9.46
price down icon4.06%   -0.40
after-market 시간 외 거래: 9.46
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전일 마감가:
$9.86
열려 있는:
$9.7
하루 거래량:
481.13K
Relative Volume:
0.86
시가총액:
$509.26M
수익:
$217.25M
순이익/손실:
$-50.92M
주가수익비율:
-9.46
EPS:
-1
순현금흐름:
$-100.85M
1주 성능:
+9.49%
1개월 성능:
+13.29%
6개월 성능:
+10.64%
1년 성능:
-36.72%
1일 변동 폭
Value
$9.36
$10.06
1주일 범위
Value
$8.48
$10.06
52주 변동 폭
Value
$4.32
$15.63

Prothena Corporation Plc Stock (PRTA) Company Profile

Name
명칭
Prothena Corporation Plc
Name
전화
011-353-1-236-2500
Name
주소
77 SIR JOHN ROGERSON'S QUAY, BLOCK C, DUBLIN 2
Name
직원
163
Name
트위터
@ProthenaCorp
Name
다음 수익 날짜
2025-02-18
Name
최신 SEC 제출 서류
Name
PRTA's Discussions on Twitter

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

주식 가격 시가총액 매출 순이익 현금흐름 주당 순 이익
Biotechnology icon
PRTA
Prothena Corporation Plc
9.46 530.79M 217.25M -50.92M -100.85M -1.00
Biotechnology icon
VRTX
Vertex Pharmaceuticals Inc
460.82 121.40B 12.07B 3.95B 3.19B 15.33
Biotechnology icon
REGN
Regeneron Pharmaceuticals Inc
764.93 83.25B 14.34B 4.50B 3.77B 41.56
Biotechnology icon
ARGX
Argen X Se Adr
728.11 46.39B 4.16B 1.29B 734.26M 19.59
Biotechnology icon
ALNY
Alnylam Pharmaceuticals Inc
320.51 43.41B 3.71B 313.75M 465.38M 2.2571
Biotechnology icon
ONC
Beone Medicines Ltd Adr
292.94 33.09B 5.36B 287.73M 924.18M 2.5229

Prothena Corporation Plc Stock (PRTA) Upgrades & Downgrades

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

Prothena Corporation Plc 주식(PRTA)의 최신 뉴스

pulisher
Mar 03, 2026

Prothena: A Hold With 2 Late-Stage Programs Underway But With Caution (NASDAQ:PRTA) - Seeking Alpha

Mar 03, 2026
pulisher
Mar 03, 2026

Wall Street Analysts Believe Prothena (PRTA) Could Rally 118.09%: Here's is How to Trade - sharewise.com

Mar 03, 2026
pulisher
Mar 02, 2026

Prothena (NASDAQ:PRTA) Shares Up 8.7%Still a Buy? - MarketBeat

Mar 02, 2026
pulisher
Mar 02, 2026

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

Mar 02, 2026
pulisher
Mar 02, 2026

Prothena Corporation plc (NASDAQ:PRTA) Given Average Recommendation of “Hold” by Analysts - Defense World

Mar 02, 2026
pulisher
Mar 01, 2026

PRTA SEC FilingsProthena 10-K, 10-Q, 8-K Forms - Stock Titan

Mar 01, 2026
pulisher
Feb 27, 2026

Prothena Corporation plc (PRTA) Stock Analysis: Navigating a 137% Potential Upside in the Biotech Sector - DirectorsTalk Interviews

Feb 27, 2026
pulisher
Feb 27, 2026

Prothena Announces $100 Million Share Repurchase Program - TipRanks

Feb 27, 2026
pulisher
Feb 27, 2026

Prothena authorizes $100 million share buyback program - Investing.com

Feb 27, 2026
pulisher
Feb 27, 2026

Prothena Corporation plc announces an Equity Buyback for $100 million worth of its shares. - marketscreener.com

Feb 27, 2026
pulisher
Feb 27, 2026

Prothena (NASDAQ: PRTA) okays $100M share buyback through 2026 - Stock Titan

Feb 27, 2026
pulisher
Feb 27, 2026

Prothena Approves $100 Million Share Buyback Authorization - marketscreener.com

Feb 27, 2026
pulisher
Feb 27, 2026

Prothena stock jumps on $100M share buyback authorization By Investing.com - Investing.com UK

Feb 27, 2026
pulisher
Feb 27, 2026

Prothena Corporation plc (NASDAQ: PRTA) clears shelf to sell up to $200M in shares - Stock Titan

Feb 27, 2026
pulisher
Feb 27, 2026

Prothena Announces up to $100 Million Share Repurchase Plan - The Joplin Globe

Feb 27, 2026
pulisher
Feb 27, 2026

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

Feb 27, 2026
pulisher
Feb 27, 2026

Prothena (NASDAQ: PRTA) reshapes pipeline and cuts staff in 10-K - Stock Titan

Feb 27, 2026
pulisher
Feb 26, 2026

Prothena Corporation plc authorizes a Buyback Plan. - marketscreener.com

Feb 26, 2026
pulisher
Feb 26, 2026

Behavioral Patterns of PRTA and Institutional Flows - Stock Traders Daily

Feb 26, 2026
pulisher
Feb 23, 2026

FY2026 EPS Estimates for Prothena Boosted by HC Wainwright - MarketBeat

Feb 23, 2026
pulisher
Feb 22, 2026

Royal Bank Of Canada Increases Prothena (NASDAQ:PRTA) Price Target to $12.00 - Defense World

Feb 22, 2026
pulisher
Feb 20, 2026

RBC Capital Raises Price Target for Prothena Corp (PRTA) to $12. - GuruFocus

Feb 20, 2026
pulisher
Feb 20, 2026

Prothena Q4 Earnings Meet Estimates, Pipeline Progress in Focus - Finviz

Feb 20, 2026
pulisher
Feb 20, 2026

Prothena (NASDAQ:PRTA) Price Target Raised to $12.00 - MarketBeat

Feb 20, 2026
pulisher
Feb 20, 2026

Prothena Corporation plc (NASDAQ:PRTA) Q4 2025 Earnings Call Transcript - Insider Monkey

Feb 20, 2026
pulisher
Feb 20, 2026

Prothena Corporation plc Q4 2025 Earnings Call Summary - Yahoo Finance

Feb 20, 2026
pulisher
Feb 20, 2026

Prothena Corp PLC (PRTA) Q4 2025 Earnings Call Highlights: Strat - GuruFocus

Feb 20, 2026
pulisher
Feb 20, 2026

RBC Raises Price Target on Prothena to $12 From $11, Keeps Sector Perform, Speculative Risk - marketscreener.com

Feb 20, 2026
pulisher
Feb 19, 2026

Prothena Q4 Earnings Call Highlights - MarketBeat

Feb 19, 2026
pulisher
Feb 19, 2026

Can Prothena Corporation plc be recession proofTrade Exit Summary & Growth Focused Stock Reports - mfd.ru

Feb 19, 2026
pulisher
Feb 19, 2026

Prothena (PRTA) Reports Q4 Loss, Lags Revenue Estimates - Yahoo Finance

Feb 19, 2026
pulisher
Feb 19, 2026

Prothena (PRTA) Projects Financial Outlook and Clinical Milestones - GuruFocus

Feb 19, 2026
pulisher
Feb 19, 2026

Prothena Corporation plc announced that the company has the potential to receive up to $105 million in cumulative clinical milestone payments by the end of 2026. - Bitget

Feb 19, 2026
pulisher
Feb 19, 2026

Prothena (NASDAQ:PRTA) Releases Earnings Results, Beats Estimates By $0.01 EPS - MarketBeat

Feb 19, 2026
pulisher
Feb 19, 2026

Prothena Reports Fourth Quarter and Full Year 2025 Financial Results, and Provides Financial Guidance and Business Highlights - The Joplin Globe

Feb 19, 2026
pulisher
Feb 18, 2026

Exploring Prothena Corp's Earnings Expectations - Benzinga

Feb 18, 2026
pulisher
Feb 16, 2026

Prothena Stock Tumbles 36.8% Year Over Year: What Lies Ahead? - Finviz

Feb 16, 2026
pulisher
Feb 15, 2026

(PRTA) Movement Within Algorithmic Entry Frameworks - Stock Traders Daily

Feb 15, 2026
pulisher
Feb 15, 2026

Will Prothena Corporation plc stock remain a Wall Street favoriteQuarterly Portfolio Review & AI Optimized Trading Strategy Guides - mfd.ru

Feb 15, 2026
pulisher
Feb 13, 2026

Prothena Corporation plc (PRTA) Stock Analysis: Exploring a 129.76% Potential Upside in Biotechnology - DirectorsTalk Interviews

Feb 13, 2026
pulisher
Feb 12, 2026

Prothena to Report Fourth Quarter and Full Year 2025 Financial Results on February 19, 2026 - pharmiweb.com

Feb 12, 2026
pulisher
Feb 12, 2026

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

Feb 12, 2026
pulisher
Feb 11, 2026

Is Prothena Corporation plc stock affected by interest rate hikes2025 Retail Activity & Short-Term Trading Opportunity Alerts - mfd.ru

Feb 11, 2026
pulisher
Feb 11, 2026

Will Prothena Corporation plc benefit from rising consumer demandJuly 2025 Retail & Stepwise Swing Trade Plans - mfd.ru

Feb 11, 2026
pulisher
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
pulisher
Feb 09, 2026

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

Feb 09, 2026
pulisher
Feb 05, 2026

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

Feb 05, 2026
pulisher
Feb 04, 2026

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

Feb 04, 2026
pulisher
Feb 03, 2026

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

Feb 03, 2026
pulisher
Jan 31, 2026

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

Jan 31, 2026
pulisher
Jan 27, 2026

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

Jan 27, 2026

Prothena Corporation Plc (PRTA) 재무 분석

매출

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순이익

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현금흐름

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주당 순 이익

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Prothena Corporation Plc 주식 (PRTA) 내부자 거래

내부자 거래 관계 날짜 거래 비용 #주식 가치 ($) #주식 총계
EcoR1 Capital, LLC
10% Owner
May 06 '25
Sale
7.64
1,984,053
15,164,712
5,304,596
EcoR1 Capital, LLC
10% Owner
May 05 '25
Sale
8.11
977,693
7,930,166
7,288,649
$45.68
price down icon 3.69%
$53.83
price down icon 6.87%
$29.72
price up icon 0.68%
$101.95
price down icon 1.78%
$143.57
price down icon 4.21%
biotechnology ONC
$292.94
price down icon 2.03%
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