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Prothena Corporation Plc stock is traded at $15.56, with a volume of 724.17K. It is up +2.03% in the last 24 hours and up +10.28% over the past month. Prothena Corp PLC is a biotechnology company that focuses on protein dysregulation and a pipeline of investigational therapeutics with the potential to change the course of devastating rare neurodegenerative 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 psoriasis and psoriatic arthritis (PRX003) and ATTR amyloidosis (PRX004).
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Previous Close:
$15.25
Open:
$15.91
24h Volume:
724.17K
Relative Volume:
1.46
Market Cap:
$836.69M
Revenue:
$217.25M
Net Income/Loss:
$-50.92M
P/E Ratio:
-15.56
EPS:
-1
Net Cash Flow:
$-100.85M
1W Performance:
+9.81%
1M Performance:
+10.28%
6M Performance:
-29.14%
1Y Performance:
-42.48%
1-Day Range:
Value
$14.77
$16.66
1-Week Range:
Value
$13.69
$16.66
52-Week Range:
Value
$11.70
$31.03

Prothena Corporation Plc Stock (PRTA) Company Profile

Name
Name
Prothena Corporation Plc
Name
Phone
011-353-1-236-2500
Name
Address
77 SIR JOHN ROGERSON'S QUAY, BLOCK C, DUBLIN 2
Name
Employee
173
Name
Twitter
@ProthenaCorp
Name
Next Earnings Date
2025-02-18
Name
Latest SEC Filings
Name
PRTA's Discussions on Twitter

Compare PRTA with other stocks

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Biotechnology icon
PRTA
Prothena Corporation Plc
15.56 836.69M 217.25M -50.92M -100.85M -1.00
Biotechnology icon
VRTX
Vertex Pharmaceuticals Inc
484.24 124.35B 11.02B -535.60M -978.00M -2.20
Biotechnology icon
REGN
Regeneron Pharmaceuticals Inc
700.33 76.56B 14.20B 4.41B 3.54B 38.28
Biotechnology icon
ARGX
Argen X Se Adr
644.48 39.16B 1.86B -40.29M -1.28B -0.85
Biotechnology icon
ALNY
Alnylam Pharmaceuticals Inc
250.59 32.44B 2.25B -278.16M -42.59M -2.17
Biotechnology icon
BNTX
Biontech Se Adr
120.01 28.77B 3.30B -501.07M 1.03B -2.1146

Prothena Corporation Plc Stock (PRTA) Upgrades & Downgrades

Date Action Analyst Rating Change
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

pulisher
09:05 AM

Prothena Corporation plc (NASDAQ:PRTA) Just Released Its Yearly Earnings: Here's What Analysts Think - Simply Wall St

09:05 AM
pulisher
Feb 21, 2025

Prothena Corporation plc (NASDAQ:PRTA) Q4 2024 Earnings Call Transcript - Insider Monkey

Feb 21, 2025
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Feb 21, 2025

Prothena Q4 Earnings Miss Estimates, Pipeline Progress in Focus - Yahoo Finance

Feb 21, 2025
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Feb 21, 2025

RBC Cuts Price Target on Prothena to $20 From $24, Keeps Sector Perform, Speculative Risk - Marketscreener.com

Feb 21, 2025
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Feb 21, 2025

Prothena Corporation (NASDAQ: PRTA) Gears Up for Transformational 2025 with Key Clinical Milestones - Pradesh Tak

Feb 21, 2025
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Feb 21, 2025

Prothena Corp PLC (PRTA) Q4 2024 Earnings Call Highlights: Strong Financial Position Amidst ... - Yahoo Finance

Feb 21, 2025
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Feb 20, 2025

Earnings call transcript: Prothena's Q4 2024 results highlight innovation - Investing.com

Feb 20, 2025
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Feb 20, 2025

Earnings call transcript: Prothena’s Q4 2024 results highlight innovation By Investing.com - Investing.com Nigeria

Feb 20, 2025
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Feb 20, 2025

Prothena: Q4 Earnings Snapshot -February 20, 2025 at 04:23 pm EST - Marketscreener.com

Feb 20, 2025
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Feb 20, 2025

Prothena Reports Fourth Quarter and Full Year 2024 Financial Results, and Provides Financial Guidance and Business Highlights - Business Wire

Feb 20, 2025
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Feb 18, 2025

(PRTA) Trading Advice - Stock Traders Daily

Feb 18, 2025
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Feb 18, 2025

Prothena Corporation PLC expected to post a loss of $1.04 a shareEarnings Preview - TradingView

Feb 18, 2025
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Feb 17, 2025

Kuehn Law Encourages Investors of Prothena Corporation PLC to Contact Law Firm - EIN News

Feb 17, 2025
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Feb 17, 2025

The Prothena Corporation plc (PRTA) had a good session last reading, didn’t it? - US Post News

Feb 17, 2025
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Feb 17, 2025

Merck KGaA bids for SpringWorks (SWTX), Evolus (EOLS) receives FDA nod & Prothena (PRTA) struggles - substack.com

Feb 17, 2025
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Feb 13, 2025

Prothena to Report Fourth Quarter and Full Year 2024 Financial Results on February 20, 2025 - Business Wire

Feb 13, 2025
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Feb 13, 2025

Alpha-Synuclein Inhibitors Clinical Trial Pipeline as Novel and Extensive 22+ Therapies Likely to Enter in the Domain | DelveInsight - GlobeNewswire Inc.

Feb 13, 2025
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Feb 13, 2025

Focused Wealth Management Inc Makes New Investment in Prothena Co. plc (NASDAQ:PRTA) - MarketBeat

Feb 13, 2025
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Feb 13, 2025

Critical Survey: Prothena (NASDAQ:PRTA) vs. Annexon (NASDAQ:ANNX) - Defense World

Feb 13, 2025
pulisher
Feb 13, 2025

Prothena (PRTA) to Release Quarterly Earnings on Thursday - Defense World

Feb 13, 2025
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Feb 12, 2025

Prothena (NASDAQ:PRTA) Given New $62.00 Price Target at Oppenheimer - MarketBeat

Feb 12, 2025
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Feb 12, 2025

KALA BIO (NASDAQ:KALA) and Prothena (NASDAQ:PRTA) Financial Survey - Defense World

Feb 12, 2025
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Feb 10, 2025

Prothena (NASDAQ:PRTA) Price Target Raised to $62.00 - Defense World

Feb 10, 2025
pulisher
Feb 08, 2025

Form S-8Securities to be offered to employees in employee benefit plans - br.ADVFN.com

Feb 08, 2025
pulisher
Feb 08, 2025

Learn to Evaluate (PRTA) using the Charts - Stock Traders Daily

Feb 08, 2025
pulisher
Feb 07, 2025

Deep Dive Into Prothena Corp Stock: Analyst Perspectives (5 Ratings) - Benzinga

Feb 07, 2025
pulisher
Feb 05, 2025

Metric Analysis: Prothena Corporation plc (PRTA)’s Key Ratios in the Limelight - The Dwinnex

Feb 05, 2025
pulisher
Feb 04, 2025

Further weakness as Prothena (NASDAQ:PRTA) drops 16% this week, taking three-year losses to 61% - Yahoo Finance

Feb 04, 2025
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Feb 04, 2025

Q2 Earnings Forecast for Prothena Issued By Zacks Research - MarketBeat

Feb 04, 2025
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Feb 03, 2025

Prothena (NASDAQ:PRTA) Stock Price Down 4.8%Here's What Happened - MarketBeat

Feb 03, 2025
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Feb 01, 2025

SG Americas Securities LLC Increases Holdings in Prothena Co. plc (NASDAQ:PRTA) - Defense World

Feb 01, 2025
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Jan 31, 2025

Equities Analysts Offer Predictions for Prothena Q2 Earnings - Defense World

Jan 31, 2025
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Jan 29, 2025

Brokerages Set Prothena Co. plc (NASDAQ:PRTA) Price Target at $46.50 - Defense World

Jan 29, 2025
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Jan 26, 2025

Duncan Williams Asset Management LLC Has $958,000 Position in Prothena Co. plc (NASDAQ:PRTA) - MarketBeat

Jan 26, 2025
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Jan 26, 2025

Prothena Co. plc (NASDAQ:PRTA) Receives $46.50 Consensus PT from Brokerages - MarketBeat

Jan 26, 2025
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Jan 24, 2025

Prothena (NASDAQ:PRTA) Trading 6.7% HigherHere's Why - MarketBeat

Jan 24, 2025
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Jan 24, 2025

Insufficient Growth At Prothena Corporation plc (NASDAQ:PRTA) Hampers Share Price - Simply Wall St

Jan 24, 2025
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Jan 23, 2025

Cantor Fitzgerald Predicts Prothena FY2025 Earnings - Defense World

Jan 23, 2025
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Jan 22, 2025

Cantor Fitzgerald Forecasts Prothena FY2025 Earnings - MarketBeat

Jan 22, 2025
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Jan 20, 2025

JPMorgan Chase & Co. Lowers Holdings in Prothena Co. plc (NASDAQ:PRTA) - MarketBeat

Jan 20, 2025
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Jan 20, 2025

JPMorgan Chase & Co. Has $3.35 Million Stock Position in Prothena Co. plc (NASDAQ:PRTA) - Defense World

Jan 20, 2025
pulisher
Jan 20, 2025

Hennion & Walsh Asset Management Inc. Takes $724,000 Position in Prothena Co. plc (NASDAQ:PRTA) - MarketBeat

Jan 20, 2025
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Jan 18, 2025

Prothena (NASDAQ:PRTA) Shares Up 6.8%Time to Buy? - MarketBeat

Jan 18, 2025
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Jan 17, 2025

Trading (PRTA) With Integrated Risk Controls - Stock Traders Daily

Jan 17, 2025
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Jan 15, 2025

AL Amyloidosis Pipeline Analysis 2024: FDA Approvals, Emerging - openPR

Jan 15, 2025
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Jan 12, 2025

Barclays PLC Grows Stock Holdings in Prothena Co. plc (NASDAQ:PRTA) - MarketBeat

Jan 12, 2025
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Jan 12, 2025

Prothena Co. plc (NASDAQ:PRTA) Shares Purchased by Barclays PLC - Defense World

Jan 12, 2025
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Jan 10, 2025

Prothena (NASDAQ:PRTA) Stock Price Down 9%Here's What Happened - MarketBeat

Jan 10, 2025
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Jan 07, 2025

Prothena (NASDAQ:PRTA) Trading Up 6.5%What's Next? - MarketBeat

Jan 07, 2025
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Jan 04, 2025

Prothena Co. plc (NASDAQ:PRTA) Receives $52.29 Average Price Target from Analysts - Defense World

Jan 04, 2025

Prothena Corporation Plc Stock (PRTA) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$33.42
price up icon 0.27%
$81.06
price down icon 3.05%
$361.10
price down icon 1.70%
$22.12
price down icon 4.08%
biotechnology ONC
$255.37
price up icon 4.57%
$120.01
price up icon 1.81%
Cap:     |  Volume (24h):