Prothena Corporation plc (PRTA)
NASDAQ: PRTA · Real-Time Price · USD
8.24
-0.32 (-3.74%)
At close: Aug 28, 2025, 4:00 PM
8.24
0.00 (0.00%)
After-hours: Aug 28, 2025, 4:11 PM EDT

Prothena Corporation Market Cap

Prothena Corporation has a market cap or net worth of $444.10 million as of August 28, 2025. Its market cap has decreased by -58.96% in one year.

Market Cap
444.10M
Enterprise Value
93.21M
1-Year Change
-58.96%
Ranking
Category
Stock Price
$8.24

Market Cap Chart

Since December 21, 2012, Prothena Corporation's market cap has increased from $127.30M to $444.10M, an increase of 248.86%. That is a compound annual growth rate of 10.35%.

History

DateMarket Cap% Change
Aug 27, 2025460.80M-38.17%
Dec 31, 2024745.30M-61.78%
Dec 29, 20231.95B-33.09%
Dec 30, 20222.91B26.63%
Dec 31, 20212.30B380.02%
Dec 31, 2020479.50M-24.08%
Dec 31, 2019631.60M53.82%
Dec 31, 2018410.60M-71.51%
Dec 29, 20171.44B-15.04%
Dec 30, 20161.70B-20.98%
Dec 31, 20152.15B277.66%
Dec 31, 2014568.50M-1.92%
Dec 31, 2013579.60M347.22%
Dec 31, 2012129.60M1.81%
Dec 21, 2012127.30M-
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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