Prothena (PRTA) - EPS (earnings per share)

EPS in 2026 (TTM): -£2.05

According to Prothena's latest financial reports the company's current EPS (TTM) is -£2.09. In 2025 the company made an earnings per share (EPS) of -£3.37 a decrease over its 2024 EPS that were of -£1.69.

EPS history for Prothena from 2012 to 2026

Annual EPS

Year	EPS	Change
2026 (TTM)	-£2.05	-39.34%
2025	-£3.37	99.12%
2024	-£1.69	-17.69%
2023	-£2.06	10.8%
2022	-£1.86	-279.86%
2021	£1.03	-149.82%
2020	-£2.07	43.08%
2019	-£1.45	-50.51%
2018	-£2.93	-2.96%
2017	-£3.02	-12.88%
2016	-£3.46	77.19%
2015	-£1.95	3187.5%
2014	-£0.05945	-96.4%
2013	-£1.65	-10.16%
2012	-£1.84

EPS for similar companies or competitors

Company	EPS	EPS differencediff.	Country
Amarin Corporation AMRN	-£1.19	-43.06%	🇮🇪 Ireland
Alnylam Pharmaceuticals ALNY	£2.82	-234.88%	🇺🇸 USA
Alkermes ALKS	£0.69	-133.10%	🇮🇪 Ireland

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EPS for Prothena (PRTA)

EPS in 2026 (TTM): -£2.05