Prothena
PRTA
C$7.86
Share price
-0.52%
Change (1 day)
-70.80%
Change (1 year)
Categories
Market capitalization of Prothena (PRTA)
Market cap: C$0.42 Billion
As of June 2025 Prothena has a market cap of C$0.42 Billion. This makes Prothena the world's 7702th 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.
Market cap history of Prothena from 2012 to 2025
End of year Market Cap
| Year | Marketcap | Change |
|---|---|---|
| 2025 | C$0.42 B | -63.83% |
| 2024 | C$1.16 B | -54.81% |
| 2023 | C$2.58 B | -38.72% |
| 2022 | C$4.22 B | 43.89% |
| 2021 | C$2.93 B | 379.83% |
| 2020 | C$0.61 B | -25.89% |
| 2019 | C$0.82 B | 47.48% |
| 2018 | C$0.55 B | -69.14% |
| 2017 | C$1.81 B | -20.51% |
| 2016 | C$2.27 B | -23.99% |
| 2015 | C$2.99 B | 354.56% |
| 2014 | C$0.65 B | 6.94% |
| 2013 | C$0.61 B | 378.82% |
| 2012 | C$0.12 B |
End of Day market cap according to different sources
On Jun 20th, 2025 the market cap of Prothena was reported to be:
C$0.42 Billion
C$0.42 Billion
Market capitalization for similar companies or competitors
| Name | Marketcap | Market cap differencediff. | Country |
|---|---|---|---|
 Alkermes ALKS | C$6.58 B | 1,458.01% | 🇮🇪 Ireland |
 Alnylam Pharmaceuticals
ALNY | C$55.45 B | 13,015.43% | 🇺🇸 USA |
 Amarin Corporation
AMRN | C$0.35 B | -15.66% | 🇮🇪 Ireland |