Rock Springs Capital Management

Rock Springs Capital Management as of June 30, 2020

Portfolio Holdings for Rock Springs Capital Management

Rock Springs Capital Management holds 143 positions in its portfolio as reported in the June 2020 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Neurocrine Biosciences (NBIX) 4.6 $167M 1.4M 122.00
UnitedHealth (UNH) 3.3 $120M 405k 294.95
Centene Corporation (CNC) 2.3 $84M 1.3M 63.55
Irhythm Technologies (IRTC) 2.1 $75M 651k 115.89
Blueprint Medicines (BPMC) 2.1 $75M 960k 78.00
Humana (HUM) 2.0 $74M 191k 387.75
Intuitive Surgical Com New (ISRG) 1.9 $68M 120k 569.83
Zai Lab Adr (ZLAB) 1.8 $67M 813k 82.13
Argenx Se Sponsored Adr (ARGX) 1.8 $65M 288k 225.23
Agios Pharmaceuticals (AGIO) 1.7 $63M 1.2M 53.48
Immunomedics 1.6 $60M 1.7M 35.44
Insulet Corporation (PODD) 1.6 $57M 293k 194.26
Baxter International (BAX) 1.5 $56M 645k 86.10
Sarepta Therapeutics (SRPT) 1.5 $55M 346k 160.34
Hca Holdings (HCA) 1.5 $53M 550k 97.06
Encompass Health Corp (EHC) 1.4 $52M 833k 61.93
ACADIA Pharmaceuticals (ACAD) 1.4 $51M 1.1M 48.47
Alnylam Pharmaceuticals (ALNY) 1.4 $51M 345k 148.11
Ultragenyx Pharmaceutical (RARE) 1.4 $51M 647k 78.22
Pacira Pharmaceuticals (PCRX) 1.3 $49M 925k 52.47
Biogen Idec (BIIB) 1.3 $48M 180k 267.55
BioMarin Pharmaceutical (BMRN) 1.3 $48M 388k 123.34
Novavax Com New (NVAX) 1.3 $48M 571k 83.35
Teleflex Incorporated (TFX) 1.3 $47M 130k 363.98
Nevro (NVRO) 1.3 $46M 386k 119.47
Invitae (NVTAQ) 1.3 $46M 1.5M 30.29
Mersana Therapeutics (MRSN) 1.2 $44M 1.9M 23.40
Seattle Genetics 1.2 $43M 250k 169.92
Portola Pharmaceuticals 1.1 $42M 2.3M 17.99
IDEXX Laboratories (IDXX) 1.1 $41M 125k 330.16
Beigene Sponsored Adr (BGNE) 1.1 $41M 215k 188.40
Edwards Lifesciences (EW) 1.1 $40M 582k 69.11
Freshpet (FRPT) 1.1 $40M 476k 83.66
Mirati Therapeutics 1.1 $40M 349k 114.17
Align Technology (ALGN) 1.1 $39M 143k 274.44
Boston Scientific Corporation (BSX) 1.1 $39M 1.1M 35.11
Penumbra (PEN) 1.0 $37M 207k 178.82
EXACT Sciences Corporation (EXAS) 1.0 $37M 424k 86.94
Vertex Pharmaceuticals Incorporated (VRTX) 1.0 $36M 125k 290.31
Coherus Biosciences (CHRS) 1.0 $36M 2.0M 17.86
Applied Therapeutics (APLT) 1.0 $36M 992k 36.15
Assembly Biosciences 1.0 $35M 1.5M 23.32
Ardelyx (ARDX) 1.0 $35M 5.0M 6.92
Galapagos Nv Spon Adr (GLPG) 0.9 $35M 175k 197.29
Epizyme 0.9 $34M 2.1M 16.06
Amarin Corp Spons Adr New (AMRN) 0.9 $32M 4.7M 6.92
Ascendis Pharma A S Sponsored Adr (ASND) 0.9 $32M 214k 147.90
Cigna Corp (CI) 0.8 $30M 161k 187.65
Amgen (AMGN) 0.8 $30M 126k 235.86
Madrigal Pharmaceuticals (MDGL) 0.8 $29M 254k 113.25
Adaptive Biotechnologies Cor (ADPT) 0.8 $28M 575k 48.38
Incyte Corporation (INCY) 0.7 $26M 250k 103.97
Mirum Pharmaceuticals (MIRM) 0.7 $26M 1.3M 19.46
Royalty Pharma Shs Cl A (RPRX) 0.7 $24M 500k 48.55
Inspire Med Sys (INSP) 0.6 $23M 265k 87.02
Karuna Therapeutics Ord 0.6 $23M 203k 111.46
Acadia Healthcare (ACHC) 0.6 $23M 900k 25.12
Retrophin 0.6 $21M 1.0M 20.41
Alexion Pharmaceuticals 0.6 $21M 184k 112.24
Collegium Pharmaceutical Inc Common Stock Usd (COLL) 0.6 $21M 1.2M 17.50
Aprea Therapeutics 0.6 $20M 518k 38.78
Adaptimmune Therapeutics Sponds Adr (ADAP) 0.5 $20M 2.0M 10.01
Cytokinetics Note 4.000%11/1 (Principal) 0.5 $19M 8.0M 2.39
Allogene Therapeutics (ALLO) 0.5 $19M 441k 42.82
Healthequity (HQY) 0.5 $19M 320k 58.67
Odonate Therapeutics Ord 0.5 $19M 437k 42.34
Phreesia (PHR) 0.5 $18M 652k 28.28
Uniqure Nv SHS (QURE) 0.5 $18M 407k 45.06
Global Blood Therapeutics In 0.5 $18M 288k 63.13
Theravance Biopharma (TBPH) 0.5 $17M 828k 20.99
Allakos (ALLK) 0.5 $17M 239k 71.86
Compugen Ord (CGEN) 0.5 $17M 1.1M 15.02
Myokardia 0.5 $17M 173k 96.62
Fusion Pharmaceuticals 0.4 $16M 937k 17.47
Arvinas Ord (ARVN) 0.4 $16M 482k 33.54
West Pharmaceutical Services (WST) 0.4 $16M 71k 227.17
Gossamer Bio Note 5.000% 6/0 (Principal) 0.4 $16M 16M 1.01
Constellation Pharmceticls I 0.4 $16M 516k 30.05
Guardant Health (GH) 0.4 $15M 190k 81.13
Amicus Therapeutics (FOLD) 0.4 $15M 1.0M 15.08
Covetrus 0.4 $15M 838k 17.89
Biohaven Pharmaceutical Holding 0.4 $15M 204k 73.11
Johnson & Johnson (JNJ) 0.4 $15M 105k 140.63
Gw Pharmaceuticals Ads 0.4 $15M 120k 122.72
Dynavax Technologies Corp Com New (DVAX) 0.4 $15M 1.7M 8.87
Aeglea Biotherapeutics 0.4 $15M 1.6M 9.25
Radius Health Com New 0.4 $14M 1.0M 13.63
Momenta Pharmaceuticals 0.4 $13M 400k 33.27
Tg Therapeutics (TGTX) 0.4 $13M 683k 19.48
Ppd 0.4 $13M 488k 26.80
CONMED Corporation (CNMD) 0.4 $13M 180k 71.99
Fibrogen (FGEN) 0.4 $13M 315k 40.53
Deciphera Pharmaceuticals 0.3 $13M 210k 59.72
Health Catalyst (HCAT) 0.3 $12M 425k 29.17
Translate Bio 0.3 $12M 661k 17.92
Bright Horizons Fam Sol In D (BFAM) 0.3 $12M 99k 117.20
Rhythm Pharmaceuticals (RYTM) 0.3 $11M 512k 22.30
Zogenix Com New 0.3 $11M 416k 27.01
Immunovant (IMVT) 0.3 $11M 452k 24.35
Rigel Pharmaceuticals Com New 0.3 $11M 5.9M 1.83
Myovant Sciences 0.3 $11M 508k 20.62
Novocure Ord Shs (NVCR) 0.3 $10M 175k 59.30
Prothena Corp SHS (PRTA) 0.3 $10M 989k 10.46
Imara 0.3 $10M 365k 27.63
Shockwave Med 0.3 $9.4M 198k 47.37
Gamida Cell SHS 0.3 $9.2M 2.0M 4.57
Legend Biotech Corp Sponsored Ads (LEGN) 0.2 $8.8M 206k 42.56
Paratek Pharmaceuticals 0.2 $8.6M 1.7M 5.22
Repare Therapeutics Ord (RPTX) 0.2 $8.5M 275k 31.02
Obseva Sa 0.2 $8.4M 1.4M 5.89
Spero Therapeutics (SPRO) 0.2 $8.3M 615k 13.53
Onespaworld Holdings Ltd onespaworld hold (OSW) 0.2 $8.3M 1.7M 4.77
Staar Surgical Com Par $0.01 (STAA) 0.2 $8.0M 130k 61.54
Chiasma 0.2 $7.5M 1.4M 5.38
Bellus Health Com New 0.2 $7.2M 696k 10.29
Ngm Biopharmaceuticals 0.2 $7.1M 357k 19.74
Igm Biosciences (IGMS) 0.2 $7.0M 95k 73.00
Anaptysbio Inc Common (ANAB) 0.2 $6.9M 307k 22.34
10x Genomics Cl A Com (TXG) 0.2 $6.8M 76k 89.32
Intersect Ent 0.2 $6.8M 500k 13.54
Macrogenics (MGNX) 0.2 $6.5M 235k 27.92
Xenon Pharmaceuticals (XENE) 0.2 $6.5M 516k 12.54
Trillium Therapeutics Com New 0.2 $6.2M 763k 8.09
Akero Therapeutics (AKRO) 0.2 $6.1M 243k 24.92
Insmed Note 1.750% 1/1 (Principal) 0.2 $5.9M 6.0M 0.98
Passage Bio (PASG) 0.2 $5.6M 203k 27.33
Burning Rock Biotech Sponsored Ads 0.1 $5.4M 200k 27.01
Homology Medicines 0.1 $5.3M 352k 15.19
Phasebio Pharmaceuticals 0.1 $5.3M 1.1M 4.60
Galera Therapeutics (GRTX) 0.1 $4.1M 568k 7.14
Inari Medical Ord (NARI) 0.1 $3.9M 80k 48.44
Global Cord Blood Corporatio SHS (CORBF) 0.1 $2.9M 925k 3.10
Retrophin Note 2.500% 9/1 (Principal) 0.1 $2.7M 3.3M 0.83
Aclaris Therapeutics (ACRS) 0.1 $2.7M 1.6M 1.62
Five Prime Therapeutics 0.1 $2.5M 407k 6.10
Cytokinetics Com New (CYTK) 0.1 $1.8M 77k 23.57
Neurocrine Biosciences Note 2.250% 5/1 (Principal) 0.0 $1.7M 1.0M 1.67
Theravance Biopharma Note 3.250%11/0 (Principal) 0.0 $1.5M 1.5M 0.97
Radius Health Note 3.000% 9/0 (Principal) 0.0 $1.1M 1.5M 0.74
Pacira Biosciences Note 2.375% 4/0 (Principal) 0.0 $1.1M 1.0M 1.09
Nabriva Therapeutics SHS 0.0 $720k 1.1M 0.67
Nevro Corp Note 2.750% 4/0 (Principal) 0.0 $683k 500k 1.37
Bristol-myers Squibb Right 99/99/9999 0.0 $663k 185k 3.58