Prothena (PRTA) - Market capitalization

Market cap: £0.65 Billion

As of December 2024 Prothena has a market cap of £0.65 Billion. This makes Prothena the world's 5861th 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	£0.65 B	-57.01%
2023	£1.53 B	-40.46%
2022	£2.57 B	50.78%
2021	£1.70 B	384.78%
2020	£0.35 B	-26.97%
2019	£0.48 B	48.9%
2018	£0.32 B	-69.67%
2017	£1.06 B	-22.43%
2016	£1.37 B	-5.76%
2015	£1.45 B	299.51%
2014	£0.36 B	3.93%
2013	£0.35 B	338.28%
2012	£80.17 M

End of Day market cap according to different sources

On Dec 22nd, 2024 the market cap of Prothena was reported to be:

£0.65 Billion

by Nasdaq

£0.65 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Alkermes ALKS	£3.80 B	478.65%	🇮🇪 Ireland
Alnylam Pharmaceuticals ALNY	£24.92 B	3,688.02%	🇺🇸 USA
Amarin Corporation AMRN	£0.14 B	-77.88%	🇮🇪 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: £0.65 Billion