Score Overview
Prothena Corporation plc fundamental performance
Between 2020 and 2025, revenue grew from $ 853K to $ 9M and net income went from -$ 111M to -$ 244M. Revenue increased in 3 of those 5 years; net income in 2.
Between 2015 and 2025, revenue grew from $ 1M to $ 9M and net income went from -$ 80M to -$ 244M. Revenue increased in 6 of those 10 years; net income in 5.
Prothena Corporation plc currently holds a 5-year HDB Score of 3.0 out of 10. How the HDB Score is calculated.
Net Income x Stock Price
Historical Returns
| Period | Price | Return |
|---|---|---|
Last Price2026-08-12 | $ 9.26 | — |
1 Year2025-08-12 | $ 7.54 | 22.81% |
5 Years2021-08-12 | $ 58.79 | -84.25% |
10 Years2016-08-12 | $ 57.79 | -83.98% |
All Time2012-12-21 | $ 7.20 | 28.61% |
| Period | Last Price2026-08-12 | 1 Year2025-08-12 | 5 Years2021-08-12 | 10 Years2016-08-12 | All Time2012-12-21 |
|---|---|---|---|---|---|
| Price | $ 9.26 | $ 7.54 | $ 58.79 | $ 57.79 | $ 7.20 |
| Return | — | 22.81% | -84.25% | -83.98% | 28.61% |
Prices are split & dividend adjusted. All values are reported in USD.
Fundamental Data
| Year | |||
|---|---|---|---|
| 2026 | $ 54M | -$ 43M | $ 288M |
| 2025 | $ 9M | -$ 244M | $ 307M |
| 2024 | $ 135M | -$ 122M | $ 471M |
| 2023 | $ 91M | -$ 147M | $ 618M |
| 2022 | $ 53M | -$ 116M | $ 710M |
| 2021 | $ 200M | $ 66M | $ 579M |
| 2020 | $ 853K | -$ 111M | $ 295M |
| 2019 | $ 814K | -$ 77M | $ 375M |
| 2018 | $ 955K | -$ 155M | $ 427M |
| 2017 | $ 27M | -$ 153M | $ 417M |
| 2016 | $ 1M | -$ 160M | $ 386M |
| 2015 | $ 1M | -$ 80M | $ 370M |
| 2014 | $ 50M | -$ 7M | $ 293M |
| 2013 | $ 676K | -$ 40M | $ 176M |
| IPO2012 | $ 2M | -$ 41M | $ 124M |
Explore beyond PRTA
You're looking at Prothena Corporation plc. Members apply the same fundamental framework across all 3,860 companies we cover.
- Every HDB Score — 1, 5, 10, 20 and 30 years, plus all-time
- Revenue and Net Income Consistency for every period
- Rank all 3,860 companies by any metric, not just three
- Filter by sector and currency, and page through the whole list
- Track your holdings in a portfolio
$99/year $149 founding price
Unlock Holder Dashboard30-day money-back guarantee.
