Prothena Corp Public Ltd Co (PRTA): R&D Expense
$134.85M
Year ended 2025-12-31
$64.95M
Trailing 12 months to 2026-06-30
-0.2%
3-year compound annual growth
+12.5%
5-year compound annual growth
+8.7%
10-year compound annual growth
| Period ended | R&D Expense | Change YoY | Source filing |
|---|---|---|---|
| 2025-12-31 | $134.85M | -39.4% | 2026-02-27, From 2025-01-01 |
| 2024-12-31 | $222.52M | +0.9% | 2026-02-27, From 2024-01-01 |
| 2023-12-31 | $220.57M | +62.7% | 2026-02-27, From 2023-01-01 |
| 2022-12-31 | $135.56M | +64.7% | 2025-02-27, From 2022-01-01 |
| 2021-12-31 | $82.28M | +9.9% | 2024-02-22, From 2021-01-01 |
| 2020-12-31 | $74.88M | +47.3% | 2023-02-28, From 2020-01-01 |
| 2019-12-31 | $50.84M | -49.8% | 2022-02-25, From 2019-01-01 |
| 2018-12-31 | $101.18M | -24.8% | 2021-02-26, From 2018-01-01 |
| 2017-12-31 | $134.55M | +12.6% | 2020-03-03, From 2017-01-01 |
| 2016-12-31 | $119.53M | +104.5% | 2019-03-15, From 2016-01-01 |
| 2015-12-31 | $58.44M | +52.0% | 2018-02-26, From 2015-01-01 |
| 2014-12-31 | $38.45M | +47.6% | 2017-02-27, From 2014-01-01 |
| 2013-12-31 | $26.05M | -23.7% | 2016-02-25, From 2013-01-01 |
| 2012-12-31 | $34.14M | +41.2% | 2015-03-13, From 2012-01-01 |
| 2011-12-31 | $24.17M | n/a | 2014-03-07, From 2011-01-01 |
R&D Expense at similar companies
| Company | Year ended | R&D Expense | Change YoY |
|---|---|---|---|
| Prothena Corp Public Ltd Co (PRTA) | 2025-12-31 | $134.85M | -39.4% |
| Precigen, Inc. (PGEN) | 2025-12-31 | $41.33M | -22.1% |
| Janux Therapeutics, Inc. (JANX) | 2025-12-31 | $125.90M | +84.1% |
| Zenas BioPharma, Inc. (ZBIO) | 2025-12-31 | $168.06M | +20.8% |
| International Stem Cell Corp (ISCO) | 2025-12-31 | $684.0K | +4.1% |
| BioAge Labs, Inc. (BIOA) | 2025-12-31 | $73.97M | +25.3% |
| Crescent Biopharma, Inc. (CBIO) | 2025-12-31 | $138.09M | +868.4% |
| Roivant Sciences Ltd. (ROIV) | 2026-03-31 | $681.81M | +23.9% |
| Jaguar Health, Inc. (JAGX) | 2025-12-31 | $24.97M | +50.9% |
Compare PRTA, PGEN, JANX, ZBIO side by side · Screen every company in Pharmaceutical Preparations ↗