As of November 2024 Prothena has a market cap of €0.87 Billion. This makes Prothena the world's 5654th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Nov 12th, 2024 the market cap of Prothena was reported to be: