Rock Springs Capital Management

Rock Springs Capital Management as of Sept. 30, 2020

Portfolio Holdings for Rock Springs Capital Management

Rock Springs Capital Management holds 148 positions in its portfolio as reported in the September 2020 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Irhythm Technologies (IRTC) 3.8 $149M 625k 238.11
Neurocrine Biosciences (NBIX) 3.6 $141M 1.5M 96.16
Immunomedics 3.4 $135M 1.6M 85.03
UnitedHealth (UNH) 3.2 $126M 405k 311.77
Humana (HUM) 2.5 $100M 243k 413.89
Blueprint Medicines (BPMC) 2.2 $88M 953k 92.70
Intuitive Surgical Com New (ISRG) 2.2 $85M 120k 709.54
Centene Corporation (CNC) 2.0 $77M 1.3M 58.33
Argenx Se Sponsored Adr (ARGX) 1.9 $76M 288k 262.52
Insulet Corporation (PODD) 1.9 $75M 316k 236.59
Zai Lab Adr (ZLAB) 1.7 $69M 824k 83.17
Invitae (NVTAQ) 1.7 $66M 1.5M 43.35
ACADIA Pharmaceuticals (ACAD) 1.6 $65M 1.6M 41.25
Novavax Com New (NVAX) 1.6 $64M 586k 108.35
Hca Holdings (HCA) 1.6 $62M 500k 124.68
Beigene Sponsored Adr (BGNE) 1.6 $62M 215k 286.44
Pacira Pharmaceuticals (PCRX) 1.5 $60M 1.0M 60.12
Mirati Therapeutics 1.5 $58M 349k 166.05
Freshpet (FRPT) 1.4 $57M 507k 111.65
Agios Pharmaceuticals (AGIO) 1.4 $55M 1.6M 35.00
Nevro (NVRO) 1.4 $54M 386k 139.30
Baxter International (BAX) 1.3 $52M 645k 80.42
Horizon Therapeutics Pub L SHS 1.3 $51M 650k 77.68
Alnylam Pharmaceuticals (ALNY) 1.3 $50M 340k 145.60
IDEXX Laboratories (IDXX) 1.2 $49M 125k 393.11
Biogen Idec (BIIB) 1.2 $49M 173k 283.68
Seattle Genetics 1.2 $49M 250k 195.69
Sarepta Therapeutics (SRPT) 1.2 $49M 346k 140.43
Ultragenyx Pharmaceutical (RARE) 1.2 $47M 577k 82.19
Align Technology (ALGN) 1.2 $47M 143k 327.36
Edwards Lifesciences (EW) 1.2 $47M 582k 79.82
Encompass Health Corp (EHC) 1.2 $45M 698k 64.98
Teleflex Incorporated (TFX) 1.1 $44M 130k 340.42
EXACT Sciences Corporation (EXAS) 1.1 $43M 424k 101.95
Boston Scientific Corporation (BSX) 1.1 $42M 1.1M 38.21
Ascendis Pharma A/s Sponsored Adr (ASND) 0.9 $36M 234k 154.32
Mersana Therapeutics (MRSN) 0.9 $35M 1.9M 18.62
Penumbra (PEN) 0.8 $31M 159k 194.38
Adaptive Biotechnologies Cor (ADPT) 0.8 $31M 635k 48.63
Coherus Biosciences (CHRS) 0.8 $31M 1.7M 18.34
Inspire Med Sys (INSP) 0.8 $31M 236k 129.05
Epizyme 0.8 $30M 2.6M 11.93
Madrigal Pharmaceuticals (MDGL) 0.8 $30M 254k 118.73
Covetrus 0.8 $30M 1.2M 24.40
Incyte Corporation (INCY) 0.7 $27M 300k 89.74
Ardelyx (ARDX) 0.7 $27M 5.1M 5.25
BioMarin Pharmaceutical (BMRN) 0.7 $27M 350k 76.08
Immunovant (IMVT) 0.7 $26M 742k 35.19
Alexion Pharmaceuticals 0.7 $26M 225k 114.43
Health Catalyst (HCAT) 0.7 $26M 703k 36.60
Phreesia (PHR) 0.7 $26M 800k 32.13
Mirum Pharmaceuticals (MIRM) 0.6 $26M 1.3M 19.27
Bright Horizons Fam Sol In D (BFAM) 0.6 $25M 166k 152.04
Galapagos Nv Spon Adr (GLPG) 0.6 $25M 175k 141.91
Collegium Pharmaceutical Inc Common Stock Usd (COLL) 0.6 $25M 1.2M 20.82
Assembly Biosciences 0.6 $24M 1.5M 16.44
Inozyme Pharma (INZY) 0.6 $23M 880k 26.29
Kymera Therapeutics (KYMR) 0.6 $23M 710k 32.31
Acadia Healthcare (ACHC) 0.6 $22M 760k 29.48
Guardant Health (GH) 0.5 $21M 190k 111.78
Momenta Pharmaceuticals 0.5 $21M 400k 52.48
Applied Therapeutics (APLT) 0.5 $21M 992k 20.76
Royalty Pharma Shs Cl A (RPRX) 0.5 $20M 485k 42.07
Athira Pharma (ATHA) 0.5 $20M 1.1M 18.46
Allakos (ALLK) 0.5 $20M 242k 81.45
Novocure Ord Shs (NVCR) 0.5 $20M 175k 111.31
Ppd 0.5 $19M 525k 36.99
Retrophin 0.5 $19M 1.0M 18.46
Karuna Therapeutics Ord 0.5 $19M 244k 77.32
Healthequity (HQY) 0.5 $19M 360k 51.37
Compugen Ord (CGEN) 0.5 $18M 1.1M 16.25
Amarin Corp Spons Adr New (AMRN) 0.5 $18M 4.4M 4.21
Tg Therapeutics (TGTX) 0.5 $18M 683k 26.76
Cytokinetics Note 4.000%11/1 (Principal) 0.5 $18M 8.0M 2.22
Relay Therapeutics (RLAY) 0.4 $18M 414k 42.59
Shockwave Med 0.4 $17M 220k 75.80
Nkarta (NKTX) 0.4 $16M 541k 30.06
Gossamer Bio Note 5.000% 6/0 (Principal) 0.4 $16M 16M 1.03
Oak Street Health 0.4 $16M 300k 53.44
Adaptimmune Therapeutics Sponds Adr (ADAP) 0.4 $16M 2.0M 7.98
Uniqure Nv SHS (QURE) 0.4 $15M 413k 36.83
Amicus Therapeutics (FOLD) 0.4 $15M 1.0M 14.12
CONMED Corporation (CNMD) 0.4 $14M 180k 78.67
Spero Therapeutics (SPRO) 0.4 $14M 1.2M 11.16
Akero Therapeutics (AKRO) 0.3 $13M 423k 30.79
Fibrogen (FGEN) 0.3 $13M 309k 41.12
Accolade (ACCD) 0.3 $13M 325k 38.87
Aprea Therapeutics 0.3 $13M 518k 24.06
Theravance Biopharma (TBPH) 0.3 $12M 824k 14.78
Gw Pharmaceuticals Ads 0.3 $12M 119k 97.35
Fusion Pharmaceuticals 0.3 $11M 948k 12.02
Rigel Pharmaceuticals Com New 0.3 $11M 4.7M 2.40
Aurinia Pharmaceuticals (AUPH) 0.3 $11M 773k 14.73
Arvinas Ord (ARVN) 0.3 $11M 482k 23.61
Onespaworld Holdings Ltd onespaworld hold (OSW) 0.3 $11M 1.7M 6.50
Aeglea Biotherapeutics 0.3 $11M 1.6M 7.09
Trillium Therapeutics Com New 0.3 $11M 771k 14.21
Prelude Therapeutics (PRLD) 0.3 $11M 360k 30.13
Protara Therapeutics Com Stk (TARA) 0.3 $11M 644k 16.83
Constellation Pharmceticls I 0.3 $10M 516k 20.26
Prothena Corp SHS (PRTA) 0.3 $10M 1.0M 9.99
Rhythm Pharmaceuticals (RYTM) 0.3 $10M 464k 21.67
10x Genomics Cl A Com (TXG) 0.2 $9.5M 76k 124.68
Radius Health Com New 0.2 $9.2M 814k 11.34
Chiasma 0.2 $9.2M 2.1M 4.30
Paratek Pharmaceuticals 0.2 $9.1M 1.7M 5.41
Nurix Therapeutics (NRIX) 0.2 $9.0M 258k 34.91
Translate Bio 0.2 $8.7M 643k 13.61
Gamida Cell SHS 0.2 $8.4M 2.0M 4.15
Jazz Pharmaceuticals Shs Usd (JAZZ) 0.2 $8.2M 58k 142.59
Intersect Ent 0.2 $8.2M 500k 16.31
West Pharmaceutical Services (WST) 0.2 $7.8M 29k 274.91
Legend Biotech Corp Sponsored Ads (LEGN) 0.2 $7.8M 252k 30.87
Zogenix Com New 0.2 $7.5M 416k 17.93
Imara 0.2 $7.3M 359k 20.34
Myovant Sciences 0.2 $7.2M 513k 14.05
Annexon (ANNX) 0.2 $7.2M 237k 30.23
Dynavax Technologies Corp Com New (DVAX) 0.2 $7.1M 1.6M 4.32
Macrogenics (MGNX) 0.2 $6.6M 263k 25.19
Odonate Therapeutics Ord 0.2 $6.6M 489k 13.43
Insmed Note 1.750% 1/1 (Principal) 0.2 $6.5M 6.0M 1.09
Atreca Cl A Com (BCEL) 0.2 $6.3M 451k 13.97
Ngm Biopharmaceuticals 0.1 $5.7M 361k 15.91
Xenon Pharmaceuticals (XENE) 0.1 $5.7M 516k 11.07
Iteos Therapeutics (ITOS) 0.1 $5.6M 227k 24.67
Goodrx Hldgs Com Cl A (GDRX) 0.1 $5.6M 100k 55.60
Acelrx Pharmaceuticals 0.1 $5.4M 3.8M 1.42
Aclaris Therapeutics (ACRS) 0.1 $5.3M 2.1M 2.57
Galera Therapeutics (GRTX) 0.1 $5.1M 568k 9.04
Panacea Acquisition Corp Unit 99/99/9999 0.1 $4.8M 402k 12.00
Phasebio Pharmaceuticals 0.1 $4.6M 1.3M 3.51
Anaptysbio Inc Common (ANAB) 0.1 $4.6M 309k 14.75
Cytokinetics Com New (CYTK) 0.1 $4.5M 207k 21.65
Obseva Sa 0.1 $3.6M 1.4M 2.48
Poseida Therapeutics I (PSTX) 0.1 $3.3M 368k 8.87
Global Cord Blood Corporatio SHS (CORBF) 0.1 $3.2M 905k 3.54
Retrophin Note 2.500% 9/1 (Principal) 0.1 $2.8M 3.3M 0.86
Passage Bio (PASG) 0.1 $2.7M 206k 13.11
Vertex Pharmaceuticals Incorporated (VRTX) 0.1 $2.4M 9.0k 272.11
Igm Biosciences (IGMS) 0.0 $1.5M 20k 73.83
Neurocrine Biosciences Note 2.250% 5/1 (Principal) 0.0 $1.4M 1.0M 1.39
Theravance Biopharma Note 3.250%11/0 (Principal) 0.0 $1.3M 1.5M 0.88
Five Prime Therapeutics 0.0 $1.3M 272k 4.70
Radius Health Note 3.000% 9/0 (Principal) 0.0 $1.2M 1.5M 0.83
Pacira Biosciences Note 2.375% 4/0 (Principal) 0.0 $1.2M 1.0M 1.15
Nevro Corp Note 2.750% 4/0 (Principal) 0.0 $775k 500k 1.55
Nabriva Therapeutics SHS 0.0 $569k 1.1M 0.53
Bristol-myers Squibb Right 99/99/9999 0.0 $417k 185k 2.25