Rock Springs Capital Management as of Sept. 30, 2022
Portfolio Holdings for Rock Springs Capital Management
Rock Springs Capital Management holds 127 positions in its portfolio as reported in the September 2022 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price |
|---|---|---|---|---|---|
| Humana (HUM) | 5.3 | $207M | 427k | 485.19 | |
| Agilon Health (AGL) | 4.7 | $181M | 7.7M | 23.42 | |
| Immunocore Hldgs Ads (IMCR) | 4.2 | $164M | 3.5M | 46.94 | |
| UnitedHealth (UNH) | 3.5 | $136M | 270k | 505.04 | |
| Argenx Se Sponsored Adr (ARGX) | 3.2 | $124M | 350k | 353.05 | |
| Neurocrine Biosciences (NBIX) | 3.1 | $119M | 1.1M | 106.21 | |
| Insulet Corporation (PODD) | 3.1 | $119M | 519k | 229.40 | |
| Evolent Health Cl A (EVH) | 3.0 | $117M | 3.3M | 35.93 | |
| Blueprint Medicines (BPMC) | 2.6 | $101M | 1.5M | 65.89 | |
| Karuna Therapeutics Ord | 2.4 | $93M | 414k | 224.93 | |
| Penumbra (PEN) | 2.3 | $90M | 476k | 189.60 | |
| Agios Pharmaceuticals (AGIO) | 2.2 | $87M | 3.1M | 28.28 | |
| IDEXX Laboratories (IDXX) | 1.9 | $73M | 224k | 325.80 | |
| Align Technology (ALGN) | 1.8 | $71M | 344k | 207.11 | |
| Cerevel Therapeutics Hldng I (CERE) | 1.8 | $71M | 2.5M | 28.26 | |
| Alnylam Pharmaceuticals (ALNY) | 1.7 | $67M | 333k | 200.16 | |
| Acadia Healthcare (ACHC) | 1.7 | $66M | 845k | 78.18 | |
| Aclaris Therapeutics (ACRS) | 1.6 | $62M | 4.0M | 15.74 | |
| Mirati Therapeutics | 1.6 | $61M | 867k | 69.84 | |
| Intuitive Surgical Com New (ISRG) | 1.4 | $56M | 299k | 187.44 | |
| Pacira Pharmaceuticals (PCRX) | 1.4 | $54M | 1.0M | 53.19 | |
| Edwards Lifesciences (EW) | 1.3 | $52M | 631k | 82.63 | |
| Shockwave Med (SWAV) | 1.3 | $50M | 180k | 278.07 | |
| Ultragenyx Pharmaceutical (RARE) | 1.3 | $49M | 1.2M | 41.41 | |
| Sarepta Therapeutics (SRPT) | 1.2 | $48M | 430k | 110.54 | |
| Akero Therapeutics (AKRO) | 1.2 | $47M | 1.4M | 34.05 | |
| Horizon Therapeutics Pub L SHS | 1.2 | $45M | 727k | 61.89 | |
| West Pharmaceutical Services (WST) | 1.1 | $44M | 181k | 246.08 | |
| Ascendis Pharma A/s Sponsored Adr (ASND) | 1.1 | $44M | 426k | 103.26 | |
| Rhythm Pharmaceuticals (RYTM) | 1.1 | $43M | 1.8M | 24.50 | |
| Xenon Pharmaceuticals (XENE) | 1.1 | $42M | 1.2M | 36.10 | |
| Prothena Corp SHS (PRTA) | 1.1 | $41M | 679k | 60.63 | |
| Zai Lab Adr (ZLAB) | 1.1 | $41M | 1.2M | 34.20 | |
| Baxter International (BAX) | 1.1 | $41M | 756k | 53.86 | |
| Cincor Pharma | 1.0 | $40M | 1.2M | 32.82 | |
| Dex (DXCM) | 1.0 | $40M | 491k | 80.54 | |
| Prometheus Biosciences | 1.0 | $38M | 645k | 59.01 | |
| Mirum Pharmaceuticals (MIRM) | 1.0 | $38M | 1.8M | 21.01 | |
| Seagen | 1.0 | $37M | 272k | 136.83 | |
| Irhythm Technologies (IRTC) | 0.9 | $37M | 293k | 125.28 | |
| Nevro (NVRO) | 0.9 | $37M | 787k | 46.60 | |
| Freshpet (FRPT) | 0.9 | $35M | 700k | 50.09 | |
| Covetrus | 0.9 | $35M | 1.7M | 20.88 | |
| Phreesia (PHR) | 0.9 | $33M | 1.3M | 25.48 | |
| Abcam Ads | 0.8 | $31M | 2.0M | 14.99 | |
| Mersana Therapeutics (MRSN) | 0.7 | $28M | 4.1M | 6.76 | |
| Accolade (ACCD) | 0.7 | $26M | 2.3M | 11.42 | |
| Select Sector Spdr Tr Sbi Healthcare (XLV) | 0.6 | $24M | 200k | 121.11 | |
| Travere Therapeutics (TVTX) | 0.6 | $23M | 952k | 24.64 | |
| Kymera Therapeutics (KYMR) | 0.6 | $23M | 1.0M | 21.77 | |
| BioMarin Pharmaceutical (BMRN) | 0.6 | $22M | 265k | 84.77 | |
| BioCryst Pharmaceuticals (BCRX) | 0.6 | $22M | 1.7M | 12.60 | |
| Cytokinetics Com New (CYTK) | 0.6 | $22M | 443k | 48.45 | |
| Madrigal Pharmaceuticals (MDGL) | 0.5 | $21M | 318k | 64.99 | |
| Verve Therapeutics (VERV) | 0.5 | $19M | 559k | 34.35 | |
| Gossamer Bio (GOSS) | 0.5 | $19M | 1.6M | 11.98 | |
| EXACT Sciences Corporation (EXAS) | 0.5 | $19M | 579k | 32.49 | |
| CONMED Corporation (CNMD) | 0.5 | $19M | 233k | 80.17 | |
| Aura Biosciences (AURA) | 0.5 | $18M | 1.0M | 18.12 | |
| Legend Biotech Corp Sponsored Ads (LEGN) | 0.5 | $18M | 451k | 40.80 | |
| Dynavax Technologies Corp Com New (DVAX) | 0.5 | $18M | 1.7M | 10.44 | |
| Olink Hldg Ab Sponsored Ads (OLK) | 0.5 | $18M | 1.4M | 12.14 | |
| Warby Parker Cl A Com (WRBY) | 0.5 | $18M | 1.3M | 13.34 | |
| Immatics SHS (IMTX) | 0.4 | $17M | 1.7M | 10.00 | |
| Anaptysbio Inc Common (ANAB) | 0.4 | $15M | 577k | 25.51 | |
| Brooks Automation (AZTA) | 0.4 | $14M | 330k | 42.86 | |
| Relay Therapeutics (RLAY) | 0.4 | $14M | 618k | 22.37 | |
| Novocure Ord Shs (NVCR) | 0.3 | $13M | 175k | 75.98 | |
| Lifestance Health Group (LFST) | 0.3 | $13M | 2.0M | 6.62 | |
| Arvinas Ord (ARVN) | 0.3 | $13M | 280k | 44.49 | |
| Compass Therapeutics (CMPX) | 0.3 | $12M | 5.3M | 2.28 | |
| Celldex Therapeutics Com New (CLDX) | 0.3 | $12M | 422k | 28.11 | |
| Collegium Pharmaceutical Inc Common Stock Usd (COLL) | 0.3 | $12M | 725k | 16.02 | |
| Amylyx Pharmaceuticals (AMLX) | 0.3 | $11M | 404k | 28.15 | |
| Novavax Com New (NVAX) | 0.3 | $11M | 599k | 18.20 | |
| Guardant Health (GH) | 0.3 | $11M | 200k | 53.83 | |
| Amicus Therapeutics (FOLD) | 0.3 | $11M | 1.0M | 10.44 | |
| Chinook Therapeutics | 0.3 | $10M | 508k | 19.66 | |
| Pulmonx Corp (LUNG) | 0.3 | $10M | 597k | 16.66 | |
| Gossamer Bio Note 5.000% 6/0 (Principal) | 0.3 | $9.9M | 9.6M | 1.03 | |
| Orion Acquisition Corp Unit 02/19/2026 | 0.3 | $9.9M | 1.0M | 9.87 | |
| Amryt Pharma Sponsored Ads | 0.2 | $9.2M | 1.3M | 6.92 | |
| Kinnate Biopharma (KNTE) | 0.2 | $8.9M | 747k | 11.95 | |
| Health Catalyst (HCAT) | 0.2 | $8.5M | 880k | 9.70 | |
| Invitae (NVTAQ) | 0.2 | $8.3M | 3.4M | 2.46 | |
| Nkarta (NKTX) | 0.2 | $8.1M | 616k | 13.16 | |
| Aurinia Pharmaceuticals (AUPH) | 0.2 | $8.0M | 1.1M | 7.52 | |
| Design Therapeutics (DSGN) | 0.2 | $7.7M | 460k | 16.72 | |
| Inozyme Pharma (INZY) | 0.2 | $7.5M | 2.8M | 2.68 | |
| Edap Tms S A Sponsored Adr (EDAP) | 0.2 | $7.5M | 910k | 8.25 | |
| Biomea Fusion (BMEA) | 0.2 | $7.1M | 731k | 9.78 | |
| Gamida Cell SHS (GMDA) | 0.2 | $6.6M | 4.1M | 1.59 | |
| Mereo Biopharma Group Spon Ads (MREO) | 0.1 | $5.4M | 6.2M | 0.86 | |
| Beam Therapeutics (BEAM) | 0.1 | $5.3M | 111k | 47.64 | |
| Eqrx | 0.1 | $5.0M | 1.0M | 4.95 | |
| Paratek Pharmaceuticals | 0.1 | $4.5M | 1.7M | 2.57 | |
| Vigil Neuroscience (VIGL) | 0.1 | $4.3M | 472k | 9.10 | |
| Macrogenics (MGNX) | 0.1 | $4.2M | 1.2M | 3.46 | |
| Xilio Therapeutics (XLO) | 0.1 | $4.0M | 1.4M | 2.91 | |
| F-star Therapeutics | 0.1 | $3.8M | 752k | 5.12 | |
| Reneo Pharmaceuticals (RPHM) | 0.1 | $3.8M | 1.1M | 3.35 | |
| Travere Therapeutics Note 2.500% 9/1 (Principal) | 0.1 | $3.3M | 3.3M | 1.01 | |
| Altimmune Com New (ALT) | 0.1 | $3.3M | 257k | 12.77 | |
| Leap Therapeutics | 0.1 | $3.2M | 3.7M | 0.88 | |
| Fulcrum Therapeutics (FULC) | 0.1 | $3.1M | 385k | 8.09 | |
| Bcls Acquisition Corp Com Cl A | 0.1 | $3.1M | 309k | 10.02 | |
| Theseus Pharmaceuticals | 0.1 | $2.5M | 437k | 5.80 | |
| Adaptimmune Therapeutics Sponds Adr (ADAP) | 0.1 | $2.5M | 2.4M | 1.07 | |
| Icosavax | 0.1 | $2.5M | 781k | 3.16 | |
| Fate Therapeutics (FATE) | 0.1 | $2.5M | 110k | 22.41 | |
| Spruce Biosciences (SPRB) | 0.1 | $2.2M | 1.6M | 1.37 | |
| Jiya Acquisition Corp Com Cl A | 0.1 | $2.1M | 206k | 9.97 | |
| Imara | 0.0 | $1.9M | 842k | 2.28 | |
| Aeglea Biotherapeutics | 0.0 | $1.8M | 3.4M | 0.53 | |
| Spero Therapeutics (SPRO) | 0.0 | $1.5M | 771k | 2.00 | |
| Vincerx Pharma Com New (VINC) | 0.0 | $1.5M | 1.1M | 1.38 | |
| Tempest Therapeutics (TPST) | 0.0 | $1.4M | 824k | 1.74 | |
| Neurocrine Biosciences Note 2.250% 5/1 (Principal) | 0.0 | $1.4M | 1.0M | 1.41 | |
| Acelrx Pharmaceuticals | 0.0 | $1.3M | 6.3M | 0.21 | |
| Biohaven (BHVN) | 0.0 | $1.1M | 167k | 6.30 | |
| Essa Pharma Com New (EPIX) | 0.0 | $955k | 525k | 1.82 | |
| Compugen Ord (CGEN) | 0.0 | $848k | 1.3M | 0.66 | |
| Atreca Cl A Com (BCEL) | 0.0 | $726k | 463k | 1.57 | |
| Applied Therapeutics (APLT) | 0.0 | $653k | 702k | 0.93 | |
| Phasebio Pharmaceuticals (PHASQ) | 0.0 | $479k | 2.7M | 0.18 | |
| Nevro Corp Note 2.750% 4/0 (Principal) | 0.0 | $473k | 500k | 0.95 | |
| Nuvation Bio *w Exp 07/07/202 (NUVB.WS) | 0.0 | $27k | 134k | 0.20 |
