Prothena
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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 cap496.31M
Market cap496.31M
Price-Earnings ratio-1.77
Price-Earnings ratio-1.77
Dividend yield—
Dividend yield—
Average volume990.34K
Average volume990.34K
High today$9.56
High today$9.56
Low today$9.09
Low today$9.09
Open price$9.38
Open price$9.38
Volume4.04M
Volume4.04M
52 Week high$16.67
52 Week high$16.67
52 Week low$4.32
52 Week low$4.32
Stock Snapshot
With a market cap of 496.31M, Prothena(PRTA) trades at $9.24. The stock has a price-to-earnings ratio of -1.77.
During the trading session on 2025-12-21, Prothena(PRTA) shares reached a daily high of $9.56 and a low of $9.09. At a current price of $9.24, the stock is +1.7% higher than the low and still -3.3% under the high.
Trading activity shows a volume of 4.04M, compared to an average daily volume of 990.34K.
Over the past 52 weeks, Prothena(PRTA) stock has traded between a high of $16.67 and a low of $4.32.
Over the past 52 weeks, Prothena(PRTA) stock has traded between a high of $16.67 and a low of $4.32.
Analyst ratings
50%
of 6 ratingsBuy
50%
Hold
33.3%
Sell
16.7%
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