PRTA ROA - PROTHENA CORP PUBLIC LTD CO

Complete source-backed roa history.

Available history: 2012-12-31 to 2026-06-30
Data captured: 2026-09-04

Historical ROA

Date	ROA
2026-06-30	-14.54%
2026-03-31	-43.21%
2025-12-31	-74.69%
2025-09-30	-79.53%
2025-06-30	-75.91%
2025-03-31	-22.26%
2024-12-31	-22.36%
2024-09-30	-22.15%
2024-06-30	-7.89%
2024-03-31	-27.66%
2023-12-31	-21.11%
2023-09-30	-9.80%
2023-06-30	-19.55%
2023-03-31	-17.20%
2022-12-31	-15.43%
2022-09-30	-28.22%
2022-06-30	-0.27%
2022-03-31	11.60%
2021-12-31	10.99%
2021-09-30	10.97%
2021-06-30	-16.13%
2021-03-31	-32.74%
2020-12-31	-33.38%
2020-09-30	-28.66%
2020-06-30	-23.98%
2020-03-31	-20.12%
2019-12-31	-18.53%
2019-09-30	-17.43%
2019-06-30	-18.11%
2019-03-31	-27.80%
2018-12-31	-31.20%
2018-09-30	-34.49%
2018-06-30	-37.06%
2018-03-31	-27.46%
2017-12-31	-30.87%
2017-09-30	-28.71%
2017-06-30	-25.08%
2017-03-31	-28.86%
2016-12-31	-34.81%
2016-09-30	-28.22%
2016-06-30	-22.90%
2016-03-31	-18.92%
2015-12-31	-20.93%
2015-09-30	-17.44%
2015-06-30	-14.54%
2015-03-31	-13.88%
2014-12-31	-2.35%
2014-09-30	-1.62%
2014-06-30	-0.51%
2014-03-31	-6.96%
2013-12-31	-22.47%
2013-09-30	-39.06%
2013-06-30	-34.89%
2013-03-31	-31.83%
2012-12-31	-32.03%

Annual ROA

Date	ROA
2025-12-31	-74.69%
2024-12-31	-22.36%
2023-12-31	-21.11%
2022-12-31	-15.43%
2021-12-31	10.99%
2020-12-31	-33.38%
2019-12-31	-18.53%
2018-12-31	-31.20%
2017-12-31	-30.87%
2016-12-31	-34.81%
2015-12-31	-20.93%
2014-12-31	-2.35%
2013-12-31	-22.47%
2012-12-31	-32.03%