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Buy PRTA
$8.12
-0.290 (-3.45%)
At Close: Jul 31, 2026
Prothena (PRTA) Reports Q4 Loss, Lags Revenue Estimates
06:35pm, Thursday, 19'th Feb 2026
Prothena (PRTA) came out with a quarterly loss of $0.44 per share versus the Zacks Consensus Estimate of a loss of $0.45. This compares to a loss of $1.08 per share a year ago.
Prothena Reports Fourth Quarter and Full Year 2025 Financial Results, and Provides Financial Guidance and Business Highlights
04:05pm, Thursday, 19'th Feb 2026
DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena Reports Fourth Quarter and Full Year 2025 Financial Results, and Provides Financial Guidance and Business Highlights.
Prothena Stock Tumbles 36.8% Year Over Year: What Lies Ahead?
10:56am, Monday, 16'th Feb 2026
PRTA stock declines 36.8% in a year as birtamimab's failure, earnings miss and reliance on partner programs weigh on investor confidence.
FTRE vs. PRTA: Which Stock Is the Better Value Option?
12:40pm, Friday, 13'th Feb 2026
Investors interested in stocks from the Medical - Biomedical and Genetics sector have probably already heard of Fortrea Holdings Inc. (FTRE) and Prothena (PRTA). But which of these two stocks is more
Prothena to Report Fourth Quarter and Full Year 2025 Financial Results on February 19, 2026
04:05pm, Thursday, 12'th Feb 2026
DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena announced that it will report its fourth quarter and full year 2025 financial results on Thursday 2/19/26 with a conference call at 4:30pm ET.
All You Need to Know About Prothena (PRTA) Rating Upgrade to Buy
01:01pm, Wednesday, 21'st Jan 2026
Prothena (PRTA) might move higher on growing optimism about its earnings prospects, which is reflected by its upgrade to a Zacks Rank #2 (Buy).
89,704 Shares in Prothena Corporation plc $PRTA Acquired by Assenagon Asset Management S.A.
03:30am, Thursday, 25'th Dec 2025
Assenagon Asset Management S.A. acquired a new stake in Prothena Corporation plc (NASDAQ: PRTA) in the undefined quarter, according to the company in its most recent filing with the Securities and Exc
Squarepoint Ops LLC Takes $1.27 Million Position in Prothena Corporation plc $PRTA
05:36am, Sunday, 21'st Dec 2025
Squarepoint Ops LLC purchased a new stake in shares of Prothena Corporation plc (NASDAQ: PRTA) during the undefined quarter, according to the company in its most recent filing with the Securities and
Prothena Announces Board of Directors Update
04:05pm, Friday, 12'th Dec 2025
DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena Corporation plc (NASDAQ:PRTA), a late-stage clinical biotechnology company with a robust pipeline of investigational therapeutics built on protein
Prothena Corporation plc $PRTA Shares Bought by Federated Hermes Inc.
03:51am, Friday, 12'th Dec 2025
Federated Hermes Inc. grew its holdings in Prothena Corporation plc (NASDAQ: PRTA) by 116.2% during the undefined quarter, according to its most recent Form 13F filing with the Securities and Exchange
Prothena Announces Poster Presentation on its TDP-43 CYTOPE® Program at Neuroscience 2025
04:05pm, Wednesday, 19'th Nov 2025
DUBLIN, Ireland--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena Announces Poster Presentation on its TDP-43 CYTOPE® Program at Neuroscience 2025.
Prothena Highlights Phase 2 Data for Coramitug (Formerly PRX004) Published in Circulation, Official Journal of AHA
09:00am, Tuesday, 11'th Nov 2025
DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Phase 2 clinical data for coramitug, a potential first-in-class amyloid depleter antibody, for the treatment of ATTR-CM published in Circulation.
Prothena Q3 Earnings Miss Estimates, Pipeline Progress in Focus
11:36am, Friday, 07'th Nov 2025
Prothena's Q3 loss widened as revenues fell short of estimates, but its Alzheimer and Parkinson's drug programs gained FDA momentum and key collaborations advanced.
Prothena (PRTA) Reports Q3 Loss, Lags Revenue Estimates
06:46pm, Thursday, 06'th Nov 2025
Prothena (PRTA) came out with a quarterly loss of $0.67 per share versus the Zacks Consensus Estimate of a loss of $0.6. This compares to a loss of $1.1 per share a year ago.
Prothena Reports Third Quarter 2025 Financial Results and Business Highlights
04:05pm, Thursday, 06'th Nov 2025
DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena today reported financial results for the third quarter and first nine months of 2025 and provided business highlights.
