Rock Springs Capital Management

Rock Springs Capital Management as of March 31, 2022

Portfolio Holdings for Rock Springs Capital Management

Rock Springs Capital Management holds 135 positions in its portfolio as reported in the March 2022 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Agilon Health (AGL) 4.9 $194M 7.6M 25.35
Humana (HUM) 4.0 $160M 369k 435.17
Insulet Corporation (PODD) 3.2 $128M 482k 266.39
UnitedHealth (UNH) 3.1 $122M 240k 509.97
IDEXX Laboratories (IDXX) 3.0 $120M 219k 547.06
Argenx Se Sponsored Adr (ARGX) 2.8 $110M 350k 315.31
Neurocrine Biosciences (NBIX) 2.6 $104M 1.1M 93.75
Align Technology (ALGN) 2.4 $94M 217k 436.00
Hca Holdings (HCA) 2.4 $94M 375k 250.62
Intuitive Surgical Com New (ISRG) 2.3 $90M 299k 301.68
Horizon Therapeutics Pub L SHS 2.0 $79M 746k 105.21
Agios Pharmaceuticals (AGIO) 2.0 $78M 2.7M 29.11
Evolent Health Cl A (EVH) 1.9 $77M 2.4M 32.30
Pacira Pharmaceuticals (PCRX) 1.9 $76M 1.0M 76.32
Immunocore Hldgs Ads (IMCR) 1.9 $76M 2.6M 29.90
Ultragenyx Pharmaceutical (RARE) 1.9 $75M 1.0M 72.62
Edwards Lifesciences (EW) 1.8 $70M 597k 117.72
Irhythm Technologies (IRTC) 1.7 $69M 436k 157.47
Aclaris Therapeutics (ACRS) 1.7 $67M 3.9M 17.24
Freshpet (FRPT) 1.5 $61M 593k 102.64
Blueprint Medicines (BPMC) 1.5 $61M 948k 63.88
Cerevel Therapeutics Hldng I (CERE) 1.5 $60M 1.7M 35.01
Baxter International (BAX) 1.5 $58M 751k 77.54
Shockwave Med 1.4 $56M 272k 207.36
Karuna Therapeutics Ord 1.4 $55M 433k 126.79
Alnylam Pharmaceuticals (ALNY) 1.4 $54M 333k 163.29
Dex (DXCM) 1.3 $53M 104k 511.60
Zai Lab Adr (ZLAB) 1.3 $53M 1.2M 43.98
Nevro (NVRO) 1.3 $52M 722k 72.33
Acadia Healthcare (ACHC) 1.2 $49M 754k 65.53
Ascendis Pharma A/s Sponsored Adr (ASND) 1.2 $49M 418k 117.36
Mirati Therapeutics 1.2 $46M 560k 82.22
Penumbra (PEN) 1.1 $45M 205k 222.13
EXACT Sciences Corporation (EXAS) 1.0 $40M 570k 69.92
Seagen 1.0 $39M 271k 144.05
Sierra Oncology Com New 0.9 $38M 1.2M 32.05
Mirum Pharmaceuticals (MIRM) 0.9 $37M 1.7M 22.02
Encompass Health Corp (EHC) 0.9 $36M 503k 71.11
Warby Parker Cl A Com (WRBY) 0.9 $35M 1.0M 33.81
Sarepta Therapeutics (SRPT) 0.8 $33M 428k 78.12
Novavax Com New (NVAX) 0.8 $33M 448k 73.65
Kymera Therapeutics (KYMR) 0.8 $32M 756k 42.32
Arvinas Ord (ARVN) 0.8 $31M 458k 67.30
CONMED Corporation (CNMD) 0.8 $30M 203k 148.55
Cytokinetics Note 4.000%11/1 (Principal) 0.7 $29M 8.0M 3.66
West Pharmaceutical Services (WST) 0.7 $28M 69k 410.71
Covetrus 0.7 $28M 1.7M 16.79
Madrigal Pharmaceuticals (MDGL) 0.7 $27M 274k 98.12
Invitae (NVTAQ) 0.7 $27M 3.3M 7.97
Accolade (ACCD) 0.7 $26M 1.5M 17.56
Abcam Ads 0.7 $26M 1.4M 18.29
Xenon Pharmaceuticals (XENE) 0.6 $26M 843k 30.57
Phreesia (PHR) 0.6 $25M 950k 26.36
Travere Therapeutics (TVTX) 0.6 $25M 952k 25.77
Prothena Corp SHS (PRTA) 0.6 $24M 664k 36.57
Health Catalyst (HCAT) 0.6 $24M 914k 26.13
Prometheus Biosciences 0.6 $24M 624k 37.76
Aura Biosciences (AURA) 0.6 $22M 1.0M 22.00
BioMarin Pharmaceutical (BMRN) 0.5 $20M 265k 77.10
Lifestance Health Group (LFST) 0.5 $20M 2.0M 10.11
Cincor Pharma 0.5 $18M 1.0M 17.54
Relay Therapeutics (RLAY) 0.5 $18M 602k 29.93
Pulmonx Corp (LUNG) 0.4 $17M 702k 24.81
Olink Hldg Ab Sponsored Ads (OLK) 0.4 $17M 986k 17.66
Dynavax Technologies Corp Com New (DVAX) 0.4 $17M 1.6M 10.84
Intersect Ent 0.4 $15M 550k 28.01
Mersana Therapeutics (MRSN) 0.4 $15M 3.8M 3.99
Legend Biotech Corp Sponsored Ads (LEGN) 0.4 $15M 411k 36.34
Collegium Pharmaceutical Inc Common Stock Usd (COLL) 0.4 $15M 725k 20.36
Rigel Pharmaceuticals Com New 0.4 $15M 4.9M 2.99
Amarin Corp Spons Adr New (AMRN) 0.4 $15M 4.4M 3.29
Novocure Ord Shs (NVCR) 0.4 $15M 175k 82.85
Rhythm Pharmaceuticals (RYTM) 0.4 $14M 1.2M 11.52
Anaptysbio Inc Common (ANAB) 0.4 $14M 563k 24.74
Guardant Health (GH) 0.3 $13M 200k 66.24
Amylyx Pharmaceuticals (AMLX) 0.3 $13M 998k 12.85
Verve Therapeutics (VERV) 0.3 $12M 504k 22.82
Chinook Therapeutics 0.3 $12M 700k 16.36
Amryt Pharma Sponsored Ads 0.3 $11M 1.3M 8.27
Fulcrum Therapeutics (FULC) 0.3 $10M 435k 23.65
Orion Acquisition Corp Unit 02/19/2026 0.2 $9.8M 1.0M 9.82
Amicus Therapeutics (FOLD) 0.2 $9.6M 1.0M 9.47
Aurinia Pharmaceuticals (AUPH) 0.2 $9.5M 771k 12.38
Graphite Bio 0.2 $9.1M 1.8M 5.10
Akero Therapeutics (AKRO) 0.2 $9.0M 635k 14.19
Gamida Cell SHS 0.2 $8.9M 2.2M 4.15
Spero Therapeutics (SPRO) 0.2 $8.6M 991k 8.70
Xilio Therapeutics (XLO) 0.2 $8.4M 1.2M 7.07
Epizyme 0.2 $8.4M 7.3M 1.15
Macrogenics (MGNX) 0.2 $8.2M 933k 8.81
Gossamer Bio Note 5.000% 6/0 (Principal) 0.2 $7.7M 9.6M 0.80
Athira Pharma (ATHA) 0.2 $7.5M 552k 13.50
Fusion Pharmaceuticals 0.2 $7.4M 948k 7.77
Compass Therapeutics (CMPX) 0.2 $7.3M 5.3M 1.37
Cullinan Oncology (CGEM) 0.2 $6.8M 653k 10.47
Mereo Biopharma Group Ads (MREO) 0.2 $6.8M 6.1M 1.12
Leap Therapeutics 0.2 $6.3M 3.6M 1.75
Edap Tms S A Sponsored Adr (EDAP) 0.1 $5.9M 820k 7.25
Nkarta (NKTX) 0.1 $5.8M 510k 11.38
Design Therapeutics (DSGN) 0.1 $5.6M 346k 16.15
Icosavax 0.1 $5.4M 762k 7.04
Biomea Fusion (BMEA) 0.1 $5.2M 1.2M 4.46
Paratek Pharmaceuticals 0.1 $5.1M 1.7M 2.97
Theseus Pharmaceuticals 0.1 $5.0M 437k 11.53
Inozyme Pharma (INZY) 0.1 $4.9M 1.2M 4.09
Adaptimmune Therapeutics Sponds Adr (ADAP) 0.1 $4.7M 2.3M 2.06
Fate Therapeutics (FATE) 0.1 $4.3M 110k 38.77
Aeglea Biotherapeutics 0.1 $4.2M 1.8M 2.30
Compugen Ord (CGEN) 0.1 $4.2M 1.3M 3.22
Eqrx 0.1 $4.1M 1.0M 4.13
Kinnate Biopharma 0.1 $3.9M 344k 11.26
Phasebio Pharmaceuticals 0.1 $3.4M 2.6M 1.32
Travere Therapeutics Note 2.500% 9/1 (Principal) 0.1 $3.4M 3.3M 1.04
Reneo Pharmaceuticals (RPHM) 0.1 $3.4M 1.1M 2.94
Vigil Neuroscience (VIGL) 0.1 $3.3M 472k 7.03
Celldex Therapeutics Com New (CLDX) 0.1 $3.3M 97k 34.06
Spruce Biosciences (SPRB) 0.1 $3.3M 1.6M 2.01
Vincerx Pharma Com New (VINC) 0.1 $3.3M 814k 4.00
Essa Pharma Com New (EPIX) 0.1 $3.2M 525k 6.18
Bcls Acquisition Corp Com Cl A 0.1 $3.1M 309k 9.87
Tempest Therapeutics (TPST) 0.1 $2.8M 824k 3.38
F-star Therapeutics 0.1 $2.7M 752k 3.55
Prelude Therapeutics (PRLD) 0.1 $2.5M 369k 6.90
Jiya Acquisition Corp Com Cl A 0.1 $2.0M 206k 9.83
Acelrx Pharmaceuticals 0.0 $1.8M 6.3M 0.29
Imara 0.0 $1.6M 842k 1.88
Applied Therapeutics (APLT) 0.0 $1.5M 702k 2.11
Radius Health Note 3.000% 9/0 (Principal) 0.0 $1.5M 1.5M 0.99
Atreca Cl A Com (BCEL) 0.0 $1.5M 463k 3.17
Theravance Biopharma Note 3.250%11/0 (Principal) 0.0 $1.4M 1.5M 0.95
Shattuck Labs (STTK) 0.0 $1.3M 314k 4.26
Neurocrine Biosciences Note 2.250% 5/1 (Principal) 0.0 $1.3M 1.0M 1.32
Poseida Therapeutics I (PSTX) 0.0 $1.3M 290k 4.48
Nevro Corp Note 2.750% 4/0 (Principal) 0.0 $541k 500k 1.08
Nuvation Bio *w Exp 07/07/202 (NUVB.WS) 0.0 $108k 134k 0.81