4 years of revenue, earnings, cash-flow and balance-sheet history from public filings.
Prothena Corporation plc (PRTA) operates in the Biotechnology industry and is headquartered in Dublin, Ireland with about 67 employees. Its market capitalization is roughly $453 million. In the fiscal year ended 2025-12-31, PRTA reported $10M in revenue and ($244M) in net income.
Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation.
Interactive charts & full statements → Open the PRTA valuation workbench →
| Income statement | 2025-12-31 | 2024-12-31 | 2023-12-31 | 2022-12-31 | 2021-12-31 |
|---|---|---|---|---|---|
| Total Revenue | $10M | $135M | $91M | $54M | — |
| Operating Income (EBIT) | ($185M) | ($155M) | ($191M) | ($132M) | — |
| Net Income | ($244M) | ($122M) | ($147M) | ($117M) | — |
USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).
| Quarterly income statement | 2026-03-31 | 2025-12-31 | 2025-09-30 | 2025-06-30 | 2025-03-31 |
|---|---|---|---|---|---|
| Total Revenue | $51M | $0M | $2M | $4M | $3M |
| Operating Income (EBIT) | $26M | ($27M) | ($40M) | ($52M) | ($66M) |
| Net Income | $33M | ($22M) | ($36M) | ($126M) | ($60M) |
USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).
| Balance sheet | 2025-12-31 | 2024-12-31 | 2023-12-31 | 2022-12-31 | 2021-12-31 |
|---|---|---|---|---|---|
| Total Assets | $327M | $547M | $696M | $758M | — |
| Total Liabilities | $46M | $60M | $135M | $136M | — |
USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).
Quarterly statements, profitability ratios, price history, insider activity and institutional holders are in the interactive PRTA viewer.
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