Company
Headquarters: Dublin, Ireland
Employees: 82
CEO: Dr. Gene G. Kinney Ph.D.
$495.2 Million
USD as of Jan. 1, 2026
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Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases in the United States. The company is involved in developing Birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a humanized monoclonal antibody, which is in Phase IIb clinical trial for the treatment of Parkinson's disease; PRX004 that completed Phase I clinical trial for the treatment of Transthyretin amyloidosis; and PRX005, which is in Phase I clinical trial for the treatment of Alzheimer's disease. Its discovery and preclinical programs include PRX012 for the treatment of Alzheimer's disease; and dual Aà-Tau vaccine for the treatment and prevention of Alzheimer's disease. Prothena Corporation plc 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 alpha-synuclein; and a collaboration agreement with Bristol-Myers Squibb to develop antibodies. The company was founded in 2012 and is based in Dublin, Ireland.
| Last Financial Reports Date | Sept. 30, 2024 |
| Revenue TTM | $133.3 M |
| EBITDA | $-167,231,008 |
| Gross Profit TTM | $-100,888,000 |
| Profit Margin | -98.86% |
| Operating Margin | -6857.01% |
| Quarterly Revenue Growth | -98.90% |
Prothena Corporation plc has the following listings and related stock indices.
Stock: NASDAQ: PRTA wb_incandescent
Stock: FSX: 0PT wb_incandescent