Prothena (PRTA) - Market capitalization

Market cap: €0.79 Billion

As of December 2024 Prothena has a market cap of €0.79 Billion. This makes Prothena the world's 5880th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Prothena from 2012 to 2024

End of year Market Cap

Year	Marketcap	Change
2024	€0.79 B	-55.21%
2023	€1.76 B	-39.16%
2022	€2.89 B	42.67%
2021	€2.03 B	421.4%
2020	€0.38 B	-30.86%
2019	€0.56 B	57.09%
2018	€0.35 B	-70.12%
2017	€1.20 B	-25.52%
2016	€1.61 B	-18.44%
2015	€1.97 B	322.97%
2014	€0.46 B	11.39%
2013	€0.41 B	328.43%
2012	€97.96 M

End of Day market cap according to different sources

On Dec 21st, 2024 the market cap of Prothena was reported to be:

€0.79 Billion

by Nasdaq

€0.79 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Alkermes ALKS	€4.63 B	486.98%	🇮🇪 Ireland
Alnylam Pharmaceuticals ALNY	€30.54 B	3,765.48%	🇺🇸 USA
Amarin Corporation AMRN	€0.18 B	-76.90%	🇮🇪 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.

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Market capitalization of Prothena (PRTA)

Market cap: €0.79 Billion