Prothena (PRTA) - Earnings

Earnings in 2026 (TTM): -A$0.15 Billion

According to Prothena's latest financial reports the company's current earnings are A$57.94 Million. In 2025 the company made an earning of -A$0.27 Billion a decrease over its 2024 earnings that were of -A$0.23 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)	-A$0.15 Billion	-45.95%
2025	-A$0.27 Billion	19.41%
2024	-A$0.23 Billion	-19.09%
2023	-A$0.28 Billion	45.21%
2022	-A$0.19 Billion	-282.78%
2021	A$0.10 B	-163.84%
2020	-A$0.17 Billion	33.94%
2019	-A$0.13 Billion	-44.78%
2018	-A$0.22 Billion	-0.97%
2017	-A$0.22 Billion	-3.33%
2016	-A$0.23 Billion	99.17%
2015	-A$0.12 Billion	1102.24%
2014	-A$9.51 Million	-83.55%
2013	-A$57.78 Million	-2.37%
2012	-A$59.18 Million

Earnings for similar companies or competitors

Company	Earnings	Earnings differencediff.	Country
Amarin Corporation AMRN	-A$44.51 Million	-66.58%	🇮🇪 Ireland
Alnylam Pharmaceuticals ALNY	A$1.24 B	-1,033.24%	🇺🇸 USA
Alkermes ALKS	A$0.33 B	-354.54%	🇮🇪 Ireland

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Earnings for Prothena (PRTA)

Earnings in 2026 (TTM): -A$0.15 Billion