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Prothena Corporation plc - Ordinary Shares (PRTA)

4.5900
-0.1100 (-2.34%)
NASDAQ · Last Trade: May 30th, 11:04 PM EDT
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Detailed Quote

Previous Close4.700
Open4.600
Bid4.480
Ask4.840
Day's Range4.422 - 4.700
52 Week Range6.360 - 25.42
Volume1,966,074
Market Cap206.77M
PE Ratio (TTM)-2.004
EPS (TTM)-2.3
Dividend & YieldN/A (N/A)
1 Month Average Volume1,787,561

Chart

About Prothena Corporation plc - Ordinary Shares (PRTA)

Prothena Corp is a biotechnology company focused on the discovery and development of innovative therapies to treat diseases caused by protein misfolding and aggregation. The company specializes in the research and development of monoclonal antibodies and other advanced treatments aimed at targeting neurodegenerative diseases, including Alzheimer's and Parkinson's. Through its proprietary platform, Prothena aims to address significant unmet medical needs by advancing its drug candidates through clinical trials, ultimately seeking to enhance the quality of life for patients suffering from these challenging conditions. Read More

News & Press Releases

Williams Companies To Rally Over 11%? Here Are 10 Top Analyst Forecasts For Wednesdaywilliams-com
Via Benzinga · May 28, 2025
Here are the top movers in Tuesday's session.chartmill.com
Here are the top movers in Tuesday's session, showcasing the stocks with significant price changes.
Via Chartmill · May 27, 2025
12 Health Care Stocks Moving In Tuesday's Intraday Sessionbenzinga.com
Via Benzinga · May 27, 2025
Let's have a look at the top gainers and losers in the middle of the day of today's session.chartmill.com
Wondering how the US markets performed in the middle of the day on Tuesday? Discover the movers and shakers of today's session in our comprehensive analysis.
Via Chartmill · May 27, 2025
Earnings Scheduled For May 8, 2025benzinga.com
Via Benzinga · May 8, 2025
A Look Ahead: Prothena Corp's Earnings Forecastbenzinga.com
Via Benzinga · May 7, 2025
There are notable gap-ups and gap-downs in today's session.chartmill.com
In today's session, there are notable price gaps in the US markets on Tuesday. Take a closer look at the stocks that are gap up and gap down.
Via Chartmill · May 27, 2025
PTC Therapeutics To Rally Around 61%? Here Are 10 Top Analyst Forecasts For Tuesdaybenzinga.com
Via Benzinga · May 27, 2025
Expert Outlook: Prothena Corp Through The Eyes Of 5 Analystsbenzinga.com
Via Benzinga · May 27, 2025
Stay updated with the stocks that are on the move in today's pre-market session.chartmill.com
Before the US market kicks off on Tuesday, let's examine the pre-market session and unveil the notable performers among the top gainers and losers.
Via Chartmill · May 27, 2025
PDD Holdings Posts Weak Results, Joins EHang Holdings And Other Big Stocks Moving Lower In Tuesday's Pre-Market Sessionbenzinga.com
Via Benzinga · May 27, 2025
12 Health Care Stocks Moving In Tuesday's Pre-Market Sessionbenzinga.com
Via Benzinga · May 27, 2025
Why Is Prothena Stock Trading Lower On Tuesday?benzinga.com
Prothena halts birtamimab development after Phase 3 trial fails to meet endpoints in AL amyloidosis patients; cost cuts and new focus expected.
Via Benzinga · May 27, 2025
US Stocks Likely To Open Higher After S&P 500's Four-Day Fall: 'Market Is Risk-Off,' Says Expertbenzinga.com
U.S. stock futures rose on Tuesday after closing lower for the week on Friday. Futures of benchmark indices were trading higher in premarket.
Via Benzinga · May 27, 2025
Why E2open Shares Are Trading Higher By 25%; Here Are 20 Stocks Moving Premarketbenzinga.com
Via Benzinga · May 27, 2025
These stocks are moving in today's after hours sessionchartmill.com
As the regular session of the US market on Monday comes to an end, let's delve into the after-hours session and discover the top gainers and losers shaping the post-market sentiment.
Via Chartmill · May 26, 2025
12 Health Care Stocks Moving In Friday's After-Market Sessionbenzinga.com
Via Benzinga · May 23, 2025
Top movers in Friday's after hours sessionchartmill.com
As the regular session of the US market on Friday comes to an end, let's delve into the after-hours session and discover the top gainers and losers shaping the post-market sentiment.
Via Chartmill · May 23, 2025
Prothena Announces Phase 3 AFFIRM-AL Clinical Trial for Birtamimab in Patients with AL Amyloidosis Did Not Meet Primary Endpoint
Prothena Corporation plc (NASDAQ:PRTA) today announced the Phase 3 AFFIRM-AL clinical trial evaluating birtamimab in patients with AL amyloidosis did not meet its primary endpoint (HR=0.915, p-value=0.7680). Based on these results, the Company will discontinue the development of birtamimab, including stopping the open label extension of the AFFIRM-AL clinical trial.
By Prothena Corporation plc · Via Business Wire · May 23, 2025
12 Health Care Stocks Moving In Friday's After-Market Sessionbenzinga.com
Via Benzinga · May 16, 2025
Beyond The Numbers: 7 Analysts Discuss Prothena Corp Stockbenzinga.com
Via Benzinga · May 9, 2025
Top 3 Health Care Stocks That Are Preparing To Pump This Quarterbenzinga.com
Via Benzinga · May 9, 2025
Prothena Reports First Quarter 2025 Financial Results and Business Highlights
Prothena Corporation plc (NASDAQ:PRTA), a late-stage clinical biotechnology company with a robust pipeline of investigational therapeutics built on protein dysregulation expertise, today reported financial results for the first quarter of 2025 and provided business highlights.
By Prothena Corporation plc · Via Business Wire · May 8, 2025
Prothena to Report First Quarter 2025 Financial Results on May 8
Prothena Corporation plc (NASDAQ:PRTA), a late-stage clinical biotechnology company with a robust pipeline of investigational therapeutics built on protein dysregulation expertise, today announced that it will report its first quarter 2025 financial results on Thursday, May 8, 2025, after the close of the U.S. financial markets.
By Prothena Corporation plc · Via Business Wire · May 1, 2025
CrowdStrike To Rally Over 18%? Here Are 10 Top Analyst Forecasts For Wednesdaybenzinga.com
Via Benzinga · February 26, 2025