NASDAQ
8.72USD
+0.43 (+5.19%)
We have scored 5 news catalysts on Prothena Corporation plc (PRTA) over the past 12 months. The biggest single-day move next to one of them came Mar 9, 2026, when PRTA closed +2.3%: “Prothena Announces Achievement of $50 Million Clinical Milestone Payment from Novo Nordisk Related to Ongoing Phase 3 Clinical Trial for Coramitug (Formerly PRX004) in ATTR Amyloidosis with Cardiomyopathy”. Coverage across the window leans positive (average ticker sentiment +0.60). Most of the impact sits in price momentum and sector healthcare.
Dots are scored news catalysts — size = impact, color = sentiment. Tap one to read it.
Market cap
456.5M
P/E
—
EPS
—
Beta
-0.33
52W range
7.73-11.8
Day range
8.11–8.86
Open
8.25
Prev close
8.29
Volume
488.9K
Avg volume
511.3K
Dividend
0.00
IPO
2012-12-20
Daily OHLCV with SMA overlays and session pivots. Draw your levels and trendlines on it, or ask the AI analyst what the price is reacting to.
Suppliers, customers, partners and competitors, derived from what the news actually says about Prothena Corporation plc — not a sector bucket. Click an edge to see the articles that established the link.
Latest scored catalyst for PRTA: .
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Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation. Its product pipeline includes Prasinezumab, an investigational humanized monoclonal antibody which is in Phase 3 clinical trial for the treatment of parkinson's disease and other synucleinopathies. The company also develops Coramitug, an investigational antibody, which is in Phase 3 clinical trial for the treatment of transthyretin amyloidosis; BMS-986446, an anti-tau antibody which is in Phase 2 clinical trial to treat Alzheimer's disease; PRX019, an investigational antibody which is in Phase 1 clinical trial for the treatment of neurodegenerative diseases; and PRX123, a Dual Aß-Tau Vaccine, which is in preclinical trial for treating Alzheimer's disease. In addition, it develops discovery- and late-preclinical-stage programs include TDP-43 CYTOPE for the treatment of amyotrophic lateral sclerosis; PRX012, a next-generation anti-Aß antibody which is in phase 1 clinical trial to treat Alzheimer's disease; and PRX012-TfR, a preclinical program for the treatment of Alzheimer's disease. It has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target a-synuclein, including prasinezumab; and master collaboration agreement with Bristol Myers Squibb to develop and commercialize antibodies targeting tau, TDP-43. Prothena Corporation plc was incorporated in 2012 and is based in Dublin, Ireland.
