$8.75
+0.92%
N/A+$0.08
Healthcare
Biotechnology
NASDAQ
Active Trading
Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein ...
Financial highlights
Latest / TTM · 6 periods
Snapshot
Latest / TTM: 2026-07-22
Gross Margin
—
Net Margin
—
P/E Ratio
—
Debt / Equity
—
Profitability
Profitability table
| Metric | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|
| Gross MarginGross profit as a percentage of revenue. | 100.0% | 100.0% | 100.0% | 100.0% | 61.8% | — |
| Operating MarginOperating income as a percentage of revenue. | 35.9% | -244.1% | -209.1% | -114.4% | -1905.8% | — |
| Net MarginNet income as a percentage of revenue. | 33.4% | -217.0% | -160.9% | -90.5% | -2520.6% | — |
| EBITDA MarginEBITDA divided by revenue. | 36.4% | -231.6% | -174.6% | -94.7% | -2035.6% | — |
| Pre-tax MarginPre-tax profit as a percentage of revenue. | 35.9% | -233.0% | -175.6% | -95.4% | -2073.8% | — |
Liquidity & leverage
Liquidity & leverage table
| Metric | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|
| Current RatioCurrent assets divided by current liabilities. | 17.48 | 14.34 | 11.24 | 10.01 | 7.72 | — |
| Quick RatioLiquid assets divided by current liabilities. | 17.48 | 14.34 | 11.24 | 10.01 | 7.72 | — |
| Cash RatioCash and equivalents divided by current liabilities. | 17.31 | 14.17 | 10.88 | 9.72 | 7.53 | — |
| Debt / AssetsDebt as a share of total assets. | 2.0% | 0.9% | 1.7% | 2.0% | 4.2% | — |
| Debt / EquityDebt compared with shareholder equity. | 0.03 | 0.01 | 0.02 | 0.02 | 0.05 | — |
Operating efficiency
Operating efficiency table
| Metric | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|
| Receivables TurnoverHow often receivables are collected in a year. | 15429.00x | 869.44x | 17.71x | 0.00x | 0.00x | — |
| Inventory TurnoverHow often inventory is sold in a year. | 0.00x | 0.00x | 0.00x | 0.00x | 0.00x | — |
| Payables TurnoverHow often payables are paid in a year. | 0.00x | 0.00x | 0.00x | 0.00x | 0.63x | — |
| Asset TurnoverRevenue generated per dollar of assets. | 0.33x | 0.07x | 0.13x | 0.25x | 0.03x | — |
| Working Capital TurnoverRevenue generated per dollar of working capital. | 0.49x | 0.09x | 0.15x | 0.27x | 0.03x | — |
Valuation ratios
Valuation ratios table
| Metric | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|
| P/E RatioPrice paid for each dollar of earnings. | 32.72x | -24.39x | -13.17x | -6.10x | -2.11x | — |
| P/B RatioPrice paid for each dollar of book value. | 4.69x | 4.59x | 3.44x | 1.53x | 1.83x | — |
| P/S RatioPrice paid for each dollar of sales. | 10.89x | 52.94x | 21.17x | 5.51x | 53.08x | — |
| P/FCF RatioPrice paid for each dollar of free cash flow. | 23.74x | -26.12x | -14.15x | -4.95x | -3.14x | — |
| Dividend YieldAnnual dividend divided by current share price. | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | — |