Rock Springs Capital Management

Rock Springs Capital Management as of March 31, 2014

Portfolio Holdings for Rock Springs Capital Management

Rock Springs Capital Management holds 75 positions in its portfolio as reported in the March 2014 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Johnson & Johnson (JNJ) 5.7 $25M 250k 98.23
Gilead Sciences (GILD) 5.4 $24M 331k 70.86
Abbvie (ABBV) 4.3 $19M 360k 51.40
Biogen Idec (BIIB) 3.9 $17M 55k 305.86
McKesson Corporation (MCK) 3.7 $16M 92k 176.57
UnitedHealth (UNH) 3.4 $15M 181k 81.99
Thoratec Corporation 3.3 $14M 401k 35.81
Amgen (AMGN) 3.3 $14M 115k 123.34
InterMune 3.2 $14M 410k 33.47
Thermo Fisher Scientific (TMO) 3.0 $13M 107k 120.24
Health Care SPDR (XLV) 2.7 $12M 200k 58.49
Actavis 2.7 $12M 56k 205.85
Celgene Corporation 2.5 $11M 77k 139.60
Flamel Technologies 2.3 $10M 750k 13.40
Bristol Myers Squibb (BMY) 2.2 $9.6M 186k 51.95
Agilent Technologies Inc C ommon (A) 2.0 $8.7M 155k 55.92
CVS Caremark Corporation (CVS) 1.9 $8.5M 113k 74.86
Cooper Companies 1.9 $8.3M 61k 137.36
Intuitive Surgical (ISRG) 1.9 $8.1M 19k 438.00
Humana (HUM) 1.7 $7.4M 66k 112.72
Alexion Pharmaceuticals 1.7 $7.4M 49k 152.12
Valeant Pharmaceuticals Int 1.6 $7.0M 53k 131.83
Illumina (ILMN) 1.5 $6.3M 43k 148.66
Team Health Holdings 1.2 $5.4M 121k 44.75
Orexigen Therapeutics 1.2 $5.4M 830k 6.50
Cardinal Health (CAH) 1.2 $5.3M 76k 69.97
Forest Laboratories 1.1 $5.0M 54k 92.28
Neurocrine Biosciences (NBIX) 1.1 $4.8M 300k 16.10
HeartWare International 1.1 $4.7M 50k 93.78
Walgreen Company 1.1 $4.7M 71k 66.03
Envision Healthcare Hlds 1.1 $4.7M 138k 33.83
Perrigo Company (PRGO) 1.0 $4.4M 29k 154.67
Intercept Pharmaceuticals In 1.0 $4.3M 13k 329.77
Pacira Pharmaceuticals (PCRX) 1.0 $4.3M 61k 69.98
Tesaro 0.9 $3.8M 130k 29.48
Universal Health Services (UHS) 0.8 $3.7M 45k 82.07
Stericycle (SRCL) 0.8 $3.5M 31k 113.61
Hca Holdings (HCA) 0.8 $3.5M 67k 52.51
Medicines Company 0.8 $3.4M 120k 28.42
Five Prime Therapeutics 0.8 $3.4M 175k 19.66
Incyte Corporation (INCY) 0.8 $3.4M 64k 53.53
Covance 0.8 $3.4M 33k 103.91
WellCare Health Plans 0.8 $3.3M 52k 63.51
Pharmacyclics 0.7 $3.2M 32k 100.22
athenahealth 0.7 $3.1M 20k 160.26
Charles River Laboratories (CRL) 0.7 $3.0M 50k 60.34
Dicerna Pharmaceuticals 0.7 $3.0M 105k 28.25
CHINA CORD Blood Corp 0.7 $2.9M 718k 4.00
RTI Biologics 0.7 $2.8M 686k 4.08
FEI Company 0.7 $2.8M 28k 103.02
Jazz Pharmaceuticals (JAZZ) 0.6 $2.7M 20k 138.68
Mylan 0.6 $2.6M 53k 48.83
Theravance 0.6 $2.6M 83k 30.94
Ultragenyx Pharmaceutical (RARE) 0.6 $2.5M 52k 48.89
Prothena (PRTA) 0.6 $2.5M 65k 38.31
Cerner Corporation 0.6 $2.4M 42k 56.26
Regeneron Pharmaceuticals (REGN) 0.5 $2.3M 7.5k 300.27
Cubist Pharmaceuticals 0.5 $2.2M 30k 73.17
Castlight Health 0.5 $2.1M 100k 21.22
Receptos 0.5 $2.1M 50k 41.94
Advisory Board Company 0.5 $2.0M 31k 64.26
Mednax (MD) 0.5 $2.0M 33k 61.97
WuXi PharmaTech 0.5 $1.9M 53k 36.86
Kindred Biosciences 0.4 $1.7M 93k 18.53
Alkermes (ALKS) 0.4 $1.6M 36k 44.08
Novavax 0.3 $1.5M 325k 4.53
Arrowhead Research 0.3 $1.2M 75k 16.43
Infinity Pharmaceuticals (INFIQ) 0.3 $1.2M 98k 11.89
EnteroMedics 0.3 $1.2M 650k 1.82
Vertex Pharmaceuticals Incorporated (VRTX) 0.3 $1.1M 16k 70.75
AVANIR Pharmaceuticals 0.2 $1.1M 300k 3.67
Gw Pharmaceuticals Plc ads 0.2 $1.1M 18k 59.38
Exelixis (EXEL) 0.2 $882k 249k 3.54
Concert Pharmaceuticals I equity 0.2 $801k 60k 13.45
Puma Biotechnology (PBYI) 0.1 $388k 3.7k 104.08