As of February 2025 Prothena has a market cap of £0.58 Billion. This makes Prothena the world's 6159th 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 Feb 3rd, 2025 the market cap of Prothena was reported to be: