Quick Answer
PROTHENA CORP PUBLIC LTD CO reported Operating Income of -$214.64 million for fiscal year 2025.
PROTHENA CORP PUBLIC LTD CO Operating Income — Annual History
| Fiscal Year | Operating Income | YoY Change |
|---|---|---|
| 2025 | -$214.64M | -38.9% |
| 2024 | -$154.56M | +19.1% |
| 2023 | -$191.04M | -45.2% |
| 2022 | -$131.56M | -282.8% |
| 2021 | $71.97M | +163.8% |
| 2020 | -$112.73M | -31.5% |
| 2019 | -$85.70M | +46.1% |
| 2018 | -$158.85M | -2.3% |
| 2017 | -$155.25M | +2.7% |
| 2016 | -$159.53M | -99.6% |
| 2015 | -$79.94M | -1102.2% |
| 2014 | -$6.65M | +83.6% |
| 2013 | -$40.43M | +2.4% |
| 2012 | -$41.41M | -41.6% |
| 2011 | -$29.24M | — |
Quarterly Operating Income
| Quarter Ending | Operating Income | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | -$40.24M | +39.5% | +52.4% |
| June 30, 2025 | -$84.62M | -244.9% | -29.0% |
| March 31, 2025 | -$65.58M | +19.6% | +1.4% |
| September 30, 2024 | -$66.51M | -745.3% | -213.9% |
| June 30, 2024 | $58.38M | +187.8% | +171.6% |
| March 31, 2024 | -$81.53M | -44.7% | -890.9% |
| September 30, 2023 | $10.31M | +120.5% | +115.5% |
| June 30, 2023 | -$66.50M | -53.9% | -18.1% |
- PROTHENA CORP PUBLIC LTD CO showed a decrease of -38.9% in Operating Income compared to the prior fiscal year.
- Over the 2011–2025 period, PROTHENA CORP PUBLIC LTD CO’s operating income has declined by 634.0% (from -$29.24 million to -$214.64 million).
- The most recent figure is from PROTHENA CORP PUBLIC LTD CO’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 27, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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