The Analysis of Siren, L.L.C.'s Holdings


Currently, Siren, L.L.C. holds 113 types of securities in its portfolio with a total value $3.4B. In the most recent quarter, they have increased their positions in OLMA (+3.3M shares, valued at $82.5M), SRRK (+1.6M shares, valued at $69.4M), N/A (+1.7M shares, valued at $44.2M); decreased their positions in N/A (-1.2M shares, valued at $77.6M), DYN (-1.2M shares, valued at $24.0M), WVE (-1.2M shares, valued at $21.2M); initiated new positions in OLMA (+3.3M shares, valued at $82.5M), N/A (+1.7M shares, valued at $44.2M), N/A (+1.9M shares, valued at $35.6M).


Top Holding Treemap

Stock Holdings
TickerCompany NameSharesShares â–ŗ%Event DateReport DateHistory
SRRK Scholar Rock Holding Corp10.8M shares17.03%2025-12-312026-02-13history
KYMR Kymera Therapeutics Inc3.3M shares-4.12%2025-12-312026-02-13history
ONC BeOne Medicines AG500.0K shares1.42%2025-12-312026-02-13history
EWTX Edgewise Therapeutics Inc4.5M shares16.24%2025-12-312026-02-13history
RVMD Revolution Medicines Inc1.3M shares27.92%2025-12-312026-02-13history
CNTA Centessa Pharmaceuticals PLC4.0M shares24.79%2025-12-312026-02-13history
Arrowhead Pharmaceuticals Inc Arrowhead Pharmaceuticals Inc1.5M shares-43.80%2025-12-312026-02-13history
BCAX Bicara Therapeutics Inc5.2M shares0.00%2025-12-312026-02-13history
Sponsored
OLMA Olema Pharmaceuticals Inc3.3M sharesnew addition2025-12-312026-02-13history
IRON Disc Medicine Inc988.4K shares8.21%2025-12-312026-02-13history
GPCR Structure Therapeutics Inc1.1M shares5.05%2025-12-312026-02-13history
TNGX Tango Therapeutics Inc8.2M shares38.79%2025-12-312026-02-13history
RCUS Arcus Biosciences Inc3.0M shares3.26%2025-12-312026-02-13history
STOK Stoke Therapeutics Inc2.2M shares0.00%2025-12-312026-02-13history
CRNX Crinetics Pharmaceuticals Inc1.5M shares-10.72%2025-12-312026-02-13history
DYN Dyne Therapeutics Inc3.5M shares-25.93%2025-12-312026-02-13history
Sponsored
APLS Apellis Pharmaceuticals Inc2.6M shares0.00%2025-12-312026-02-13history
COGT Cogent Biosciences Inc1.6M shares-5.51%2025-12-312026-02-13history
SEPN Septerna Inc2.0M shares-9.19%2025-12-312026-02-13history
TSHA Taysha Gene Therapies Inc10.1M shares-8.03%2025-12-312026-02-13history
RYTM Rhythm Pharmaceuticals Inc500.0K shares0.00%2025-12-312026-02-13history
ASND Ascendis Pharma A/S235.9K shares0.00%2025-12-312026-02-13history
RAPT Therapeutics Inc RAPT Therapeutics Inc1.4M shares136.88%2025-12-312026-02-13history
TBLA Taboola.com Ltd10.0M shares0.00%2025-12-312026-02-13history
Sponsored
LXRX Lexicon Pharmaceuticals Inc38.9M shares0.00%2025-12-312026-02-13history
Zymeworks Inc Zymeworks Inc1.7M sharesnew addition2025-12-312026-02-13history
Solid Biosciences Inc Solid Biosciences Inc7.7M shares3.70%2025-12-312026-02-13history
WVE WAVE Life Sciences Ltd2.5M shares-33.72%2025-12-312026-02-13history
XENE Xenon Pharmaceuticals Inc812.8K shares0.00%2025-12-312026-02-13history
Dbv Technologies SA Dbv Technologies SA1.9M sharesnew addition2025-12-312026-02-13history
ERAS Erasca Inc8.8M shares0.00%2025-12-312026-02-13history
enGene Holdings Inc enGene Holdings Inc3.3M sharesnew addition2025-12-312026-02-13history
Sponsored
TRVI Trevi Therapeutics Inc2.3M shares-9.85%2025-12-312026-02-13history
SYRE Spyre Therapeutics Inc818.6K shares122.08%2025-12-312026-02-13history
MLYS Mineralys Therapeutics Inc700.0K sharesnew addition2025-12-312026-02-13history
DNLI Denali Therapeutics Inc1.4M shares69.99%2025-12-312026-02-13history
RELY Remitly Global Inc1.6M shares0.00%2025-12-312026-02-13history
FULC Fulcrum Therapeutics Inc1.9M sharesnew addition2025-12-312026-02-13history
RAPP Rapport Therapeutics Inc708.5K shares-32.75%2025-12-312026-02-13history
SLN Silence Therapeutics PLC2.9M shares0.00%2025-12-312026-02-13history
Sponsored
IHS IHS Holding Limited2.4M shares0.00%2025-12-312026-02-13history
GOSS Gossamer Bio Inc5.2M shares0.00%2025-12-312026-02-13history
UPB Upstream Bio Inc588.5K shares-25.37%2025-12-312026-02-13history
BCYC Bicycle Therapeutics PLC2.0M shares0.00%2025-12-312026-02-13history
Monopar Therapeutics Inc Monopar Therapeutics Inc212.3K sharesnew addition2025-12-312026-02-13history
CGEM Cullinan Therapeutics Inc1.2M shares0.00%2025-12-312026-02-13history
SION Sionna Therapeutics Inc300.0K shares-7.69%2025-12-312026-02-13history
Inhibikase Therapeutics Inc Inhibikase Therapeutics Inc5.8M sharesnew addition2025-12-312026-02-13history
Sponsored
NBP NovaBridge Biosciences3.0M shares157.30%2025-12-312026-02-13history
AMZN Amazon.com Inc51.5K shares-11.97%2025-12-312026-02-13history
NMRA Neumora Therapeutics Inc6.3M shares44.29%2025-12-312026-02-13history
Mind Medicine (MindMed) Inc Mind Medicine (MindMed) Inc800.0K sharesnew addition2025-12-312026-02-13history
Benitec Biopharma Inc Benitec Biopharma Inc775.0K sharesnew addition2025-12-312026-02-13history
IVVD Invivyd Inc4.0M sharesnew addition2025-12-312026-02-13history
TSM Taiwan Semiconductor Manufacturing Co Ltd27.7K shares-1.77%2025-12-312026-02-13history
ORIC Oric Pharmaceuticals Inc1.0M shares0.00%2025-12-312026-02-13history
Sponsored
MapLight Therapeutics Inc MapLight Therapeutics Inc450.0K sharesnew addition2025-12-312026-02-13history
PVLA Palvella Therapeutics Inc75.0K sharesnew addition2025-12-312026-02-13history
CRWD CrowdStrike Holdings Inc16.5K shares-10.81%2025-12-312026-02-13history
IONQ IONQ Inc170.0K shares0.00%2025-12-312026-02-13history
SEER Seer Inc4.0M shares0.00%2025-12-312026-02-13history
MSFT Microsoft Corp15.0K shares-12.54%2025-12-312026-02-13history
PDD PDD Holdings Inc63.4K shares46.08%2025-12-312026-02-13history
LXEO Lexeo Therapeutics Inc720.6K shares19.42%2025-12-312026-02-13history
Sponsored
NVDA NVIDIA Corp37.5K shares0.00%2025-12-312026-02-13history
CRM Salesforce Inc26.1K shares-13.29%2025-12-312026-02-13history
CMPS Compass Pathways PLC1.0M sharesnew addition2025-12-312026-02-13history
BillionToOne Inc BillionToOne Inc83.8K sharesnew addition2025-12-312026-02-13history
WK Workiva Inc79.1K shares163.74%2025-12-312026-02-13history
ZURA Zura Bio Ltd1.3M sharesnew addition2025-12-312026-02-13history
vTv Therapeutics Inc vTv Therapeutics Inc163.0K shares0.00%2025-12-312026-02-13history
Alphabet Inc Alphabet Inc20.7K shares-2.36%2025-12-312026-02-13history
Sponsored
NBIS Nebius Group NV76.2K shares4.98%2025-12-312026-02-13history
SVRA Savara Inc1.0M sharesnew addition2025-12-312026-02-13history
XFOR X4 Pharmaceuticals Inc1.5M sharesnew addition2025-12-312026-02-13history
FROG Jfrog Ltd93.6K shares-12.60%2025-12-312026-02-13history
NOW ServiceNow Inc35.6K shares400.00%2025-12-312026-02-13history
Tenax Therapeutics Inc Tenax Therapeutics Inc427.1K shares21.20%2025-12-312026-02-13history
WHWK Whitehawk Therapeutics Inc2.1M shares0.00%2025-12-312026-02-13history
DT Dynatrace Inc115.2K shares14.97%2025-12-312026-02-13history
Sponsored
DDOG Datadog Inc36.4K shares10.63%2025-12-312026-02-13history
ALMS Alumis Inc500.0K sharesnew addition2025-12-312026-02-13history
META Meta Platforms Inc7.2K sharesnew addition2025-12-312026-02-13history
PEPG PepGen Inc700.0K shares0.00%2025-12-312026-02-13history
SGMT Sagimet Biosciences Inc724.8K shares0.00%2025-12-312026-02-13history
ADBE Adobe Inc12.1K shares-19.93%2025-12-312026-02-13history
FHTX Foghorn Therapeutics Inc720.7K shares0.00%2025-12-312026-02-13history
GTLB GitLab Inc99.0K shares54.69%2025-12-312026-02-13history
Sponsored
KLRS Kalaris Therapeutics Inc435.8K shares36.93%2025-12-312026-02-13history
EDU New Oriental Education & Technology Group Inc62.0K shares0.00%2025-12-312026-02-13history
AGEN Agenus Inc1.1M shares0.00%2025-12-312026-02-13history
Medline Inc Medline Inc75.0K sharesnew addition2025-12-312026-02-13history
KRRO Korro Bio Inc347.7K shares-16.98%2025-12-312026-02-13history
CLBT Cellebrite DI Ltd150.0K shares66.67%2025-12-312026-02-13history
RANI Rani Therapeutics Holdings Inc2.0M sharesnew addition2025-12-312026-02-13history
ZS Zscaler Inc12.0K sharesnew addition2025-12-312026-02-13history
Sponsored
BDTX Black Diamond Therapeutics Inc1.0M shares0.00%2025-12-312026-02-13history
MNDY monday.com Ltd17.0K shares142.86%2025-12-312026-02-13history
Broadcom Inc Broadcom Inc7.0K sharesnew addition2025-12-312026-02-13history
QCOM Qualcomm Inc14.0K shares0.00%2025-12-312026-02-13history
ARM Arm Holdings PLC21.5K sharesnew addition2025-12-312026-02-13history
BEKE Ke Holdings Inc145.0K shares0.00%2025-12-312026-02-13history
Instil Bio Inc Instil Bio Inc203.9K shares0.00%2025-12-312026-02-13history
PANW Palo Alto Networks Inc11.4K shares-14.87%2025-12-312026-02-13history
Sponsored
CRWV CoreWeave Inc27.5K shares14.58%2025-12-312026-02-13history
IREN IREN Ltd43.1K shares115.50%2025-12-312026-02-13history
VRNS Varonis Systems Inc37.5K sharesnew addition2025-12-312026-02-13history
PRMB Primo Brands Corp75.0K shares0.00%2025-12-312026-02-13history
GBIO Generation Bio Inc201.4K shares-32.16%2025-12-312026-02-13history
FIG Figma Inc25.0K shares66.67%2025-12-312026-02-13history
TSLA Tesla Inc1.5K shares0.00%2025-12-312026-02-13history
CRBU Caribou Biosciences Inc105.3K shares0.00%2025-12-312026-02-13history
Sponsored
Cyclerion Therapeutics Inc Cyclerion Therapeutics Inc115.6K shares-0.48%2025-12-312026-02-13history

Call Option Holdings
No call option holdings data available

Put Option Holdings
No put option holdings data available