Q3 2024 · 13F-HR
Rock Springs Capital Management LPholdings as filed
Filed 2024-11-14 · accession 0001172661-24-004721
$3.07B
Reported value
109
Positions
2024-09-30
Period end
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 91324P102 | UNH | UNITEDHEALTH GROUP INC | $172.0M | 5.60% | 294,250 | Common | SOLE |
| 46120E602 | ISRG | INTUITIVE SURGICAL INC | $132.6M | 4.32% | 270,000 | Common | SOLE |
| 04016X101 | ARGX | ARGENX SE | $126.6M | 4.12% | 233,500 | Common | SOLE |
| 532457108 | LLY | ELI LILLY & CO | $125.8M | 4.09% | 142,000 | Common | SOLE |
| 90400D108 | RARE | ULTRAGENYX PHARMACEUTICAL IN | $109.9M | 3.58% | 1,978,272 | Common | SOLE |
| 64125C109 | NBIX | NEUROCRINE BIOSCIENCES INC | $108.2M | 3.52% | 939,000 | Common | SOLE |
| 30063P105 | EXK | EXACT SCIENCES CORP | $78.2M | 2.54% | 1,147,500 | Common | SOLE |
| 09627Y109 | 2655787D | BLUEPRINT MEDICINES CORP | $71.1M | 2.31% | 768,776 | Common | SOLE |
| 02043Q107 | ALNY | ALNYLAM PHARMACEUTICALS INC | $68.8M | 2.24% | 250,000 | Common | SOLE |
| 89422G107 | TVTX | TRAVERE THERAPEUTICS INC | $65.5M | 2.13% | 4,684,476 | Common | SOLE |
| 76243J105 | RYTM | RHYTHM PHARMACEUTICALS INC | $64.3M | 2.09% | 1,228,093 | Common | SOLE |
| 604749101 | MIRM | MIRUM PHARMACEUTICALS INC | $61.6M | 2.01% | 1,580,488 | Common | SOLE |
| 358039105 | FRPT | FRESHPET INC | $61.1M | 1.99% | 446,500 | Common | SOLE |
| 30050B101 | EVH | EVOLENT HEALTH INC | $58.5M | 1.90% | 2,070,000 | Common | SOLE |
| 558868105 | MDGL | MADRIGAL PHARMACEUTICALS INC | $55.8M | 1.82% | 263,062 | Common | SOLE |
| 71944F106 | PHR | PHREESIA INC | $52.0M | 1.69% | 2,282,500 | Common | SOLE |
| 98420N105 | XENE | XENON PHARMACEUTICALS INC | $51.8M | 1.69% | 1,316,477 | Common | SOLE |
| 00404A109 | ACHC | ACADIA HEALTHCARE COMPANY IN | $51.7M | 1.68% | 815,000 | Common | SOLE |
| 70975L107 | PEN | PENUMBRA INC | $51.5M | 1.68% | 265,000 | Common | SOLE |
| 955306105 | WST | WEST PHARMACEUTICAL SVSC INC | $50.4M | 1.64% | 167,750 | Common | SOLE |
| 457669307 | INSM | INSMED INC | $49.9M | 1.62% | 683,344 | Common | SOLE |
| 501575104 | KYMR | KYMERA THERAPEUTICS INC | $49.7M | 1.62% | 1,049,386 | Common | SOLE |
| 04351P101 | ASNDUSD | ASCENDIS PHARMA A/S | $48.5M | 1.58% | 325,000 | Common | SOLE |
| 444859102 | HUM | HUMANA INC | $46.9M | 1.53% | 148,000 | Common | SOLE |
| 86366E106 | GPCR | STRUCTURE THERAPEUTICS INC | $46.7M | 1.52% | 1,063,910 | Common | SOLE |
| 76155X100 | RVMD | REVOLUTION MEDICINES INC | $45.8M | 1.49% | 1,009,945 | Common | SOLE |
| N5749R100 | 2GH | MERUS N V | $44.6M | 1.45% | 892,549 | Common | SOLE |
| 670703107 | NUVL | NUVALENT INC | $44.0M | 1.43% | 429,994 | Common | SOLE |
| 589492107 | MREO | MEREO BIOPHARMA GROUP PLC | $39.2M | 1.27% | 9,534,170 | Common | SOLE |
| 101137107 | BSX | BOSTON SCIENTIFIC CORP | $38.5M | 1.25% | 460,000 | Common | SOLE |
| 803607100 | SRPT | SAREPTA THERAPEUTICS INC | $38.4M | 1.25% | 307,500 | Common | SOLE |
| 28176E108 | EW | EDWARDS LIFESCIENCES CORP | $38.1M | 1.24% | 576,900 | Common | SOLE |
| 15117B202 | CLDX | CELLDEX THERAPEUTICS INC NEW | $37.5M | 1.22% | 1,103,778 | Common | SOLE |
| 00857U107 | — | AGILON HEALTH INC | $35.8M | 1.16% | 9,096,800 | Common | SOLE |
| 252131107 | DXCM | DEXCOM INC | $35.1M | 1.14% | 524,000 | Common | SOLE |
| 45258J102 | IMVT | IMMUNOVANT INC | $34.8M | 1.13% | 1,221,309 | Common | SOLE |
| 98887Q104 | ZLAB | ZAI LAB LTD | $31.8M | 1.03% | 1,315,673 | Common | SOLE |
| 45784P101 | PODD | INSULET CORP | $31.2M | 1.01% | 134,000 | Common | SOLE |
| 00847X104 | AGIO | AGIOS PHARMACEUTICALS INC | $31.1M | 1.01% | 699,389 | Common | SOLE |
| 450056106 | IRTC | IRHYTHM TECHNOLOGIES INC | $29.5M | 0.96% | 397,500 | Common | SOLE |
| 016255101 | ALGN | ALIGN TECHNOLOGY INC | $29.1M | 0.95% | 114,500 | Common | SOLE |
| 09058V103 | BCRX | BIOCRYST PHARMACEUTICALS INC | $27.5M | 0.90% | 3,622,358 | Common | SOLE |
| 457730109 | INSP | INSPIRE MED SYS INC | $27.4M | 0.89% | 130,000 | Common | SOLE |
| 00973Y108 | AKRO | AKERO THERAPEUTICS INC | $26.8M | 0.87% | 933,399 | Common | SOLE |
| 114340102 | AZTA | AZENTA INC | $25.8M | 0.84% | 532,500 | Common | SOLE |
| 52490G102 | LEGN | LEGEND BIOTECH CORP | $24.8M | 0.81% | 508,932 | Common | SOLE |
| 93403J106 | WRBY | WARBY PARKER INC | $23.5M | 0.76% | 1,439,050 | Common | SOLE |
| 86627T108 | SMMT | SUMMIT THERAPEUTICS INC | $22.8M | 0.74% | 1,040,000 | Common | SOLE |
| 53228F101 | LFST | LIFESTANCE HEALTH GROUP INC | $21.7M | 0.71% | 3,101,000 | Common | SOLE |
| 687793109 | OSCR | OSCAR HEALTH INC | $21.5M | 0.70% | 1,011,400 | Common | SOLE |
| 45790W108 | — | INOZYME PHARMA INC | $19.9M | 0.65% | 3,802,883 | Common | SOLE |
| 92337R101 | VERA | VERA THERAPEUTICS INC | $17.0M | 0.55% | 383,492 | Common | SOLE |
| 26818M108 | DYN | DYNE THERAPEUTICS INC | $16.6M | 0.54% | 461,028 | Common | SOLE |
| 670100205 | NVO | NOVO-NORDISK A S | $15.7M | 0.51% | 132,000 | Common | SOLE |
| 98937L105 | ZBIO | ZENAS BIOPHARMA INC | $14.9M | 0.48% | 878,667 | Common | SOLE |
| 03828A101 | APLT | APPLIED THERAPEUTICS INC | $14.8M | 0.48% | 1,746,449 | Common | SOLE |
| 22663K107 | CRNX | CRINETICS PHARMACEUTICALS IN | $14.8M | 0.48% | 289,400 | Common | SOLE |
| N69605108 | PHVS | PHARVARIS N V | $14.0M | 0.46% | 756,931 | Common | SOLE |
| 03152W109 | AM6 | AMICUS THERAPEUTICS INC | $13.4M | 0.43% | 1,250,280 | Common | SOLE |
| 478160104 | JNJ | JOHNSON & JOHNSON | $13.0M | 0.42% | 80,000 | Common | SOLE |
| 230031106 | CGEM | CULLINAN THERAPEUTICS INC | $12.3M | 0.40% | 736,914 | Common | SOLE |
| 055477103 | BCAX | BICARA THERAPEUTICS INC | $11.4M | 0.37% | 445,975 | Common | SOLE |
| 29337E102 | ELVN | ENLIVEN THERAPEUTICS INC | $10.9M | 0.36% | 428,571 | Common | SOLE |
| 640979100 | NMRA | NEUMORA THERAPEUTICS INC. | $10.9M | 0.36% | 828,101 | Common | SOLE |
| 23282W605 | CYTK | CYTOKINETICS INC | $10.9M | 0.35% | 206,108 | Common | SOLE |
| 09061G101 | BMRN | BIOMARIN PHARMACEUTICAL INC | $10.6M | 0.35% | 151,000 | Common | SOLE |
| G72800108 | PRTA | PROTHENA CORP PLC | $10.5M | 0.34% | 625,048 | Common | SOLE |
| 20454B104 | CMPX | COMPASS THERAPEUTICS INC | $10.4M | 0.34% | 5,629,239 | Common | SOLE |
| 501147102 | KRYS | KRYSTAL BIOTECH INC | $10.2M | 0.33% | 55,861 | Common | SOLE |
| 05156V102 | AUPH | AURINIA PHARMACEUTICALS INC | $8.6M | 0.28% | 1,179,740 | Common | SOLE |
| 471871202 | JSPR | JASPER THERAPEUTICS INC | $8.6M | 0.28% | 459,088 | Common | SOLE |
| 670002401 | NVAX | NOVAVAX INC | $8.2M | 0.27% | 650,000 | Common | SOLE |
| 98401F105 | XNCR | XENCOR INC | $8.1M | 0.26% | 401,013 | Common | SOLE |
| 64157F103 | NVROEUR | NEVRO CORP | $7.7M | 0.25% | 1,381,500 | Common | SOLE |
| 268158201 | DVAX | DYNAVAX TECHNOLOGIES CORP | $6.7M | 0.22% | 605,013 | Common | SOLE |
| 85205L107 | SWTXUSD | SPRINGWORKS THERAPEUTICS INC | $6.4M | 0.21% | 199,855 | Common | SOLE |
| G1110E107 | BHVN | BIOHAVEN LTD | $6.4M | 0.21% | 127,558 | Common | SOLE |
| 07373V105 | BEAM | BEAM THERAPEUTICS INC | $6.1M | 0.20% | 249,923 | Common | SOLE |
| 695127100 | PCRX | PACIRA BIOSCIENCES INC | $6.0M | 0.20% | 400,000 | Common | SOLE |
| N62509109 | NAMS | NEWAMSTERDAM PHARMA COMPANY | $5.9M | 0.19% | 353,319 | Common | SOLE |
| 59045L106 | — | MERSANA THERAPEUTICS INC | $5.8M | 0.19% | 3,046,782 | Common | SOLE |
| 745848101 | LUNG | PULMONX CORP | $5.7M | 0.19% | 691,300 | Common | SOLE |
| 00509G209 | ABOS | ACUMEN PHARMACEUTICALS INC | $5.7M | 0.19% | 2,300,059 | Common | SOLE |
| 46489V302 | CATX | PERSPECTIVE THERAPEUTICS INC | $5.5M | 0.18% | 414,396 | Common | SOLE |
| 38341PAA0 | GOSS 5 06/01/27 | GOSSAMER BIO INC | $5.0M | 0.16% | 9,573,000 | Common | SOLE |
| 729139105 | PLRX | PLIANT THERAPEUTICS INC | $4.3M | 0.14% | 384,996 | Common | SOLE |
| 29668H708 | EPIEUR | ESSA PHARMA INC | $4.1M | 0.13% | 677,005 | Common | SOLE |
| 268311107 | EDAP | EDAP TMS S A | $4.0M | 0.13% | 1,568,000 | Common | SOLE |
| 05280R100 | AUTL | AUTOLUS THERAPEUTICS PLC | $3.7M | 0.12% | 1,032,988 | Common | SOLE |
| 556099109 | MGNX | MACROGENICS INC | $3.5M | 0.11% | 1,053,647 | Common | SOLE |
| 52187K200 | CYPH | LEAP THERAPEUTICS INC | $3.3M | 0.11% | 1,266,546 | Common | SOLE |
| 38341P102 | GOSS | GOSSAMER BIO INC | $3.2M | 0.10% | 3,266,960 | Common | SOLE |
| 00461U105 | ACRS | ACLARIS THERAPEUTICS INC | $3.2M | 0.10% | 2,753,495 | Common | SOLE |
| 98422T100 | — | XILIO THERAPEUTICS INC | $2.4M | 0.08% | 3,003,259 | Common | SOLE |
| 03753U106 | APLSUSD | APELLIS PHARMACEUTICALS INC | $2.3M | 0.08% | 80,000 | Common | SOLE |
| 00653A107 | ADAPY | ADAPTIMMUNE THERAPEUTICS PLC | $2.3M | 0.07% | 2,425,468 | Common | SOLE |
| 786700104 | SGMT | SAGIMET BIOSCIENCES INC | $2.2M | 0.07% | 787,808 | Common | SOLE |
| 09077A106 | BMEA | BIOMEA FUSION INC | $1.8M | 0.06% | 181,147 | Common | SOLE |
| M25722105 | CGEN | COMPUGEN LTD | $1.8M | 0.06% | 989,990 | Common | SOLE |
| 92673K108 | VIGL | VIGIL NEUROSCIENCE INC | $1.6M | 0.05% | 471,958 | Common | SOLE |
| 85209E109 | — | SPRUCE BIOSCIENCES INC | $1.2M | 0.04% | 2,609,125 | Common | SOLE |
| 500946108 | KRRO | KORRO BIO INC | $1.2M | 0.04% | 35,719 | Common | SOLE |
| 501976104 | KYTX | KYVERNA THERAPEUTICS INC | $875,129 | 0.03% | 178,963 | Common | SOLE |
| 01671P100 | ALLKGUSD | ALLAKOS INC | $784,107 | 0.03% | 1,200,409 | Common | SOLE |
| 92731L106 | — | VINCERX PHARMA INC | $638,471 | 0.02% | 891,719 | Common | SOLE |
| 00437E102 | ACCDUSD | ACCOLADE INC | $616,835 | 0.02% | 160,217 | Common | SOLE |
| 64157FAC7 | — | NEVRO CORP | $483,623 | 0.02% | 500,000 | Common | SOLE |
| 00444T209 | TLPH | TALPHERA INC | $271,080 | 0.01% | 316,460 | Common | SOLE |
| 67080N119 | NUVB/WS | NUVATION BIO INC | $13,121 | 0.00% | 134,028 | Common | SOLE |
Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.