Rock Springs Capital Management

Rock Springs Capital Management as of March 31, 2020

Portfolio Holdings for Rock Springs Capital Management

Rock Springs Capital Management holds 131 positions in its portfolio as reported in the March 2020 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Neurocrine Biosciences (NBIX) 4.8 $117M 1.3M 86.55
Intuitive Surgical (ISRG) 3.1 $76M 153k 495.21
UnitedHealth (UNH) 3.1 $75M 300k 249.38
Biogen Idec (BIIB) 2.4 $57M 180k 316.38
Irhythm Technologies (IRTC) 2.2 $53M 645k 81.35
Baxter International (BAX) 2.2 $52M 645k 81.19
Encompass Health Corp (EHC) 2.2 $52M 815k 64.03
Humana (HUM) 2.0 $50M 158k 314.02
Insulet Corporation (PODD) 2.0 $48M 292k 165.68
Hca Holdings (HCA) 1.9 $47M 520k 89.85
Centene Corporation (CNC) 1.8 $45M 750k 59.41
ACADIA Pharmaceuticals (ACAD) 1.8 $43M 1.0M 42.25
Blueprint Medicines (BPMC) 1.8 $43M 737k 58.48
Forty Seven 1.8 $43M 447k 95.42
Alnylam Pharmaceuticals (ALNY) 1.7 $42M 382k 108.85
Zai Lab (ZLAB) 1.6 $39M 750k 51.48
Teleflex Incorporated (TFX) 1.6 $38M 130k 292.86
Agios Pharmaceuticals (AGIO) 1.5 $37M 1.1M 35.48
Edwards Lifesciences (EW) 1.5 $37M 194k 188.62
Penumbra (PEN) 1.5 $36M 225k 161.33
Boston Scientific Corporation (BSX) 1.5 $36M 1.1M 32.63
Nevro (NVRO) 1.4 $35M 346k 99.98
Galapagos Nv- (GLPG) 1.4 $34M 175k 195.92
Sarepta Therapeutics (SRPT) 1.4 $34M 346k 97.82
Ultragenyx Pharmaceutical (RARE) 1.4 $33M 748k 44.43
Argenx Se (ARGX) 1.3 $33M 248k 131.73
BioMarin Pharmaceutical (BMRN) 1.3 $32M 380k 84.50
Coherus Biosciences (CHRS) 1.3 $32M 2.0M 16.22
Epizyme 1.3 $30M 2.0M 15.51
IDEXX Laboratories (IDXX) 1.3 $30M 125k 242.24
Pacira Pharmaceuticals (PCRX) 1.2 $30M 900k 33.53
Vertex Pharmaceuticals Incorporated (VRTX) 1.2 $30M 125k 237.95
Seattle Genetics 1.2 $28M 242k 115.38
Applied Therapeutics (APLT) 1.1 $28M 846k 32.69
Ardelyx (ARDX) 1.1 $28M 4.9M 5.68
Beigene (BGNE) 1.1 $26M 215k 123.11
Mirati Therapeutics 1.1 $26M 342k 76.87
Amgen (AMGN) 1.1 $26M 126k 202.73
Freshpet (FRPT) 1.0 $25M 398k 63.87
Cigna Corp (CI) 1.0 $25M 141k 177.18
EXACT Sciences Corporation (EXAS) 1.0 $25M 424k 58.00
Ascendis Pharma A S (ASND) 1.0 $24M 214k 112.61
Assembly Biosciences 0.9 $22M 1.5M 14.83
Align Technology (ALGN) 0.9 $22M 128k 173.95
Collegium Pharmaceutical Inc Common Stock Usd (COLL) 0.8 $19M 1.2M 16.33
Uniqure Nv (QURE) 0.8 $19M 400k 47.45
Amarin Corporation (AMRN) 0.8 $19M 4.7M 4.00
Incyte Corporation (INCY) 0.8 $18M 250k 73.23
Mirum Pharmaceuticals (MIRM) 0.7 $17M 1.2M 14.00
Aprea Therapeutics 0.7 $17M 500k 34.76
Theravance Biopharma (TBPH) 0.7 $17M 750k 23.11
Madrigal Pharmaceuticals (MDGL) 0.7 $17M 250k 66.76
Acadia Healthcare (ACHC) 0.7 $17M 900k 18.35
Invitae (NVTAQ) 0.7 $16M 1.2M 13.67
Healthequity (HQY) 0.6 $15M 305k 50.59
Adaptive Biotechnologies Cor (ADPT) 0.6 $15M 545k 27.78
Global Blood Therapeutics In 0.6 $14M 280k 51.09
Immunomedics 0.6 $14M 1.1M 13.48
Deciphera Pharmaceuticals 0.6 $14M 335k 41.17
Johnson & Johnson (JNJ) 0.6 $14M 105k 131.13
Guardant Health (GH) 0.5 $13M 190k 69.60
Karuna Therapeutics Ord 0.5 $13M 180k 72.00
Radius Health 0.5 $13M 975k 13.00
Portola Pharmaceuticals 0.5 $13M 1.8M 7.13
Inspire Med Sys (INSP) 0.5 $12M 200k 60.28
Phreesia (PHR) 0.5 $12M 565k 21.03
Odonate Therapeutics Ord 0.5 $12M 430k 27.61
Novocure Ltd ord (NVCR) 0.5 $12M 175k 67.34
Arvinas Ord (ARVN) 0.5 $12M 285k 40.30
Health Catalyst (HCAT) 0.5 $11M 425k 26.15
Momenta Pharmaceuticals 0.4 $11M 400k 27.20
West Pharmaceutical Services (WST) 0.4 $11M 71k 152.25
Fibrogen (FGEN) 0.4 $11M 306k 34.75
Cytokinetics Inc note 4.000%11/1 0.4 $11M 8.0M 1.32
Allakos (ALLK) 0.4 $11M 235k 44.49
CONMED Corporation (CNMD) 0.4 $10M 180k 57.27
Zogenix 0.4 $9.9M 400k 24.73
Amicus Therapeutics (FOLD) 0.4 $9.2M 1.0M 9.24
Rigel Pharmaceuticals 0.4 $8.6M 5.5M 1.56
Retrophin 0.3 $8.4M 575k 14.59
Translate Bio 0.3 $8.2M 825k 9.97
Ppd 0.3 $8.0M 450k 17.81
Compugen (CGEN) 0.3 $8.0M 1.1M 7.26
Myokardia 0.3 $7.7M 165k 46.88
Rhythm Pharmaceuticals (RYTM) 0.3 $7.6M 500k 15.22
Constellation Pharmceticls I 0.3 $7.3M 234k 31.43
Mersana Therapeutics (MRSN) 0.3 $7.2M 1.2M 5.83
Imara 0.3 $7.1M 446k 16.03
Biohaven Pharmaceutical Holding 0.3 $6.8M 200k 34.03
Homology Medicines 0.3 $6.6M 425k 15.54
Intersect Ent 0.2 $5.9M 500k 11.85
Xenon Pharmaceuticals (XENE) 0.2 $5.7M 500k 11.34
Dynavax Technologies (DVAX) 0.2 $5.6M 1.6M 3.53
Prothena (PRTA) 0.2 $5.4M 500k 10.70
Insmed Inc convertible security 0.2 $5.0M 6.0M 0.84
STAAR Surgical Company (STAA) 0.2 $5.0M 155k 32.26
Thermo Fisher Scientific (TMO) 0.2 $5.0M 18k 283.60
Chiasma 0.2 $4.9M 1.4M 3.65
Spero Therapeutics (SPRO) 0.2 $4.9M 605k 8.08
Allogene Therapeutics (ALLO) 0.2 $4.9M 250k 19.44
Paratek Pharmaceuticals 0.2 $4.8M 1.5M 3.15
Akero Therapeutics (AKRO) 0.2 $4.8M 225k 21.20
Galera Therapeutics (GRTX) 0.2 $4.8M 500k 9.50
10x Genomics Inc Cl A (TXG) 0.2 $4.7M 76k 62.32
Ngm Biopharmaceuticals 0.2 $4.3M 351k 12.33
Onespaworld Holdings Ltd onespaworld hold (OSW) 0.2 $4.3M 1.1M 4.06
Anaptysbio Inc Common (ANAB) 0.2 $4.2M 300k 14.13
Immunovant (IMVT) 0.2 $3.9M 250k 15.56
Myovant Sciences 0.2 $3.8M 500k 7.55
Aeglea Biotherapeutics 0.2 $3.7M 800k 4.66
Phasebio Pharmaceuticals 0.2 $3.7M 1.1M 3.31
Passage Bio (PASG) 0.1 $3.5M 225k 15.75
Obseva Sa 0.1 $3.4M 1.4M 2.41
Adaptimmune Therapeutics (ADAP) 0.1 $3.3M 1.2M 2.72
Axonics Modulation Technolog (AXNX) 0.1 $3.2M 125k 25.41
Trillium Therapeutics, Inc. Cmn 0.1 $3.0M 750k 4.04
Gamida Cell 0.1 $3.0M 1.0M 3.02
Global China Cord Blood Corp (CORBF) 0.1 $2.9M 925k 3.18
Gw Pharmaceuticals Plc ads 0.1 $2.6M 30k 87.57
Retrophin Inc note 2.500% 9/1 0.1 $2.6M 3.3M 0.79
Aclaris Therapeutics (ACRS) 0.1 $1.7M 1.6M 1.04
Acceleron Pharma 0.1 $1.6M 18k 89.89
Theravance Biopharma Inc note 3.250%11/0 0.1 $1.4M 1.5M 0.97
Macrogenics (MGNX) 0.1 $1.3M 230k 5.82
Neurocrine Biosciences Inc Note 2.250 5/1 0.1 $1.3M 1.0M 1.29
Radius Health Inc note 3.000% 9/0 0.0 $1.1M 1.5M 0.71
Pacira Pharmaceuticals Inc convertible security 0.0 $966k 1.0M 0.97
Five Prime Therapeutics 0.0 $908k 400k 2.27
Rts/bristol-myers Squibb Compa 0.0 $704k 185k 3.80
Nabriva Therapeutics 0.0 $604k 1.1M 0.58
Covetrus 0.0 $168k 21k 8.12