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 -£2.10. In 2025 the company made an earnings per share (EPS) of -£3.40 a decrease over its 2024 EPS that were of -£1.71.

EPS history for Prothena from 2012 to 2026

Annual EPS

Year	EPS	Change
2026 (TTM)	-£2.05	-39.74%
2025	-£3.40	99.12%
2024	-£1.71	-17.69%
2023	-£2.07	10.8%
2022	-£1.87	-279.86%
2021	£1.04	-149.82%
2020	-£2.09	43.08%
2019	-£1.46	-50.51%
2018	-£2.95	-2.96%
2017	-£3.04	-12.88%
2016	-£3.49	77.19%
2015	-£1.97	3187.5%
2014	-£0.05984	-96.4%
2013	-£1.66	-10.16%
2012	-£1.85

EPS for similar companies or competitors

Company	EPS	EPS differencediff.	Country
Amarin Corporation AMRN	-£1.20	-43.06%	🇮🇪 Ireland
Alnylam Pharmaceuticals ALNY	£2.84	-234.88%	🇺🇸 USA
Alkermes ALKS	£0.70	-133.10%	🇮🇪 Ireland

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EPS for Prothena (PRTA)

EPS in 2026 (TTM): -£2.05