Prothena
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Why Robinhood?
Robinhood gives you the tools you need to put your money in motion. You can buy or sell Prothena and other ETFs, options, and stocks.About PRTA
Prothena Corp. Plc is a clinical-stage neuroscience company, which engages in the discovery and development of novel therapies to change the course of devastating diseases.
CEOGene G. Kinney
CEOGene G. Kinney
Employees163
Employees163
HeadquartersDublin, Dublin
HeadquartersDublin, Dublin
Founded2012
Founded2012
Employees163
Employees163
PRTA Key Statistics
Market cap541.80M
Market cap541.80M
Price-Earnings ratio-1.99
Price-Earnings ratio-1.99
Dividend yield—
Dividend yield—
Average volume644.50K
Average volume644.50K
High today$10.49
High today$10.49
Low today$9.97
Low today$9.97
Open price$10.29
Open price$10.29
Volume264.70K
Volume264.70K
52 Week high$17.66
52 Week high$17.66
52 Week low$4.32
52 Week low$4.32
Stock Snapshot
The current Prothena(PRTA) stock price is $10.07, with a market capitalization of 541.8M. The stock trades at a price-to-earnings (P/E) ratio of -1.99.
As of 2025-11-19, Prothena(PRTA) stock has fluctuated between $9.97 and $10.49. The current price stands at $10.07, placing the stock +1.0% above today's low and -4.1% off the high.
The Prothena(PRTA)'s current trading volume is 264.7K, compared to an average daily volume of 644.5K.
During the past year, Prothena(PRTA) stock moved between $4.32 at its lowest and $17.66 at its peak.
During the past year, Prothena(PRTA) stock moved between $4.32 at its lowest and $17.66 at its peak.
Analyst ratings
57%
of 7 ratingsBuy
57.1%
Hold
28.6%
Sell
14.3%
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