Rock Springs Capital Management as of March 31, 2017
Portfolio Holdings for Rock Springs Capital Management
Rock Springs Capital Management holds 140 positions in its portfolio as reported in the March 2017 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price |
|---|---|---|---|---|---|
| Tesaro | 4.2 | $73M | 475k | 153.87 | |
| Acadia Healthcare (ACHC) | 3.2 | $56M | 1.3M | 43.60 | |
| Alexion Pharmaceuticals | 3.2 | $55M | 457k | 121.24 | |
| Merck & Co (MRK) | 2.8 | $48M | 750k | 63.54 | |
| Pacira Pharmaceuticals (PCRX) | 2.6 | $46M | 1.0M | 45.60 | |
| Gw Pharmaceuticals Plc ads | 2.5 | $43M | 357k | 120.94 | |
| Allergan | 2.3 | $40M | 166k | 238.92 | |
| CIGNA Corporation | 2.3 | $40M | 270k | 146.49 | |
| Intuitive Surgical (ISRG) | 2.1 | $37M | 48k | 766.48 | |
| Radius Health | 2.0 | $35M | 910k | 38.65 | |
| Medicines Company | 2.0 | $34M | 700k | 48.90 | |
| Advanced Accelerat spon ads each rep 2 ord | 1.9 | $34M | 850k | 39.86 | |
| Spark Therapeutics | 1.9 | $33M | 625k | 53.34 | |
| WellCare Health Plans | 1.9 | $33M | 235k | 140.21 | |
| Celgene Corporation | 1.7 | $30M | 243k | 124.43 | |
| Pra Health Sciences | 1.7 | $30M | 458k | 65.23 | |
| Aetna | 1.6 | $28M | 220k | 127.55 | |
| Eli Lilly & Co. (LLY) | 1.6 | $27M | 325k | 84.11 | |
| Humana (HUM) | 1.6 | $27M | 133k | 206.14 | |
| UnitedHealth (UNH) | 1.6 | $27M | 165k | 164.01 | |
| Penumbra (PEN) | 1.5 | $26M | 311k | 83.45 | |
| Ardelyx (ARDX) | 1.5 | $25M | 2.0M | 12.65 | |
| Bristol Myers Squibb (BMY) | 1.4 | $25M | 453k | 54.38 | |
| Shire | 1.4 | $24M | 139k | 174.23 | |
| Incyte Corporation (INCY) | 1.3 | $23M | 169k | 133.67 | |
| Theravance Biopharma (TBPH) | 1.3 | $22M | 600k | 36.82 | |
| Johnson & Johnson (JNJ) | 1.3 | $22M | 175k | 124.55 | |
| Wright Medical Group Nv | 1.2 | $21M | 670k | 31.12 | |
| Aclaris Therapeutics (ACRS) | 1.2 | $20M | 675k | 29.82 | |
| Gilead Sciences (GILD) | 1.1 | $20M | 287k | 67.92 | |
| Jazz Pharmaceuticals (JAZZ) | 1.0 | $18M | 124k | 145.13 | |
| Galapagos Nv- (GLPG) | 1.0 | $18M | 210k | 86.19 | |
| Neurocrine Biosciences (NBIX) | 1.0 | $18M | 410k | 43.30 | |
| Prothena (PRTA) | 1.0 | $17M | 310k | 55.79 | |
| Collegium Pharmaceutical Inc Common Stock Usd (COLL) | 1.0 | $17M | 1.7M | 10.06 | |
| Ra Pharmaceuticals | 1.0 | $17M | 789k | 21.29 | |
| Amgen (AMGN) | 0.9 | $16M | 98k | 164.07 | |
| Amarin Corporation (AMRN) | 0.9 | $16M | 5.0M | 3.20 | |
| Hologic (HOLX) | 0.8 | $15M | 340k | 42.55 | |
| Willis Towers Watson (WTW) | 0.8 | $14M | 110k | 130.89 | |
| Coherus Biosciences (CHRS) | 0.8 | $14M | 675k | 21.15 | |
| Danaher Corporation (DHR) | 0.8 | $14M | 160k | 85.53 | |
| Edwards Lifesciences (EW) | 0.8 | $13M | 143k | 94.07 | |
| Walgreen Boots Alliance (WBA) | 0.8 | $13M | 161k | 83.05 | |
| Invitae (NVTAQ) | 0.8 | $13M | 1.2M | 11.06 | |
| Biogen Idec (BIIB) | 0.8 | $13M | 48k | 273.42 | |
| Dermira | 0.8 | $13M | 388k | 34.11 | |
| Clovis Oncology | 0.7 | $12M | 185k | 63.67 | |
| Therapeuticsmd | 0.7 | $12M | 1.6M | 7.20 | |
| Healthsouth | 0.7 | $11M | 265k | 42.81 | |
| BioMarin Pharmaceutical (BMRN) | 0.6 | $11M | 125k | 87.78 | |
| Almost Family | 0.6 | $11M | 225k | 48.60 | |
| Ultragenyx Pharmaceutical (RARE) | 0.6 | $11M | 160k | 67.78 | |
| Avexis | 0.6 | $11M | 140k | 76.03 | |
| Patheon N V | 0.6 | $11M | 400k | 26.34 | |
| Paratek Pharmaceuticals | 0.6 | $10M | 526k | 19.25 | |
| Vertex Pharmaceuticals Incorporated (VRTX) | 0.6 | $9.9M | 91k | 109.35 | |
| Assembly Biosciences | 0.6 | $9.9M | 390k | 25.49 | |
| Epizyme | 0.6 | $9.8M | 570k | 17.15 | |
| Beigene (BGNE) | 0.6 | $9.7M | 265k | 36.61 | |
| Merus N V (MRUS) | 0.5 | $9.4M | 385k | 24.39 | |
| Ascendis Pharma A S (ASND) | 0.5 | $9.1M | 325k | 28.00 | |
| Corvus Pharmaceuticals (CRVS) | 0.5 | $8.8M | 423k | 20.77 | |
| Envision Healthcare | 0.5 | $8.9M | 145k | 61.32 | |
| Obseva Sa | 0.5 | $8.7M | 839k | 10.41 | |
| Audentes Therapeutics | 0.5 | $8.5M | 500k | 17.04 | |
| Insmed (INSM) | 0.5 | $8.2M | 468k | 17.51 | |
| EXACT Sciences Corporation (EXAS) | 0.5 | $8.0M | 338k | 23.62 | |
| Loxo Oncology | 0.4 | $7.6M | 181k | 42.08 | |
| RTI Biologics | 0.4 | $7.4M | 1.9M | 4.00 | |
| Retrophin | 0.4 | $7.4M | 400k | 18.46 | |
| Clearside Biomedical (CLSD) | 0.4 | $7.4M | 935k | 7.94 | |
| Alkermes (ALKS) | 0.4 | $7.3M | 125k | 58.50 | |
| athenahealth | 0.4 | $7.1M | 63k | 112.69 | |
| Tetraphase Pharmaceuticals | 0.4 | $6.4M | 698k | 9.19 | |
| Aimmune Therapeutics | 0.4 | $6.4M | 293k | 21.73 | |
| Egalet Corporation note 5.50% 4/1/20 | 0.4 | $6.5M | 7.8M | 0.83 | |
| Achillion Pharmaceuticals | 0.4 | $6.3M | 1.5M | 4.21 | |
| Nabriva Therapeutics | 0.4 | $6.3M | 525k | 12.00 | |
| Regeneron Pharmaceuticals (REGN) | 0.3 | $5.9M | 15k | 387.48 | |
| CHINA CORD Blood Corp | 0.3 | $5.9M | 880k | 6.66 | |
| Five Prime Therapeutics | 0.3 | $6.0M | 165k | 36.15 | |
| Intersect Ent | 0.3 | $5.9M | 345k | 17.15 | |
| Fibrogen (FGEN) | 0.3 | $5.9M | 240k | 24.65 | |
| Sarepta Therapeutics (SRPT) | 0.3 | $5.7M | 194k | 29.60 | |
| Global Blood Therapeutics In | 0.3 | $5.5M | 150k | 36.85 | |
| Amicus Therapeutics (FOLD) | 0.3 | $5.4M | 758k | 7.13 | |
| Ligand Pharmaceuticals In (LGND) | 0.3 | $5.3M | 50k | 105.84 | |
| Kite Pharma | 0.3 | $5.3M | 67k | 78.49 | |
| Adaptimmune Therapeutics (ADAP) | 0.3 | $4.8M | 875k | 5.51 | |
| Medicines Company conv | 0.3 | $4.7M | 3.0M | 1.58 | |
| Aduro Biotech | 0.3 | $4.5M | 415k | 10.75 | |
| Steris | 0.3 | $4.5M | 65k | 69.46 | |
| Novadaq Technologies | 0.2 | $4.3M | 555k | 7.79 | |
| Juno Therapeutics | 0.2 | $4.4M | 197k | 22.19 | |
| Macrogenics (MGNX) | 0.2 | $4.2M | 225k | 18.60 | |
| Allergan Plc pfd conv ser a | 0.2 | $4.2M | 5.0k | 848.40 | |
| Aeglea Biotherapeutics | 0.2 | $3.9M | 524k | 7.45 | |
| Exelixis (EXEL) | 0.2 | $3.8M | 175k | 21.67 | |
| Alder Biopharmaceuticals | 0.2 | $3.8M | 182k | 20.80 | |
| Cardiome Pharma | 0.2 | $3.6M | 1.2M | 3.01 | |
| Compugen (CGEN) | 0.2 | $3.5M | 825k | 4.30 | |
| Puma Biotechnology (PBYI) | 0.2 | $3.5M | 95k | 37.20 | |
| Proteostasis Therapeutics In | 0.2 | $3.5M | 450k | 7.82 | |
| Madrigal Pharmaceuticals (MDGL) | 0.2 | $3.5M | 225k | 15.40 | |
| Rigel Pharmaceuticals | 0.2 | $3.3M | 1.0M | 3.31 | |
| Glaukos (GKOS) | 0.2 | $3.2M | 63k | 51.30 | |
| Innoviva (INVA) | 0.2 | $3.3M | 235k | 13.83 | |
| Hill-Rom Holdings | 0.2 | $3.2M | 45k | 70.60 | |
| Intra Cellular Therapies (ITCI) | 0.2 | $3.1M | 190k | 16.25 | |
| Genocea Biosciences | 0.2 | $2.9M | 480k | 6.09 | |
| Bluebird Bio (BLUE) | 0.2 | $2.8M | 31k | 90.89 | |
| Cara Therapeutics (CARA) | 0.2 | $2.8M | 150k | 18.39 | |
| Zimmer Holdings (ZBH) | 0.1 | $2.6M | 21k | 122.13 | |
| Otonomy | 0.1 | $2.6M | 210k | 12.25 | |
| Dbv Technologies S A | 0.1 | $2.6M | 73k | 35.22 | |
| Seres Therapeutics (MCRB) | 0.1 | $2.5M | 220k | 11.27 | |
| Cidara Therapeutics Inc Common Stock Usd 0.0001 | 0.1 | $2.3M | 300k | 7.80 | |
| Neuroderm Ltd F | 0.1 | $2.2M | 84k | 26.55 | |
| Scynexis | 0.1 | $2.1M | 760k | 2.76 | |
| Healthequity (HQY) | 0.1 | $2.1M | 50k | 42.46 | |
| Theravance Biopharma Inc note 3.250%11/0 | 0.1 | $1.9M | 1.5M | 1.27 | |
| Atyr Pharma Inc Common Stock Usd 0.001 | 0.1 | $1.7M | 475k | 3.50 | |
| Nivalis Therapeutics | 0.1 | $1.8M | 600k | 2.92 | |
| Novocure Ltd ord (NVCR) | 0.1 | $1.7M | 214k | 8.10 | |
| Myovant Sciences | 0.1 | $1.8M | 150k | 11.74 | |
| Newlink Genetics Corporation | 0.1 | $1.6M | 67k | 24.09 | |
| Egalet | 0.1 | $1.5M | 300k | 5.10 | |
| Wright Med Group Inc note 2.000% 2/1 | 0.1 | $1.2M | 1.0M | 1.20 | |
| Novavax | 0.1 | $1.0M | 820k | 1.28 | |
| Perrigo Company (PRGO) | 0.1 | $1.0M | 16k | 66.41 | |
| Dynavax Technologies (DVAX) | 0.1 | $982k | 165k | 5.95 | |
| Infinity Pharmaceuticals (INFIQ) | 0.1 | $872k | 270k | 3.23 | |
| Chiasma | 0.1 | $837k | 493k | 1.70 | |
| Valeant Pharmaceuticals Int | 0.0 | $732k | 66k | 11.02 | |
| Tandem Diabetes Care | 0.0 | $714k | 595k | 1.20 | |
| Anthera Pharmaceutcls | 0.0 | $558k | 1.3M | 0.43 | |
| Cerulean Pharma | 0.0 | $506k | 625k | 0.81 | |
| Dimension Therapeutics | 0.0 | $475k | 271k | 1.75 | |
| Orexigen Therapeutics | 0.0 | $569k | 165k | 3.44 |
