5.75
price up icon0.88%   0.05
after-market アフターアワーズ: 5.87 0.12 +2.09%
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前日終値:
$5.70
開ける:
$5.7
24時間の取引高:
4.96M
Relative Volume:
3.48
時価総額:
$283.13M
収益:
$217.25M
当期純損益:
$-50.92M
株価収益率:
-5.75
EPS:
-1
ネットキャッシュフロー:
$-100.85M
1週間 パフォーマンス:
+12.75%
1か月 パフォーマンス:
-19.92%
6か月 パフォーマンス:
-51.88%
1年 パフォーマンス:
-70.57%
1日の値動き範囲:
Value
$5.67
$6.03
1週間の範囲:
Value
$4.95
$6.03
52週間の値動き範囲:
Value
$4.32
$25.42

Prothena Corporation Plc Stock (PRTA) Company Profile

Name
名前
Prothena Corporation Plc
Name
セクター
Healthcare (1178)
Name
電話
011-353-1-236-2500
Name
住所
77 SIR JOHN ROGERSON'S QUAY, BLOCK C, DUBLIN 2
Name
職員
163
Name
Twitter
@ProthenaCorp
Name
次回の収益日
2025-02-18
Name
最新のSEC提出書
Name
PRTA's Discussions on Twitter

PRTA を他の銘柄と比較する

株式 価格 時価総額 収益 当期純利益 現金流量 EPS
Biotechnology icon
PRTA
Prothena Corporation Plc
5.75 283.13M 217.25M -50.92M -100.85M -1.00
Biotechnology icon
VRTX
Vertex Pharmaceuticals Inc
448.37 115.95B 11.10B -988.90M -1.26B -3.92
Biotechnology icon
REGN
Regeneron Pharmaceuticals Inc
513.54 56.52B 14.09B 4.50B 2.96B 39.28
Biotechnology icon
ALNY
Alnylam Pharmaceuticals Inc
312.32 39.44B 2.35B -269.70M -75.39M -2.09
Biotechnology icon
ARGX
Argen X Se Adr
537.92 35.14B 2.58B 1.06B -1.28B 16.33
Biotechnology icon
ONC
Beone Medicines Ltd Adr
252.78 28.51B 3.81B -644.79M -669.77M -6.24

Prothena Corporation Plc Stock (PRTA) Upgrades & Downgrades

日付 アクション アナリスト 評価の変更
2025-05-28 ダウングレード BofA Securities Neutral → Underperform
2025-05-27 ダウングレード Cantor Fitzgerald Overweight → Neutral
2025-05-27 ダウングレード Jefferies Buy → Hold
2025-05-27 ダウングレード Oppenheimer Outperform → Perform
2024-12-20 開始されました Chardan Capital Markets Buy
2024-01-30 ダウングレード BofA Securities Buy → Neutral
2023-12-12 開始されました Deutsche Bank Buy
2023-04-24 開始されました SVB Securities Outperform
2023-01-27 開始されました Piper Sandler Overweight
2022-11-04 ダウングレード RBC Capital Mkts Outperform → Sector Perform
2022-09-28 アップグレード BofA Securities Neutral → Buy
2021-11-19 開始されました JMP Securities Mkt Outperform
2021-06-18 アップグレード BofA Securities Underperform → Neutral
2021-06-08 繰り返されました Oppenheimer Outperform
2021-05-26 開始されました Citigroup Buy
2021-02-26 アップグレード RBC Capital Mkts Sector Perform → Outperform
2021-02-12 アップグレード Jefferies Hold → Buy
2021-02-02 アップグレード BTIG Research Neutral → Buy
2020-12-07 開始されました H.C. Wainwright Buy
2020-07-09 アップグレード Oppenheimer Perform → Outperform
2019-11-19 アップグレード Evercore ISI In-line → Outperform
2018-05-21 ダウングレード Barclays Equal Weight → Underweight
2018-04-23 ダウングレード Jefferies Buy → Hold
2018-04-05 繰り返されました Barclays Overweight
2017-11-20 ダウングレード Wedbush Outperform → Neutral
2017-09-29 繰り返されました BTIG Research Buy
2017-09-15 開始されました RBC Capital Mkts Outperform
2017-08-17 開始されました Evercore ISI Outperform
2017-07-11 開始されました Jefferies Buy
2017-04-12 開始されました Cantor Fitzgerald Overweight
2017-04-12 開始されました Piper Jaffray Overweight
2017-03-02 開始されました Instinet Buy
2016-12-21 開始されました SunTrust Buy
2016-11-03 開始されました Deutsche Bank Buy
2016-08-04 繰り返されました Barclays Overweight
2016-05-13 開始されました Barclays Overweight
2016-02-19 繰り返されました Wedbush Outperform
2016-01-21 開始されました Credit Suisse Outperform
すべてを表示

Prothena Corporation Plc (PRTA) 最新ニュース

pulisher
04:38 AM

Prothena (NASDAQ:PRTA) Shares Pass Below 200 Day Moving Average – Time to Sell? - Defense World

04:38 AM
pulisher
Jun 17, 2025

Roche’s Phase 3 Move Boosts Outlook for Prothena Corporation plc (PRTA) - Insider Monkey

Jun 17, 2025
pulisher
Jun 16, 2025

(PRTA) Trading Signals - news.stocktradersdaily.com

Jun 16, 2025
pulisher
Jun 16, 2025

Financial Analysis: Prothena Corporation plc (PRTA)’s Ratios Unveil Key Insights - DWinneX

Jun 16, 2025
pulisher
Jun 16, 2025

Prothena stock rises on Parkinson's trial update (PRTA:NASDAQ) - Seeking Alpha

Jun 16, 2025
pulisher
Jun 16, 2025

Prothena’s Prasinezumab Advances to Phase III for Parkinson’s - TipRanks

Jun 16, 2025
pulisher
Jun 16, 2025

Prothena partner Roche advances Parkinson’s drug to phase 3 By Investing.com - Investing.com Nigeria

Jun 16, 2025
pulisher
Jun 16, 2025

Prothena’s Partner Roche to Advance Prasinezumab into Phase III Development for Early-Stage Parkinson's Disease - BioSpace

Jun 16, 2025
pulisher
Jun 16, 2025

Prothena's Partner to Advance Potential Parkinson's Treatment to Phase 3 Development - marketscreener.com

Jun 16, 2025
pulisher
Jun 16, 2025

Prothena's Partner Roche to Advance Prasinezumab into Phase III - GuruFocus

Jun 16, 2025
pulisher
Jun 14, 2025

Prothena’s SWOT analysis: stock faces challenges after trial setback By Investing.com - Investing.com South Africa

Jun 14, 2025
pulisher
Jun 14, 2025

Prothena’s SWOT analysis: stock faces challenges after trial setback - Investing.com

Jun 14, 2025
pulisher
Jun 11, 2025

Cantor Fitzgerald Forecasts Prothena FY2026 Earnings - Defense World

Jun 11, 2025
pulisher
Jun 09, 2025

Two Sigma Investments LP Buys 27,887 Shares of Prothena Co. plc (NASDAQ:PRTA) - Defense World

Jun 09, 2025
pulisher
Jun 06, 2025

Prothena Co. plc (NASDAQ:PRTA) Short Interest Update - Defense World

Jun 06, 2025
pulisher
Jun 05, 2025

Bank of America Corp DE Purchases 36,944 Shares of Prothena Co. plc (NASDAQ:PRTA) - Defense World

Jun 05, 2025
pulisher
Jun 04, 2025

(PRTA) Technical Data - news.stocktradersdaily.com

Jun 04, 2025
pulisher
Jun 03, 2025

Millennium Management LLC Has $1.70 Million Holdings in Prothena Co. plc (NASDAQ:PRTA) - Defense World

Jun 03, 2025
pulisher
Jun 03, 2025

PROTHENA LEAD PLAINTIFF DEADLINE ALERT: Faruqi & Faruqi, LLP Encourages Investors Who Suffered Losses Exceeding $50,000 In Prothena Corporation plc To Contact The Firm - ACCESS Newswire

Jun 03, 2025
pulisher
Jun 02, 2025

ProShare Advisors LLC Buys 3,312 Shares of Prothena Co. plc (NASDAQ:PRTA) - Defense World

Jun 02, 2025
pulisher
May 31, 2025

Piper Sandler Reduces Prothena (PRTA) Price Target to $81 from $110 Following AFFIRM-AL Trial Discontinuation - MSN

May 31, 2025
pulisher
May 31, 2025

Chardan Lowers Prothena (PRTA) Price Target Following AFFIRM-AL Trial Failure - MSN

May 31, 2025
pulisher
May 31, 2025

Prothena Co. plc (NASDAQ:PRTA) Given Consensus Recommendation of “Hold” by Brokerages - Defense World

May 31, 2025
pulisher
May 31, 2025

Chardan Capital Decreases Earnings Estimates for Prothena - Defense World

May 31, 2025
pulisher
May 30, 2025

Citizens JMP Slashes Prothena (PRTA) to $29 from $78 After AFFIRM-AL Trial Fails - MSN

May 30, 2025
pulisher
May 30, 2025

H.C. Wainwright Maintains Buy Rating on Prothena Corporation (NASDAQ:PRTA), Cuts PT - Insider Monkey

May 30, 2025
pulisher
May 30, 2025

FY2027 EPS Estimates for Prothena Decreased by HC Wainwright - Defense World

May 30, 2025
pulisher
May 30, 2025

Prothena (NASDAQ:PRTA) Given “Underperform” Rating at Bank of America - Defense World

May 30, 2025
pulisher
May 29, 2025

Bank of America Reiterates “Underperform” Rating for Prothena (NASDAQ:PRTA) - Defense World

May 29, 2025
pulisher
May 29, 2025

Bank of America Reaffirms “Underperform” Rating for Prothena (NASDAQ:PRTA) - Defense World

May 29, 2025
pulisher
May 29, 2025

Prothena (NASDAQ:PRTA) Receives Underperform Rating from Bank of America - Defense World

May 29, 2025
pulisher
May 29, 2025

The Prothena Corporation plc (NASDAQ:PRTA) Analysts Have Been Trimming Their Sales Forecasts - simplywall.st

May 29, 2025
pulisher
May 29, 2025

BofA cuts Prothena stock rating, slashes target to $4 By Investing.com - Investing.com Nigeria

May 29, 2025
pulisher
May 28, 2025

Prothena Corp (PRTA) Sees Downgrade and Price Target Cut by B of A Securities | PRTA Stock News - GuruFocus

May 28, 2025
pulisher
May 28, 2025

Oppenheimer Downgrades Prothena Corporation (NASDAQ:PRTA) to Perform from Outperform - Insider Monkey

May 28, 2025
pulisher
May 28, 2025

BofA Securities Downgrades Prothena to Underperform From Neutral, $4 Price Target - marketscreener.com

May 28, 2025
pulisher
May 28, 2025

Prothena (PRTA) Faces Downgrade After Clinical Trial Setback | P - GuruFocus

May 28, 2025
pulisher
May 28, 2025

Prothena (PRTA) Faces Downgrade After Clinical Trial Setback | PRTA Stock News - GuruFocus

May 28, 2025
pulisher
May 28, 2025

Prothena's Late-Stage Study for AL Amyloidosis Fails, Stock Down - MSN

May 28, 2025
pulisher
May 28, 2025

Prothena (PRTA) Downgraded by BofA Analyst with Lower Price Targ - GuruFocus

May 28, 2025
pulisher
May 28, 2025

Prothena (NASDAQ:PRTA) Price Target Lowered to $81.00 at Piper Sandler - Defense World

May 28, 2025
pulisher
May 28, 2025

Prothena (NASDAQ:PRTA) Price Target Cut to $29.00 by Analysts at JMP Securities - Defense World

May 28, 2025
pulisher
May 28, 2025

Prothena (NASDAQ:PRTA) Lowered to Hold Rating by Jefferies Financial Group - Defense World

May 28, 2025
pulisher
May 28, 2025

Prothena (NASDAQ:PRTA) Given New $14.00 Price Target at HC Wainwright - Defense World

May 28, 2025
pulisher
May 28, 2025

Traders Purchase High Volume of Put Options on Prothena (NASDAQ:PRTA) - Defense World

May 28, 2025
pulisher
May 27, 2025

Oppenheimer cuts Prothena stock rating after trial setback By Investing.com - Investing.com Nigeria

May 27, 2025
pulisher
May 27, 2025

Prothena (PRTA) Shares Plunge After Key Trial Setback - GuruFocus

May 27, 2025
pulisher
May 27, 2025

Prothena: Despite Phase 3 Trial Failure, Other Neurodegenerative Programs In Place (PRTA) - Seeking Alpha

May 27, 2025
pulisher
May 27, 2025

Peninsula biotech Prothena falters — again — and layoffs are on the waySan Francisco Business Times - The Business Journals

May 27, 2025
pulisher
May 27, 2025

Prothena Shares Fall, Stock Downgraded by Multiple Research Firms After Birtamimab Development Discontinued - marketscreener.com

May 27, 2025
pulisher
May 27, 2025

Prothena Corp (PRTA) Downgraded by Oppenheimer | PRTA Stock News - GuruFocus

May 27, 2025

Prothena Corporation Plc (PRTA) 財務データ

収益

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当期純利益

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現金流量

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EPS

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Prothena Corporation Plc (PRTA) インサイダートレーディング

インサイダートレーディング 関係 日付 取引 コスト #株式 値 ($) #株式総数
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
SCULLY WILLIAM P
10% Owner
Jan 14 '25
Buy
12.79
100,000
1,279,040
735,993
SCULLY WILLIAM P
10% Owner
Dec 18 '24
Buy
13.93
73,436
1,022,670
1,297,693
SCULLY WILLIAM P
10% Owner
Dec 31 '24
Buy
13.01
32,000
416,393
650,193
SCULLY WILLIAM P
10% Owner
Dec 20 '24
Buy
15.91
2,000
31,813
618,693
$21.56
price down icon 2.32%
$34.91
price up icon 0.98%
$20.16
price up icon 1.37%
$99.46
price down icon 0.78%
$104.42
price down icon 0.52%
biotechnology ONC
$252.78
price down icon 0.37%
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