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Prothena Corporation plc - Ordinary Shares (NQ:PRTA)

8.060 -0.100 (-1.23%)
Streaming Delayed Price Updated: 4:00 PM EDT, Sep 17, 2025 Add to My Watchlist
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Price and Volume

Detailed Quote
Volume 507,619
Open 8.190
Bid (Size) 8.040 (3)
Ask (Size) 8.410 (4)
Prev. Close 8.160
Today's Range 8.040 - 8.385
52wk Range 4.320 - 22.41
Shares Outstanding 45,047,449
Dividend Yield N/A
Chart for (: )
Intraday 1 Week 1 Month 3 Month 1 Year 3 Year 5 Year

Top News

More News
Alibaba To Rally More Than 12%? Here Are 10 Top Analyst Forecasts For Tuesday
 
Via Benzinga
FDA Tightens Safety Guidelines For Biogen Leqembi Alzheimer's Therapy
The FDA now requires earlier MRI screening for Alzheimer's drug Leqembi to detect ARIA-E, a rare but serious side effect, aiming to improve treatment safety for patients. 
Via Benzinga

Performance

YTD
-41.0%
-41.0%
1 Month
-5.5%
-5.5%
3 Month
+40.2%
+40.2%
6 Month
-37.4%
-37.4%
1 Year
-63.3%
-63.3%

More News

Read More
Prothena to Participate in the Cantor Fitzgerald Global Healthcare Conference
From Prothena Corporation plc
Via Business Wire
Prothena Reports Non-Competitive Brain Swelling Rates In Early Alzheimer's Study
Via Benzinga
9 Analysts Assess Prothena Corp: What You Need To Know
Via Benzinga
Earnings Scheduled For August 4, 2025
Via Benzinga
A Glimpse of Prothena Corp's Earnings Potential
Via Benzinga
What 4 Analyst Ratings Have To Say About Prothena Corp
Via Benzinga
Prothena Provides Update on PRX012 and Announces Results from the Phase 1 ASCENT Clinical Program
From Prothena Corporation plc
Via Business Wire
Novo Nordisk Commits To Advancing Prothena Corp-Developed Drug Into Late Stage Trial: Retail Turns Hopeful
Via Stocktwits
Topics Earnings
Prothena Announces that Novo Nordisk Will Advance Coramitug (Formerly PRX004) into Phase 3 Development for ATTR Amyloidosis with Cardiomyopathy
From Prothena Corporation plc
Via Business Wire
Prothena Q2 Revenue Drops 97%
Via The Motley Fool
Topics Intellectual Property
Prothena Reports Second Quarter 2025 Financial Results and Business Highlights
From Prothena Corporation plc
Via Business Wire
Prothena to Report Second Quarter 2025 Financial Results on August 4
From Prothena Corporation plc
Via Business Wire
8 Analysts Assess Prothena Corp: What You Need To Know
Via Benzinga
Prothena Shares Get A Boost After Company Slashes Workforce, Lowers 2025 Cash Burn Forecast
Via Stocktwits
Topics Workforce
Prothena Announces Corporate Restructuring
From Prothena Corporation plc
Via Business Wire
Prothena’s Partner Roche to Advance Prasinezumab into Phase III Development for Early-Stage Parkinson's Disease
From Prothena Corporation plc
Via Business Wire
Williams Companies To Rally Over 11%? Here Are 10 Top Analyst Forecasts For Wednesday
Via Benzinga
Here are the top movers in Tuesday's session.
Via Chartmill
12 Health Care Stocks Moving In Tuesday's Intraday Session
Via Benzinga
Let's have a look at the top gainers and losers in the middle of the day of today's session.
Via Chartmill
There are notable gap-ups and gap-downs in today's session.
Via Chartmill
PTC Therapeutics To Rally Around 61%? Here Are 10 Top Analyst Forecasts For Tuesday
Via Benzinga
Expert Outlook: Prothena Corp Through The Eyes Of 5 Analysts
Via Benzinga

Frequently Asked Questions

Is Prothena Corporation plc - Ordinary Shares publicly traded?
Yes, Prothena Corporation plc - Ordinary Shares is publicly traded.
What exchange does Prothena Corporation plc - Ordinary Shares trade on?
Prothena Corporation plc - Ordinary Shares trades on the Nasdaq Stock Market
What is the ticker symbol for Prothena Corporation plc - Ordinary Shares?
The ticker symbol for Prothena Corporation plc - Ordinary Shares is PRTA on the Nasdaq Stock Market
What is the current price of Prothena Corporation plc - Ordinary Shares?
The current price of Prothena Corporation plc - Ordinary Shares is 8.060
When was Prothena Corporation plc - Ordinary Shares last traded?
The last trade of Prothena Corporation plc - Ordinary Shares was at 09/17/25 04:00 PM ET
What is the market capitalization of Prothena Corporation plc - Ordinary Shares?
The market capitalization of Prothena Corporation plc - Ordinary Shares is 363.08M
How many shares of Prothena Corporation plc - Ordinary Shares are outstanding?
Prothena Corporation plc - Ordinary Shares has 363M shares outstanding.
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