Siren, L.L.C.

Siren, L.L.C. reported 119 holdings worth US$4.94B as of Jun 30, 2026 (Form 13F)

As of Jun 30, 2026 · Filed Aug 13, 2026

Siren, L.L.C. reported 119 holdings worth US$4.94B as of Jun 30, 2026. Largest: Scholar Rock Holding Corporation, Kymera Therapeutics, Inc. and Erasca, Inc. Filed Aug 13, 2026 (Form 13F).

Holdings
119
Value as reported
US$4.94B

The filing in full

CompanySharesValue as reported% of portfolio
Scholar Rock Holding Corporation9.58MUS$527M10.7%
Kymera Therapeutics, Inc.2.94MUS$337M6.8%
Erasca, Inc.11.4MUS$209M4.2%
Veradermics, Incorporated1.66MUS$204M4.1%
Tango Therapeutics, Inc.6.18MUS$193M3.9%
Revolution Medicines, Inc.900KUS$169M3.4%
Bicara Therapeutics Inc.5.6MUS$166M3.4%
Arrowhead Pharmaceuticals, Inc.1.72MUS$140M2.8%
Beone Medicines Ltd. Class A465KUS$133M2.7%
Edgewise Therapeutics, Inc.3.18MUS$129M2.6%
Rhythm Pharmaceuticals, Inc.1.14MUS$126M2.6%
Lexicon Pharmaceuticals, Inc.44.3MUS$106M2.2%
Enliven Therapeutics, Inc.1.77MUS$90.1M1.8%
Spyre Therapeutics, Inc.969KUS$86M1.7%
Parabilis Medicines, Inc.2.99MUS$81.9M1.7%
Xenon Pharmaceuticals Inc.1.32MUS$79.6M1.6%
Solid Biosciences Inc.7.69MUS$76.8M1.6%
Abivax Sa576KUS$76.8M1.6%
Hemab Therapeutics Holdings, Inc.2.09MUS$76.6M1.6%
Arcus Biosciences, Inc.2.42MUS$74.6M1.5%
Cogent Biosciences, Inc.1.86MUS$72M1.5%
Relay Therapeutics, Inc.3.65MUS$68.3M1.4%
Taysha Gene Therapies, Inc.9.85MUS$67.1M1.4%
Definium Therapeutics, Inc.1.42MUS$66.8M1.4%
Stoke Therapeutics, Inc.2MUS$65.3M1.3%
Disc Medicine, Inc.888KUS$65M1.3%
Cytokinetics, Incorporated759KUS$64.7M1.3%
Septerna, Inc.1.9MUS$63.6M1.3%
Olema Pharmaceuticals, Inc.4.86MUS$60.8M1.2%
Crinetics Pharmaceuticals, Inc.1.42MUS$53.2M1.1%
Kailera Therapeutics, Inc.2.21MUS$48.8M0.99%
Dyne Therapeutics, Inc.2.13MUS$47.3M0.96%
Palvella Therapeutics, Inc.257KUS$39.3M0.80%
Denali Therapeutics Inc.1.4MUS$35.9M0.73%
Remitly Global, Inc.1.54MUS$34.6M0.70%
Cullinan Therapeutics, Inc.1.89MUS$34.5M0.70%
Capital One Financial Corporation172KUS$34.4M0.70%
Trevi Therapeutics, Inc.1.79MUS$33.3M0.67%
Oric Pharmaceuticals, Inc.3MUS$32.5M0.66%
Alphabet Inc (google) Class C90,000US$32.2M0.65%
Dbv Technologies Sa1.86MUS$30.5M0.62%
Absci Corporation2.47MUS$28.7M0.58%
Sionna Therapeutics, Inc.611KUS$26.9M0.54%
Rapport Therapeutics, Inc.641KUS$26.7M0.54%
Amylyx Pharmaceuticals, Inc.1.48MUS$26.6M0.54%
Annexon, Inc.4.46MUS$25.5M0.52%
Monopar Therapeutics Inc.270KUS$25M0.51%
Oruka Therapeutics, Inc.250KUS$23.8M0.48%
Seaport Therapeutics, Inc.1.1MUS$23.8M0.48%
Damora Therapeutics, Inc.900KUS$23.4M0.47%
Tyra Biosciences, Inc.725KUS$23.2M0.47%
Zura Bio Limited3.73MUS$22M0.45%
Taiwan Semiconductor Manufacturing Co., Ltd.44,700US$21.3M0.43%
Nvidia Corporation95,000US$19M0.38%
Rezolute, Inc.3.33MUS$17.3M0.35%
Maplight Therapeutics, Inc.450KUS$16.1M0.33%
Neumora Therapeutics, Inc.8.5MUS$14.4M0.29%
Microsoft Corp.37,500US$14M0.28%
Cytomx Therapeutics, Inc.3.46MUS$13M0.26%
Generate Biomedicines, Inc.736KUS$12.4M0.25%
Inhibikase Therapeutics, Inc.5.85MUS$11.9M0.24%
Whitehawk Therapeutics, Inc.2.34MUS$10.7M0.22%
Datadog, Inc.40,000US$10.4M0.21%
Servicenow, Inc.100KUS$9.93M0.20%
Broadcom Inc.25,000US$9.44M0.19%
Ionq, Inc.170KUS$9.05M0.18%
Amazon.com, Inc.32,500US$7.75M0.16%
Crowdstrike Holdings, Inc.10,000US$7.63M0.15%
Design Therapeutics, Inc.523KUS$7.57M0.15%
Satellos Bioscience Inc892KUS$6.94M0.14%
Dynatrace, Inc.155KUS$6.81M0.14%
Tenax Therapeutics, Inc.427KUS$6.21M0.13%
Vtv Therapeutics Inc.163KUS$6.14M0.12%
Eloxx Pharmaceuticals, Inc.400KUS$5.55M0.11%
Korro Bio, Inc.348KUS$4.58M0.09%
Invivyd, Inc.5MUS$4.36M0.09%
Ouster, Inc.67,500US$4.22M0.09%
Palisade Bio, Inc.2MUS$4.18M0.08%
Aeva Technologies, Inc.145KUS$4.18M0.08%
Seer, Inc.2.46MUS$4.08M0.08%
Gitlab Inc.125KUS$3.82M0.08%
Odyssey Therapeutics, Inc.200KUS$3.74M0.08%
Foghorn Therapeutics Inc.721KUS$3.52M0.07%
Agenus Inc.1.06MUS$3.26M0.07%
Zoetis Inc.35,000US$2.52M0.05%
Workiva Inc.45,000US$2.18M0.04%
Netflix, Inc.25,000US$1.78M0.04%
Kalaris Therapeutics, Inc.436KUS$1.77M0.04%
Quantinuum Inc.20,000US$1.63M0.03%
Rani Therapeutics Holdings, Inc.2MUS$1.52M0.03%
Tesla, Inc.3,500US$1.47M0.03%
Ke Holdings, Inc. Class A100KUS$1.45M0.03%
Medline Inc.25,000US$986K0.02%
Lumentum Holdings Inc.1,055US$905K0.02%
Figma Inc50,000US$905K0.02%
Gossamer Bio, Inc.5.21MUS$857K0.02%
Fox Corporation10,000US$522K0.01%
At&t Inc.25,000US$518K0.01%
Nu Holdings Ltd.25,000US$334K<0.01%
Amer Sports, Inc.0US$00.00%

Every holding of Siren, L.L.C.

Source

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