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Prothena Corporation plc (PRTA) Stock Ticker

NASDAQ: PRTA · Healthcare · Biotechnology
$8.29-0.36%
USD · as of 2026-09-28 · market cap $434.0M
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PRTA right now

Options expect by Oct 6±11.2%
Options expect by Oct 29±23.1%
Priced in for Nov 5 earnings±25.7%
IV rank (30-day)20% · cheap
From Tickr's live models · 2026-09-29. Not investment advice.

Market factors today

Tickr 500 vs S&P 500+0.49%+1.0% MTD
Momentum L/S+1.35%+15.1% MTD
High-beta momo L/S+1.46%+22.2% MTD
Rate sensitivity L/S+1.91%+6.9% MTD
Oil sensitivity L/S-2.54%-5.3% MTD
Unprofitable tech-1.43%+3.7% MTD

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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.

PRTA stock facts

Ticker symbolPRTA
ExchangeNASDAQ
SectorHealthcare
IndustryBiotechnology
Market cap$434.0M
CEOGene G. Kinney
Employees67
HeadquartersDublin, DU, IE
IPO date2012-12-20
Websitewww.prothena.com

What you can see for PRTA on Tickr

Live PRTA price chart with overlays, the options chain, implied move, IV rank, options flow and Strategy Lab, financial statements and consensus estimates, analyst ratings, catalysts, news with AI scoring, and an AI chat that has read the PRTA report.

Rankings

Largest Healthcare companiesLargest companies by market cap

FAQ

What is the ticker symbol for Prothena Corporation plc?

The ticker symbol for Prothena Corporation plc is PRTA, listed on the NASDAQ.

What is PRTA?

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…

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