Prothena Corporation plc
PRTA
$8.86
-$0.22-2.42%
NASDAQ
| 06/30/2026 | 03/31/2026 | 12/31/2025 | 09/30/2025 | 06/30/2025 | |
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| Total Cash And Short-Term Investments | 288.19M | 329.46M | 307.53M | 330.84M | 371.44M |
| Total Receivables | -- | -- | -- | -- | -- |
| Inventory | -- | -- | -- | -- | -- |
| Prepaid Expenses | 2.67M | 5.98M | 5.91M | 1.35M | 2.09M |
| Finance Division Loans and Leases Current | -- | -- | -- | -- | -- |
| Total Finance Division Other Current Assets | -- | -- | -- | -- | -- |
| Other Current Assets | 1.15M | 3.76M | 1.75M | 7.78M | 11.95M |
| Total Current Assets | 292.01M | 339.20M | 315.19M | 339.97M | 385.48M |
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| Total Current Assets | 292.01M | 339.20M | 315.19M | 339.97M | 385.48M |
| Net Property, Plant & Equipment | 9.22M | 9.35M | 10.27M | 11.31M | 12.25M |
| Long-term Investments | -- | -- | -- | -- | -- |
| Goodwill | -- | -- | -- | -- | -- |
| Total Other Intangibles | -- | -- | -- | -- | -- |
| Finance Div Loans & Leases LT | -- | -- | -- | -- | -- |
| Total Finance Div Other LT Assets | -- | -- | -- | -- | -- |
| Total Other Assets | 1.34M | 1.34M | 1.34M | 1.34M | 1.34M |
| Total Assets | 302.58M | 349.89M | 326.80M | 352.63M | 399.07M |
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| Total Accounts Payable | 1.94M | 4.30M | 5.88M | 10.50M | 12.20M |
| Total Accrued Expenses | 5.54M | 14.50M | 15.90M | 17.57M | 16.75M |
| Short-term Debt | -- | -- | -- | -- | -- |
| Current Portion of Long-Term Debt/Capital Leases | -- | -- | -- | -- | -- |
| Finance Division Debt Current | 2.96M | 2.89M | 2.89M | 2.88M | 2.85M |
| Total Finance Division Other Current Liabilities | 1.22M | 10.83M | 16.18M | 20.49M | 36.01M |
| Total Other Current Liabilities | 1.22M | 10.83M | 16.18M | 20.49M | 36.01M |
| Total Current Liabilities | 11.66M | 32.52M | 40.84M | 51.44M | 67.81M |
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| Total Current Liabilities | 11.66M | 32.52M | 40.84M | 51.44M | 67.81M |
| Long-Term Debt | -- | -- | -- | -- | -- |
| Short-term Debt | -- | -- | -- | -- | -- |
| Capital Leases | 4.03M | 4.76M | 5.49M | 6.20M | 6.93M |
| Finance Division Debt Non Current | -- | -- | -- | -- | -- |
| Total Finance Division Other Non Current Liabilities | -- | -- | -- | -- | -- |
| Total Other Liabilities | -- | -- | -- | -- | -- |
| Total Liabilities | 15.69M | 37.28M | 46.33M | 57.64M | 74.74M |
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| Common Stock & APIC | 1.62B | 1.63B | 1.63B | 1.62B | 1.61B |
| Retained Earnings | -1.33B | -1.31B | -1.35B | -1.32B | -1.29B |
| Treasury Stock & Other | -- | -- | -- | -- | -- |
| Total Common Equity | 286.89M | 312.62M | 280.47M | 294.99M | 324.33M |
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| Preferred Stock Redeemable | -- | -- | -- | -- | -- |
| Preferred Stock Non Redeemable | -- | -- | -- | -- | -- |
| Preferred Stock Convertible | -- | -- | -- | -- | -- |
| Preferred Stock, Others | -- | -- | -- | -- | -- |
| Total Preferred Equity | -- | -- | -- | -- | -- |
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| Total Common Equity | 286.89M | 312.62M | 280.47M | 294.99M | 324.33M |
| Total Preferred Equity | -- | -- | -- | -- | -- |
| Total Minority Interest | -- | -- | -- | -- | -- |
| Total Equity | 286.89M | 312.62M | 280.47M | 294.99M | 324.33M |
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