Rock Springs Capital Management

Rock Springs Capital Management as of March 31, 2023

Portfolio Holdings for Rock Springs Capital Management

Rock Springs Capital Management holds 121 positions in its portfolio as reported in the March 2023 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Humana (HUM) 4.9 $207M 427k 485.46
Agilon Health (AGL) 4.5 $187M 7.9M 23.75
Insulet Corporation (PODD) 4.1 $171M 537k 318.96
Immunocore Hldgs Ads (IMCR) 3.5 $148M 3.0M 49.44
Argenx Se Sponsored Adr (ARGX) 3.1 $130M 350k 372.58
UnitedHealth (UNH) 3.0 $128M 270k 472.59
Evolent Health Cl A (EVH) 2.9 $123M 3.8M 32.45
Neurocrine Biosciences (NBIX) 2.9 $123M 1.2M 101.22
Penumbra (PEN) 2.9 $121M 434k 278.69
Prometheus Biosciences 2.6 $111M 1.0M 107.32
IDEXX Laboratories (IDXX) 2.5 $104M 208k 500.08
Blueprint Medicines (BPMC) 2.2 $92M 2.0M 44.99
Karuna Therapeutics Ord 2.1 $90M 494k 181.64
Madrigal Pharmaceuticals (MDGL) 2.0 $84M 348k 242.26
Align Technology (ALGN) 2.0 $83M 247k 334.14
Seagen 1.9 $81M 400k 202.47
Horizon Therapeutics Pub L SHS 1.9 $81M 740k 109.14
Intuitive Surgical Com New (ISRG) 1.8 $76M 299k 255.47
West Pharmaceutical Services (WST) 1.7 $70M 202k 346.47
Alnylam Pharmaceuticals (ALNY) 1.6 $69M 345k 200.32
EXACT Sciences Corporation (EXAS) 1.5 $64M 942k 67.81
Acadia Healthcare (ACHC) 1.5 $62M 861k 72.25
Cerevel Therapeutics Hldng I (CERE) 1.5 $61M 2.5M 24.39
Agios Pharmaceuticals (AGIO) 1.5 $61M 2.7M 22.97
Sarepta Therapeutics (SRPT) 1.5 $61M 443k 137.83
Dex (DXCM) 1.4 $57M 491k 116.18
Akero Therapeutics (AKRO) 1.3 $56M 1.5M 38.26
Ultragenyx Pharmaceutical (RARE) 1.3 $54M 1.3M 40.10
Edwards Lifesciences (EW) 1.3 $53M 646k 82.73
Ascendis Pharma A/s Sponsored Adr (ASND) 1.1 $46M 426k 107.22
Freshpet (FRPT) 1.0 $44M 663k 66.19
Mirum Pharmaceuticals (MIRM) 1.0 $43M 1.8M 24.02
Amylyx Pharmaceuticals (AMLX) 1.0 $43M 1.5M 29.34
Xenon Pharmaceuticals (XENE) 1.0 $42M 1.2M 35.79
Pacira Pharmaceuticals (PCRX) 1.0 $42M 1.0M 40.81
Phreesia (PHR) 1.0 $42M 1.3M 32.29
Biomea Fusion (BMEA) 1.0 $40M 1.3M 31.01
Mirati Therapeutics 0.9 $40M 1.1M 37.18
Nevro (NVRO) 0.9 $39M 1.1M 36.15
Irhythm Technologies (IRTC) 0.9 $38M 310k 124.03
Olink Hldg Ab Sponsored Ads (OLK) 0.9 $37M 1.7M 22.53
Accolade (ACCD) 0.9 $37M 2.5M 14.38
Prothena Corp SHS (PRTA) 0.9 $37M 754k 48.47
Kymera Therapeutics (KYMR) 0.9 $36M 1.2M 29.63
Zai Lab Adr (ZLAB) 0.8 $35M 1.1M 33.26
Aclaris Therapeutics (ACRS) 0.8 $32M 4.0M 8.09
Abcam Ads 0.7 $30M 2.2M 13.46
Travere Therapeutics (TVTX) 0.7 $29M 1.3M 22.49
Rhythm Pharmaceuticals (RYTM) 0.7 $29M 1.6M 17.84
Select Sector Spdr Tr Sbi Healthcare (XLV) 0.6 $26M 200k 129.46
BioMarin Pharmaceutical (BMRN) 0.6 $26M 265k 97.24
Shockwave Med 0.6 $25M 115k 216.83
Legend Biotech Corp Sponsored Ads (LEGN) 0.5 $22M 458k 48.22
Lifestance Health Group (LFST) 0.5 $22M 2.9M 7.43
CONMED Corporation (CNMD) 0.5 $21M 205k 103.86
BioCryst Pharmaceuticals (BCRX) 0.5 $20M 2.3M 8.34
Amryt Pharma Sponsored Ads 0.5 $19M 1.3M 14.58
Brooks Automation (AZTA) 0.5 $19M 431k 44.62
Inozyme Pharma (INZY) 0.4 $18M 3.2M 5.73
Mineralys Therapeutics (MLYS) 0.4 $18M 1.2M 15.66
Compass Therapeutics (CMPX) 0.4 $18M 5.5M 3.27
Dynavax Technologies Corp Com New (DVAX) 0.4 $18M 1.8M 9.81
Immatics SHS (IMTX) 0.4 $17M 2.5M 6.90
Mersana Therapeutics (MRSN) 0.4 $17M 4.1M 4.11
Cytokinetics Com New (CYTK) 0.4 $16M 448k 35.19
Collegium Pharmaceutical Inc Common Stock Usd (COLL) 0.4 $16M 650k 23.99
Revolution Medicines (RVMD) 0.4 $15M 703k 21.66
Celldex Therapeutics Com New (CLDX) 0.4 $15M 422k 35.98
Warby Parker Cl A Com (WRBY) 0.3 $14M 1.3M 10.59
Pliant Therapeutics (PLRX) 0.3 $13M 491k 26.60
Anaptysbio Inc Common (ANAB) 0.3 $13M 577k 21.76
Amicus Therapeutics (FOLD) 0.3 $12M 1.1M 11.09
Chinook Therapeutics 0.3 $12M 508k 23.15
Edap Tms S A Sponsored Adr (EDAP) 0.3 $11M 1.0M 11.07
Relay Therapeutics (RLAY) 0.3 $11M 674k 16.47
Health Catalyst (HCAT) 0.3 $11M 930k 11.67
Aura Biosciences (AURA) 0.2 $9.5M 1.0M 9.28
Biohaven (BHVN) 0.2 $9.4M 686k 13.66
Verve Therapeutics (VERV) 0.2 $8.1M 559k 14.42
Macrogenics (MGNX) 0.2 $8.1M 1.1M 7.17
Novocure Ord Shs (NVCR) 0.2 $7.5M 125k 60.14
Pulmonx Corp (LUNG) 0.2 $7.3M 652k 11.18
Reneo Pharmaceuticals (RPHM) 0.2 $6.8M 1.1M 5.98
Disc Medicine (IRON) 0.2 $6.6M 314k 21.19
Spruce Biosciences (SPRB) 0.1 $6.0M 2.7M 2.21
Aurinia Pharmaceuticals (AUPH) 0.1 $5.3M 480k 10.96
Icosavax 0.1 $5.0M 865k 5.80
Guardant Health (GH) 0.1 $4.7M 200k 23.44
Kinnate Biopharma 0.1 $4.7M 747k 6.25
Vigil Neuroscience (VIGL) 0.1 $4.6M 472k 9.79
Xilio Therapeutics (XLO) 0.1 $4.6M 1.4M 3.17
Mereo Biopharma Group Spon Ads (MREO) 0.1 $4.4M 6.2M 0.71
Paratek Pharmaceuticals 0.1 $4.4M 1.7M 2.54
Invitae (NVTAQ) 0.1 $4.4M 3.2M 1.35
Theseus Pharmaceuticals 0.1 $3.9M 437k 8.88
Novavax Com New (NVAX) 0.1 $3.7M 535k 6.93
Fate Therapeutics (FATE) 0.1 $3.5M 612k 5.70
Beam Therapeutics (BEAM) 0.1 $3.4M 111k 30.62
Travere Therapeutics Note 2.500% 9/1 (Principal) 0.1 $3.1M 3.3M 0.96
Adaptimmune Therapeutics Sponds Adr (ADAP) 0.1 $3.0M 2.8M 1.09
Design Therapeutics (DSGN) 0.1 $2.7M 460k 5.77
Gossamer Bio Note 5.000% 6/0 (Principal) 0.1 $2.6M 9.6M 0.28
89bio Call Option (ETNB) 0.1 $2.5M 165k 15.23
Fulcrum Therapeutics (FULC) 0.0 $2.1M 728k 2.85
Tempest Therapeutics (TPST) 0.0 $1.9M 824k 2.32
Gamida Cell SHS 0.0 $1.9M 2.3M 0.81
Leap Therapeutics 0.0 $1.6M 4.7M 0.34
Essa Pharma Com New (EPIX) 0.0 $1.6M 525k 2.97
Nkarta (NKTX) 0.0 $1.4M 393k 3.55
Gossamer Bio (GOSS) 0.0 $1.4M 1.1M 1.26
Neurocrine Biosciences Note 2.250% 5/1 (Principal) 0.0 $1.4M 1.0M 1.35
Aeglea Biotherapeutics 0.0 $990k 3.4M 0.29
Spero Therapeutics (SPRO) 0.0 $971k 670k 1.45
Altimmune Com New (ALT) 0.0 $942k 223k 4.22
Vincerx Pharma Com New (VINC) 0.0 $927k 892k 1.04
Compugen Ord (CGEN) 0.0 $906k 1.3M 0.70
Applied Therapeutics (APLT) 0.0 $633k 781k 0.81
Nevro Corp Note 2.750% 4/0 (Principal) 0.0 $470k 500k 0.94
Atreca Cl A Com (BCEL) 0.0 $413k 363k 1.14
Acelrx Pharmaceuticals Com New (TLPH) 0.0 $208k 317k 0.66
Nuvation Bio *w Exp 07/07/202 (NUVB.WS) 0.0 $16k 134k 0.12