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Siren, L.L.C.

Q4 2024 Holdings

Filed 2025-02-14 | 119 holdings | $2.3B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Scholar Rock Holding Corp(SRRK)COM80706P103$399.8M9,250,00517.7%
Beigene Ltd(ONC)SPONSORED ADR07725L102$120.7M653,7215.3%
Kymera Therapeutics Inc(KYMR)COM501575104$119.5M2,969,7335.3%
Apellis Pharmaceuticals Inc(APLS)COM03753U106$89.9M2,816,2584.0%
Crinetics Pharmaceuticals Inc(CRNX)COM22663K107$82.3M1,609,6523.6%
argenx SE(ARGX)SPONSORED ADR04016X101$70.8M115,0453.1%
Bicara Therapeutics Inc(BCAX)COM055477103$57.0M3,272,8272.5%
Arrowhead Pharmaceuticals Inc(ARWR)COM04280A100$54.6M2,901,6812.4%
NewAmsterdam Pharma Company NV(NAMS)ORDINARY SHARESN62509109$53.9M2,095,6382.4%
Septerna Inc(SEPN)COM81734D104$50.4M2,202,5142.2%
Centessa Pharmaceuticals PLC(CNTA)SPONSORED ADS152309100$50.3M3,004,6772.2%
SpringWorks Therapeutics IncCOM85205L107$49.8M1,377,7012.2%
Neumora Therapeutics Inc(NMRA)COM640979100$46.6M4,396,1002.1%
Wave Life Sciences Ltd(WVE)SHSY95308105$46.4M3,750,4912.0%
Ascendis Pharma A/S(ASND)SPONSORED ADR04351P101$40.9M297,3211.8%
Madrigal Pharmaceuticals Inc(MDGL)COM558868105$38.9M125,9421.7%
Taboola.com Ltd(TBLA)ORD SHSM8744T106$36.4M9,969,4951.6%
Apogee Therapeutics Inc(APGE)COM03770N101$33.9M747,3251.5%
Merus NVCOMN5749R100$33.0M784,4121.5%
Avidity Biosciences Inc(RNA)COM05370A108$32.8M1,127,2951.4%
Vera Therapeutics Inc(VERA)CL A92337R101$32.1M758,4651.4%
Dyne Therapeutics Inc(DYN)COM26818M108$31.7M1,347,4561.4%
Xenon Pharmaceuticals Inc(XENE)COM98420N105$29.2M743,7691.3%
Lexicon Pharmaceuticals Inc(LXRX)COM NEW528872302$28.8M38,918,9031.3%
Bicycle Therapeutics PLC(BCYC)SPONSORED ADS088786108$25.8M1,839,3981.1%
Revolution Medicines Inc(RVMD)COM76155X100$25.0M571,5481.1%
Vaxcyte Inc(PCVX)COM92243G108$24.6M299,9911.1%
Arcus Biosciences Inc(RCUS)COM03969F109$24.0M1,612,0771.1%
Erasca Inc(ERAS)COM29479A108$22.2M8,857,1791.0%
Stoke Therapeutics Inc(STOK)COM86150R107$22.1M2,000,0001.0%
IGM Biosciences Inc(1K0)COM449585108$20.3M3,330,4220.9%
Edgewise Therapeutics Inc(EWTX)COM28036F105$19.6M734,3430.9%
Silence Therapeutics PLC(SLN)ADS82686Q101$19.5M2,831,7700.9%
Cytokinetics Inc(CYTK)COM NEW23282W605$18.9M402,3230.8%
Denali Therapeutics Inc(DNLI)COM24823R105$17.0M834,0280.8%
Korro Bio Inc(KRRO)COM500946108$15.9M418,8330.7%
Soleno Therapeutics Inc(SLNO)COM834203309$15.8M351,8180.7%
Prothena Corporation PLC(PRTA)SHSG72800108$15.2M1,099,8400.7%
Solid Biosciences Inc(SLDB)COM NEW83422E204$15.0M3,749,0410.7%
Cullinan Therapeutics Inc(CGEM)COM230031106$14.8M1,211,3570.7%
Upstream Bio Inc(UPB)COM91678A107$13.2M800,0000.6%
Trevi Therapeutics Inc(TRVI)COM89532M101$12.0M2,906,0600.5%
Kura Oncology Inc(KURA)COM50127T109$11.7M1,339,9420.5%
Taysha Gene Therapies Inc(TSHA)COM SHS877619106$11.4M6,602,4750.5%
Remitly Global Inc(RELY)COM75960P104$11.1M490,4490.5%
Cartesian Therapeutics Inc(RNAC)COM NEW816212302$10.2M572,2360.5%
Microsoft Corp(MSFT)COM594918104$9.7M23,0000.4%
Janux Therapeutics Inc(JANX)COM47103J105$9.4M175,0000.4%
Seer Inc(SEER)COM CL A81578P106$9.2M4,000,0000.4%
Ionis Pharmaceuticals Inc(IONS)COM462222100$8.7M250,0000.4%
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