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Prothena Corporation plc - Ordinary Shares (NQ:PRTA)

6.260 UNCHANGED
Streaming Delayed Price Updated: 4:00 PM EDT, Jul 18, 2025 Add to My Watchlist
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Price and Volume

Detailed Quote
Volume 510
Open 6.260
Bid (Size) 5.660 (1)
Ask (Size) 7.450 (9)
Prev. Close 6.260
Today's Range 6.260 - 6.260
52wk Range 4.320 - 25.42
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
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
The biotech firm expects to end 2025 with nearly $300 million in cash as it pivots to focus on its Alzheimer’s and Parkinson’s pipeline. 
Via Stocktwits
Topics Workforce

Performance

YTD
-54.2%
-54.2%
1 Month
+9.4%
+9.4%
3 Month
-32.7%
-32.7%
6 Month
-55.6%
-55.6%
1 Year
-74.3%
-74.3%

More News

Read More
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
Stay updated with the stocks that are on the move in today's pre-market session.
Via Chartmill
PDD Holdings Posts Weak Results, Joins EHang Holdings And Other Big Stocks Moving Lower In Tuesday's Pre-Market Session
Via Benzinga
12 Health Care Stocks Moving In Tuesday's Pre-Market Session
Via Benzinga
Why Is Prothena Stock Trading Lower On Tuesday?
Via Benzinga
US Stocks Likely To Open Higher After S&P 500's Four-Day Fall: 'Market Is Risk-Off,' Says Expert
Via Benzinga
Topics Stocks
Why E2open Shares Are Trading Higher By 25%; Here Are 20 Stocks Moving Premarket
Via Benzinga
These stocks are moving in today's after hours session
Via Chartmill
12 Health Care Stocks Moving In Friday's After-Market Session
Via Benzinga
Top movers in Friday's after hours session
Via Chartmill
Prothena Announces Phase 3 AFFIRM-AL Clinical Trial for Birtamimab in Patients with AL Amyloidosis Did Not Meet Primary Endpoint
From Prothena Corporation plc
Via Business Wire
12 Health Care Stocks Moving In Friday's After-Market Session
Via Benzinga
Beyond The Numbers: 7 Analysts Discuss Prothena Corp Stock
Via Benzinga
Top 3 Health Care Stocks That Are Preparing To Pump This Quarter
Via Benzinga
Prothena Reports First Quarter 2025 Financial Results and Business Highlights
From Prothena Corporation plc
Via Business Wire

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 6.260
When was Prothena Corporation plc - Ordinary Shares last traded?
The last trade of Prothena Corporation plc - Ordinary Shares was at 07/18/25 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 282.00M
How many shares of Prothena Corporation plc - Ordinary Shares are outstanding?
Prothena Corporation plc - Ordinary Shares has 282M shares outstanding.
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