PRTA
Prothena Corporation plc
8.60$
+1.4%
vs. previous close
Closing price · As of: Sep 18, 2026
Statements
Income Statement
All figures as the change versus the prior period, in percent. Periods without a positive comparison base stay empty.
Tick rows to compare them in a chart (up to 4)
| Line item | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| – | -96.8% | -34.3% | +2,508.4% | -96.5% | -14.8% | +4.8% | +23,414.3% | -73.1% | +69.5% | +47.9% | -92.8% | |
| – | +3.0% | +104.5% | +12.6% | -24.8% | -49.8% | +47.3% | +9.9% | -91.8% | +3,172.1% | -98.4% | +3.3% | |
| – | -96.8% | -34.3% | +2,508.4% | -464.2% | – | – | +23,414.3% | -73.1% | +69.5% | +47.9% | -95.6% | |
| – | +52.0% | +104.5% | +12.6% | -24.8% | -49.8% | +47.3% | +9.9% | +64.7% | +62.7% | +0.9% | -39.4% | |
| – | +21.3% | +77.7% | +17.5% | -11.9% | -15.9% | +8.3% | +19.7% | +7.7% | +23.9% | +8.7% | -11.6% | |
| – | +41.8% | +96.9% | +13.8% | -21.4% | -75.2% | +218.4% | +13.2% | +44.2% | +52.3% | +2.6% | -34.2% | |
| – | – | – | – | – | – | – | – | -282.8% | – | – | – | |
| – | – | – | +327.3% | +0.2% | +121.9% | +1.0% | -18.5% | -0.8% | – | – | – | |
| – | – | – | – | – | – | – | – | -274.6% | – | – | – | |
| – | -13.6% | +63.2% | -481.6% | – | – | -174.7% | – | -275.0% | – | – | – | |
| – | – | – | – | – | – | – | – | -274.6% | – | – | – | |
| – | – | – | – | – | – | – | – | -266.1% | – | – | – |
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.