8.85
price down icon0.90%   -0.08
after-market Handel nachbörslich: 8.85
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Schlusskurs vom Vortag:
$8.93
Offen:
$8.93
24-Stunden-Volumen:
333.92K
Relative Volume:
0.57
Marktkapitalisierung:
$476.40M
Einnahmen:
$217.25M
Nettoeinkommen (Verlust:
$-50.92M
KGV:
-8.85
EPS:
-1
Netto-Cashflow:
$-100.85M
1W Leistung:
+5.99%
1M Leistung:
-0.67%
6M Leistung:
+17.37%
1J Leistung:
-35.96%
1-Tages-Spanne:
Value
$8.72
$9.04
1-Wochen-Bereich:
Value
$8.56
$9.12
52-Wochen-Spanne:
Value
$4.32
$16.66

Prothena Corporation Plc Stock (PRTA) Company Profile

Name
Firmenname
Prothena Corporation Plc
Name
Telefon
011-353-1-236-2500
Name
Adresse
77 SIR JOHN ROGERSON'S QUAY, BLOCK C, DUBLIN 2
Name
Mitarbeiter
163
Name
Twitter
@ProthenaCorp
Name
Nächster Verdiensttermin
2025-02-18
Name
Neueste SEC-Einreichungen
Name
PRTA's Discussions on Twitter

Compare PRTA vs VRTX, REGN, ARGX, ALNY, ONC

Aktien Preis Marktkapitalisierung Umsatz Nettogewinn Free Cashflow ENV
Biotechnology icon
PRTA
Prothena Corporation Plc
8.85 480.70M 217.25M -50.92M -100.85M -1.00
Biotechnology icon
VRTX
Vertex Pharmaceuticals Inc
465.02 117.03B 11.74B 3.68B 3.34B 14.19
Biotechnology icon
REGN
Regeneron Pharmaceuticals Inc
783.65 82.35B 14.34B 4.50B 3.77B 41.56
Biotechnology icon
ARGX
Argen X Se Adr
833.54 51.64B 3.06B 1.28B 447.35M 19.67
Biotechnology icon
ALNY
Alnylam Pharmaceuticals Inc
308.48 42.58B 3.21B 43.57M 221.36M 0.2405
Biotechnology icon
ONC
Beone Medicines Ltd Adr
346.42 38.87B 4.98B 69.60M 525.67M 0.5198

Prothena Corporation Plc Stock (PRTA) Upgrades & Downgrades

Datum Aktion Analytiker Ratingänderung
2025-05-28 Herabstufung BofA Securities Neutral → Underperform
2025-05-27 Herabstufung Cantor Fitzgerald Overweight → Neutral
2025-05-27 Herabstufung Jefferies Buy → Hold
2025-05-27 Herabstufung Oppenheimer Outperform → Perform
2024-12-20 Eingeleitet Chardan Capital Markets Buy
2024-01-30 Herabstufung BofA Securities Buy → Neutral
2023-12-12 Eingeleitet Deutsche Bank Buy
2023-04-24 Eingeleitet SVB Securities Outperform
2023-01-27 Eingeleitet Piper Sandler Overweight
2022-11-04 Herabstufung RBC Capital Mkts Outperform → Sector Perform
2022-09-28 Hochstufung BofA Securities Neutral → Buy
2021-11-19 Eingeleitet JMP Securities Mkt Outperform
2021-06-18 Hochstufung BofA Securities Underperform → Neutral
2021-06-08 Bestätigt Oppenheimer Outperform
2021-05-26 Eingeleitet Citigroup Buy
2021-02-26 Hochstufung RBC Capital Mkts Sector Perform → Outperform
2021-02-12 Hochstufung Jefferies Hold → Buy
2021-02-02 Hochstufung BTIG Research Neutral → Buy
2020-12-07 Eingeleitet H.C. Wainwright Buy
2020-07-09 Hochstufung Oppenheimer Perform → Outperform
2019-11-19 Hochstufung Evercore ISI In-line → Outperform
2018-05-21 Herabstufung Barclays Equal Weight → Underweight
2018-04-23 Herabstufung Jefferies Buy → Hold
2018-04-05 Bestätigt Barclays Overweight
2017-11-20 Herabstufung Wedbush Outperform → Neutral
2017-09-29 Bestätigt BTIG Research Buy
2017-09-15 Eingeleitet RBC Capital Mkts Outperform
2017-08-17 Eingeleitet Evercore ISI Outperform
2017-07-11 Eingeleitet Jefferies Buy
2017-04-12 Eingeleitet Cantor Fitzgerald Overweight
2017-04-12 Eingeleitet Piper Jaffray Overweight
2017-03-02 Eingeleitet Instinet Buy
2016-12-21 Eingeleitet SunTrust Buy
2016-11-03 Eingeleitet Deutsche Bank Buy
2016-08-04 Bestätigt Barclays Overweight
2016-05-13 Eingeleitet Barclays Overweight
2016-02-19 Bestätigt Wedbush Outperform
2016-01-21 Eingeleitet Credit Suisse Outperform
Alle ansehen

Prothena Corporation Plc Aktie (PRTA) Neueste Nachrichten

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Feb 12, 2026

Prothena to Report Fourth Quarter and Full Year 2025 Financial Results on February 19, 2026 - Business Wire

Feb 12, 2026
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Feb 12, 2026

Prothena (PRTA) Projected to Post Quarterly Earnings on Thursday - MarketBeat

Feb 12, 2026
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Feb 10, 2026

Aug Levels: Will Prothena Corporation plc benefit from rising consumer demandMarket Performance Recap & High Accuracy Trade Alerts - baoquankhu1.vn

Feb 10, 2026
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Feb 09, 2026

Volatility Watch: How do insiders feel about Prothena Corporation plcWeekly Stock Report & Smart Money Movement Tracker - baoquankhu1.vn

Feb 09, 2026
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Feb 05, 2026

Prothena Corporation plc (NASDAQ:PRTA) Given Average Rating of "Hold" by Analysts - MarketBeat

Feb 05, 2026
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Feb 04, 2026

How (PRTA) Movements Inform Risk Allocation Models - Stock Traders Daily

Feb 04, 2026
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Feb 03, 2026

Prothena Corporation plc $PRTA Shares Sold by Federated Hermes Inc. - MarketBeat

Feb 03, 2026
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Jan 31, 2026

Prothena Corporation plc (PRTA) Stock Analysis: Exploring a Potential 124% Upside in Biotech Innovations - DirectorsTalk Interviews

Jan 31, 2026
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Jan 27, 2026

Prothena (NASDAQ:PRTA) Share Price Crosses Above 50 Day Moving AverageHere's Why - MarketBeat

Jan 27, 2026
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Jan 24, 2026

Can Calidi Biotherapeutics Inc reach resistance levels soonWeekly Stock Summary & Community Trade Idea Sharing - baoquankhu1.vn

Jan 24, 2026
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Jan 24, 2026

Trading Systems Reacting to (PRTA) Volatility - Stock Traders Daily

Jan 24, 2026
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Jan 23, 2026

Prothena Corporation Plc (PRTA) Stock Analysis: Evaluating A Potential 96.65% Upside - DirectorsTalk Interviews

Jan 23, 2026
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Jan 22, 2026

Will Prothena Corporation plc benefit from rising consumer demand2025 Market Outlook & Daily Profit Focused Stock Screening - mfd.ru

Jan 22, 2026
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Jan 21, 2026

All You Need to Know About Prothena (PRTA) Rating Upgrade to Buy - Yahoo Finance

Jan 21, 2026
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Jan 20, 2026

Aug Sectors: Will Prothena Corporation plc outperform tech stocks2025 EndofYear Setup & Risk Managed Investment Entry Signals - baoquankhu1.vn

Jan 20, 2026
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Jan 19, 2026

Recap Report: Will Melar Acquisition Corp I announce a stock split2025 Price Momentum & Precise Entry and Exit Recommendations - baoquankhu1.vn

Jan 19, 2026
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Jan 17, 2026

Prothena Corporation plc (NASDAQ:PRTA) Sees Significant Growth in Short Interest - MarketBeat

Jan 17, 2026
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Jan 17, 2026

Prothena Corp (PRTA) Analyst Ratings: RBC Capital's New Price Ta - GuruFocus

Jan 17, 2026
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Jan 16, 2026

Prothena announces board of directors update - MSN

Jan 16, 2026
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Jan 13, 2026

How Prothena Corporation Plc (PRTA) Affects Rotational Strategy Timing - Stock Traders Daily

Jan 13, 2026
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Jan 13, 2026

Value Recap: What Wall Street predicts for Prothena Corporation plc stock price2025 Pullback Review & Consistent Income Trade Recommendations - Bộ Nội Vụ

Jan 13, 2026
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Jan 11, 2026

Prothena Corporation plc (NASDAQ:PRTA) Receives Consensus Rating of "Hold" from Brokerages - MarketBeat

Jan 11, 2026
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Jan 11, 2026

Prothena Corporation plc (NASDAQ:PRTA) Receives Consensus Rating of “Hold” from Brokerages - Defense World

Jan 11, 2026
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Jan 09, 2026

Can Prothena Corporation plc stock sustain revenue growthJuly 2025 PostEarnings & Entry Point Strategy Guides - Улправда

Jan 09, 2026
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Jan 08, 2026

Why hedge funds are buying Prothena Corporation plc stockDay Trade & Daily Entry Point Trade Alerts - Улправда

Jan 08, 2026
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Jan 05, 2026

How Are Partnered Pipelines Rewriting The Prothena (PRTA) Narrative And Price Target Outlook - Yahoo Finance UK

Jan 05, 2026
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Jan 05, 2026

Macro Review: What valuation multiples suggest for Prothena Corporation plc stockWeekly Profit Summary & Long Hold Capital Preservation Plans - Bộ Nội Vụ

Jan 05, 2026
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Jan 02, 2026

We Think Prothena (NASDAQ:PRTA) Can Afford To Drive Business Growth - Yahoo Finance

Jan 02, 2026
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Jan 02, 2026

(PRTA) and the Role of Price-Sensitive Allocations - Stock Traders Daily

Jan 02, 2026
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Dec 25, 2025

89,704 Shares in Prothena Corporation plc $PRTA Acquired by Assenagon Asset Management S.A. - Defense World

Dec 25, 2025
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Dec 22, 2025

(PRTA) Movement as an Input in Quant Signal Sets - Stock Traders Daily

Dec 22, 2025
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Dec 21, 2025

Prothena Corporation plc(NasdaqGS:PRTA) added to S&P Biotechnology Select Industry Index - marketscreener.com

Dec 21, 2025
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Dec 21, 2025

Squarepoint Ops LLC Takes $1.27 Million Position in Prothena Corporation plc $PRTA - Defense World

Dec 21, 2025
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Dec 20, 2025

Earnings Miss: Why Prothena Corporation plc stock remains undervaluedStock Surge & Fast Entry Momentum Trade Alerts - Улправда

Dec 20, 2025
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Dec 19, 2025

Why Prothena Corporation plc stock remains undervaluedDip Buying & Free High Return Stock Watch Alerts - Улправда

Dec 19, 2025
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Dec 19, 2025

What catalysts could drive Prothena Corporation plc stock higherDip Buying & AI Based Trade Execution Alerts - DonanımHaber

Dec 19, 2025
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Dec 17, 2025

Prothena Corporation plc (NASDAQ:PRTA) Given Average Recommendation of "Hold" by Analysts - MarketBeat

Dec 17, 2025
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Dec 13, 2025

Birchview Capital LP Has $2.74 Million Stock Holdings in Prothena Corporation plc $PRTA - MarketBeat

Dec 13, 2025
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Dec 13, 2025

Prothena Board Member Paula Cobb Resigns - The Globe and Mail

Dec 13, 2025
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Dec 12, 2025

Paula Cobb steps down from Prothena’s board to join Manifold Bio - Investing.com Nigeria

Dec 12, 2025
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Dec 12, 2025

Paula Cobb steps down from Prothena’s board to join Manifold Bio By Investing.com - Investing.com South Africa

Dec 12, 2025
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Dec 12, 2025

[8-K] PROTHENA CORP PUBLIC LTD CO Reports Material Event | PRTA SEC FilingForm 8-K - Stock Titan

Dec 12, 2025
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Dec 12, 2025

Prothena Announces Board of Directors Update - Yahoo Finance

Dec 12, 2025
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Dec 12, 2025

What analysts say about Prothena Corporation plc stockMean Reversion Trades & Free Harness Proven Investment Plans - earlytimes.in

Dec 12, 2025
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Dec 12, 2025

Prothena Corporation plc $PRTA Shares Bought by Federated Hermes Inc. - MarketBeat

Dec 12, 2025
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Dec 11, 2025

Liquidity Mapping Around (PRTA) Price Events - Stock Traders Daily

Dec 11, 2025
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Dec 10, 2025

Prothena (PRTA) price target increased by 10.91% to 20.74 - MSN

Dec 10, 2025
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Dec 10, 2025

Ready to Jump After Recent Trade: Prothena Corporation plc (PRTA) - setenews.com

Dec 10, 2025
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Dec 06, 2025

How the Narrative Surrounding Prothena Is Changing After New Pipeline and Valuation Updates - Yahoo Finance

Dec 06, 2025
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Dec 06, 2025

Prothena (PRTA) Price Target Increased by 10.91% to 20.74 - Nasdaq

Dec 06, 2025
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Dec 05, 2025

Will Prothena Corporation plc stock outperform international peersTrade Entry Summary & Breakout Confirmation Trade Signals - Newser

Dec 05, 2025

Finanzdaten der Prothena Corporation Plc-Aktie (PRTA)

Umsatz

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Nettogewinn

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Free Cashflow

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ENV

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$44.80
price up icon 1.24%
$26.75
price down icon 0.19%
$100.75
price up icon 1.93%
$105.76
price down icon 3.31%
$146.17
price down icon 1.52%
biotechnology ONC
$346.42
price down icon 1.38%
Kapitalisierung:     |  Volumen (24h):