBAL BLOOD THERAPEUTICS IN	98,000	$1.6M	0.12%
120	—EGALET CORP	300,000	$1.5M	0.11%
121	ICPTUSDINTERCEPT PHARMACEUTICALS IN	10,000	$1.4M	0.11%
122	—CHIASMA INC	492,500	$1.4M	0.11%
123	—ANTHERA PHARMACEUTICALS INC	450,000	$1.4M	0.10%
124	—RELYPSA INC	75,000	$1.4M	0.10%
125	SCYXEURSCYNEXIS INC	635,000	$1.4M	0.10%
126	BHCVALEANT PHARMACEUTICALS INTL	66,100	$1.3M	0.10%
127	—CERULEAN PHARMA INC	625,000	$1.3M	0.10%
128	—ATYR PHARMA INC	433,500	$1.2M	0.09%
129	CERNCHFCERNER CORP	20,000	$1.2M	0.09%
130	SPHSEURSOPHIRIS BIO INC	490,000	$1.1M	0.08%
131	PBYIPUMA BIOTECHNOLOGY INC	33,000	$983K	0.07%
132	—WRIGHT MED GROUP INC	1,000,000	$919K	0.07%
133	—BLUEBIRD BIO INC	20,000	$866K	0.06%
134	—OREXIGEN THERAPEUTICS INC	1,653,000	$711K	0.05%
135	—MIRNA THERAPEUTICS INC	150,000	$639K	0.05%
136	INFIQINFINITY PHARMACEUTICALS INC	270,000	$359K	0.03%

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