Rock Springs Capital Management

Rock Springs Capital Management as of June 30, 2023

Portfolio Holdings for Rock Springs Capital Management

Rock Springs Capital Management holds 123 positions in its portfolio as reported in the June 2023 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Humana (HUM) 5.0 $210M 470k 447.13
Immunocore Hldgs Ads (IMCR) 4.3 $182M 3.0M 59.96
Insulet Corporation (PODD) 3.8 $161M 559k 288.34
Agilon Health (AGL) 3.4 $144M 8.3M 17.34
Blueprint Medicines (BPMC) 3.3 $138M 2.2M 63.20
Argenx Se Sponsored Adr (ARGX) 3.2 $136M 350k 389.73
Penumbra (PEN) 3.0 $126M 366k 344.06
Neurocrine Biosciences (NBIX) 2.9 $121M 1.3M 94.30
Evolent Health Cl A (EVH) 2.7 $115M 3.8M 30.30
UnitedHealth (UNH) 2.6 $111M 230k 480.64
Karuna Therapeutics Ord 2.5 $107M 494k 216.85
Intuitive Surgical Com New (ISRG) 2.4 $102M 299k 341.94
IDEXX Laboratories (IDXX) 2.3 $98M 195k 502.23
EXACT Sciences Corporation (EXAS) 2.1 $89M 944k 93.90
Cerevel Therapeutics Hldng I (CERE) 1.9 $80M 2.5M 31.79
West Pharmaceutical Services (WST) 1.8 $77M 202k 382.47
Seagen 1.8 $77M 400k 192.46
Align Technology (ALGN) 1.8 $77M 217k 353.64
Agios Pharmaceuticals (AGIO) 1.8 $76M 2.7M 28.32
Akero Therapeutics (AKRO) 1.7 $72M 1.6M 46.69
Acadia Healthcare (ACHC) 1.7 $72M 908k 79.64
Alnylam Pharmaceuticals (ALNY) 1.6 $66M 345k 189.94
Ultragenyx Pharmaceutical (RARE) 1.5 $64M 1.4M 46.13
Dex (DXCM) 1.5 $63M 491k 128.51
Edwards Lifesciences (EW) 1.4 $61M 646k 94.33
Abcam Ads 1.4 $59M 2.4M 24.47
Prothena Corp SHS (PRTA) 1.2 $51M 754k 68.28
Horizon Therapeutics Pub L SHS 1.2 $51M 495k 102.85
Sarepta Therapeutics (SRPT) 1.2 $49M 425k 114.52
Mirum Pharmaceuticals (MIRM) 1.1 $47M 1.8M 25.87
Madrigal Pharmaceuticals (MDGL) 1.1 $46M 199k 231.00
Xenon Pharmaceuticals (XENE) 1.1 $45M 1.2M 38.50
Freshpet (FRPT) 1.0 $44M 663k 65.81
Pacira Pharmaceuticals (PCRX) 1.0 $42M 1.0M 40.07
Aclaris Therapeutics (ACRS) 1.0 $41M 4.0M 10.37
Mirati Therapeutics 1.0 $41M 1.1M 36.13
Phreesia (PHR) 1.0 $41M 1.3M 31.01
Accolade (ACCD) 0.9 $38M 2.8M 13.47
Ascendis Pharma A/s Sponsored Adr (ASND) 0.9 $38M 426k 89.25
Kymera Therapeutics (KYMR) 0.8 $34M 1.5M 22.99
Zai Lab Adr (ZLAB) 0.8 $34M 1.2M 27.73
Amylyx Pharmaceuticals (AMLX) 0.8 $33M 1.5M 21.57
Shockwave Med (SWAV) 0.8 $33M 115k 285.41
Irhythm Technologies (IRTC) 0.8 $32M 310k 104.32
Legend Biotech Corp Sponsored Ads (LEGN) 0.8 $32M 458k 69.03
Olink Hldg Ab Sponsored Ads (OLK) 0.7 $31M 1.7M 18.75
Nevro (NVRO) 0.7 $31M 1.2M 25.42
Immatics SHS (IMTX) 0.7 $29M 2.5M 11.54
CONMED Corporation (CNMD) 0.7 $28M 205k 135.89
Select Sector Spdr Tr Sbi Healthcare (XLV) 0.6 $27M 200k 132.73
Lifestance Health Group (LFST) 0.6 $27M 2.9M 9.13
Rhythm Pharmaceuticals (RYTM) 0.6 $26M 1.6M 16.49
Travere Therapeutics (TVTX) 0.6 $24M 1.5M 15.36
Dynavax Technologies Corp Com New (DVAX) 0.6 $23M 1.8M 12.92
BioMarin Pharmaceutical (BMRN) 0.5 $23M 265k 86.68
Brooks Automation (AZTA) 0.5 $22M 470k 46.68
Mineralys Therapeutics (MLYS) 0.5 $20M 1.2M 17.05
Inozyme Pharma (INZY) 0.5 $19M 3.4M 5.57
Revolution Medicines (RVMD) 0.4 $19M 703k 26.75
Biomea Fusion (BMEA) 0.4 $18M 837k 21.95
BioCryst Pharmaceuticals (BCRX) 0.4 $18M 2.5M 7.04
Compass Therapeutics (CMPX) 0.4 $18M 5.5M 3.18
Disc Medicine (IRON) 0.4 $16M 364k 44.40
Warby Parker Cl A Com (WRBY) 0.4 $16M 1.3M 11.69
Chinook Therapeutics 0.4 $15M 396k 38.42
Cytokinetics Com New (CYTK) 0.3 $15M 448k 32.62
Boston Scientific Corporation (BSX) 0.3 $15M 268k 54.09
Celldex Therapeutics Com New (CLDX) 0.3 $14M 422k 33.93
Collegium Pharmaceutical Inc Common Stock Usd (COLL) 0.3 $14M 650k 21.49
Amicus Therapeutics (FOLD) 0.3 $13M 1.1M 12.56
Merus N V (MRUS) 0.3 $13M 479k 26.33
Aura Biosciences (AURA) 0.3 $13M 1.0M 12.35
Health Catalyst (HCAT) 0.3 $12M 930k 12.50
Mersana Therapeutics (MRSN) 0.3 $11M 3.4M 3.29
Edap Tms S A Sponsored Adr (EDAP) 0.3 $11M 1.2M 9.22
Biohaven (BHVN) 0.2 $9.6M 402k 23.92
Mereo Biopharma Group Spon Ads (MREO) 0.2 $9.3M 7.0M 1.32
Pliant Therapeutics (PLRX) 0.2 $8.9M 491k 18.12
Icosavax 0.2 $8.6M 868k 9.93
Pulmonx Corp (LUNG) 0.2 $8.6M 652k 13.11
Relay Therapeutics (RLAY) 0.2 $8.5M 674k 12.56
Reneo Pharmaceuticals (RPHM) 0.2 $7.5M 1.1M 6.56
Guardant Health (GH) 0.2 $7.2M 200k 35.80
Anaptysbio Inc Common (ANAB) 0.2 $6.9M 342k 20.34
Macrogenics (MGNX) 0.1 $6.0M 1.1M 5.35
Spruce Biosciences (SPRB) 0.1 $5.9M 2.7M 2.15
Novocure Ord Shs (NVCR) 0.1 $5.2M 125k 41.50
Aurinia Pharmaceuticals (AUPH) 0.1 $4.6M 480k 9.68
Vigil Neuroscience (VIGL) 0.1 $4.4M 472k 9.40
Krystal Biotech (KRYS) 0.1 $4.1M 35k 117.40
Theseus Pharmaceuticals 0.1 $4.1M 437k 9.33
Novavax Com New (NVAX) 0.1 $4.0M 537k 7.43
Paratek Pharmaceuticals 0.1 $3.8M 1.7M 2.21
Xilio Therapeutics (XLO) 0.1 $3.8M 1.4M 2.62
Beam Therapeutics (BEAM) 0.1 $3.6M 111k 31.93
Leap Therapeutics Com New (LPTX) 0.1 $3.4M 1.1M 3.13
Acelyrin (SLRN) 0.1 $3.0M 142k 20.90
Fate Therapeutics (FATE) 0.1 $2.9M 612k 4.76
Design Therapeutics (DSGN) 0.1 $2.9M 460k 6.30
Gossamer Bio Note 5.000% 6/0 (Principal) 0.1 $2.9M 9.6M 0.30
Travere Therapeutics Note 2.500% 9/1 (Principal) 0.1 $2.9M 3.3M 0.88
Black Diamond Therapeutics (BDTX) 0.1 $2.8M 563k 5.05
Adaptimmune Therapeutics Sponds Adr (ADAP) 0.1 $2.6M 2.8M 0.93
Fulcrum Therapeutics (FULC) 0.1 $2.4M 728k 3.30
Kinnate Biopharma (KNTE) 0.1 $2.3M 747k 3.03
ImmunoGen 0.1 $2.1M 113k 18.87
Invitae (NVTAQ) 0.0 $1.9M 1.7M 1.13
Essa Pharma Com New (EPIX) 0.0 $1.8M 663k 2.70
Aeglea Biotherapeutics 0.0 $1.5M 3.4M 0.45
Compugen Ord (CGEN) 0.0 $1.5M 1.3M 1.14
Gamida Cell SHS (GMDA) 0.0 $1.4M 715k 1.93
Gossamer Bio (GOSS) 0.0 $1.3M 1.1M 1.20
Neurocrine Biosciences Note 2.250% 5/1 (Principal) 0.0 $1.3M 1.0M 1.28
Vincerx Pharma Com New (VINC) 0.0 $1.2M 892k 1.30
Applied Therapeutics (APLT) 0.0 $999k 781k 1.28
Spero Therapeutics (SPRO) 0.0 $971k 670k 1.45
Altimmune Com New (ALT) 0.0 $788k 223k 3.53
Nkarta (NKTX) 0.0 $726k 332k 2.19
Tempest Therapeutics (TPST) 0.0 $681k 536k 1.27
Nevro Corp Note 2.750% 4/0 (Principal) 0.0 $463k 500k 0.92
Atreca Cl A Com (BCEL) 0.0 $355k 363k 0.98
Acelrx Pharmaceuticals Com New (TLPH) 0.0 $351k 317k 1.11
Nuvation Bio *w Exp 07/07/202 (NUVB.WS) 0.0 $22k 134k 0.17