Rock Springs Capital Management

Rock Springs Capital Management as of June 30, 2014

Portfolio Holdings for Rock Springs Capital Management

Rock Springs Capital Management holds 78 positions in its portfolio as reported in the June 2014 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Gilead Sciences (GILD) 5.0 $28M 340k 82.91
Merck & Co (MRK) 4.9 $28M 475k 57.85
Medtronic 4.7 $27M 415k 63.76
InterMune 4.3 $24M 538k 44.15
McKesson Corporation (MCK) 4.0 $22M 119k 186.21
Biogen Idec (BIIB) 3.4 $19M 60k 315.32
Thoratec Corporation 3.1 $17M 492k 34.86
Abbvie (ABBV) 2.8 $16M 275k 56.44
Actavis 2.6 $15M 66k 223.06
Celgene Corporation 2.5 $14M 160k 85.88
Amgen (AMGN) 2.4 $14M 115k 118.37
Alexion Pharmaceuticals 2.4 $13M 86k 156.24
Thermo Fisher Scientific (TMO) 2.3 $13M 108k 118.00
Flamel Technologies 2.1 $12M 775k 15.00
Humana (HUM) 1.7 $9.3M 73k 127.72
CVS Caremark Corporation (CVS) 1.6 $9.1M 121k 75.37
CIGNA Corporation 1.6 $8.7M 95k 91.97
Intuitive Surgical (ISRG) 1.6 $8.7M 21k 411.78
Cooper Companies 1.5 $8.5M 63k 135.52
Hill-Rom Holdings 1.4 $8.1M 195k 41.51
athenahealth 1.4 $7.8M 62k 125.12
Illumina (ILMN) 1.4 $7.7M 43k 178.53
RTI Biologics 1.4 $7.6M 1.8M 4.35
Aetna 1.3 $7.5M 93k 81.08
Pacira Pharmaceuticals (PCRX) 1.3 $7.1M 78k 91.86
Valeant Pharmaceuticals Int 1.2 $7.0M 55k 126.12
St. Jude Medical 1.2 $6.9M 100k 69.25
Team Health Holdings 1.1 $6.1M 122k 49.94
Walgreen Company 1.1 $5.9M 80k 74.12
Envision Healthcare Hlds 1.1 $5.9M 165k 35.91
Rite Aid Corporation 1.0 $5.7M 800k 7.17
Orexigen Therapeutics 1.0 $5.6M 905k 6.18
Agilent Technologies Inc C ommon (A) 1.0 $5.5M 95k 57.44
Acadia Healthcare (ACHC) 1.0 $5.5M 120k 45.50
Cardinal Health (CAH) 1.0 $5.4M 79k 68.56
Incyte Corporation (INCY) 1.0 $5.3M 95k 56.44
Theravance 1.0 $5.4M 180k 29.78
Forest Laboratories 1.0 $5.3M 54k 99.00
MWI Veterinary Supply 1.0 $5.4M 38k 141.99
Tesaro 0.9 $5.1M 165k 31.11
HeartWare International 0.9 $5.1M 58k 88.50
Stericycle (SRCL) 0.9 $4.9M 42k 118.41
Hca Holdings (HCA) 0.9 $4.9M 88k 56.38
Pharmacyclics 0.9 $4.9M 54k 89.71
Kindred Biosciences 0.8 $4.6M 248k 18.64
Neurocrine Biosciences (NBIX) 0.8 $4.6M 310k 14.84
Vertex Pharmaceuticals Incorporated (VRTX) 0.8 $4.4M 46k 94.68
FEI Company 0.8 $4.2M 46k 90.74
CHINA CORD Blood Corp 0.7 $4.1M 750k 5.52
Perrigo Company (PRGO) 0.7 $4.2M 29k 145.75
Cyberonics 0.7 $4.0M 65k 62.47
AVANIR Pharmaceuticals 0.7 $3.9M 700k 5.64
Medicines Company 0.7 $3.9M 135k 29.06
WellCare Health Plans 0.7 $3.8M 52k 74.66
Charles River Laboratories (CRL) 0.7 $3.8M 71k 53.52
Advisory Board Company 0.7 $3.8M 73k 51.81
Covance 0.7 $3.7M 43k 85.58
Intercept Pharmaceuticals In 0.6 $3.6M 15k 236.62
Versartis 0.6 $3.5M 124k 28.04
Prothena (PRTA) 0.6 $3.4M 150k 22.55
WuXi PharmaTech 0.6 $3.2M 97k 32.86
Tandem Diabetes Care 0.6 $3.2M 195k 16.26
Relypsa 0.6 $3.1M 126k 24.32
CareFusion Corporation 0.5 $3.0M 68k 44.35
Ultragenyx Pharmaceutical (RARE) 0.5 $2.9M 66k 44.89
Allergan 0.5 $2.7M 16k 169.23
Cubist Pharmaceuticals 0.5 $2.7M 39k 69.82
Novavax 0.5 $2.6M 570k 4.62
Regeneron Pharmaceuticals (REGN) 0.4 $2.1M 7.5k 282.53
Alkermes (ALKS) 0.4 $2.1M 41k 50.33
Infinity Pharmaceuticals (INFIQ) 0.3 $1.9M 153k 12.74
Five Prime Therapeutics 0.3 $1.9M 125k 15.55
Arrowhead Research 0.3 $1.6M 115k 14.31
Theravance Biopharma (TBPH) 0.3 $1.6M 50k 31.88
Novadaq Technologies 0.3 $1.5M 90k 16.48
EnteroMedics 0.2 $1.3M 850k 1.56
Exelixis (EXEL) 0.1 $678k 200k 3.39
Cerulean Pharma 0.1 $497k 86k 5.80