Prothena (PRTA) - EPS (earnings per share)

EPS in 2026 (TTM): -$2.81

According to Prothena's latest financial reports the company's current EPS (TTM) is -$2.81. In 2025 the company made an earnings per share (EPS) of -$4.54 a decrease over its 2024 EPS that were of -$2.28.

EPS history for Prothena from 2012 to 2026

Annual EPS

Year	EPS	Change
2026 (TTM)	-$2.81	-38.11%
2025	-$4.54	99.12%
2024	-$2.28	-17.69%
2023	-$2.77	10.8%
2022	-$2.50	-279.86%
2021	$1.39	-149.82%
2020	-$2.79	43.08%
2019	-$1.95	-50.51%
2018	-$3.94	-2.96%
2017	-$4.06	-12.88%
2016	-$4.66	77.19%
2015	-$2.63	3187.5%
2014	-$0.08000	-96.4%
2013	-$2.22	-10.16%
2012	-$2.47

EPS for similar companies or competitors

Company	EPS	EPS differencediff.	Country
Amarin Corporation AMRN	-$1.60	-43.06%	🇮🇪 Ireland
Alnylam Pharmaceuticals ALNY	$3.79	-234.88%	🇺🇸 USA
Alkermes ALKS	$0.93	-133.10%	🇮🇪 Ireland

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EPS for Prothena (PRTA)

EPS in 2026 (TTM): -$2.81