Quick Answer
PROTHENA CORP PUBLIC LTD CO reported Total Revenue of $9.68 million for fiscal year 2025.
PROTHENA CORP PUBLIC LTD CO — Key Financials by Year
| Metric | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 |
|---|---|---|---|---|---|---|
| Total Revenue | $9.68M -92.8% |
$135.16M +47.9% |
$91.37M +69.5% |
$53.91M -73.1% |
$200.58M +23414.3% |
$853.0K +4.8% |
| Revenue (ASC 606) | $9.68M -92.8% |
$135.16M +47.9% |
$91.37M +69.5% |
$53.91M -73.1% |
$200.58M +23414.3% |
$853.0K +4.8% |
| Net Income | -$244.09M -99.6% |
-$122.31M +16.8% |
-$147.03M -25.7% |
-$116.95M -274.6% |
$66.97M +160.3% |
-$111.14M -43.1% |
| Diluted EPS | -$4.53 -99.6% |
-$2.27 +17.8% |
-$2.76 -11.7% |
-$2.47 -279.0% |
$1.38 +149.6% |
-$2.78 -42.6% |
| Total Assets | $326.80M -40.3% |
$547.11M -21.4% |
$696.38M -8.1% |
$758.03M +24.4% |
$609.37M +83.0% |
$332.98M -20.6% |
| Cash and Equivalents | $307.53M -34.8% |
$471.39M -23.8% |
$618.83M -12.9% |
$710.41M +22.7% |
$579.09M +96.1% |
$295.38M -21.4% |
| Stockholders Equity | $280.47M -42.4% |
$486.93M -13.3% |
$561.37M -9.8% |
$622.04M +33.5% |
$466.04M +153.3% |
$184.01M -32.6% |
| R&D Expense | $134.85M -39.4% |
$222.52M +0.9% |
$220.57M +62.7% |
$135.56M +64.7% |
$82.28M +9.9% |
$74.88M +47.3% |
| Operating Income | -$214.64M -38.9% |
-$154.56M +19.1% |
-$191.04M -45.2% |
-$131.56M -282.8% |
$71.97M +163.8% |
-$112.73M -31.5% |
| Shares Outstanding | 53.83M +0.0% |
53.83M +0.3% |
53.68M +3.0% |
52.10M +11.7% |
46.66M +16.9% |
39.92M +0.1% |
Most Recent Quarter
| Metric | Quarter Ending | Value | YoY | QoQ |
|---|---|---|---|---|
| Total Revenue | September 30, 2025 | $2.42M | +149.0% | -45.4% |
| Revenue (ASC 606) | September 30, 2025 | $2.42M | +149.0% | -45.4% |
| Net Income | September 30, 2025 | -$36.54M | +38.1% | +70.9% |
| Diluted EPS | September 30, 2025 | -$0.68 | +38.2% | +70.9% |
| Total Assets | September 30, 2025 | $352.63M | -40.8% | -11.6% |
| Cash and Equivalents | September 30, 2025 | $330.84M | -36.3% | -10.9% |
| Stockholders Equity | September 30, 2025 | $294.99M | -44.8% | -9.0% |
| R&D Expense | September 30, 2025 | $28.94M | -42.9% | -28.6% |
| Operating Income | September 30, 2025 | -$40.24M | +39.5% | +52.4% |
| Shares Outstanding | September 30, 2025 | 53.83M | +0.0% | +0.0% |
- PROTHENA CORP PUBLIC LTD CO reported Total Revenue of $9.68 million for fiscal year 2025.
- PROTHENA CORP PUBLIC LTD CO showed a decrease of -92.8% in Total Revenue compared to the prior fiscal year.
- PROTHENA CORP PUBLIC LTD CO reported Revenue (ASC 606) of $9.68 million for fiscal year 2025.
- PROTHENA CORP PUBLIC LTD CO showed a decrease of -92.8% in Revenue (ASC 606) compared to the prior fiscal year.
- PROTHENA CORP PUBLIC LTD CO reported Net Income of -$244.09 million for fiscal year 2025.
- PROTHENA CORP PUBLIC LTD CO showed a decrease of -99.6% in Net Income compared to the prior fiscal year.
- PROTHENA CORP PUBLIC LTD CO reported Diluted EPS of $4.53 per share (loss) for fiscal year 2025.
- PROTHENA CORP PUBLIC LTD CO showed a decrease of -99.6% in Diluted EPS compared to the prior fiscal year.
- PROTHENA CORP PUBLIC LTD CO reported Total Assets of $326.80 million for fiscal year 2025.
- PROTHENA CORP PUBLIC LTD CO showed a decrease of -40.3% in Total Assets compared to the prior fiscal year.
- PROTHENA CORP PUBLIC LTD CO reported Cash and Equivalents of $307.53 million for fiscal year 2025.
- PROTHENA CORP PUBLIC LTD CO showed a decrease of -34.8% in Cash and Equivalents compared to the prior fiscal year.
- PROTHENA CORP PUBLIC LTD CO reported Stockholders Equity of $280.47 million for fiscal year 2025.
- PROTHENA CORP PUBLIC LTD CO showed a decrease of -42.4% in Stockholders Equity compared to the prior fiscal year.
- PROTHENA CORP PUBLIC LTD CO reported R&D Expense of $134.85 million for fiscal year 2025.
- PROTHENA CORP PUBLIC LTD CO showed a decrease of -39.4% in R&D Expense compared to the prior fiscal year.
- PROTHENA CORP PUBLIC LTD CO reported Operating Income of -$214.64 million for fiscal year 2025.
- PROTHENA CORP PUBLIC LTD CO showed a decrease of -38.9% in Operating Income compared to the prior fiscal year.
- PROTHENA CORP PUBLIC LTD CO reported Shares Outstanding of 53.83 million shares for fiscal year 2025.
- PROTHENA CORP PUBLIC LTD CO showed an increase of +0.0% in Shares Outstanding compared to the prior fiscal year.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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