10.84
price down icon0.09%   -0.02
after-market After Hours: 10.69 -0.15 -1.38%
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Prothena Corporation Plc stock is traded at $10.84, with a volume of 1.13M. It is down -0.09% in the last 24 hours and down -28.95% over the past month.
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Previous Close:
$10.86
Open:
$10.37
24h Volume:
1.13M
Relative Volume:
2.64
Market Cap:
$692.04M
Revenue:
$217.25M
Net Income/Loss:
$-50.92M
P/E Ratio:
-10.84
EPS:
-1
Net Cash Flow:
$-100.85M
1W Performance:
-12.32%
1M Performance:
-28.95%
6M Performance:
-34.60%
1Y Performance:
-53.57%
1-Day Range:
Value
$10.00
$11.28
1-Week Range:
Value
$10.00
$12.45
52-Week Range:
Value
$10.00
$25.42

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
0
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
10.84 692.04M 217.25M -50.92M -100.85M -1.00
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VRTX
Vertex Pharmaceuticals Inc
474.56 121.88B 11.02B -535.60M -978.00M -2.20
Biotechnology icon
REGN
Regeneron Pharmaceuticals Inc
572.78 62.69B 14.20B 4.41B 3.54B 38.28
Biotechnology icon
ARGX
Argen X Se Adr
550.00 32.85B 2.19B 833.04M -1.28B 12.71
Biotechnology icon
ALNY
Alnylam Pharmaceuticals Inc
232.95 28.75B 2.25B -278.16M -42.59M -2.17
Biotechnology icon
ONC
Beigene Ltd Adr
220.54 25.69B 3.81B -644.79M -669.77M -6.24

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
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Prothena Corporation Plc Stock (PRTA) Latest News

pulisher
Apr 04, 2025

Thrivent Financial for Lutherans Sells 8,889 Shares of Prothena Co. plc (NASDAQ:PRTA) - Defense World

Apr 04, 2025
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Apr 03, 2025

Teacher Retirement System of Texas Purchases Shares of 10,434 Prothena Co. plc (NASDAQ:PRTA) - Defense World

Apr 03, 2025
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Apr 02, 2025

Benign Growth For Prothena Corporation plc (NASDAQ:PRTA) Underpins Stock's 26% Plummet - simplywall.st

Apr 02, 2025
pulisher
Mar 26, 2025

Prothena Co. plc (NASDAQ:PRTA) Shares Acquired by Charles Schwab Investment Management Inc. - Defense World

Mar 26, 2025
pulisher
Mar 23, 2025

Amundi Has $28,000 Stock Holdings in Prothena Co. plc (NASDAQ:PRTA) - Defense World

Mar 23, 2025
pulisher
Mar 22, 2025

(PRTA) Technical Data - news.stocktradersdaily.com

Mar 22, 2025
pulisher
Mar 22, 2025

Bank of New York Mellon Corp Has $2.08 Million Stake in Prothena Co. plc (NASDAQ:PRTA) - Defense World

Mar 22, 2025
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Mar 20, 2025

Analysts Set Prothena Co. plc (NASDAQ:PRTA) Target Price at $55.00 - The AM Reporter

Mar 20, 2025
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Mar 20, 2025

Brokerages Set Prothena Co. plc (NASDAQ:PRTA) Target Price at $55.00 - Defense World

Mar 20, 2025
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Mar 18, 2025

What is Zacks Research’s Forecast for Prothena Q1 Earnings? - The AM Reporter

Mar 18, 2025
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Mar 17, 2025

Zacks Research Has Positive Outlook of Prothena Q1 Earnings - Defense World

Mar 17, 2025
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Mar 16, 2025

Insider Sell: Chief Medical Officer Hideki Garren Sells 2,000 Sh - GuruFocus.com

Mar 16, 2025
pulisher
Mar 15, 2025

Zacks Research Weighs in on Prothena FY2027 Earnings - Defense World

Mar 15, 2025
pulisher
Mar 12, 2025

Trend Tracker for (PRTA) - Stock Traders Daily

Mar 12, 2025
pulisher
Mar 11, 2025

Recent Analysts’ Ratings Changes for Prothena (PRTA) - Defense World

Mar 11, 2025
pulisher
Mar 07, 2025

Rhumbline Advisers Boosts Stake in Prothena Co. plc (NASDAQ:PRTA) - Defense World

Mar 07, 2025
pulisher
Mar 04, 2025

Prothena Co. plc (NASDAQ:PRTA) Shares Purchased by Handelsbanken Fonder AB - Defense World

Mar 04, 2025
pulisher
Mar 03, 2025

Prothena Corporation: Multiple Failures Make It Risky (NASDAQ:PRTA) - Seeking Alpha

Mar 03, 2025
pulisher
Feb 28, 2025

Prothena (NASDAQ:PRTA) Stock Price Expected to Rise, Piper Sandler Analyst Says - Defense World

Feb 28, 2025
pulisher
Feb 27, 2025

PROTHENA CORP PUBLIC LTD CO SEC 10-K Report - TradingView

Feb 27, 2025
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Feb 25, 2025

Prothena Q4 Earnings Miss Estimates, Pipeline Progress in Focus - MSN

Feb 25, 2025
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Feb 25, 2025

Prothena's SWOT analysis: neurodegenerative disease pipeline drives stock potential By Investing.com - Investing.com South Africa

Feb 25, 2025
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Feb 25, 2025

Prothena's SWOT analysis: neurodegenerative disease pipeline drives stock potential - Investing.com India

Feb 25, 2025
pulisher
Feb 25, 2025

Prothena (NASDAQ:PRTA) Rating Increased to Hold at StockNews.com - Defense World

Feb 25, 2025
pulisher
Feb 24, 2025

Prothena Corp Stock: A Deep Dive Into Analyst Perspectives (9 Ratings) - Benzinga

Feb 24, 2025
pulisher
Feb 24, 2025

Prothena’s (PRTA) “Buy” Rating Reiterated at HC Wainwright - Defense World

Feb 24, 2025
pulisher
Feb 24, 2025

Prothena’s (PRTA) “Buy” Rating Reiterated at Chardan Capital - Defense World

Feb 24, 2025
pulisher
Feb 23, 2025

Analysts Set Prothena Co. plc (NASDAQ:PRTA) PT at $46.50 - Defense World

Feb 23, 2025
pulisher
Feb 23, 2025

Cantor Fitzgerald Reaffirms “Overweight” Rating for Prothena (NASDAQ:PRTA) - Defense World

Feb 23, 2025
pulisher
Feb 23, 2025

Royal Bank of Canada Has Lowered Expectations for Prothena (NASDAQ:PRTA) Stock Price - Defense World

Feb 23, 2025
pulisher
Feb 22, 2025

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

Feb 22, 2025
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

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

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

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

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
pulisher
Feb 18, 2025

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

Feb 18, 2025
pulisher
Feb 17, 2025

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

Feb 17, 2025
pulisher
Feb 17, 2025

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

Feb 17, 2025
pulisher
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
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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
pulisher
Feb 12, 2025

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

Feb 12, 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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$60.29
price down icon 0.56%
$68.09
price down icon 1.56%
$17.32
price down icon 0.43%
$31.03
price down icon 0.26%
$86.82
price down icon 1.40%
biotechnology ONC
$220.54
price down icon 7.63%
Cap:     |  Volume (24h):