Prothena

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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. 

CEO
Gene G. Kinney
CEOGene G. Kinney
Employees
67
Employees67
Headquarters
Dublin, Dublin
HeadquartersDublin, Dublin
Founded
2012
Founded2012
Employees
67
Employees67

PRTA Key Statistics

Market cap
605.74M
Market cap605.74M
Price-Earnings ratio
-2.47
Price-Earnings ratio-2.47
Dividend yield
Dividend yield
Average volume
398.37K
Average volume398.37K
High today
$11.21
High today$11.21
Low today
$10.85
Low today$10.85
Open price
$11.10
Open price$11.10
Volume
83.83K
Volume83.83K
52 Week high
$11.69
52 Week high$11.69
52 Week low
$4.32
52 Week low$4.32

Stock Snapshot

As of today, Prothena(PRTA) shares are valued at $10.85. The company's market cap stands at 605.74M, with a P/E ratio of -2.47.

During the trading session on 2026-05-07, Prothena(PRTA) shares reached a daily high of $11.21 and a low of $10.85. At a current price of $10.85, the stock is 0.0% higher than the low and still -3.2% under the high.

Trading activity shows a volume of 83.83K, compared to an average daily volume of 398.37K.

The stock's 52-week range extends from a low of $4.32 to a high of $11.69.

The stock's 52-week range extends from a low of $4.32 to a high of $11.69.

Analyst ratings

50%

of 6 ratings
Buy
50%
Hold
33.3%
Sell
16.7%

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