Prothena Corporation Market Cap

Prothena Corporation has a market cap or net worth of 345.68 million as of January 30, 2026. Its market cap has decreased by -40.76% in one year.

Market Cap

345.68M

Enterprise Value

111.15M

Revenue

8.77M

Ranking

n/a

PE Ratio

n/a

Stock Price

8.73

Market Cap Chart

Since December 21, 2012, Prothena Corporation's market cap has increased from 78.71M to 345.68M, an increase of 339.19%. That is a compound annual growth rate of 11.94%.

Market Cap History

Date	Market Cap	% Change
Jan 30, 2026	345.68M	-9.50%
Dec 31, 2025	381.96M	-35.84%
Dec 31, 2024	595.28M	-61.12%
Dec 29, 2023	1.53B	-40.69%
Dec 30, 2022	2.58B	51.87%
Dec 31, 2021	1.70B	384.06%
Dec 31, 2020	Upgrade Pro	Upgrade Pro
Dec 31, 2019	Upgrade Pro	Upgrade Pro
Dec 31, 2018	Upgrade Pro	Upgrade Pro
Dec 29, 2017	Upgrade Pro	Upgrade Pro
Dec 30, 2016	Upgrade Pro	Upgrade Pro

Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Full Definition

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Market Cap Rankings