Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
Fund Manager Portfolios
Gain insights from the world's largest funds and super investors
Analyst Insights
Price Target Consensus
See what stocks research analysts are collectively bullish/bearish on
Latest Ratings Feed
Explore the latest ratings and price targets from the best equity research analysts
Equity Analyst Profiles
Browse analysts, their latest ratings and track record
Research Firm Profiles
Browse research firm recommendations, trends, and performance
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
Analyst Index
COMING SOON - Stock index based on equity analyst consensus updated every second
Search
Sign in
Sign up
Prothena Corp
PRTA
Market cap
$574M
Overview
Fund Trends
Analyst Outlook
Journalist POV
10.66
USD
+0.54
5.34%
At close
Updated
Oct 15, 4:00 PM EDT
Pre-market
After hours
10.64
--0.02
0.19%
1D
5D
1M
3M
6M
YTD
1Y
5Y
10Y
1 day
5.34%
5 days
2.21%
1 month
30.64%
3 months
71.38%
6 months
11.16%
Year to date
-22.02%
1 year
-37%
5 years
-6.9%
10 years
-78.2%
Positive
Neutral
Negative
Sentiment
3-Months
Positive
Neutral
60%
Negative
Positive
Neutral
Negative
Neutral
Business Wire
14 days ago
Prothena's Partner Bristol Myers Squibb Obtains Fast Track Designation from the U.S. FDA for BMS-986446 (PRX005), an Anti-MTBR-Tau-Targeting Antibody, for the Treatment of Alzheimer's Disease
DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--PRTA announced that BMS communicated that the FDA granted Fast Track Designation to BMS-986446, an anti-tau antibody in P2 for Alzheimer's disease.
Negative
Zacks Investment Research
1 month ago
Prothena Down 40% Year to Date: What Lies Ahead for the Stock?
Prothena stock tumbles 40% year to date due to pipeline setbacks, though its partnered programs with Roche and Novo Nordisk still show potential.
Positive
Zacks Investment Research
1 month ago
Prothena (PRTA) Up 17.6% Since Last Earnings Report: Can It Continue?
Prothena (PRTA) reported earnings 30 days ago. What's next for the stock?
Neutral
Business Wire
1 month ago
Prothena to Participate in the Cantor Fitzgerald Global Healthcare Conference
DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--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 members of its senior management team will participate in a fireside chat at the Cantor Fitzgerald Global Healthcare Conference on Thursday, September 4, 2025 at 10:55 a.m. ET in New York, NY. A live webcast of the fireside chat can be accessed through the investor relati.
Neutral
Business Wire
1 month ago
Prothena Provides Update on PRX012 and Announces Results from the Phase 1 ASCENT Clinical Program
DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena Provides Update on PRX012 and Announces Results from the Phase 1 ASCENT Clinical Program.
Neutral
Business Wire
2 months ago
Prothena Announces that Novo Nordisk Will Advance Coramitug (Formerly PRX004) into Phase 3 Development for ATTR Amyloidosis with Cardiomyopathy
DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena announced that Novo Nordisk communicated that they expect to advance coramitug into a Phase 3 program for ATTR-CM in 2025.
Negative
The Motley Fool
2 months ago
Prothena Q2 Revenue Drops 97%
Prothena (PRTA 3.96%), a biotechnology company focused on developing therapies for neurodegenerative diseases, released its second quarter 2025 results on August 4, 2025. The period saw notably weaker-than-expected performance, with GAAP EPS of -2.34 missing the analysts' estimate of -1.25 and a much larger GAAP net loss than anticipated.
Negative
Zacks Investment Research
2 months ago
Prothena (PRTA) Reports Q2 Loss, Lags Revenue Estimates
Prothena (PRTA) came out with a quarterly loss of $1.86 per share versus the Zacks Consensus Estimate of a loss of $1.11. This compares to earnings of $1.22 per share a year ago.
Neutral
Business Wire
2 months ago
Prothena Reports Second Quarter 2025 Financial Results and Business Highlights
DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena today reported financial results for the second quarter and first six months of 2025 and provided business highlights.
Neutral
Business Wire
2 months ago
Prothena to Report Second Quarter 2025 Financial Results on August 4
DUBLIN--(BUSINESS WIRE)--Prothena today announced that it will report its second quarter and first six months of 2025 financial results on August 4, 2025.
Show more
See News Rankings
Sign up
Sign in
Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
Fund Manager Portfolios
Gain insights from the world's largest funds and super investors
Analyst Insights
Price Target Consensus
See what stocks research analysts are collectively bullish/bearish on
Latest Ratings Feed
Explore the latest ratings and price targets from the best equity research analysts
Equity Analyst Profiles
Browse analysts, their latest ratings and track record
Research Firm Profiles
Browse research firm recommendations, trends, and performance
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
Analyst Index
COMING SOON - Stock index based on equity analyst consensus updated every second
Theme
Close