Rock Springs Capital Management

Rock Springs Capital Management as of Dec. 31, 2022

Portfolio Holdings for Rock Springs Capital Management

Rock Springs Capital Management holds 120 positions in its portfolio as reported in the December 2022 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Humana (HUM) 5.3 $218M 427k 512.19
Immunocore Hldgs Ads (IMCR) 4.6 $190M 3.3M 57.07
Insulet Corporation (PODD) 3.7 $154M 524k 294.39
UnitedHealth (UNH) 3.4 $143M 270k 530.18
Neurocrine Biosciences (NBIX) 3.2 $134M 1.1M 119.44
Argenx Se Sponsored Adr (ARGX) 3.2 $133M 350k 378.83
Agilon Health (AGL) 3.1 $127M 7.9M 16.14
Prometheus Biosciences 2.7 $114M 1.0M 110.00
Penumbra (PEN) 2.7 $113M 508k 222.46
Evolent Health Cl A (EVH) 2.6 $107M 3.8M 28.08
Madrigal Pharmaceuticals (MDGL) 2.4 $101M 348k 290.25
IDEXX Laboratories (IDXX) 2.0 $85M 208k 407.96
Horizon Therapeutics Pub L SHS 2.0 $84M 740k 113.80
Agios Pharmaceuticals (AGIO) 2.0 $84M 3.0M 28.08
Blueprint Medicines (BPMC) 2.0 $83M 1.9M 43.81
Karuna Therapeutics Ord 2.0 $81M 414k 196.50
Intuitive Surgical Com New (ISRG) 1.9 $79M 299k 265.35
Cerevel Therapeutics Hldng I (CERE) 1.9 $79M 2.5M 31.54
Alnylam Pharmaceuticals (ALNY) 1.9 $79M 333k 237.65
Akero Therapeutics (AKRO) 1.8 $77M 1.4M 54.80
Acadia Healthcare (ACHC) 1.7 $70M 846k 82.32
Align Technology (ALGN) 1.5 $64M 302k 210.90
Aclaris Therapeutics (ACRS) 1.5 $62M 4.0M 15.75
Ultragenyx Pharmaceutical (RARE) 1.4 $60M 1.3M 46.33
Baxter International (BAX) 1.4 $59M 1.2M 50.97
Sarepta Therapeutics (SRPT) 1.4 $57M 436k 129.58
Dex (DXCM) 1.3 $56M 491k 113.24
Ascendis Pharma A/s Sponsored Adr (ASND) 1.3 $52M 426k 122.13
Seagen 1.2 $51M 400k 128.51
Rhythm Pharmaceuticals (RYTM) 1.2 $51M 1.8M 29.12
Edwards Lifesciences (EW) 1.2 $48M 646k 74.61
Xenon Pharmaceuticals (XENE) 1.1 $46M 1.2M 39.43
Amylyx Pharmaceuticals (AMLX) 1.1 $45M 1.2M 36.95
Prothena Corp SHS (PRTA) 1.1 $45M 754k 60.25
EXACT Sciences Corporation (EXAS) 1.1 $44M 888k 49.51
West Pharmaceutical Services (WST) 1.1 $44M 186k 235.35
Nevro (NVRO) 1.0 $43M 1.1M 39.60
Phreesia (PHR) 1.0 $42M 1.3M 32.36
Pacira Pharmaceuticals (PCRX) 1.0 $40M 1.0M 38.61
Olink Hldg Ab Sponsored Ads (OLK) 0.9 $37M 1.4M 25.38
Mirati Therapeutics 0.9 $37M 805k 45.31
Mirum Pharmaceuticals (MIRM) 0.8 $35M 1.8M 19.50
Freshpet (FRPT) 0.8 $35M 657k 52.77
Abcam Ads 0.8 $34M 2.2M 15.56
Zai Lab Adr (ZLAB) 0.8 $33M 1.1M 30.70
Kymera Therapeutics (KYMR) 0.7 $31M 1.2M 24.96
Irhythm Technologies (IRTC) 0.7 $29M 310k 93.67
BioMarin Pharmaceutical (BMRN) 0.7 $27M 265k 103.49
Select Sector Spdr Tr Sbi Healthcare (XLV) 0.7 $27M 200k 135.85
Compass Therapeutics (CMPX) 0.6 $27M 5.3M 5.03
Mersana Therapeutics (MRSN) 0.6 $24M 4.1M 5.86
Shockwave Med 0.6 $24M 115k 205.61
Legend Biotech Corp Sponsored Ads (LEGN) 0.5 $23M 451k 49.92
BioCryst Pharmaceuticals (BCRX) 0.5 $22M 1.9M 11.48
Brooks Automation (AZTA) 0.5 $21M 352k 58.22
Cytokinetics Com New (CYTK) 0.5 $20M 443k 45.82
Travere Therapeutics (TVTX) 0.5 $20M 952k 21.03
Immatics SHS (IMTX) 0.5 $20M 2.3M 8.71
Dynavax Technologies Corp Com New (DVAX) 0.5 $19M 1.8M 10.64
Celldex Therapeutics Com New (CLDX) 0.5 $19M 422k 44.57
CONMED Corporation (CNMD) 0.4 $18M 205k 88.64
Anaptysbio Inc Common (ANAB) 0.4 $18M 577k 30.99
Collegium Pharmaceutical Inc Common Stock Usd (COLL) 0.4 $17M 725k 23.20
Warby Parker Cl A Com (WRBY) 0.4 $16M 1.2M 13.49
Accolade (ACCD) 0.4 $15M 1.9M 7.79
Cincor Pharma 0.3 $14M 1.1M 12.29
Lifestance Health Group (LFST) 0.3 $13M 2.7M 4.94
Chinook Therapeutics 0.3 $13M 508k 26.20
Amicus Therapeutics (FOLD) 0.3 $13M 1.1M 12.21
Verve Therapeutics (VERV) 0.3 $11M 559k 19.35
Aura Biosciences (AURA) 0.3 $11M 1.0M 10.50
Relay Therapeutics (RLAY) 0.2 $10M 674k 14.94
Health Catalyst (HCAT) 0.2 $9.9M 930k 10.63
Edap Tms S A Sponsored Adr (EDAP) 0.2 $9.7M 910k 10.66
Amryt Pharma Sponsored Ads 0.2 $9.7M 1.3M 7.30
Biohaven (BHVN) 0.2 $9.3M 669k 13.88
Novocure Ord Shs (NVCR) 0.2 $9.2M 125k 73.35
Macrogenics (MGNX) 0.2 $7.5M 1.1M 6.71
Disc Medicine (IRON) 0.2 $6.8M 340k 19.89
Icosavax 0.1 $6.2M 781k 7.94
Biomea Fusion (BMEA) 0.1 $6.2M 731k 8.43
Vigil Neuroscience (VIGL) 0.1 $5.9M 472k 12.50
Invitae (NVTAQ) 0.1 $5.8M 3.1M 1.86
Pulmonx Corp (LUNG) 0.1 $5.5M 652k 8.43
Novavax Com New (NVAX) 0.1 $5.5M 533k 10.28
Guardant Health (GH) 0.1 $5.4M 200k 27.20
Gamida Cell SHS 0.1 $5.3M 4.1M 1.29
F-star Therapeutics 0.1 $4.8M 752k 6.32
Design Therapeutics (DSGN) 0.1 $4.7M 460k 10.26
Mereo Biopharma Group Spon Ads (MREO) 0.1 $4.7M 6.2M 0.75
Kinnate Biopharma 0.1 $4.6M 747k 6.10
Beam Therapeutics (BEAM) 0.1 $4.4M 111k 39.11
Adaptimmune Therapeutics Sponds Adr (ADAP) 0.1 $3.9M 2.7M 1.46
Altimmune Com New (ALT) 0.1 $3.7M 223k 16.45
Xilio Therapeutics (XLO) 0.1 $3.7M 1.4M 2.69
Paratek Pharmaceuticals 0.1 $3.2M 1.7M 1.87
Inozyme Pharma (INZY) 0.1 $3.2M 3.1M 1.05
Gossamer Bio Note 5.000% 6/0 (Principal) 0.1 $3.1M 9.6M 0.32
Travere Therapeutics Note 2.500% 9/1 (Principal) 0.1 $3.0M 3.3M 0.92
Fulcrum Therapeutics (FULC) 0.1 $2.8M 385k 7.28
Reneo Pharmaceuticals (RPHM) 0.1 $2.7M 1.1M 2.33
Nkarta (NKTX) 0.1 $2.4M 393k 5.99
Theseus Pharmaceuticals 0.1 $2.2M 437k 4.98
Aurinia Pharmaceuticals (AUPH) 0.0 $2.1M 480k 4.32
Spruce Biosciences (SPRB) 0.0 $1.8M 1.6M 1.10
Leap Therapeutics 0.0 $1.6M 3.7M 0.45
Neurocrine Biosciences Note 2.250% 5/1 (Principal) 0.0 $1.6M 1.0M 1.59
Aeglea Biotherapeutics 0.0 $1.5M 3.4M 0.45
Essa Pharma Com New (EPIX) 0.0 $1.3M 525k 2.52
Spero Therapeutics (SPRO) 0.0 $1.2M 670k 1.73
Fate Therapeutics (FATE) 0.0 $1.1M 110k 10.09
Tempest Therapeutics (TPST) 0.0 $947k 824k 1.15
Compugen Ord (CGEN) 0.0 $923k 1.3M 0.72
Vincerx Pharma Com New (VINC) 0.0 $910k 892k 1.02
Gossamer Bio (GOSS) 0.0 $816k 376k 2.17
Acelrx Pharmaceuticals Com New (TLPH) 0.0 $715k 317k 2.26
Nevro Corp Note 2.750% 4/0 (Principal) 0.0 $459k 500k 0.92
Applied Therapeutics (APLT) 0.0 $454k 597k 0.76
Atreca Cl A Com (BCEL) 0.0 $290k 363k 0.80
Nuvation Bio *w Exp 07/07/202 (NUVB.WS) 0.0 $19k 134k 0.14