Rock Springs Capital Management

Rock Springs Capital Management as of June 30, 2022

Portfolio Holdings for Rock Springs Capital Management

Rock Springs Capital Management holds 131 positions in its portfolio as reported in the June 2022 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Humana (HUM) 5.8 $200M 426k 468.07
Agilon Health (AGL) 4.9 $168M 7.7M 21.83
UnitedHealth (UNH) 4.0 $138M 269k 513.63
Argenx Se Sponsored Adr (ARGX) 3.9 $133M 350k 378.88
Neurocrine Biosciences (NBIX) 3.2 $109M 1.1M 97.48
Insulet Corporation (PODD) 3.2 $109M 502k 217.94
Immunocore Hldgs Ads (IMCR) 2.9 $100M 2.7M 37.31
Evolent Health Cl A (EVH) 2.4 $84M 2.7M 30.71
Align Technology (ALGN) 2.4 $84M 355k 236.67
IDEXX Laboratories (IDXX) 2.3 $79M 224k 350.73
Ultragenyx Pharmaceutical (RARE) 1.9 $65M 1.1M 59.66
Agios Pharmaceuticals (AGIO) 1.9 $65M 2.9M 22.17
Sierra Oncology Com New 1.9 $65M 1.2M 54.99
Intuitive Surgical Com New (ISRG) 1.7 $60M 299k 200.71
Horizon Therapeutics Pub L SHS 1.7 $60M 746k 79.76
Pacira Pharmaceuticals (PCRX) 1.7 $59M 1.0M 58.30
Edwards Lifesciences (EW) 1.7 $57M 602k 95.09
Mirati Therapeutics 1.7 $57M 845k 67.13
Karuna Therapeutics Ord 1.6 $56M 442k 126.51
Aclaris Therapeutics (ACRS) 1.6 $55M 3.9M 13.96
Acadia Healthcare (ACHC) 1.5 $51M 754k 67.63
Penumbra (PEN) 1.5 $50M 402k 124.52
Blueprint Medicines (BPMC) 1.4 $50M 979k 50.51
Alnylam Pharmaceuticals (ALNY) 1.4 $49M 333k 145.85
Seagen 1.4 $48M 272k 176.94
Cerevel Therapeutics Hldng I (CERE) 1.4 $47M 1.8M 26.44
Shockwave Med (SWAV) 1.3 $46M 241k 191.17
Baxter International (BAX) 1.3 $45M 702k 64.23
Zai Lab Adr (ZLAB) 1.2 $42M 1.2M 34.68
Ascendis Pharma A/s Sponsored Adr (ASND) 1.2 $40M 426k 92.96
Dex (DXCM) 1.0 $35M 473k 74.53
Covetrus 1.0 $35M 1.7M 20.75
Xenon Pharmaceuticals (XENE) 1.0 $34M 1.1M 30.42
Nevro (NVRO) 1.0 $34M 773k 43.83
West Pharmaceutical Services (WST) 1.0 $34M 111k 302.37
Mirum Pharmaceuticals (MIRM) 1.0 $33M 1.7M 19.46
Freshpet (FRPT) 1.0 $33M 638k 51.89
Phreesia (PHR) 0.9 $33M 1.3M 25.01
Sarepta Therapeutics (SRPT) 0.9 $32M 428k 74.96
Irhythm Technologies (IRTC) 0.8 $29M 270k 108.03
Select Sector Spdr Tr Sbi Healthcare (XLV) 0.7 $26M 200k 128.24
Novavax Com New (NVAX) 0.7 $24M 475k 51.43
Abcam Ads 0.7 $23M 1.6M 14.46
Travere Therapeutics (TVTX) 0.7 $23M 952k 24.23
Madrigal Pharmaceuticals (MDGL) 0.7 $23M 318k 71.58
EXACT Sciences Corporation (EXAS) 0.7 $23M 573k 39.39
BioMarin Pharmaceutical (BMRN) 0.6 $22M 265k 82.87
CONMED Corporation (CNMD) 0.6 $21M 223k 95.76
Dynavax Technologies Corp Com New (DVAX) 0.6 $21M 1.7M 12.59
Turning Point Therapeutics I 0.6 $21M 272k 75.25
Legend Biotech Corp Sponsored Ads (LEGN) 0.6 $20M 356k 55.00
Cincor Pharma 0.6 $19M 1.0M 18.84
Mersana Therapeutics (MRSN) 0.5 $19M 4.1M 4.62
Amylyx Pharmaceuticals (AMLX) 0.5 $19M 974k 19.26
Olink Hldg Ab Sponsored Ads (OLK) 0.5 $19M 1.2M 15.20
Prothena Corp SHS (PRTA) 0.5 $18M 679k 27.15
Prometheus Biosciences 0.5 $18M 645k 28.23
Accolade (ACCD) 0.5 $16M 2.2M 7.40
Cytokinetics Com New (CYTK) 0.5 $16M 400k 39.29
BioCryst Pharmaceuticals (BCRX) 0.4 $16M 1.5M 10.58
Kymera Therapeutics (KYMR) 0.4 $15M 776k 19.69
Warby Parker Cl A Com (WRBY) 0.4 $14M 1.3M 11.26
Aura Biosciences (AURA) 0.4 $14M 1.0M 14.17
Compass Therapeutics (CMPX) 0.4 $14M 5.3M 2.65
Health Catalyst (HCAT) 0.4 $14M 945k 14.49
Biomea Fusion (BMEA) 0.4 $13M 1.1M 11.98
Collegium Pharmaceutical Inc Common Stock Usd (COLL) 0.4 $13M 725k 17.72
Inozyme Pharma (INZY) 0.4 $13M 2.6M 4.77
Novocure Ord Shs (NVCR) 0.4 $12M 175k 69.50
Arvinas Ord (ARVN) 0.3 $12M 280k 42.09
Brooks Automation (AZTA) 0.3 $12M 162k 72.10
Anaptysbio Inc Common (ANAB) 0.3 $12M 572k 20.30
Lifestance Health Group (LFST) 0.3 $11M 2.0M 5.56
Epizyme 0.3 $11M 7.5M 1.47
Amicus Therapeutics (FOLD) 0.3 $11M 1.0M 10.74
Relay Therapeutics (RLAY) 0.3 $10M 618k 16.75
Pulmonx Corp (LUNG) 0.3 $10M 702k 14.72
Immatics SHS (IMTX) 0.3 $9.8M 1.1M 8.71
Orion Acquisition Corp Unit 02/19/2026 0.3 $9.8M 1.0M 9.81
Amryt Pharma Sponsored Ads 0.3 $9.2M 1.3M 6.99
Celldex Therapeutics Com New (CLDX) 0.3 $9.0M 336k 26.96
Chinook Therapeutics 0.3 $8.9M 508k 17.49
Invitae (NVTAQ) 0.2 $8.5M 3.5M 2.44
Aurinia Pharmaceuticals (AUPH) 0.2 $8.2M 815k 10.05
Guardant Health (GH) 0.2 $8.1M 200k 40.34
Kinnate Biopharma (KNTE) 0.2 $7.8M 618k 12.61
Verve Therapeutics (VERV) 0.2 $7.7M 504k 15.28
Nkarta (NKTX) 0.2 $7.6M 616k 12.32
Gossamer Bio Note 5.000% 6/0 (Principal) 0.2 $7.2M 9.6M 0.75
Mereo Biopharma Group Ads (MREO) 0.2 $7.0M 6.2M 1.12
Design Therapeutics (DSGN) 0.2 $6.4M 460k 14.00
Akero Therapeutics (AKRO) 0.2 $6.4M 680k 9.45
Edap Tms S A Sponsored Adr (EDAP) 0.2 $6.2M 910k 6.80
Rhythm Pharmaceuticals (RYTM) 0.2 $5.8M 1.4M 4.15
F-star Therapeutics 0.1 $4.7M 752k 6.26
Eqrx 0.1 $4.7M 1.0M 4.69
Icosavax 0.1 $4.4M 762k 5.73
Beam Therapeutics (BEAM) 0.1 $4.3M 111k 38.71
Leap Therapeutics 0.1 $4.2M 3.7M 1.15
Adaptimmune Therapeutics Sponds Adr (ADAP) 0.1 $4.0M 2.4M 1.70
Xilio Therapeutics (XLO) 0.1 $4.0M 1.4M 2.92
Gamida Cell SHS (GMDA) 0.1 $3.8M 2.2M 1.77
Paratek Pharmaceuticals 0.1 $3.3M 1.7M 1.93
Travere Therapeutics Note 2.500% 9/1 (Principal) 0.1 $3.2M 3.3M 0.99
Bcls Acquisition Corp Com Cl A 0.1 $3.1M 309k 9.90
Reneo Pharmaceuticals (RPHM) 0.1 $3.0M 1.1M 2.65
Spruce Biosciences (SPRB) 0.1 $2.8M 1.6M 1.74
Macrogenics (MGNX) 0.1 $2.8M 955k 2.95
Fate Therapeutics (FATE) 0.1 $2.7M 110k 24.78
Theseus Pharmaceuticals 0.1 $2.4M 437k 5.53
Compugen Ord (CGEN) 0.1 $2.4M 1.3M 1.85
Jiya Acquisition Corp Com Cl A 0.1 $2.0M 206k 9.88
Fusion Pharmaceuticals (FUSN) 0.1 $2.0M 810k 2.49
Prelude Therapeutics (PRLD) 0.1 $1.9M 369k 5.22
Fulcrum Therapeutics (FULC) 0.1 $1.9M 385k 4.90
Tempest Therapeutics (TPST) 0.1 $1.8M 824k 2.15
Phasebio Pharmaceuticals (PHASQ) 0.0 $1.7M 2.8M 0.60
Essa Pharma Com New (EPIX) 0.0 $1.7M 525k 3.15
Aeglea Biotherapeutics 0.0 $1.6M 3.1M 0.51
Acelrx Pharmaceuticals 0.0 $1.5M 6.3M 0.24
Radius Health Note 3.000% 9/0 (Principal) 0.0 $1.5M 1.5M 0.98
Theravance Biopharma Note 3.250%11/0 (Principal) 0.0 $1.4M 1.5M 0.92
Neurocrine Biosciences Note 2.250% 5/1 (Principal) 0.0 $1.3M 1.0M 1.33
Vigil Neuroscience (VIGL) 0.0 $1.2M 472k 2.58
Vincerx Pharma Com New (VINC) 0.0 $1.1M 814k 1.32
Imara 0.0 $1.0M 842k 1.22
Atreca Cl A Com (BCEL) 0.0 $828k 463k 1.79
Applied Therapeutics (APLT) 0.0 $665k 702k 0.95
Spero Therapeutics (SPRO) 0.0 $571k 771k 0.74
Nevro Corp Note 2.750% 4/0 (Principal) 0.0 $466k 500k 0.93
Nuvation Bio *w Exp 07/07/202 (NUVB.WS) 0.0 $38k 134k 0.28