Rock Springs Capital Management

Rock Springs Capital Management as of Dec. 31, 2024

Portfolio Holdings for Rock Springs Capital Management

Rock Springs Capital Management holds 107 positions in its portfolio as reported in the December 2024 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Argenx Se Sponsored Adr (ARGX) 5.4 $141M 230k 615.00
Intuitive Surgical Com New (ISRG) 4.3 $113M 216k 521.96
Eli Lilly & Co. (LLY) 4.2 $112M 145k 772.00
Neurocrine Biosciences (NBIX) 3.7 $98M 721k 136.50
Blueprint Medicines (BPMC) 3.6 $96M 1.1M 87.22
UnitedHealth (UNH) 3.4 $89M 176k 505.86
Travere Therapeutics (TVTX) 3.3 $87M 5.0M 17.42
Madrigal Pharmaceuticals (MDGL) 3.1 $82M 265k 308.57
Ultragenyx Pharmaceutical (RARE) 2.8 $73M 1.7M 42.07
Rhythm Pharmaceuticals (RYTM) 2.5 $65M 1.2M 55.98
Mirum Pharmaceuticals (MIRM) 2.3 $61M 1.5M 41.35
Alnylam Pharmaceuticals (ALNY) 2.3 $60M 256k 235.31
Penumbra (PEN) 2.2 $57M 240k 237.48
West Pharmaceutical Services (WST) 2.1 $55M 169k 327.56
Revolution Medicines (RVMD) 2.0 $53M 1.2M 43.74
Phreesia (PHR) 2.0 $51M 2.0M 25.16
Xenon Pharmaceuticals (XENE) 1.9 $49M 1.3M 39.20
Freshpet (FRPT) 1.8 $49M 328k 148.11
Ascendis Pharma A/s Sponsored Adr (ASND) 1.6 $42M 305k 137.67
Kymera Therapeutics (KYMR) 1.6 $42M 1.0M 40.23
Boston Scientific Corporation (BSX) 1.6 $41M 460k 89.32
Edwards Lifesciences (EW) 1.5 $40M 545k 74.03
Insmed Com Par $.01 (INSM) 1.4 $38M 550k 69.04
Merus N V (MRUS) 1.4 $38M 893k 42.05
Sarepta Therapeutics (SRPT) 1.4 $37M 308k 121.59
Irhythm Technologies (IRTC) 1.4 $36M 398k 90.17
Zai Lab Adr (ZLAB) 1.3 $34M 1.3M 26.19
Nuvalent Inc-a (NUVL) 1.3 $34M 430k 78.28
Mereo Biopharma Group Spon Ads (MREO) 1.3 $34M 9.6M 3.50
Scholar Rock Hldg Corp (SRRK) 1.2 $31M 717k 43.22
Celldex Therapeutics Com New (CLDX) 1.2 $31M 1.2M 25.27
Insulet Corporation (PODD) 1.1 $30M 114k 261.07
Structure Therapeutics Sponsored Ads (GPCR) 1.1 $29M 1.1M 27.12
Dex (DXCM) 1.0 $28M 353k 77.77
Akero Therapeutics (AKRO) 1.0 $26M 947k 27.82
EXACT Sciences Corporation (EXAS) 1.0 $25M 450k 56.19
Amicus Therapeutics (FOLD) 0.9 $25M 2.6M 9.42
Inspire Med Sys (INSP) 0.9 $24M 130k 185.38
Brooks Automation (AZTA) 0.9 $24M 475k 50.00
Evolent Health Cl A (EVH) 0.9 $23M 2.1M 11.25
Acadia Healthcare (ACHC) 0.9 $23M 584k 39.65
Immunovant (IMVT) 0.9 $23M 909k 24.77
Warby Parker Cl A Com (WRBY) 0.8 $22M 920k 24.21
Vera Therapeutics Cl A (VERA) 0.8 $21M 488k 42.29
BioCryst Pharmaceuticals (BCRX) 0.8 $20M 2.7M 7.52
Newamsterdam Pharma Company Ordinary Shares (NAMS) 0.8 $20M 768k 25.70
Summit Therapeutics (SMMT) 0.7 $19M 1.1M 17.84
Lifestance Health Group (LFST) 0.7 $19M 2.6M 7.37
Legend Biotech Corp Sponsored Ads (LEGN) 0.6 $17M 512k 32.54
Tenet Healthcare Corp Com New (THC) 0.6 $16M 129k 126.23
Agios Pharmaceuticals (AGIO) 0.6 $16M 471k 32.86
Aclaris Therapeutics (ACRS) 0.6 $15M 6.2M 2.48
Crinetics Pharmaceuticals In (CRNX) 0.6 $15M 294k 51.13
Pharvaris N V (PHVS) 0.6 $15M 775k 19.17
Agilon Health (AGL) 0.5 $14M 7.5M 1.90
Oscar Health Cl A (OSCR) 0.5 $14M 1.1M 13.44
Springworks Therapeutics (SWTX) 0.5 $12M 329k 36.13
Dyne Therapeutics (DYN) 0.4 $11M 475k 23.56
Janux Therapeutics (JANX) 0.4 $11M 205k 53.54
Inozyme Pharma (INZY) 0.4 $11M 3.9M 2.77
Neumora Therapeutics (NMRA) 0.4 $10M 955k 10.60
Jasper Therapeutics Com New (JSPR) 0.4 $9.9M 463k 21.38
Enliven Therapeutics (ELVN) 0.4 $9.6M 429k 22.50
Xencor (XNCR) 0.4 $9.2M 401k 22.98
Cullinan Oncology (CGEM) 0.3 $9.0M 742k 12.18
Prothena Corp SHS (PRTA) 0.3 $8.9M 645k 13.85
Compass Therapeutics (CMPX) 0.3 $8.4M 5.8M 1.45
Bicara Therapeutics (BCAX) 0.3 $7.8M 446k 17.42
Ardelyx (ARDX) 0.3 $7.4M 1.5M 5.07
Zenas Biopharma (ZBIO) 0.3 $7.2M 879k 8.19
Beam Therapeutics (BEAM) 0.2 $6.3M 252k 24.80
Tarsus Pharmaceuticals (TARS) 0.2 $6.1M 111k 55.37
Nevro (NVRO) 0.2 $6.1M 1.6M 3.72
Soleno Therapeutics (SLNO) 0.2 $5.6M 124k 44.95
Pliant Therapeutics (PLRX) 0.2 $5.3M 405k 13.17
Pulmonx Corp (LUNG) 0.2 $5.2M 772k 6.79
Novavax Com New (NVAX) 0.2 $5.2M 650k 8.04
Gossamer Bio Note 5.000% 6/0 (Principal) 0.2 $5.1M 9.6M 0.53
Mersana Therapeutics 0.2 $4.9M 3.4M 1.43
Biohaven (BHVN) 0.2 $4.9M 130k 37.35
89bio (ETNB) 0.2 $4.3M 553k 7.82
Leap Therapeutics Com New (LPTX) 0.1 $3.6M 1.3M 2.88
Sagimet Biosciences Com Ser A (SGMT) 0.1 $3.5M 788k 4.50
Edap Tms S A Sponsored Adr (EDAP) 0.1 $3.5M 1.6M 2.21
Macrogenics (MGNX) 0.1 $3.4M 1.1M 3.25
Acumen Pharmaceuticals (ABOS) 0.1 $3.2M 1.8M 1.72
Gossamer Bio (GOSS) 0.1 $3.0M 3.3M 0.90
Xilio Therapeutics (XLO) 0.1 $2.9M 3.0M 0.95
Apellis Pharmaceuticals (APLS) 0.1 $2.6M 80k 31.91
Autolus Therapeutics Spon Ads (AUTL) 0.1 $2.4M 1.0M 2.35
Neurogene (NGNE) 0.1 $2.2M 95k 22.86
Alphatec Hldgs Com New (ATEC) 0.1 $1.8M 200k 9.18
Applied Therapeutics (APLT) 0.1 $1.6M 1.9M 0.86
Compugen Ord (CGEN) 0.1 $1.5M 990k 1.53
Perspective Therapeutics Com New (CATX) 0.1 $1.4M 444k 3.19
Korro Bio (KRRO) 0.1 $1.4M 36k 38.07
Adaptimmune Therapeutics Sponds Adr (ADAP) 0.1 $1.3M 2.5M 0.54
Allakos 0.1 $1.3M 1.1M 1.21
Spruce Biosciences (SPRB) 0.0 $1.1M 2.6M 0.42
Lenz Therapeutics (LENZ) 0.0 $846k 29k 28.87
Vigil Neuroscience (VIGL) 0.0 $802k 472k 1.70
Biomea Fusion (BMEA) 0.0 $703k 181k 3.88
Kyverna Therapeutics (KYTX) 0.0 $669k 179k 3.74
Nevro Corp Note 2.750% 4/0 (Principal) 0.0 $489k 500k 0.98
Vincerx Pharma Com New 0.0 $234k 892k 0.26
Talphera Com New (TLPH) 0.0 $166k 317k 0.52
Nuvation Bio *w Exp 02/10/202 (NUVB.WS) 0.0 $31k 134k 0.23