Prothena Corporation (PRTA)
NASDAQ: PRTA
· Real-Time Price · USD
9.41
0.05 (0.53%)
At close: Sep 26, 2025, 3:59 PM
8.74
-7.12%
After-hours: Sep 26, 2025, 05:03 PM EDT
Prothena Market Cap
Prothena has a market cap or net worth of 506.54M as of Sep 29, 2025. Its market cap has decreased by -53.86% in one year.
Market Cap Chart
History
| Date | Market Cap | % Change |
|---|---|---|
| Sep 25, 2025 | 503.82M | -32.37% |
| Dec 31, 2024 | 744.99M | -61.8% |
| Dec 29, 2023 | 1.95B | -33.88% |
| Dec 30, 2022 | 2.95B | 28.35% |
| Dec 31, 2021 | 2.3B | 375.46% |
| Dec 31, 2020 | 483.4M | -23.48% |
| Dec 31, 2019 | 631.76M | 53.86% |
| Dec 31, 2018 | 410.6M | -71.52% |
| Dec 29, 2017 | 1.44B | -15.3% |
| Dec 30, 2016 | 1.7B | -26.55% |
| Dec 31, 2015 | 2.32B | 307.41% |
| Dec 31, 2014 | 568.84M | -1.98% |
| Dec 31, 2013 | 580.36M | 351.12% |
| Dec 31, 2012 | 128.65M | n/a |