Rock Springs Capital Management

Rock Springs Capital Management as of Sept. 30, 2019

Portfolio Holdings for Rock Springs Capital Management

Rock Springs Capital Management holds 138 positions in its portfolio as reported in the September 2019 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
UnitedHealth (UNH) 5.1 $128M 591k 217.32
Neurocrine Biosciences (NBIX) 4.4 $111M 1.2M 90.11
WellCare Health Plans 3.3 $83M 321k 259.17
Intuitive Surgical (ISRG) 3.3 $82M 153k 539.93
Amarin Corporation (AMRN) 2.8 $71M 4.7M 15.16
Hca Holdings (HCA) 2.2 $56M 468k 120.42
Encompass Health Corp (EHC) 2.0 $52M 815k 63.28
Spark Therapeutics 1.9 $49M 505k 96.98
Teleflex Incorporated (TFX) 1.8 $44M 130k 339.75
Pacira Pharmaceuticals (PCRX) 1.7 $44M 1.2M 38.07
Insulet Corporation (PODD) 1.7 $43M 261k 164.93
Irhythm Technologies (IRTC) 1.6 $41M 555k 74.11
Edwards Lifesciences (EW) 1.6 $40M 184k 219.91
Acadia Healthcare (ACHC) 1.6 $40M 1.3M 31.08
Medicines Company 1.6 $40M 800k 50.00
Abbvie (ABBV) 1.6 $40M 525k 75.72
Boston Scientific Corporation (BSX) 1.6 $40M 970k 40.69
EXACT Sciences Corporation (EXAS) 1.6 $39M 432k 90.37
Stryker Corporation (SYK) 1.5 $39M 179k 216.30
Coherus Biosciences (CHRS) 1.5 $38M 1.9M 20.26
Vertex Pharmaceuticals Incorporated (VRTX) 1.4 $34M 203k 169.42
Baxter International (BAX) 1.3 $34M 385k 87.47
Radius Health 1.3 $34M 1.3M 25.75
Cigna Corp (CI) 1.3 $33M 217k 151.79
IDEXX Laboratories (IDXX) 1.3 $33M 120k 271.93
Penumbra (PEN) 1.3 $33M 243k 134.49
Portola Pharmaceuticals 1.1 $28M 1.1M 26.82
Alnylam Pharmaceuticals (ALNY) 1.1 $27M 331k 80.42
Galapagos Nv- (GLPG) 1.1 $27M 175k 152.66
Beigene (BGNE) 1.1 $26M 215k 122.46
Ultragenyx Pharmaceutical (RARE) 1.0 $26M 608k 42.78
Sarepta Therapeutics (SRPT) 1.0 $25M 338k 75.32
Alder Biopharmaceuticals 1.0 $25M 1.3M 18.86
Blueprint Medicines (BPMC) 1.0 $25M 334k 73.47
Amgen (AMGN) 1.0 $24M 126k 193.51
Thermo Fisher Scientific (TMO) 0.9 $24M 81k 291.27
Molina Healthcare (MOH) 0.9 $24M 215k 109.72
Madrigal Pharmaceuticals (MDGL) 0.9 $24M 272k 86.22
Incyte Corporation (INCY) 0.9 $23M 312k 74.23
Allakos (ALLK) 0.9 $23M 290k 78.63
West Pharmaceutical Services (WST) 0.9 $22M 153k 141.82
Invitae (NVTAQ) 0.9 $22M 1.1M 19.27
Nevro (NVRO) 0.8 $21M 243k 85.97
Argenx Se (ARGX) 0.8 $21M 182k 113.96
Seattle Genetics 0.8 $21M 242k 85.40
Ascendis Pharma A S (ASND) 0.8 $21M 214k 96.32
Align Technology (ALGN) 0.8 $20M 111k 180.92
Mirati Therapeutics 0.8 $20M 258k 77.91
Ra Pharmaceuticals 0.8 $20M 835k 23.65
Epizyme 0.8 $19M 1.9M 10.32
Zai Lab (ZLAB) 0.7 $19M 575k 32.35
Celgene Corporation 0.7 $18M 185k 99.30
Collegium Pharmaceutical Inc Common Stock Usd (COLL) 0.7 $18M 1.6M 11.48
Freshpet (FRPT) 0.7 $18M 355k 49.77
Adaptive Biotechnologies Cor (ADPT) 0.7 $17M 545k 30.90
Insmed (INSM) 0.6 $16M 890k 17.64
Intersect Ent 0.6 $15M 873k 17.01
Ardelyx (ARDX) 0.6 $14M 3.1M 4.70
Biohaven Pharmaceutical Holding 0.6 $14M 344k 41.72
Achillion Pharmaceuticals 0.6 $14M 3.8M 3.60
Sage Therapeutics (SAGE) 0.5 $13M 93k 140.29
Assembly Biosciences 0.5 $13M 1.3M 9.83
Global Blood Therapeutics In 0.5 $13M 265k 48.52
Novocure Ltd ord (NVCR) 0.5 $13M 173k 74.78
Guardant Health (GH) 0.5 $12M 190k 63.83
Immunomedics 0.5 $12M 895k 13.26
Agios Pharmaceuticals (AGIO) 0.5 $11M 353k 32.40
Audentes Therapeutics 0.5 $12M 410k 28.09
Fibrogen (FGEN) 0.5 $11M 306k 36.98
Obseva Sa 0.5 $11M 1.4M 8.33
Odonate Therapeutics Ord 0.5 $11M 430k 26.03
Gw Pharmaceuticals Plc ads 0.4 $11M 95k 115.03
Retrophin 0.4 $11M 950k 11.59
Theravance Biopharma (TBPH) 0.4 $11M 550k 19.48
Abbott Laboratories (ABT) 0.4 $10M 123k 83.67
Centene Corporation (CNC) 0.4 $9.9M 230k 43.26
Zogenix 0.4 $10M 250k 40.04
Translate Bio 0.4 $10M 1.0M 9.91
BioMarin Pharmaceutical (BMRN) 0.4 $9.6M 143k 67.40
Phreesia (PHR) 0.3 $8.8M 361k 24.24
Deciphera Pharmaceuticals 0.3 $8.5M 250k 33.94
Anaptysbio Inc Common (ANAB) 0.3 $8.4M 240k 34.99
Amicus Therapeutics (FOLD) 0.3 $8.0M 1.0M 8.02
Mirum Pharmaceuticals (MIRM) 0.3 $7.9M 790k 10.06
Rigel Pharmaceuticals 0.3 $7.9M 4.2M 1.87
Uniqure Nv (QURE) 0.3 $7.7M 195k 39.36
Homology Medicines 0.3 $7.7M 425k 18.10
Johnson & Johnson (JNJ) 0.3 $7.2M 56k 129.38
ACADIA Pharmaceuticals (ACAD) 0.3 $6.7M 187k 35.99
Dynavax Technologies (DVAX) 0.3 $6.6M 1.9M 3.58
Anthem (ELV) 0.3 $6.5M 27k 240.11
Rhythm Pharmaceuticals (RYTM) 0.3 $6.6M 305k 21.59
Puma Biotechnology (PBYI) 0.2 $6.3M 587k 10.76
Aeglea Biotherapeutics 0.2 $6.2M 800k 7.69
Medicines Company 2.750000 07/15/2023 bond 0.2 $6.1M 5.0M 1.21
Phasebio Pharmaceuticals 0.2 $5.9M 1.4M 4.17
Karuna Therapeutics Ord 0.2 $5.9M 360k 16.32
RTI Biologics 0.2 $5.6M 2.0M 2.85
Spero Therapeutics (SPRO) 0.2 $5.6M 525k 10.60
Axonics Modulation Technolog (AXNX) 0.2 $5.5M 203k 26.92
Momenta Pharmaceuticals 0.2 $5.2M 400k 12.96
Dermira 0.2 $5.0M 775k 6.39
Insmed Inc convertible security 0.2 $5.0M 6.0M 0.84
Akero Therapeutics (AKRO) 0.2 $5.1M 225k 22.75
Compugen (CGEN) 0.2 $4.7M 1.1M 4.23
Ngm Biopharmaceuticals 0.2 $4.9M 351k 13.85
Cymabay Therapeutics 0.2 $4.6M 900k 5.12
Chiasma 0.2 $4.5M 900k 4.95
Medicines Company conv 0.2 $4.5M 3.0M 1.51
Nabriva Therapeutics 0.2 $4.6M 2.3M 2.00
Global China Cord Blood Corp (CORBF) 0.2 $4.5M 925k 4.84
Bluebird Bio (BLUE) 0.2 $4.3M 47k 91.83
Gamida Cell 0.2 $4.3M 1.0M 4.33
Health Catalyst (HCAT) 0.2 $4.0M 125k 31.64
Macrogenics (MGNX) 0.1 $3.8M 300k 12.76
La Jolla Pharmaceuticl Com Par 0.1 $3.7M 425k 8.80
Intercept Pharmaceuticals In 0.1 $3.6M 54k 66.36
Restorbio 0.1 $3.5M 400k 8.84
Aclaris Therapeutics (ACRS) 0.1 $3.2M 3.0M 1.08
Arvinas Ord (ARVN) 0.1 $3.2M 150k 21.55
10x Genomics Inc Cl A (TXG) 0.1 $3.2M 64k 50.39
Five Prime Therapeutics 0.1 $3.0M 775k 3.87
Correvio Pharma Corp 0.1 $2.4M 1.2M 2.00
Myovant Sciences 0.1 $2.3M 450k 5.20
Mersana Therapeutics (MRSN) 0.1 $2.2M 1.4M 1.58
Paratek Pharmaceuticals 0.1 $1.9M 450k 4.32
Adaptimmune Therapeutics (ADAP) 0.1 $1.3M 875k 1.51
Corvus Pharmaceuticals (CRVS) 0.1 $1.2M 400k 3.01
Theravance Biopharma Inc note 3.250%11/0 0.1 $1.4M 1.5M 0.92
Radius Health Inc note 3.000% 9/0 0.1 $1.4M 1.5M 0.91
Neurocrine Biosciences Inc Note 2.250 5/1 0.1 $1.4M 1.0M 1.37
Clovis Oncology 0.0 $1.0M 256k 3.93
Pacira Pharmaceuticals Inc convertible security 0.0 $990k 1.0M 0.99
Dermira Inc note 3.000% 5/1 0.0 $840k 1.0M 0.84
Kaleido Biosciences Ord (KLDO) 0.0 $753k 100k 7.53
Novavax (NVAX) 0.0 $816k 163k 5.02
Proteostasis Therapeutics In 0.0 $336k 400k 0.84
Covetrus 0.0 $246k 21k 11.89