Siren, L.L.C. Diversified Active

Location: New York, NY

CIK: 0002005245 · Show all filings

Period: Q2 2026 (← Previous)

Filing Date: Aug 13, 2026

Total Value: $4.941B (100.0% shares, 0.0% debt)

Holdings (117)

New Positions (27)

PBLS Parabilis Medicines Inc 1.7%
Value $81.9M Shares 2,992,259 Est. Cost $27.37 Unrealized
ABVX Abivax SA 1.6%
Value $76.76M Shares 576,000 Est. Cost $133.26 Unrealized
COAG Hemab Therapeutics Holdings Inc 1.6%
Value $76.65M Shares 2,086,834 Est. Cost $36.73 Unrealized
RLAY Relay Therapeutics Inc 1.4%
Value $68.29M Shares 3,650,000 Est. Cost $18.71 Unrealized
KLRA Kailera Therapeutics Inc 1.0%
Value $48.78M Shares 2,214,286 Est. Cost $22.03 Unrealized
COF Capital One Finl Corp 0.7%
Value $34.43M Shares 171,615 Est. Cost $200.62 Unrealized
ORKA Oruka Therapeutics Inc 0.5%
Value $23.79M Shares 250,000 Est. Cost $95.17 Unrealized
SPTX Seaport Therapeutics Inc 0.5%
Value $23.79M Shares 1,095,316 Est. Cost $21.72 Unrealized
TYRA Tyra Biosciences Inc 0.5%
Value $23.16M Shares 725,000 Est. Cost $31.94 Unrealized
ADAG Adagene Inc 0.2%
Value $11.2M Shares 2,666,666 Est. Cost $4.20 Unrealized
ENGN enGene Therapeutics Inc 0.2%
Value $10.82M Shares 6,256,662 Est. Cost $1.73 Unrealized
MSFT Microsoft Corp 0.2%
Value $8.952M Shares 24,000 Est. Cost $431.05 Unrealized
OCS Oculis Holding AG 0.2%
Value $8.669M Shares 625,000 Est. Cost $13.87 Unrealized
DSGN Design Therapeutics Inc 0.2%
Value $7.571M Shares 523,212 Est. Cost $14.47 Unrealized
AAPL Apple Inc 0.1%
Value $6.655M Shares 23,000 Est. Cost Unrealized
ELOX Eloxx Pharmaceuticals Inc 0.1%
Value $5.552M Shares 400,000 Est. Cost $13.88 Unrealized
BABA Alibaba Group Holding Ltd 0.1%
Value $4.799M Shares 50,000 Est. Cost $95.98 Unrealized
OUST Ouster Inc 0.1%
Value $4.22M Shares 67,500 Est. Cost $62.52 Unrealized
PALI Palisade Bio Inc 0.1%
Value $4.18M Shares 2,000,000 Est. Cost $2.09 Unrealized
ODTX Odyssey Therapeutics Inc 0.1%
Value $3.742M Shares 200,000 Est. Cost $18.71 Unrealized
ZTS Zoetis Inc 0.1%
Value $2.515M Shares 35,000 Est. Cost $71.86 Unrealized
NFLX Netflix Inc 0.0%
Value $1.785M Shares 25,000 Est. Cost $71.40 Unrealized
QNT Quantinuum Inc 0.0%
Value $1.635M Shares 20,000 Est. Cost $81.74 Unrealized
ENTX Entera Bio Ltd 0.0%
Value $1.304M Shares 736,457 Est. Cost $1.77 Unrealized
LITE Lumentum Holdings Inc 0.0%
Value $905K Shares 1,055 Est. Cost $858.06 Unrealized
FOXA Fox Corp 0.0%
Value $522K Shares 10,000 Est. Cost $52.16 Unrealized
T AT&T Inc 0.0%
Value $518K Shares 25,000 Est. Cost $20.70 Unrealized

Increased Positions (31)

MANE Veradermics Inc 4.1%
Value $204M (+114.1%) Shares 1,655,374 (+10.0%) Est. Cost $68.57 Unrealized
TNGX Tango Therapeutics Inc 3.9%
Value $193M (+63.2%) Shares 6,179,364 (+9.2%) Est. Cost $9.72 Unrealized
RYTM Rhythm Pharmaceuticals Inc 2.6%
Value $126M (+99.9%) Shares 1,136,275 (+56.6%) Est. Cost $88.60 Unrealized
ELVN Enliven Therapeutics Inc 1.8%
Value $90.05M (+207.8%) Shares 1,774,411 (+137.8%) Est. Cost $40.18 Unrealized
DFTX Definium Therapeutics Inc 1.4%
Value $66.77M (+284.2%) Shares 1,419,493 (+54.4%) Est. Cost $27.12 Unrealized
SYRE Spyre Therapeutics Inc 1.7%
Value $85.99M (+108.3%) Shares 968,598 (+18.3%) Est. Cost $37.05 Unrealized
ARWR Arrowhead Pharmaceuticals Inc 2.8%
Value $140M (+38.0%) Shares 1,715,476 (+6.2%) Est. Cost $30.00 Unrealized
TSHA Taysha Gene Therapies Inc 1.4%
Value $67.06M (+69.9%) Shares 9,846,579 (+11.5%) Est. Cost $2.65 Unrealized
ERAS Erasca Inc 4.2%
Value $209M (+14.8%) Shares 11,397,781 (+1.4%) Est. Cost $4.60 Unrealized
CYTK Cytokinetics Inc 1.3%
Value $64.66M (+59.8%) Shares 758,952 (+23.6%) Est. Cost $68.41 Unrealized
ABSI Absci Corp 0.6%
Value $28.68M (+431.2%) Shares 2,474,764 (+37.5%) Est. Cost $5.34 Unrealized
SLN Silence Therapeutics PLC 0.7%
Value $36.36M (+137.0%) Shares 3,311,438 (+13.7%) Est. Cost $16.86 Unrealized
CGEM Cullinan Therapeutics Inc 0.7%
Value $34.48M (+103.3%) Shares 1,893,410 (+58.7%) Est. Cost $17.91 Unrealized
SION Sionna Therapeutics Inc 0.5%
Value $26.86M (+123.3%) Shares 610,515 (+103.5%) Est. Cost $30.40 Unrealized
GOOGL Alphabet Inc 0.7%
Value $32.16M (+70.2%) Shares 90,000 (+37.0%) Est. Cost $299.25 Unrealized
OLMA Olema Pharmaceuticals Inc 1.2%
Value $60.76M (-14.3%) Shares 4,856,949 (+2.1%) Est. Cost $19.98 Unrealized
AMLX Amylyx Pharmaceuticals Inc 0.5%
Value $26.59M (+55.5%) Shares 1,480,586 (+20.4%) Est. Cost $14.66 Unrealized
TSM Taiwan Semiconductor Manufacturing Co Ltd 0.4%
Value $21.35M (+49.7%) Shares 44,700 (+5.9%) Est. Cost $244.00 Unrealized
IREN IREN Ltd 0.2%
Value $8.003M (+441.7%) Shares 175,000 (+306.0%) Est. Cost $44.05 Unrealized
COGT Cogent Biosciences Inc 1.5%
Value $71.95M (+9.4%) Shares 1,859,279 (+8.8%) Est. Cost $12.37 Unrealized
AVGO Broadcom Inc 0.2%
Value $9.444M (+103.4%) Shares 25,000 (+66.7%) Est. Cost $357.99 Unrealized
ANNX Annexon Inc 0.5%
Value $25.46M (+16.1%) Shares 4,458,646 (+12.6%) Est. Cost $5.74 Unrealized
WHWK Whitehawk Therapeutics Inc 0.2%
Value $10.7M (+49.0%) Shares 2,337,102 (+12.3%) Est. Cost $2.83 Unrealized
NVDA NVIDIA Corp 0.4%
Value $19.01M (+22.3%) Shares 95,000 (+6.6%) Est. Cost $160.76 Unrealized
AEVA Aeva Technologies Inc 0.1%
Value $4.178M (+188.6%) Shares 145,459 (+32.2%) Est. Cost $18.36 Unrealized
GTLB GitLab Inc 0.1%
Value $3.816M (+76.4%) Shares 125,000 (+25.0%) Est. Cost $41.91 Unrealized
MNDY monday.com Ltd 0.1%
Value $3.077M (+78.1%) Shares 42,500 (+70.0%) Est. Cost $127.95 Unrealized
PDD PDD Holdings Inc 0.1%
Value $7.247M (-15.0%) Shares 95,000 (+13.9%) Est. Cost $112.20 Unrealized
DT Dynatrace, Inc 0.1%
Value $6.806M (+22.7%) Shares 155,000 (+3.3%) Est. Cost $46.01 Unrealized
IVVD Invivyd Inc 0.1%
Value $4.362M (-16.1%) Shares 5,000,000 (+25.0%) Est. Cost $1.84 Unrealized
NOW ServiceNow Inc 0.2%
Value $9.928M (+9.0%) Shares 100,000 (+14.8%) Est. Cost $136.80 Unrealized

Exited Positions (10)

Decreased Positions (21)

KYMR Kymera Therapeutics Inc 6.8%
Value $337M (+26.8%) Shares 2,935,830 (-7.9%) Est. Cost $43.02 Unrealized
RVMD Revolution Medicines Inc 3.4%
Value $169M (+56.0%) Shares 900,000 (-19.0%) Est. Cost $46.57 Unrealized
BCAX Bicara Therapeutics Inc 3.4%
Value $166M (+44.1%) Shares 5,602,970 (-3.4%) Est. Cost $19.85 Unrealized
GPCR Structure Therapeutics Inc 0.9%
Value $46.85M (-26.8%) Shares 872,967 (-34.3%) Est. Cost $33.42 Unrealized
CRNX Crinetics Pharmaceuticals Inc 1.1%
Value $53.17M (-23.1%) Shares 1,420,788 (-25.4%) Est. Cost $51.17 Unrealized
SEPN Septerna Inc 1.3%
Value $63.63M (+32.4%) Shares 1,900,000 (-5.0%) Est. Cost $23.65 Unrealized
TBLA Taboola.com Ltd 0.9%
Value $42.12M (+36.3%) Shares 8,423,410 (-15.5%) Est. Cost $3.30 Unrealized
EWTX Edgewise Therapeutics Inc 2.6%
Value $129M (-7.3%) Shares 3,184,629 (-28.1%) Est. Cost $19.44 Unrealized
RCUS Arcus Biosciences Inc 1.5%
Value $74.62M (+14.9%) Shares 2,420,430 (-19.5%) Est. Cost $13.59 Unrealized
DYN Dyne Therapeutics, Inc 1.0%
Value $47.29M (+17.0%) Shares 2,129,125 (-4.5%) Est. Cost $19.51 Unrealized
TSLA Tesla Inc 0.0%
Value $1.472M (-81.6%) Shares 3,500 (-83.7%) Est. Cost $419.51 Unrealized
SRRK Scholar Rock Holding Corp 10.7%
Value $527M (-1.0%) Shares 9,575,013 (-11.5%) Est. Cost $12.96 Unrealized
DDOG Datadog Inc 0.2%
Value $10.41M (+62.5%) Shares 40,000 (-26.3%) Est. Cost $123.86 Unrealized
NBP NovaBridge Biosciences 0.1%
Value $3.909M (-47.0%) Shares 2,004,739 (-33.2%) Est. Cost $3.90 Unrealized
WK Workiva Inc 0.0%
Value $2.183M (-60.4%) Shares 45,000 (-51.4%) Est. Cost $84.89 Unrealized
FROG Jfrog Ltd 0.2%
Value $8.679M (+43.6%) Shares 95,500 (-25.9%) Est. Cost $37.17 Unrealized
NBIS Nebius Group NV 0.3%
Value $14.36M (+21.8%) Shares 52,000 (-54.2%) Est. Cost $59.72 Unrealized
AMZN Amazon.com Inc 0.2%
Value $7.746M (-20.3%) Shares 32,500 (-30.3%) Est. Cost $196.43 Unrealized
IRON Disc Medicine Inc 1.3%
Value $64.98M (+2.8%) Shares 888,401 (-10.1%) Est. Cost $57.60 Unrealized
CRWD CrowdStrike Holdings Inc 0.2%
Value $7.631M (-15.3%) Shares 10,000 (-56.7%) Est. Cost $328.72 Unrealized
MSFT Microsoft Corp 0.3%
Value $13.99M (-8.7%) Shares 37,500 (-9.4%) Est. Cost $431.05 Unrealized

Unchanged Positions (38)

LXRX Lexicon Pharmaceuticals Inc 2.2%
Value $106M Shares 44,303,518 Est. Cost $1.73 Unrealized
SLDB Solid Biosciences Inc 1.6%
Value $76.83M Shares 7,690,405 Est. Cost $5.85 Unrealized
TRVI Trevi Therapeutics Inc 0.7%
Value $33.33M Shares 1,786,867 Est. Cost $4.03 Unrealized
RELY Remitly Global Inc 0.7%
Value $34.58M Shares 1,543,271 Est. Cost $18.06 Unrealized
MNPR Monopar Therapeutics Inc 0.5%
Value $25.01M Shares 270,118 Est. Cost $77.66 Unrealized
DNLI Denali Therapeutics Inc 0.7%
Value $35.92M Shares 1,396,513 Est. Cost $21.53 Unrealized
DBVT Dbv Technologies SA 0.6%
Value $30.46M Shares 1,857,362 Est. Cost $19.17 Unrealized
PVLA Palvella Therapeutics Inc 0.8%
Value $39.35M Shares 257,485 Est. Cost $89.61 Unrealized
RZLT Rezolute Inc 0.4%
Value $17.31M Shares 3,328,287 Est. Cost $3.06 Unrealized
MPLT MapLight Therapeutics Inc 0.3%
Value $16.13M Shares 450,000 Est. Cost $16.75 Unrealized
RAPP Rapport Therapeutics Inc 0.5%
Value $26.73M Shares 641,469 Est. Cost $19.15 Unrealized
ONC BeOne Medicines AG 2.7%
Value $133M Shares 465,000 Est. Cost $220.70 Unrealized
ORIC Oric Pharmaceuticals Inc 0.7%
Value $32.47M Shares 2,998,192 Est. Cost $10.47 Unrealized
IONQ IONQ Inc 0.2%
Value $9.054M Shares 170,000 Est. Cost $7.62 Unrealized
CTMX CytomX Therapeutics Inc 0.3%
Value $12.97M Shares 3,457,711 Est. Cost $5.23 Unrealized
GENB Generate Biomedicines Inc 0.3%
Value $12.42M Shares 736,104 Est. Cost $12.50 Unrealized
XENE Xenon Pharmaceuticals Inc 1.6%
Value $79.59M Shares 1,318,564 Est. Cost $40.49 Unrealized
NMRA Neumora Therapeutics Inc 0.3%
Value $14.45M Shares 8,497,822 Est. Cost $7.19 Unrealized
IKT Inhibikase Therapeutics Inc 0.2%
Value $11.88M Shares 5,850,000 Est. Cost $1.59 Unrealized
MSLE Satellos Bioscience Inc 0.1%
Value $6.936M Shares 892,074 Est. Cost $5.63 Unrealized
AGMB Agomab Therapeutics NV 0.1%
Value $5.338M Shares 411,250 Est. Cost $10.49 Unrealized
GOSS Gossamer Bio Inc 0.0%
Value $857K Shares 5,208,968 Est. Cost $0.96 Unrealized
KLRS Kalaris Therapeutics Inc 0.0%
Value $1.774M Shares 435,798 Est. Cost $8.34 Unrealized
KRRO Korro Bio Inc 0.1%
Value $4.583M Shares 347,718 Est. Cost $42.09 Unrealized
TENX Tenax Therapeutics Inc 0.1%
Value $6.215M Shares 427,141 Est. Cost $6.56 Unrealized
VTVT vTv Therapeutics Inc 0.1%
Value $6.137M Shares 163,000 Est. Cost $17.30 Unrealized
STOK Stoke Therapeutics Inc 1.3%
Value $65.29M Shares 1,995,347 Est. Cost $11.96 Unrealized
AGEN Agenus Inc 0.1%
Value $3.257M Shares 1,064,250 Est. Cost $3.19 Unrealized
CLBT Cellebrite DI Ltd 0.1%
Value $4.549M Shares 311,544 Est. Cost $16.47 Unrealized
ZURA Zura Bio Ltd 0.4%
Value $22.04M Shares 3,734,866 Est. Cost $5.21 Unrealized
FIG Figma Inc 0.0%
Value $905K Shares 50,000 Est. Cost $43.84 Unrealized
MDLN Medline Inc 0.0%
Value $986K Shares 25,000 Est. Cost $42.23 Unrealized
GLTO Damora Therapeutics Inc 0.5%
Value $23.41M Shares 900,000 Est. Cost $25.80 Unrealized
FHTX Foghorn Therapeutics Inc 0.1%
Value $3.517M Shares 720,720 Est. Cost $7.24 Unrealized
RANI Rani Therapeutics Holdings Inc 0.0%
Value $1.521M Shares 2,000,000 Est. Cost $1.51 Unrealized
SEER Seer Inc 0.1%
Value $4.081M Shares 2,458,673 Est. Cost $1.75 Unrealized
BEKE KE Holdings Inc 0.0%
Value $1.453M Shares 100,000 Est. Cost $19.71 Unrealized
NU Nu Holdings Ltd. 0.0%
Value $334K Shares 25,000 Est. Cost $17.34 Unrealized