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PRTA NASDAQ

Prothena Corporation plc
1W: -2.2% 1M: -14.6% 3M: -20.7% YTD: -7.0% 1Y: +28.1% 3Y: -86.8% 5Y: -82.7%
$8.56
-0.14 (-1.61%)
 
Weekly Expected Move ±6.5%
$8 $8 $9 $9 $10
NASDAQ · Healthcare · Biotechnology · Alpha Radar Sell · Power 37 · $448.1M mcap · 46M float · 1.22% daily turnover · Short 66% of daily vol
Smart Money Score
Moderate 50
Insider+$3.1M
Congress
ETF Holdings
Key Statistics
Market Cap$448.1M
52W Range6.61-11.8
Volume794,426
Avg Volume562,546
Beta-0.31
Dividend
Analyst Ratings
20 Buy 6 Hold 2 Sell
Consensus Buy
Company Info
CEOGene G. Kinney
Employees67
SectorHealthcare
IndustryBiotechnology
IPO Date2012-12-20
77 Sir John Rogerson’s Quay
Dublin, DU D02 VK60
IE
353 1 236 2500
About Prothena Corporation plc

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.

Recent Insider Trades

NameTypeSharesPriceDate
SCULLY WILLIAM P P-Purchase 20,000 $7.90 2026-06-16
SCULLY WILLIAM P G-Gift 325,000 2026-06-15
SCULLY WILLIAM P P-Purchase 125,000 $8.17 2026-06-11
Isaacs Michael John 0 2026-06-08
Isaacs Michael John 17,500 $10.99 2026-06-08

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms