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Siren, L.L.C.

Q2 2026 Holdings

Filed 2026-08-13 | 119 holdings | $4.9B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↑Shares% Portfolio
Solid Biosciences Inc(SLDB)COM NEW83422E204$76.8M7,690,4051.6%
Xenon Pharmaceuticals Inc(XENE)COM98420N105$79.6M1,318,5641.6%
Parabilis Medicines Inc(PBLS)COM698955101$81.9M2,992,2591.7%
Spyre Therapeutics Inc(SYRE)COM NEW00773J202$86.0M968,5981.7%
Enliven Therapeutics Inc(ELVN)COM29337E102$90.1M1,774,4111.8%
Lexicon Pharmaceuticals Inc(LXRX)COM NEW528872302$106.3M44,303,5182.2%
Rhythm Pharmaceuticals Inc(RYTM)COM76243J105$126.2M1,136,2752.6%
Edgewise Therapeutics Inc(EWTX)COM28036F105$129.4M3,184,6292.6%
BeOne Medicines AG(ONC)SPONSORED ADS07725L102$132.5M465,0002.7%
Arrowhead Pharmaceuticals Inc(ARWR)COM04280A100$139.8M1,715,4762.8%
Bicara Therapeutics Inc(BCAX)COM055477103$166.4M5,602,9703.4%
Revolution Medicines Inc(RVMD)COM76155X100$168.6M900,0003.4%
Tango Therapeutics Inc(TNGX)COM87583X109$193.2M6,179,3643.9%
Veradermics Inc(MANE)COMMON STOCK922967104$203.5M1,655,3744.1%
Erasca Inc(ERAS)COM29479A108$208.8M11,397,7814.2%
Kymera Therapeutics Inc(KYMR)COM501575104$336.7M2,935,8306.8%
Scholar Rock Holding Corp(SRRK)COM80706P103$526.6M9,575,01310.7%
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