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6.29
0.48%
0.03
After Hours:
6.29
Prothena Corporation Plc stock is traded at $6.29, with a volume of 686.60K.
It is up +0.48% in the last 24 hours and up +9.97% over the past month.
Prothena Corp PLC is a 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. The company's clinical pipeline of antibody-based product candidates targets a range of indications, including Amyloid Light-chain (AL) amyloidosis (NEOD001), Parkinson's disease and other related synucleinopathies (PRX002), and inflammatory diseases, including ATTR amyloidosis [Coramitug (PRX004)], Alzheimer's disease (PRX123), Neurodegeneration (PRXPRX019), and Others.
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Previous Close:
$6.26
Open:
$6.27
24h Volume:
686.60K
Relative Volume:
0.40
Market Cap:
$338.57M
Revenue:
$217.25M
Net Income/Loss:
$-50.92M
P/E Ratio:
-6.29
EPS:
-1
Net Cash Flow:
$-100.85M
1W Performance:
-2.18%
1M Performance:
+9.97%
6M Performance:
-55.42%
1Y Performance:
-73.32%
1-Day Range:
$6.24
$6.52
1-Week Range:
$6.16
$6.621
52-Week Range:
$4.32
$25.42
Prothena Corporation Plc Stock (PRTA) Company Profile
Name
Prothena Corporation Plc
Sector
Industry
Phone
011-353-1-236-2500
Address
77 SIR JOHN ROGERSON'S QUAY, BLOCK C, DUBLIN 2
Compare PRTA with other stocks
| Stocks | Price | Market Cap | Revenue | Net Income | Cash Flow | EPS |
|---|---|---|---|---|---|---|
PRTA
Prothena Corporation Plc
|
6.29 | 346.11M | 217.25M | -50.92M | -100.85M | -1.00 |
|
VRTX
Vertex Pharmaceuticals Inc
|
458.49 | 121.30B | 11.10B | -988.90M | -1.26B | -3.92 |
|
REGN
Regeneron Pharmaceuticals Inc
|
545.53 | 61.60B | 14.09B | 4.50B | 2.96B | 39.28 |
|
ALNY
Alnylam Pharmaceuticals Inc
|
320.52 | 41.17B | 2.35B | -269.70M | -75.39M | -2.09 |
|
ARGX
Argen X Se Adr
|
566.14 | 34.35B | 2.58B | 1.06B | -1.28B | 16.33 |
|
ONC
Beone Medicines Ltd Adr
|
291.93 | 27.29B | 3.81B | -644.79M | -669.77M | -6.24 |
Prothena Corporation Plc Stock (PRTA) Upgrades & Downgrades
| Date | Action | Analyst | Rating Change |
|---|---|---|---|
| May-28-25 | Downgrade | BofA Securities | Neutral → Underperform |
| May-27-25 | Downgrade | Cantor Fitzgerald | Overweight → Neutral |
| May-27-25 | Downgrade | Jefferies | Buy → Hold |
| May-27-25 | Downgrade | Oppenheimer | Outperform → Perform |
| Dec-20-24 | Initiated | Chardan Capital Markets | Buy |
| Jan-30-24 | Downgrade | BofA Securities | Buy → Neutral |
| Dec-12-23 | Initiated | Deutsche Bank | Buy |
| Apr-24-23 | Initiated | SVB Securities | Outperform |
| Jan-27-23 | Initiated | Piper Sandler | Overweight |
| Nov-04-22 | Downgrade | RBC Capital Mkts | Outperform → Sector Perform |
| Sep-28-22 | Upgrade | BofA Securities | Neutral → Buy |
| Nov-19-21 | Initiated | JMP Securities | Mkt Outperform |
| Jun-18-21 | Upgrade | BofA Securities | Underperform → Neutral |
| Jun-08-21 | Reiterated | Oppenheimer | Outperform |
| May-26-21 | Initiated | Citigroup | Buy |
| Feb-26-21 | Upgrade | RBC Capital Mkts | Sector Perform → Outperform |
| Feb-12-21 | Upgrade | Jefferies | Hold → Buy |
| Feb-02-21 | Upgrade | BTIG Research | Neutral → Buy |
| Dec-07-20 | Initiated | H.C. Wainwright | Buy |
| Jul-09-20 | Upgrade | Oppenheimer | Perform → Outperform |
| Nov-19-19 | Upgrade | Evercore ISI | In-line → Outperform |
| May-21-18 | Downgrade | Barclays | Equal Weight → Underweight |
| Apr-23-18 | Downgrade | Jefferies | Buy → Hold |
| Apr-05-18 | Reiterated | Barclays | Overweight |
| Nov-20-17 | Downgrade | Wedbush | Outperform → Neutral |
| Sep-29-17 | Reiterated | BTIG Research | Buy |
| Sep-15-17 | Initiated | RBC Capital Mkts | Outperform |
| Aug-17-17 | Initiated | Evercore ISI | Outperform |
| Jul-11-17 | Initiated | Jefferies | Buy |
| Apr-12-17 | Initiated | Cantor Fitzgerald | Overweight |
| Apr-12-17 | Initiated | Piper Jaffray | Overweight |
| Mar-02-17 | Initiated | Instinet | Buy |
| Dec-21-16 | Initiated | SunTrust | Buy |
| Nov-03-16 | Initiated | Deutsche Bank | Buy |
| Aug-04-16 | Reiterated | Barclays | Overweight |
| May-13-16 | Initiated | Barclays | Overweight |
| Feb-19-16 | Reiterated | Wedbush | Outperform |
| Jan-21-16 | Initiated | Credit Suisse | Outperform |
View All
Prothena Corporation Plc Stock (PRTA) Latest News
Is Prothena Corporation plc a good long term investmentHigh-margin investment plays - jammulinksnews.com
Prothena Corporation plc Stock Analysis and ForecastMassive wealth growth - jammulinksnews.com
What drives Prothena Corporation plc stock priceHigh-octane gains - jammulinksnews.com
What analysts say about Prothena Corporation plc stockRapid portfolio appreciation - jammulinksnews.com
How to Take Advantage of moves in (PRTA) - news.stocktradersdaily.com
Why Prothena Corporation plc stock attracts strong analyst attentionFree Smart Investment Opportunities - Newser
What makes Prothena Corporation plc stock price move sharplyFree Stock Market Practical Discussion Forums - Newser
How Prothena Corporation plc stock performs during market volatilityFree Capital Allocation Plans - Newser
Cambridge Investment Research Advisors Inc. Acquires Shares of 10,164 Prothena Corporation plc (NASDAQ:PRTA) - Defense World
Piper Sandler Reduces Prothena (PRTA) Price Target to $81 from $110 Following AFFIRM-AL Trial Discontinuation - MSN
PRTA Dives 53.5% YTD: Will the Restructuring Effort Boost Prospects? - sharewise.com
Roche’s Phase 3 Move Boosts Outlook for Prothena Corporation plc (PRTA) - MSN
Prothena to lay off majority of staff; Zealand shares obesity drug data - BioPharma Dive
Peninsula biotech will cut half its workforce, but partner takes Parkinson's drug into late-stage trial - The Business Journals
Prothena announces 63% workforce reduction following birtamimab halt - Investing.com
Prothena (PRTA) Cuts Workforce by 63% to Reduce Costs - GuruFocus
Prothena (PRTA) Shares Rise Following Corporate Restructuring an - GuruFocus
Prothena Announces Major Workforce Reduction to Cut Costs - TipRanks
Prothena (PRTA) Adjusts 2025 Financial Outlook Amid Reorganizati - GuruFocus
Prothena Announces Corporate Restructuring | PRTA Stock News - GuruFocus
Prothena (PRTA) Announces Leadership Changes Amid Workforce Reduction | PRTA Stock News - GuruFocus
Prothena to cut workforce by 63% amid strategic review - Investing.com
Prothena announces corporate restructuring - MarketScreener
Prothena Announces Corporate Restructuring - Business Wire
Chardan Lowers Prothena (PRTA) Price Target Following AFFIRM-AL Trial Failure - MSN
Prothena (NASDAQ:PRTA) Shares Pass Below 200 Day Moving Average – Time to Sell? - Defense World
Roche And Prothena: Why Moving On Makes Sense (OTCMKTS:RHHBY) - Seeking Alpha
(PRTA) Trading Signals - news.stocktradersdaily.com
Financial Analysis: Prothena Corporation plc (PRTA)’s Ratios Unveil Key Insights - DWinneX
Prothena stock rises on Parkinson's trial update (PRTA:NASDAQ) - Seeking Alpha
Prothena’s Prasinezumab Advances to Phase III for Parkinson’s - TipRanks
Prothena partner Roche advances Parkinson’s drug to phase 3 By Investing.com - Investing.com Nigeria
Prothena’s Partner Roche to Advance Prasinezumab into Phase III Development for Early-Stage Parkinson's Disease - BioSpace
Prothena's Partner to Advance Potential Parkinson's Treatment to Phase 3 Development - marketscreener.com
Prothena's Partner Roche to Advance Prasinezumab into Phase III - GuruFocus
Prothena’s SWOT analysis: stock faces challenges after trial setback - Investing.com
Prothena’s SWOT analysis: stock faces challenges after trial setback By Investing.com - Investing.com South Africa
Cantor Fitzgerald Forecasts Prothena FY2026 Earnings - Defense World
Two Sigma Investments LP Buys 27,887 Shares of Prothena Co. plc (NASDAQ:PRTA) - Defense World
Prothena Co. plc (NASDAQ:PRTA) Short Interest Update - Defense World
Bank of America Corp DE Purchases 36,944 Shares of Prothena Co. plc (NASDAQ:PRTA) - Defense World
(PRTA) Technical Data - news.stocktradersdaily.com
Millennium Management LLC Has $1.70 Million Holdings in Prothena Co. plc (NASDAQ:PRTA) - Defense World
PROTHENA LEAD PLAINTIFF DEADLINE ALERT: Faruqi & Faruqi, LLP Encourages Investors Who Suffered Losses Exceeding $50,000 In Prothena Corporation plc To Contact The Firm - ACCESS Newswire
ProShare Advisors LLC Buys 3,312 Shares of Prothena Co. plc (NASDAQ:PRTA) - Defense World
Prothena Corporation Plc Stock (PRTA) Financials Data
Revenue
Net Income
Cash Flow
EPS
0.87%
0.17%
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