Siren, L.L.C. Prothena Corp Public LTD CO Transaction History
Siren, L.L.C.
- $1.76 Trillion
- Q1 2025
A detailed history of Siren, L.L.C. transactions in Prothena Corp Public LTD CO stock. As of the latest transaction made, Siren, L.L.C. holds 1,283,555 shares of PRTA stock, worth $6.75 Million. This represents 0.9% of its overall portfolio holdings.
Number of Shares
1,283,555
Previous 1,099,840
16.7%
Holding current value
$6.75 Million
Previous $15.2 Billion
4.28%
% of portfolio
0.9%
Previous 0.67%
Shares
2 transactions
Others Institutions Holding PRTA
# of Institutions
185Shares Held
43.7MCall Options Held
251KPut Options Held
79.2K-
Eco R1 Capital, LLC San Francisco, CA11.6MShares$60.9 Million11.27% of portfolio
-
Wellington Management Group LLP Boston, MA5.2MShares$27.3 Million0.01% of portfolio
-
Black Rock Inc. New York, NY3.86MShares$20.3 Million0.0% of portfolio
-
Price T Rowe Associates Inc Baltimore, MD3.46MShares$18.2 Million0.01% of portfolio
-
Armistice Capital, LLC New York, NY2.2MShares$11.6 Million0.41% of portfolio
About PROTHENA CORP PUBLIC LTD CO
- Ticker PRTA
- Exchange NASDAQ
- Sector Healthcare
- Industry Biotechnology
- Shares Outstandng 46,922,800
- Market Cap $247M
- Description
- Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases in the United States. The company is involved in developing Birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a human...