Prothena Corporation plc
Health
Performance
5.9
Risk
Sell
Buy
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Prothena Corporation plc stock rating and score history

All changes in ratings, performance and outlook tracked over time.

14.07.2026
Momentum tanked. Clearly underperforming.
18.06.2026
Signs of control returning. Still shaky, but not chaos.
08.05.2026
Breaking down. The red game over screen is flashing.
PRTA
Prothena Corporation plc
8.75
+0.92%
5.9
Sell
Buy
Prothena Corporation plc

Prothena Corporation plc stock price, chart patterns and momentum

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What does Prothena Corporation plc do? Business model and key facts

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Prothena Corporation plc Profile

Sector: Healthcare

Industry: Biotechnology

Employees (FY): 67

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.

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Company facts
Gene G. Kinney
CEO
67
Employees worldwide
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Performance
39.11%
Last 12 months
-83.14%
Last 5 years
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Growth
$9.68M
Revenue year
$-244,092,000
Net income
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Valuation
$453.38M
Market Cap
-2.11
Price/Earnings Ratio

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Events and news impacting Prothena Corporation plc stock

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Prothena Corporation plc fundamentals and technical analysis

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