| PROTHENA CORP PUBLIC LTD CO (PRTA) | |||||||||||||||||||||||||||||||||||||||||||||||||
| Q1-CY2026 | Q4-CY2025 | Q3-CY2025 | Q2-CY2025 | Q1-CY2025 | Q4-CY2024 | Q3-CY2024 | Q2-CY2024 | Q1-CY2024 | Q4-CY2023 | Q3-CY2023 | Q2-CY2023 | Q1-CY2023 | Q4-CY2022 | Q3-CY2022 | Q2-CY2022 | Q1-CY2022 | Q4-CY2021 | Q3-CY2021 | Q2-CY2021 | Q1-CY2021 | Q4-CY2020 | Q3-CY2020 | Q2-CY2020 | Q1-CY2020 | Q4-CY2019 | Q3-CY2019 | Q2-CY2019 | Q1-CY2019 | Q4-CY2018 | Q3-CY2018 | Q2-CY2018 | Q1-CY2018 | Q4-CY2017 | Q3-CY2017 | Q2-CY2017 | Q1-CY2017 | Q4-CY2016 | Q3-CY2016 | Q2-CY2016 | Q1-CY2016 | Q4-CY2015 | Q3-CY2015 | Q2-CY2015 | Q1-CY2015 | Q4-CY2014 | Q3-CY2014 | Q2-CY2014 | Q1-CY2014 | |
| Balance Sheet Date | 2025-Dec-31 | 2025-Sep-30 | 2025-Jun-30 | 2025-Mar-31 | 2024-Dec-31 | 2024-Sep-30 | 2024-Jun-30 | 2024-Mar-31 | 2023-Dec-31 | 2023-Sep-30 | 2023-Jun-30 | 2023-Mar-31 | 2022-Dec-31 | 2022-Sep-30 | 2022-Jun-30 | 2022-Mar-31 | 2021-Dec-31 | 2021-Sep-30 | 2021-Jun-30 | 2021-Mar-31 | 2020-Dec-31 | 2020-Sep-30 | 2020-Jun-30 | 2020-Mar-31 | 2019-Dec-31 | 2019-Sep-30 | 2019-Jun-30 | 2019-Mar-31 | 2018-Dec-31 | 2018-Sep-30 | 2018-Jun-30 | 2018-Mar-31 | 2017-Dec-31 | 2017-Sep-30 | 2017-Jun-30 | 2017-Mar-31 | 2016-Dec-31 | 2016-Sep-30 | 2016-Jun-30 | 2016-Mar-31 | 2015-Dec-31 | 2015-Sep-30 | 2015-Jun-30 | 2015-Mar-31 | 2014-Dec-31 | 2014-Sep-30 | 2014-Jun-30 | 2014-Mar-31 | |
| Fiscal Period | Q4-FY2025 | Q3-FY2025 | Q2-FY2025 | Q1-FY2025 | Q4-FY2024 | Q3-FY2024 | Q2-FY2024 | Q1-FY2024 | Q4-FY2023 | Q3-FY2023 | Q2-FY2023 | Q1-FY2023 | Q4-FY2022 | Q3-FY2022 | Q2-FY2022 | Q1-FY2022 | Q4-FY2021 | Q3-FY2021 | Q2-FY2021 | Q1-FY2021 | Q4-FY2020 | Q3-FY2020 | Q2-FY2020 | Q1-FY2020 | Q4-FY2019 | Q3-FY2019 | Q2-FY2019 | Q1-FY2019 | Q4-FY2018 | Q3-FY2018 | Q2-FY2018 | Q1-FY2018 | Q4-FY2017 | Q3-FY2017 | Q2-FY2017 | Q1-FY2017 | Q4-FY2016 | Q3-FY2016 | Q2-FY2016 | Q1-FY2016 | Q4-FY2015 | Q3-FY2015 | Q2-FY2015 | Q1-FY2015 | Q4-FY2014 | Q3-FY2014 | Q2-FY2014 | Q1-FY2014 | |
| Operating Cash Flow | (23,312,000$) | (40,565,000$) | (46,340,000$) | (53,363,000$) | (47,772,000$) | (45,186,000$) | 15,959,000$ | (73,051,000$) | (51,038,000$) | 9,517,000$ | (44,927,000$) | (47,458,000$) | (4,976,000$) | (31,167,000$) | (35,263,000$) | (37,415,000$) | (22,458,000$) | 112,110,000$ | 36,619,000$ | (33,666,000$) | (19,094,000$) | (19,404,000$) | (18,697,000$) | (23,167,000$) | (14,488,000$) | (8,943,000$) | (12,103,000$) | (17,435,000$) | (21,252,000$) | (33,573,000$) | 58,133,000$ | (31,584,000$) | (39,524,000$) | (17,738,000$) | (36,079,000$) | (37,842,000$) | (33,806,000$) | (30,061,000$) | (27,326,000$) | (25,057,000$) | (15,826,000$) | (16,914,000$) | (11,140,000$) | (14,720,000$) | (12,523,000$) | (12,265,000$) | 6,211,000$ | 17,894,000$ | |
| Investing Cash Flow | 0$ | (10,000$) | (86,000$) | (42,000$) | (43,000$) | (9,000$) | (143,000$) | (103,000$) | (1,512,000$) | (442,000$) | (771,000$) | (48,000$) | (151,000$) | (130,000$) | (161,000$) | (22,000$) | (319,000$) | (208,000$) | 0$ | (48,000$) | (51,000$) | (77,000$) | (46,000$) | (22,000$) | (106,000$) | (249,000$) | (69,000$) | (123,000$) | (1,297,000$) | (152,000$) | (99,000$) | (181,000$) | (376,000$) | (538,000$) | (208,000$) | (2,399,000$) | (7,147,000$) | (8,555,000$) | (704,000$) | (238,000$) | (985,000$) | (329,000$) | (40,000$) | (28,000$) | (40,000$) | (106,000$) | (327,000$) | (26,000$) | |
| Purchases of Property and Equipment | |||||||||||||||||||||||||||||||||||||||||||||||||
| Financing Cash Flow | 0$ | (17,000$) | (74,000$) | (48,000$) | (59,000$) | 333,000$ | 444,000$ | 836,000$ | 483,000$ | 2,711,000$ | 18,625,000$ | 23,284,000$ | 220,765,000$ | 18,130,000$ | 1,225,000$ | 1,337,000$ | 1,773,000$ | 87,013,000$ | 20,219,000$ | 81,327,000$ | 0$ | 64,000$ | 0$ | 151,000$ | 13,000$ | 0$ | 210,000$ | 5,000$ | (1,304,000$) | (975,000$) | (861,000$) | 43,184,000$ | 1,459,000$ | 2,608,000$ | 1,466,000$ | 159,868,000$ | 19,302,000$ | 4,242,000$ | 782,000$ | 128,961,000$ | (405,000$) | 2,656,000$ | 133,712,000$ | 1,026,000$ | (11,000$) | 14,673,000$ | 102,915,000$ | 507,000$ | |
| End Cash Position | 307,531,000$ | 330,843,000$ | 371,435,000$ | 417,935,000$ | 471,388,000$ | 519,262,000$ | 564,124,000$ | 546,512,000$ | 618,830,000$ | 670,897,000$ | 659,111,000$ | 686,184,000$ | 710,406,000$ | 495,628,000$ | 508,795,000$ | 542,994,000$ | 579,094,000$ | 600,098,000$ | 399,831,000$ | 342,993,000$ | 295,380,000$ | 314,525,000$ | 333,942,000$ | 352,685,000$ | 375,723,000$ | 390,304,000$ | 398,144,000$ | 410,106,000$ | 427,659,000$ | 451,512,000$ | 486,212,000$ | 429,039,000$ | 417,620,000$ | 456,061,000$ | 471,729,000$ | 506,550,000$ | 386,923,000$ | 408,574,000$ | 442,948,000$ | 474,252,000$ | 370,586,000$ | 387,802,000$ | 402,389,000$ | 279,857,000$ | 293,579,000$ | 306,153,000$ | 303,851,000$ | 195,052,000$ | |
| Exchange Rate Effect | |||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends Paid | |||||||||||||||||||||||||||||||||||||||||||||||||
| Unlevered Free Cash Flow | (23,312,000$) | (40,565,000$) | (46,340,000$) | (53,363,000$) | (47,772,000$) | (45,186,000$) | 15,959,000$ | (73,051,000$) | (51,038,000$) | 9,517,000$ | (44,927,000$) | (47,458,000$) | (4,976,000$) | (31,167,000$) | (35,263,000$) | (37,415,000$) | (22,458,000$) | 112,110,000$ | 36,619,000$ | (33,666,000$) | (19,094,000$) | (19,404,000$) | (18,697,000$) | (23,167,000$) | (14,488,000$) | (8,943,000$) | (12,103,000$) | (17,435,000$) | (21,252,000$) | (33,573,000$) | 58,133,000$ | (31,584,000$) | (39,524,000$) | (17,738,000$) | (36,079,000$) | (37,842,000$) | (33,806,000$) | (30,061,000$) | (27,326,000$) | (25,057,000$) | (15,826,000$) | (16,914,000$) | (11,140,000$) | (14,720,000$) | (12,523,000$) | (12,265,000$) | 6,211,000$ | 17,894,000$ | |