9.82
price up icon2.29%   0.22
after-market Handel nachbörslich: 9.75 -0.07 -0.71%
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Schlusskurs vom Vortag:
$9.60
Offen:
$9.5
24-Stunden-Volumen:
383.93K
Relative Volume:
0.75
Marktkapitalisierung:
$504.13M
Einnahmen:
$57.94M
Nettoeinkommen (Verlust:
$-151.18M
KGV:
-3.4927
EPS:
-2.8116
Netto-Cashflow:
$-86.56M
1W Leistung:
+5.25%
1M Leistung:
+15.67%
6M Leistung:
-0.41%
1J Leistung:
+19.61%
1-Tages-Spanne:
Value
$9.48
$9.87
1-Wochen-Bereich:
Value
$9.1001
$9.87
52-Wochen-Spanne:
Value
$7.73
$11.80

Prothena Corp Plc Stock (PRTA) Company Profile

Name
Firmenname
Prothena Corp Plc
Name
Telefon
011-353-1-236-2500
Name
Adresse
77 SIR JOHN ROGERSON'S QUAY, BLOCK C, DUBLIN 2
Name
Mitarbeiter
67
Name
Twitter
@ProthenaCorp
Name
Nächster Verdiensttermin
2026-08-03
Name
Neueste SEC-Einreichungen
Name
PRTA's Discussions on Twitter

Compare PRTA vs VRTX, REGN, ARGX, MRNA, RVMD

Aktien Preis Marktkapitalisierung Umsatz Nettogewinn Free Cashflow ENV
PRTA icon
PRTA
Prothena Corp Plc
9.82 463.57M 57.94M -151.18M -86.56M -2.8116
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
546.12 136.93B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
827.72 85.11B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
1,033.15 64.95B 4.16B 1.29B 734.26M 19.58
MRNA icon
MRNA
Moderna Inc
145.55 53.23B 2.23B -3.19B -1.60B -8.1462
RVMD icon
RVMD
Revolution Medicines Inc
210.02 45.38B 742.00K -1.37B -1.07B -7.0731

Prothena Corp 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 Corp Plc Aktie (PRTA) Neueste Nachrichten

pulisher
Sep 05, 2026

Prothena stock holds near USD 9.60 after market cap update - AD HOC NEWS

Sep 05, 2026
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Sep 02, 2026

Responsive Playbooks and the PRTA Inflection - Stock Traders Daily

Sep 02, 2026
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Aug 31, 2026

Prothena Corporation plc (PRTA) Key Financial Ratios – Valuation, Profitability & More - Value Research

Aug 31, 2026
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Aug 28, 2026

Prothena Stock Price Forecast. Should You Buy PRTA? - StockInvest.us

Aug 28, 2026
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Aug 28, 2026

Prothena Corporation plc (PRTA) Financials – Balance Sheet, Profit & Loss, Cash Flow - Value Research

Aug 28, 2026
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Aug 28, 2026

Prothena Corporation plc (PRTA) Shareholding Pattern – Promoters, FIIs & DIIs - Value Research

Aug 28, 2026
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Aug 21, 2026

Prothena (NASDAQ:PRTA) Major Shareholder Buys 50,000 Shares of Stock - MarketBeat

Aug 21, 2026
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Aug 19, 2026

Prothena (NASDAQ:PRTA) Shares Pass Below Two Hundred Day Moving AverageShould You Sell? - MarketBeat

Aug 19, 2026
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Aug 18, 2026

Prothena (PRTA) Holds Steady Near $8.88 as Shares Sit Between Key Support and ResistancePositive Gamma - vinanet.vn

Aug 18, 2026
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Aug 12, 2026

Precision Trading with Prothena Corporation Plc (PRTA) Risk Zones - Stock Traders Daily

Aug 12, 2026
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Aug 11, 2026

HC Wainwright Issues Positive Estimate for Prothena Earnings - MarketBeat

Aug 11, 2026
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Aug 08, 2026

Prothena (PRTA) Stock Shrugs Off Revenue Drop As Pipeline Stakes Rise - Sahm

Aug 08, 2026
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Aug 07, 2026

Prothena Corporation PLC (PRTA) Stock News Today - TradingKey

Aug 07, 2026
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Aug 07, 2026

PRTA's Q2 Loss Narrower Than Expected, Pipeline Progress in Focus - tradingview.com

Aug 07, 2026
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Aug 07, 2026

Prothena (NASDAQ:PRTA) Announces Quarterly Earnings Results, Beats Expectations By $0.03 EPS - MarketBeat

Aug 07, 2026
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Aug 06, 2026

Prothena (PRTA) Reports Q2 Loss, Misses Revenue Estimates - Yahoo Finance

Aug 06, 2026
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Aug 06, 2026

Prothena Corporation PLC reports results for the quarter ended June 30Earnings Summary - tradingview.com

Aug 06, 2026
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Aug 06, 2026

Prothena: Q2 Earnings Snapshot - marketscreener.com

Aug 06, 2026
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Aug 06, 2026

Prothena (NASDAQ: PRTA) turns H1 2026 profit on $50M milestone - Stock Titan

Aug 06, 2026
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Aug 06, 2026

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

Aug 06, 2026
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Aug 06, 2026

FMR LLC discloses 13.8% Prothena (PRTA) ownership; key fund holds 6.4% - stocktitan.net

Aug 06, 2026
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Aug 06, 2026

Renaissance Technologies LLC Has $5.91 Million Stock Position in Prothena Corporation plc $PRTA - MarketBeat

Aug 06, 2026
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Aug 04, 2026

Prothena Corporation PLC expected to post a loss of 39 cents a shareEarnings Preview - tradingview.com

Aug 04, 2026
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Aug 01, 2026

Technical Reactions to PRTA Trends in Macro Strategies - Stock Traders Daily

Aug 01, 2026
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Jul 31, 2026

Prothena (NASDAQ:PRTA) Insider Anne Evans Kingston Sells 7,662 Shares of Stock - MarketBeat

Jul 31, 2026
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Jul 30, 2026

Prothena Corp PLC (PRTA) Chief Strategy Officer Anne Kingston Se - GuruFocus

Jul 30, 2026
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Jul 30, 2026

Prothena Q2 Results: Financial data release set for Aug 6 - scanx.trade

Jul 30, 2026
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Jul 29, 2026

BlackRock (PRTA holder) discloses 6.9% beneficial stake in Prothena common stock - Stock Titan

Jul 29, 2026
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Jul 28, 2026

Prothena Corp. Plc Revenue Breakdown – LSX:A1KAVV - TradingView

Jul 28, 2026
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Jul 28, 2026

Rubric Capital Management LP Has $48.60 Million Position in Prothena Corporation plc $PRTA - MarketBeat

Jul 28, 2026
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Jul 27, 2026

Prothena Corporation PLC (PRTA) Valuation: PE, PB & Fair Value Analysis - TradingKey

Jul 27, 2026
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Jul 27, 2026

Top Growth Companies With Insider Ownership For July 2026 - simplywall.st

Jul 27, 2026
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Jul 24, 2026

PRTA|Prothena Corporation PLC|Price:8.720|Chg%:-0.030 - TradingKey

Jul 24, 2026
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Jul 21, 2026

Prothena stock trades steady as Alzheimer portfolio advances and earnings show growing R&D investmen - Ad-hoc-news.de

Jul 21, 2026
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Jul 20, 2026

Trading the Move, Not the Narrative: (PRTA) Edition - Stock Traders Daily

Jul 20, 2026
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Jul 15, 2026

Michael John Isaacs Net Worth (2026) - GuruFocus

Jul 15, 2026
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Jul 14, 2026

Prothena (PRTA) Holds Steady Near Support as Biotech Sector Eyes Key CatalystOutside Reversal - vinanet.vn

Jul 14, 2026
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Jul 13, 2026

Prothena (PRTA) Price Target Increased by 37.50% to 16.83 - msn.com

Jul 13, 2026
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Jul 09, 2026

PRTA Stock Rises Nearly 11% in Six Months: What's Driving It? - Yahoo Finance

Jul 09, 2026
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Jul 07, 2026

Prothena Corp plc updates investors on pipeline progress as neurodegeneration focus deepens - ad-hoc-news.de

Jul 07, 2026
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Jul 07, 2026

Transthyretin Amyloidosis Treatment Market Size to Reach USD 35.10 Billion by 2035, Growing at a 14.64% CAGR | SNS Insider - GlobeNewswire Inc.

Jul 07, 2026
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Jul 04, 2026

Price to sales forward of Prothena Corporation plc – NASDAQ:PRTA - tradingview.com

Jul 04, 2026
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Jul 02, 2026

PRTAProthena Corp Plc Options - Finviz

Jul 02, 2026
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Jun 27, 2026

Price to sales forward of Prothena Corp. Plc – MUN:0PT - TradingView

Jun 27, 2026
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Jun 27, 2026

Enterprise value to revenue forward of Prothena Corporation plc – NASDAQ:PRTA - TradingView

Jun 27, 2026
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Jun 27, 2026

Enterprise value to EBIT forward of Prothena Corporation plc – NASDAQ:PRTA - TradingView

Jun 27, 2026
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Jun 27, 2026

Price to book forward of Prothena Corp. Plc – MUN:0PT - TradingView

Jun 27, 2026
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Jun 26, 2026

Enterprise value to EBITDA forward of Prothena Corp. Plc – MUN:0PT - TradingView

Jun 26, 2026
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Jun 26, 2026

Enterprise value to revenue forward of Prothena Corp. Plc – MUN:0PT - TradingView

Jun 26, 2026
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Jun 26, 2026

Prothena Corp, Parkinson antibody program draws attention for the stock - ad-hoc-news.de

Jun 26, 2026
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Jun 26, 2026

Prothena Corp. Plc Actuals & Estimates (NASDAQ:PRTA) - TradingView

Jun 26, 2026

Finanzdaten der Prothena Corp Plc-Aktie (PRTA)

Umsatz

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Nettogewinn

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Free Cashflow

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Prothena Corp Plc-Aktie (PRTA) Insiderhandel

Insiderhandel Beziehung Datum Transaktion Kosten #Aktien Wert ($) #Aktien Gesamt
SCULLY WILLIAM P
10% Owner
Aug 20 '26
Buy
8.79
50,000
439,430
800,000
SCULLY WILLIAM P
10% Owner
Aug 07 '26
Buy
8.62
34,000
293,053
790,000
SCULLY WILLIAM P
10% Owner
Aug 07 '26
Buy
8.62
3,500
30,167
83,500
Kingston Anne Evans
Chief Strategy Officer
Jul 29 '26
Sale
8.47
7,662
64,919
55,782
Isaacs Michael John
General Counsel & Company Sec.
Jul 29 '26
Sale
8.47
8,386
71,055
35,745
$103.76
price up icon 0.86%
$126.29
price down icon 0.31%
$63.96
price up icon 0.13%
$266.11
price up icon 0.61%
ONC ONC
$358.26
price down icon 1.22%
$210.02
price down icon 0.40%
Kapitalisierung:     |  Volumen (24h):