Prothena (PRTA) - Earnings

Earnings in 2026 (TTM): -£44.41 Million

According to Prothena's latest financial reports the company's current earnings are £54.53 Million. In 2025 the company made an earning of -£0.14 Billion a decrease over its 2024 earnings that were of -£0.12 Billion. The earnings displayed on this page is the company's Pretax Income.

Earnings history for Prothena from 2012 to 2026

Annual earnings

Year	Earnings	Change
2026 (TTM)	-£44.41 Million	-67.58%
2025	-£0.14 Billion	19.41%
2024	-£0.12 Billion	-19.09%
2023	-£0.15 Billion	45.21%
2022	-£97.65 Million	-282.78%
2021	£53.42 M	-163.84%
2020	-£83.68 Million	33.94%
2019	-£62.48 Million	-44.78%
2018	-£0.12 Billion	-0.97%
2017	-£0.12 Billion	-3.33%
2016	-£0.12 Billion	99.17%
2015	-£59.34 Million	1102.24%
2014	-£4.94 Million	-83.55%
2013	-£30.01 Million	-2.37%
2012	-£30.74 Million

Earnings for similar companies or competitors

Company	Earnings	Earnings differencediff.	Country
Amarin Corporation AMRN	-£18.98 Million	-57.31%	🇮🇪 Ireland
Alnylam Pharmaceuticals ALNY	£0.90 B	-2,140.24%	🇺🇸 USA
Alkermes ALKS	£0.17 B	-496.21%	🇮🇪 Ireland

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Earnings for Prothena (PRTA)

Earnings in 2026 (TTM): -£44.41 Million