Prothena
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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.
PRTA Key Statistics
Stock Snapshot
Prothena(PRTA) stock is priced at $8.84, giving the company a market capitalization of 453.31M. It carries a P/E multiple of -10.63.
On 2026-10-11, Prothena(PRTA) stock traded between a low of $8.56 and a high of $9.31. Shares are currently priced at $8.84, which is +3.3% above the low and -5.0% below the high.
Prothena(PRTA) shares are trading with a volume of 925.26K, against a daily average of 634.91K.
During the past year, Prothena(PRTA) stock moved between $7.73 at its lowest and $11.80 at its peak.
During the past year, Prothena(PRTA) stock moved between $7.73 at its lowest and $11.80 at its peak.
PRTA News
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New insider activity at Prothena ( (PRTA) ) has taken place on October 9, 2026. Significant shareholder William Scully has boosted his stake in Prothena, purcha...
Investors with an interest in Medical - Biomedical and Genetics stocks have likely encountered both CorMedix (CRMD Quick QuoteCRMD - Free Report) and Prot...
Analyst ratings
50%
of 6 ratingsPeople also own
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