Prothena (PRTA) - Market capitalization

Market cap: $0.81 Billion USD

As of December 2024 Prothena has a market cap of $0.81 Billion USD. 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	$0.81 B	-58.01%
2023	$1.95 B	-37.3%
2022	$3.11 B	35.14%
2021	$2.30 B	380.07%
2020	$0.47 B	-24.09%
2019	$0.63 B	53.82%
2018	$0.41 B	-71.51%
2017	$1.44 B	-15.04%
2016	$1.69 B	-21.53%
2015	$2.16 B	280.26%
2014	$0.56 B	-1.91%
2013	$0.57 B	347.29%
2012	$0.12 B

End of Day market cap according to different sources

On Dec 20th, 2024 the market cap of Prothena was reported to be:

$0.81 Billion USD

by Nasdaq

$0.81 Billion USD

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Alkermes ALKS	$4.80 B	486.98%	🇮🇪 Ireland
Alnylam Pharmaceuticals ALNY	$31.65 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: $0.81 Billion USD