Rock Springs Capital Management

Rock Springs Capital Management as of Sept. 30, 2015

Portfolio Holdings for Rock Springs Capital Management

Rock Springs Capital Management holds 120 positions in its portfolio as reported in the September 2015 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Acadia Healthcare (ACHC) 4.4 $54M 812k 66.27
Aetna 3.4 $42M 386k 109.41
Abbvie (ABBV) 3.3 $41M 746k 54.41
Radius Health 3.1 $39M 560k 69.31
Hca Holdings (HCA) 3.1 $38M 491k 77.36
Allergan 2.8 $34M 126k 271.81
St. Jude Medical 2.7 $33M 530k 63.09
Alexion Pharmaceuticals 2.2 $27M 172k 156.39
Gilead Sciences (GILD) 2.0 $25M 258k 98.19
Pfizer (PFE) 1.9 $24M 760k 31.41
Spark Therapeutics 1.9 $23M 546k 41.73
Medicines Company 1.8 $23M 595k 37.96
Collegium Pharmaceutical Inc Common Stock Usd (COLL) 1.8 $22M 994k 22.11
Celgene Corporation 1.7 $21M 198k 108.17
Envision Healthcare Hlds 1.7 $21M 570k 36.79
Valeant Pharmaceuticals Int 1.6 $20M 113k 178.38
Eli Lilly & Co. (LLY) 1.6 $20M 233k 83.69
Teva Pharmaceutical Industries (TEVA) 1.5 $18M 325k 56.46
Team Health Holdings 1.4 $17M 315k 54.03
CIGNA Corporation 1.3 $17M 122k 135.02
Intuitive Surgical (ISRG) 1.3 $17M 36k 459.58
Neurocrine Biosciences (NBIX) 1.2 $15M 374k 39.79
Adeptus Health Inc-class A 1.2 $14M 178k 80.76
HeartWare International 1.2 $14M 273k 52.31
Inovalon Holdings Inc Cl A 1.2 $14M 685k 20.83
Retrophin 1.1 $14M 684k 20.26
Tornier Nv 1.1 $14M 660k 20.39
McKesson Corporation (MCK) 1.1 $13M 70k 185.03
Healthsouth 1.1 $13M 338k 38.37
Incyte Corporation (INCY) 1.0 $13M 113k 110.33
Thermo Fisher Scientific (TMO) 1.0 $12M 100k 122.28
Anthem (ELV) 1.0 $12M 88k 140.00
Ardelyx (ARDX) 1.0 $12M 682k 17.28
CVS Caremark Corporation (CVS) 0.9 $12M 120k 96.48
Amgen (AMGN) 0.9 $12M 83k 138.32
Biogen Idec (BIIB) 0.9 $11M 39k 291.80
Prothena (PRTA) 0.9 $11M 248k 45.34
RTI Biologics 0.9 $11M 1.9M 5.68
Ultragenyx Pharmaceutical (RARE) 0.8 $10M 107k 96.31
Chiasma 0.8 $10M 523k 19.88
Zs Pharma 0.8 $10M 155k 65.66
Anacor Pharmaceuticals In 0.8 $10M 86k 117.71
Cardiome Pharma 0.8 $10M 1.2M 8.44
Pra Health Sciences 0.8 $9.8M 253k 38.83
Mednax (MD) 0.8 $9.6M 125k 76.79
Cooper Companies 0.8 $9.2M 62k 148.85
Tesaro 0.7 $9.1M 226k 40.10
Adaptimmune Therapeutics (ADAP) 0.7 $9.1M 756k 11.97
DaVita (DVA) 0.7 $8.8M 122k 72.33
Insys Therapeutics 0.7 $8.8M 308k 28.46
Galapagos Nv- (GLPG) 0.7 $8.5M 210k 40.71
IDEXX Laboratories (IDXX) 0.7 $8.4M 113k 74.25
Juno Therapeutics 0.7 $8.0M 197k 40.69
Aduro Biotech 0.7 $8.0M 415k 19.37
Achillion Pharmaceuticals 0.6 $7.8M 1.1M 6.91
Gw Pharmaceuticals Plc ads 0.6 $7.8M 86k 91.37
Penumbra (PEN) 0.6 $7.8M 195k 40.10
Thoratec Corporation 0.6 $7.6M 120k 63.26
Vertex Pharmaceuticals Incorporated (VRTX) 0.6 $7.5M 72k 104.14
WuXi PharmaTech 0.6 $7.6M 175k 43.21
Intra Cellular Therapies (ITCI) 0.6 $7.2M 180k 40.04
Dermira 0.6 $7.0M 300k 23.34
Pacira Pharmaceuticals (PCRX) 0.6 $6.9M 168k 41.10
Jazz Pharmaceuticals (JAZZ) 0.6 $6.8M 52k 132.82
Insmed (INSM) 0.6 $6.8M 365k 18.57
Theravance Biopharma (TBPH) 0.5 $6.6M 603k 10.99
Endochoice Hldgs 0.5 $6.5M 576k 11.36
Amicus Therapeutics (FOLD) 0.5 $6.4M 455k 13.99
Nivalis Therapeutics 0.5 $6.3M 489k 12.97
Novadaq Technologies 0.5 $5.6M 540k 10.43
Otonomy 0.5 $5.7M 321k 17.81
Coherus Biosciences (CHRS) 0.5 $5.7M 285k 20.04
Intersect Ent 0.5 $5.6M 238k 23.40
Intercept Pharmaceuticals In 0.4 $5.4M 33k 165.85
BioMarin Pharmaceutical (BMRN) 0.4 $5.3M 51k 105.33
CHINA CORD Blood Corp 0.4 $5.3M 880k 6.02
Seres Therapeutics (MCRB) 0.4 $5.3M 180k 29.64
Regeneron Pharmaceuticals (REGN) 0.4 $5.1M 11k 465.18
athenahealth 0.4 $5.1M 38k 133.34
Novavax 0.4 $5.1M 715k 7.07
Kite Pharma 0.4 $5.1M 92k 55.68
Aimmune Therapeutics 0.4 $5.1M 200k 25.32
Tandem Diabetes Care 0.4 $4.8M 543k 8.81
Ascendis Pharma A S (ASND) 0.4 $4.8M 270k 17.70
Macrogenics (MGNX) 0.4 $4.7M 218k 21.42
Relypsa 0.4 $4.7M 252k 18.51
Allergan Plc pfd conv ser a 0.4 $4.7M 5.0k 945.60
Therapeuticsmd 0.4 $4.5M 775k 5.86
Genocea Biosciences 0.4 $4.5M 650k 6.85
Castlight Health 0.3 $4.2M 1.0M 4.20
Fibrogen (FGEN) 0.3 $4.2M 190k 21.92
Aratana Therapeutics 0.3 $4.1M 485k 8.46
Epizyme 0.3 $4.0M 310k 12.86
Egalet 0.3 $4.0M 300k 13.18
Atyr Pharma Inc Common Stock Usd 0.001 0.3 $4.0M 389k 10.26
Bluebird Bio (BLUE) 0.3 $3.9M 45k 85.56
Dynavax Technologies (DVAX) 0.3 $3.7M 150k 24.54
Invitae (NVTAQ) 0.3 $3.7M 510k 7.22
Assembly Biosciences 0.3 $3.5M 371k 9.56
Orexigen Therapeutics 0.3 $3.5M 1.7M 2.11
Advaxis 0.3 $3.4M 337k 10.23
Scynexis 0.3 $3.4M 470k 7.28
Cidara Therapeutics Inc Common Stock Usd 0.0001 0.3 $3.5M 275k 12.72
Nabriva Therapeutics 0.2 $3.1M 324k 9.50
Compugen (CGEN) 0.2 $2.7M 525k 5.17
Global Blood Therapeutics In 0.2 $2.5M 60k 42.17
Anthera Pharmaceutcls 0.2 $2.4M 400k 6.09
Cerulean Pharma 0.2 $2.3M 625k 3.66
Dyax 0.2 $2.2M 115k 19.09
XenoPort 0.2 $1.9M 555k 3.47
Infinity Pharmaceuticals (INFIQ) 0.1 $1.8M 215k 8.45
Raptor Pharmaceutical 0.1 $1.8M 305k 6.05
Five Prime Therapeutics 0.1 $1.8M 120k 15.39
Biodel 0.1 $1.8M 4.0M 0.44
Connecture 0.1 $1.7M 365k 4.56
Kindred Biosciences 0.1 $1.4M 275k 5.20
Puma Biotechnology (PBYI) 0.1 $1.2M 16k 75.35
Ptc Therapeutics I (PTCT) 0.1 $1.1M 43k 26.70
Dbv Technologies S A 0.1 $890k 25k 35.60
Roka Bioscience 0.0 $485k 250k 1.94