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Logo for company Prothena Corporation plc

Prothena Corporation plc (PRTA)

NASDAQ Currency in USD
$451.00
-$4.14
-0.91%
Last Update: 18 Jul 2026, 15:53
$24.28bn
Market Cap
-159.93
P/E Ratio (TTM)
Forward Dividend Yield
$330.28-$567.09
52 Week Range

PRTA Stock Price Chart

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PRTA Company Profile

Discover essential business fundamentals and corporate details for Prothena Corporation plc (PRTA) to support your stock research and investment decisions.

Sector

Healthcare

Industry

Biotechnology

IPO Date

20 Dec 2012

Employees

67.00

CEO

Gene G. Kinney

Description

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 Financial Timeline

Browse a chronological timeline of Prothena Corporation plc corporate events including earnings releases, dividend announcements, and stock splits.

Upcoming earnings on 3 Aug 2026

EPS estimate is -$0.39, while revenue estimate is $425.83k.

Earnings released on 7 May 2026

EPS came in at $0.60 surpassing the estimated -$0.31 by +293.55%, while revenue for the quarter reached $51.08m , beating expectations by +6.22k%.

Earnings released on 19 Feb 2026

EPS came in at -$0.44 surpassing the estimated -$0.45 by +2.22%, while revenue for the quarter reached $21.00k , missing expectations by -98.43%.

Earnings released on 6 Nov 2025

EPS came in at -$0.67 falling short of the estimated -$0.60 by -11.67%, while revenue for the quarter reached $2.42m , beating expectations by +262.25%.

Earnings released on 4 Aug 2025

EPS came in at -$1.86 falling short of the estimated -$1.11 by -67.57%, while revenue for the quarter reached $4.42m , missing expectations by -33.42%.

Earnings released on 8 May 2025

EPS came in at -$1.12 falling short of the estimated -$0.92 by -21.74%, while revenue for the quarter reached $2.83m , missing expectations by -81.56%.

Earnings released on 20 Feb 2025

EPS came in at -$1.08 falling short of the estimated -$1.02 by -5.88%, while revenue for the quarter reached $2.12m , missing expectations by -71.82%.

Earnings released on 12 Nov 2024

EPS came in at -$1.10 surpassing the estimated -$1.18 by +6.78%, while revenue for the quarter reached $970.00k , missing expectations by -21.14%.

Earnings released on 8 Aug 2024

EPS came in at $1.22 surpassing the estimated -$1.05 by +216.19%, while revenue for the quarter reached $132.01m , beating expectations by +1.13k%.

Earnings released on 8 May 2024

EPS came in at -$1.34 falling short of the estimated -$1.21 by -10.74%, while revenue for the quarter reached $50.00k , missing expectations by -97.28%.

Earnings released on 15 Feb 2024

EPS came in at -$1.26 falling short of the estimated -$1.23 by -2.44%, while revenue for the quarter reached $316.00k , missing expectations by -85.30%.

Earnings released on 2 Nov 2023

EPS came in at $0.38 surpassing the estimated -$0.32 by +218.75%, while revenue for the quarter reached $84.87m , beating expectations by +103.56%.

Earnings released on 3 Aug 2023

EPS came in at -$1.03 falling short of the estimated -$0.92 by -11.96%, while revenue for the quarter reached $4.02m , missing expectations by -11.08%.

Earnings released on 4 May 2023

EPS came in at -$0.89 falling short of the estimated -$0.83 by -7.23%, while revenue for the quarter reached $2.17m , missing expectations by -52.01%.

Earnings released on 23 Feb 2023

EPS came in at $0.12 surpassing the estimated -$0.47 by +125.53%, while revenue for the quarter reached $49.92m , beating expectations by +577.38%.

Earnings released on 3 Nov 2022

EPS came in at -$0.97 falling short of the estimated -$0.31 by -212.90%, while revenue for the quarter reached $1.52m , missing expectations by -93.98%.

Earnings released on 8 Aug 2022

EPS came in at -$0.88 falling short of the estimated -$0.51 by -72.55%, while revenue for the quarter reached $1.31m , missing expectations by -92.36%.

Earnings released on 5 May 2022

EPS came in at -$0.78 surpassing the estimated -$0.85 by +8.24%, while revenue for the quarter reached $1.15m , missing expectations by -85.74%.

Earnings released on 17 Feb 2022

EPS came in at -$0.71 surpassing the estimated -$0.74 by +4.05%, while revenue for the quarter reached $1.17m , missing expectations by -83.53%.

Earnings released on 4 Nov 2021

EPS came in at $2.13 falling short of the estimated $2.28 by -6.58%, while revenue for the quarter reached $139.17m , missing expectations by -0.63%.

Earnings released on 5 Aug 2021

EPS came in at $0.58 falling short of the estimated $1.00 by -42.00%, while revenue for the quarter reached $60.07m , missing expectations by -14.43%.

PRTA Stock Performance

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