Prothena (PRTA) - P/S ratio

P/S ratio as of December 2025 (TTM): 49.0

According to Prothena's latest financial reports and stock price the company's current price-to-sales ratio (TTM) is 1.96. At the end of 2025 the company had a P/S ratio of 43.0.

P/S ratio history for Prothena from 2013 to 2025

PS ratio at the end of each year

Year	P/S ratio	Change
2025	43.0	613.03%
2024	6.03	-71.76%
2023	21.3	-63.01%
2022	57.7	402.84%
2021	11.5	-97.96%
2020	562	-27.56%
2019	776	80.47%
2018	430	720.86%
2017	52.4	-96.74%
2016	> 1000	19.52%
2015	> 1000	11933.6%
2014	11.2	-98.7%
2013	857

P/S ratio for similar companies or competitors

Company	P/S ratio	P/S ratio differencediff.	Country
Alkermes ALKS	3.19	-93.49%	🇮🇪 Ireland
Alnylam Pharmaceuticals ALNY	17.7	-63.89%	🇺🇸 USA
Amarin Corporation AMRN	1.37	-97.21%	🇮🇪 Ireland

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

DISCLAIMER

CompaniesMarketCap is not associated in any way with CoinMarketCap.com
Stock prices are delayed, the delay can range from a few minutes to several hours.
Company logos are from the CompaniesLogo.com logo database and belong to their respective copyright holders. Companies Marketcap displays them for editorial purposes only.

Contact

For inquiries or if you want to report a problem write to hello@8marketcap.com

Links

- Privacy policy

- Terms and conditions

P/S ratio for Prothena (PRTA)

P/S ratio as of December 2025 (TTM): 49.0