Sectors

PRTA
Prothena Corporation plc
9.35
1 x 9.35
2 x 11.76
bid
ask
+
0.02
0.21%
2 @ 07:30 PM
9.35 +0.00 (0.00%)
Ytd-2.09%
1y14.02%
9.10
day range
9.40
7.73
52 week range
11.80
Open9.26Prev Close9.33Low9.10High9.40Mkt Cap480.00M
Vol335.15KAvg Vol527.69KEPS-0.82P/EN/AForward P/E-3.57
Beta0.16Short Ratio17.35Inst. Own96.97%DividendN/ADiv YieldN/A
Ex Div DateN/AEarning11-0550-d Avg9.04200-d Avg9.511yr Est49.75

PRTA News

KMDA or PRTA: Which Is the Better Value Stock Right Now?
zacks.com
KMDA or PRTA: Which Is the Better Value Stock Right Now?

Investors interested in Medical - Biomedical and Genetics stocks are likely familiar with Kamada (KM

PRTA's Q2 Loss Narrower Than Expected, Pipeline Progress in Focus
zacks.com
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 p

benzinga.com
CORRECTION: Prothena Corp Q2 EPS $(0.36) Misses $(0.09) Estimate, Sales $1.010M Miss $28.295M Estima

Prothena Corp (NASDAQ:PRTA) reported quarterly losses of $(0.36) per share which missed the analyst

Prothena (PRTA) Reports Q2 Loss, Misses Revenue Estimates
zacks.com
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 Estimat

Prothena Reports Second Quarter 2026 Financial Results and Business Highlights
businesswire.com
Prothena Reports Second Quarter 2026 Financial Results and Business Highlights

DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena reported financial results for the second quar

Prothena (NASDAQ:PRTA) Share Price Passes Below 200-Day Moving Average   – Time to Sell?
defenseworld.net
Prothena (NASDAQ:PRTA) Share Price Passes Below 200-Day Moving Average – Time to Sell?

Shares of Prothena Corporation plc (NASDAQ: PRTA - Get Free Report) passed below its 200-day moving

12 Health Care Stocks Moving In Tuesday's Pre-Market Session
benzinga.com
12 Health Care Stocks Moving In Tuesday's Pre-Market Session

Gainers Jupiter Neurosciences (NASDAQ:JUNS) stock rose 36.4% to $0.23 during Tuesday's pre-mark

Why Crown Holdings Shares Are Trading Higher; Here Are 20 Stocks Moving Premarket
benzinga.com
Why Crown Holdings Shares Are Trading Higher; Here Are 20 Stocks Moving Premarket

Crown Holdings Inc (CCK) stock gained 16.4% in pre-market trading after reporting strong Q2 results

PRTA Stock Rises Nearly 11% in Six Months: What's Driving It?
zacks.com
PRTA Stock Rises Nearly 11% in Six Months: What's Driving It?

Prothena shares climb as late-stage partnered programs advance, milestone payments strengthen financ

SRPT or PRTA: Which Is the Better Value Stock Right Now?
zacks.com
SRPT or PRTA: Which Is the Better Value Stock Right Now?

Investors interested in Medical - Biomedical and Genetics stocks are likely familiar with Sarepta Th

benzinga.com
UPDATED: Watching Prothena; Shares Spike Higher, Form4 Filing Shows William P. Scully Bought 100,000

https://www.sec.gov/Archives/edgar/data/1559053/000104546326000004/xslF345X06/primary_doc.xml

Prothena Posts Q1 Earnings as Revenues Surge on Milestone Payment
zacks.com
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 20

benzinga.com
Citizens Maintains Market Outperform on Prothena Corp, Raises Price Target to $20

Citizens analyst Jason N. Butler maintains Prothena Corp (NASDAQ:PRTA) with a Market Outperform a

benzinga.com
Prothena Corp Q1 EPS $0.60 Beats $(0.34) Estimate, Sales $51.084M Beat $1.010M Estimate

Prothena Corp (NASDAQ:PRTA) reported quarterly earnings of $0.60 per share which beat the analyst co

Prothena Reports First Quarter 2026 Financial Results and Business Highlights
businesswire.com
Prothena Reports First Quarter 2026 Financial Results and Business Highlights

DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena today reported financial results for the first

12 Health Care Stocks Moving In Monday's After-Market Session
benzinga.com
12 Health Care Stocks Moving In Monday's After-Market Session

benzinga.com
Prothena Announces Coramitug Amyloid Depleter Antibody Receives FDA's Fast Track Designation To Trea

Prothena Corporation plc (NASDAQ:PRTA) today announced that the U.S. Food and Drug Administration (F

Prothena Announces Novo Nordisk Obtains Fast Track Designation from the U.S. FDA for Coramitug (PRX004) in ATTR Amyloidosis with Cardiomyopathy
businesswire.com
Prothena Announces Novo Nordisk Obtains Fast Track Designation from the U.S. FDA for Coramitug (PRX0

DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena announces Novo Nordisk obtains Fast Track Desi

Prothena Announces Leadership Team Updates
businesswire.com
Prothena Announces Leadership Team Updates

DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena promoting Ms. Kingston to Chief Strategy Offic

Wall Street Analysts Think Prothena (PRTA) Could Surge 120.19%: Read This Before Placing a Bet
zacks.com
Wall Street Analysts Think Prothena (PRTA) Could Surge 120.19%: Read This Before Placing a Bet

The mean of analysts' price targets for Prothena (PRTA) points to a 120.2% upside in the stock. Whil

Prothena Partners Present Data Supporting Next Generation Treatments for Parkinson's and Alzheimer's Disease at AD/PDâ„¢ 2026
businesswire.com
Prothena Partners Present Data Supporting Next Generation Treatments for Parkinson's and Alzheimer's

DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena partners presented clinical data updates for p

Prothena Announces Achievement of $50 Million Clinical Milestone Payment from Novo Nordisk Related to Ongoing Phase 3 Clinical Trial for Coramitug (Formerly PRX004) in ATTR Amyloidosis with Cardiomyopathy
businesswire.com
Prothena Announces Achievement of $50 Million Clinical Milestone Payment from Novo Nordisk Related t

DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena earned a $50 million milestone from Novo Nordi

Prothena: A Hold With 2 Late-Stage Programs Underway But With Caution
seekingalpha.com
Prothena: A Hold With 2 Late-Stage Programs Underway But With Caution

Prothena Corporation plc is maintained at a Hold rating due to mixed phase 2 data and long timelines

Wall Street Analysts Believe Prothena (PRTA) Could Rally 118.09%: Here's is How to Trade
zacks.com
Wall Street Analysts Believe Prothena (PRTA) Could Rally 118.09%: Here's is How to Trade

The consensus price target hints at an 118.1% upside potential for Prothena (PRTA). While empirical

Prothena Announces up to $100 Million Share Repurchase Plan
businesswire.com
Prothena Announces up to $100 Million Share Repurchase Plan

DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena announced its Board has authorized a Share Rep

Prothena Q4 Earnings Meet Estimates, Pipeline Progress in Focus
zacks.com
Prothena Q4 Earnings Meet Estimates, Pipeline Progress in Focus

PRTA posts a narrower year-over-year Q4 loss. Revenues miss estimates, as it outlines 2026 cash burn

benzinga.com
RBC Capital Maintains Sector Perform on Prothena Corp, Raises Price Target to $12

RBC Capital analyst Brian Abrahams maintains Prothena Corp (NASDAQ:PRTA) with a Sector Perform an

Prothena Corporation plc (PRTA) Q4 2025 Earnings Call Transcript
seekingalpha.com
Prothena Corporation plc (PRTA) Q4 2025 Earnings Call Transcript

Prothena Corporation plc (PRTA) Q4 2025 Earnings Call Transcript

Prothena (PRTA) Reports Q4 Loss, Lags Revenue Estimates
zacks.com
Prothena (PRTA) Reports Q4 Loss, Lags Revenue Estimates

Prothena (PRTA) came out with a quarterly loss of $0.44 per share versus the Zacks Consensus Estimat

Prothena Corp Q4 Earnings Assessment
benzinga.com
Prothena Corp Q4 Earnings Assessment

benzinga.com
Prothena Corp Q4 EPS $(0.40) Beats $(0.54) Estimate, Sales $21.000K Miss $1.334M Estimate

Prothena Corp (NASDAQ:PRTA) reported quarterly losses of $(0.40) per share which beat the analyst co

Earnings Scheduled For February 19, 2026
benzinga.com
Earnings Scheduled For February 19, 2026

Exploring Prothena Corp's Earnings Expectations
benzinga.com
Exploring Prothena Corp's Earnings Expectations

Amazon To Rally Around 31%? Here Are 10 Top Analyst Forecasts For Monday
benzinga.com
Amazon To Rally Around 31%? Here Are 10 Top Analyst Forecasts For Monday

benzinga.com
Citizens Maintains Market Outperform on Prothena Corp, Raises Price Target to $19

Citizens analyst Jason Butler maintains Prothena Corp (NASDAQ:PRTA) with a Market Outperform and

benzinga.com
Prothena Data From TDP-43 CYTOPE Program Demonstrates CYTOPE Technology's Potential To Deliver Large

Prothena Corporation plc (NASDAQ:PRTA), a late-stage clinical biotechnology company with a robust pi

Novo Nordisk's $100 Million Coramitug Shows Promise In Reducing Heart Failure Biomarker
benzinga.com
Novo Nordisk's $100 Million Coramitug Shows Promise In Reducing Heart Failure Biomarker

Novo Nordisk's Coramitug cut NT-proBNP levels and was well tolerated in a Phase 2 ATTR-CM trial,

benzinga.com
Prothena Presents Phase 2 Clinical Study Data For Coramitug For Treatment Of ATTR Amyloidosis With C

Prothena Corporation plc (NASDAQ:PRTA) announced the publication of Phase 2 clinical trial data for

benzinga.com
HC Wainwright & Co. Maintains Buy on Prothena Corp, Raises Price Target to $30

HC Wainwright & Co. analyst Andrew S. Fein maintains Prothena Corp (NASDAQ:PRTA) with a Buy a

benzinga.com
RBC Capital Maintains Sector Perform on Prothena Corp, Raises Price Target to $11

RBC Capital analyst Brian Abrahams maintains Prothena Corp (NASDAQ:PRTA) with a Sector Perform an

benzinga.com
Prothena Corp Q3 Adj. EPS $(0.68) Beats $(0.69) Estimate, Sales $2.415M Miss $6.639M Estimate

Prothena Corp (NASDAQ:PRTA) reported quarterly losses of $(0.68) per share which beat the analyst co

Earnings Scheduled For November 6, 2025
benzinga.com
Earnings Scheduled For November 6, 2025

benzinga.com
Piper Sandler Maintains Overweight on Prothena Corp, Raises Price Target to $36

Piper Sandler analyst Yasmeen Rahimi maintains Prothena Corp (NASDAQ:PRTA) with a Overweight and

benzinga.com
Deep Dive Into Prothena Corp Stock: Analyst Perspectives (7 Ratings)

benzinga.com
HC Wainwright & Co. Maintains Buy on Prothena Corp, Raises Price Target to $20

HC Wainwright & Co. analyst Andrew S. Fein maintains Prothena Corp (NASDAQ:PRTA) with a Buy a

benzinga.com
Prothena's Partner Bristol Myers Squibb Receives Fast Track Designation From The FDA For BMS-986446

Prothena Corporation plc (NASDAQ:PRTA), announced today that Bristol Myers Squibb communicated in a

Alibaba To Rally More Than 12%? Here Are 10 Top Analyst Forecasts For Tuesday
benzinga.com
Alibaba To Rally More Than 12%? Here Are 10 Top Analyst Forecasts For Tuesday

benzinga.com
JMP Securities Maintains Market Outperform on Prothena Corp, Lowers Price Target to $11

JMP Securities analyst Jason Butler maintains Prothena Corp (NASDAQ:PRTA) with a Market Outperfor

FDA Tightens Safety Guidelines For Biogen Leqembi Alzheimer's Therapy
benzinga.com
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

Prothena Reports Non-Competitive Brain Swelling Rates In Early Alzheimer's Study
benzinga.com
Prothena Reports Non-Competitive Brain Swelling Rates In Early Alzheimer's Study

Prothena reported ASCENT trial data showing strong amyloid plaque reduction but high ARIA-E rates fo