Siren, L.L.C. Generation Bio Co. Transaction History
Siren, L.L.C.
- $1.93 Trillion
- Q2 2025
A detailed history of Siren, L.L.C. transactions in Generation Bio Co. stock. As of the latest transaction made, Siren, L.L.C. holds 2,968,925 shares of GBIO stock, worth $12 Million. This represents 0.05% of its overall portfolio holdings.
Number of Shares
2,968,925
Previous 2,968,925
-0.0%
Holding current value
$12 Million
Previous $1.2 Billion
20.96%
% of portfolio
0.05%
Previous 0.07%
Shares
2 transactions
Others Institutions Holding GBIO
# of Institutions
58Shares Held
40.9MCall Options Held
116KPut Options Held
0-
Price T Rowe Associates Inc Baltimore, MD8.46MShares$34.3 Million0.0% of portfolio
-
Atlas Venture Life Science Advisors, LLC8.28MShares$33.5 Million0.58% of portfolio
-
Black Rock Inc. New York, NY3.29MShares$13.3 Million0.0% of portfolio
-
Jim Simons Renaissance Technologies LLC | New York, Ny2.58MShares$10.5 Million0.0% of portfolio
-
Vanguard Group Inc Valley Forge, PA2.3MShares$9.31 Million0.0% of portfolio
About Generation Bio Co.
- Ticker GBIO
- Exchange NASDAQ
- Sector Healthcare
- Industry Biotechnology
- Shares Outstandng 59,011,200
- Market Cap $239M
- Description
- Generation Bio Co., a genetic medicines company, develops therapies for the treatment of rare and prevalent diseases. The company provides a portfolio of programs, including programs for rare and prevalent diseases of the liver and retina. It also focuses on the diseases of skeletal muscle, central nervous system, and oncology. The company was f...