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Prothena Corp

9.09 USD
-0.16
1.73%
At close Updated Aug 27, 4:00 PM EDT
1 day
-1.73%
5 days
-0.22%
1 month
4.48%
3 months
-9.37%
6 months
4.84%
Year to date
-1.2%
1 year
6.19%
5 years
-86.66%
10 years
-81.85%
 

About: Prothena Corp PLC is a late-stage clinical biotechnology company that focuses on protein dysregulation and a pipeline of investigational therapeutics with the potential to change the course of devastating neurodegenerative and rare and peripheral amyloid diseases. Prothena is developing and applying its proprietary CYTOPE technology to target a broad spectrum of intracellular disease pathways in the brain and periphery. The company's pipeline includes both wholly-owned and partnered programs like Prasinezumab, Coramitug (PRX004), BMS-986446 (PRX005), PRX019, TDP-43 CYTOPE, and PRX012-TfR, being developed for the potential treatment of Parkinson's disease, ATTR amyloidosis with cardiomyopathy, Alzheimer's disease, Amyotrophic lateral sclerosis (ALS), and other neurodegenerative diseases.

Employees: 67

News

Positive
Neutral
Negative
Sentiment 3-Months
Positive 57.1%
Neutral 28.6%
Negative 14.3%
Positive
Zacks Investment Research
13 days ago
KMDA or PRTA: Which Is the Better Value Stock Right Now?
Investors interested in Medical - Biomedical and Genetics stocks are likely familiar with Kamada (KMDA) and Prothena (PRTA). But which of these two companies is the best option for those looking for undervalued stocks?
KMDA or PRTA: Which Is the Better Value Stock Right Now?
Positive
Zacks Investment Research
20 days ago
PRTA's Q2 Loss Narrower Than Expected, Pipeline Progress in Focus
Prothena beat adjusted Q2 loss estimates, reaffirmed 2026 cash-use guidance and highlights partner pipeline progress as a key milestone decision nears.
PRTA's Q2 Loss Narrower Than Expected, Pipeline Progress in Focus
Negative
Zacks Investment Research
21 days ago
Prothena (PRTA) Reports Q2 Loss, Misses Revenue Estimates
Prothena (PRTA) came out with a quarterly loss of $0.32 per share versus the Zacks Consensus Estimate of a loss of $0.39. This compares to a loss of $1.86 per share a year ago.
Prothena (PRTA) Reports Q2 Loss, Misses Revenue Estimates
Neutral
Business Wire
21 days ago
Prothena Reports Second Quarter 2026 Financial Results and Business Highlights
DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena reported financial results for the second quarter and first six months of 2026 and provided business highlights.
Prothena Reports Second Quarter 2026 Financial Results and Business Highlights
Neutral
Business Wire
28 days ago
Prothena to Report Second Quarter 2026 Financial Results on August 6
DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena will report its second quarter and first six months of 2026 financial results on August 6, 2026.
Prothena to Report Second Quarter 2026 Financial Results on August 6
Positive
Zacks Investment Research
1 month ago
PRTA Stock Rises Nearly 11% in Six Months: What's Driving It?
Prothena shares climb as late-stage partnered programs advance, milestone payments strengthen finances and its neurodegenerative pipeline continues to expand.
PRTA Stock Rises Nearly 11% in Six Months: What's Driving It?
Positive
Zacks Investment Research
2 months ago
SRPT or PRTA: Which Is the Better Value Stock Right Now?
Investors interested in Medical - Biomedical and Genetics stocks are likely familiar with Sarepta Therapeutics (SRPT) and Prothena (PRTA). But which of these two stocks is more attractive to value investors?
SRPT or PRTA: Which Is the Better Value Stock Right Now?
Positive
Zacks Investment Research
3 months ago
Prothena Posts Q1 Earnings as Revenues Surge on Milestone Payment
PRTA posted a Q1 profit as a $50M Novo Nordisk milestone payment boosted revenue and improved its 2026 cash outlook.
Prothena Posts Q1 Earnings as Revenues Surge on Milestone Payment
Neutral
Business Wire
3 months ago
Prothena Reports First Quarter 2026 Financial Results and Business Highlights
DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena today reported financial results for the first quarter of 2026 and provided business highlights.
Prothena Reports First Quarter 2026 Financial Results and Business Highlights
Neutral
Business Wire
3 months ago
Prothena to Report First Quarter 2026 Financial Results on May 7
DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena announced that it will report its first quarter 2026 financial results on Thursday, May 7, 2026, after close of the U.S. financial markets.
Prothena to Report First Quarter 2026 Financial Results on May 7
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