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    Prothena Corporation plc

    PRTA
    Last price US$8.87
    Market cap US$482.0m
    12M price change 9.85%
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    Syneos HealthSYNH Industry peer Pluri IncPLUR Industry peer Prenetics Global LtdPRE Industry peer Zoetis IncZTS Sector peer
    Overview Earnings Report Price History News Competitors Earnings per Share Return on Equity Net Margin Share Buyback Leverage Financial Statements Financial Ratio
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    Prothena Corporation plc Overview

    Industry: Biotechnology & Medical Research

    Sector: Healthcare

    Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation 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 and other related synucleinopathies; NNC6019 that completed Phase I clinical trial for the treatment of ATTR 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 PRX123, a dual A-Tau vaccine for the treatment and prevention of Alzheimer's disease, as well as TDP-43 and PRX019 for the treatment of Alzheimer's disease and other neurodegenerative diseases. 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, including prasinezumab; and a collaboration agreement with Bristol-Myers Squibb to develop antibodies. The company was founded in 2012 and is based in Dublin, Ireland. Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation in the United States. The company is involved in developing Birtamimab, an investigational humanized antibody that is in Phase III clinic Read More

    Mavefund brings filings, fundamentals, valuation, price history and news for Prothena Corporation plc into one research view. The sections below show what strengthens or weakens the research case.

    Score

    Reported Results

    What the company reported, with filing details kept small.

    Filed Aug 06, 2026

    Quarterly result summary

    Revenue was $1M (reported); EPS was $0.36 (reported).

    Revenue $1M reported
    EPS $0.36 reported
    Net income/share $0.27 reported
    Net loss -$18.6M reported

    What changed

    • Revenue reported to $1M; EPS reported to $0.36.
    • Net income -89% YoY to $14.1M.

    Guidance / outlook

    No formal outlook was extracted from this filing excerpt. Open the SEC source to review full management commentary.

    Earnings release Open filing

    Source: SEC EDGAR company-filed earnings materials. Dates are shown only for verification; review the source filing before relying on extracted report details.

    Other recent earnings materials
    SEC filing 10-Q Aug 06, 2026 SEC filing 10-Q May 07, 2026 Earnings release Earnings release May 07, 2026 SEC filing 10-K Feb 27, 2026 Earnings release Earnings release Feb 19, 2026 SEC filing 10-Q Nov 06, 2025 Earnings release Earnings release Nov 06, 2025 SEC filing 10-Q Aug 04, 2025 Earnings release Earnings release Aug 04, 2025

    Prediction-grade evidence

    Recent News

    Company-relevant articles from sources that pass the Mave Signal relevance and reliability checks.

    Earnings Per Share

    Score 2.00/5
    Prothena Corporation plc earns a low score, as its Earnings Per Share (EPS) has not shown continuous growth over the last six years. Notable counterparts in the sector with high scores includes Zoetis Inc IQVIA Holdings Inc Agilent Technologies Inc
    In Biotechnology & Medical Research industry , Syneos Health , Pluri Inc , Prenetics Global Ltd are companies with high ratings.

    Return on Equity

    Score 1.81/5
    Prothena Corporation plc exhibits a lower score in the Return on Equity (ROE) section, falling below the sector median value and indicating a comparatively weaker performance in this metric. The top companies in the same sector include Zoetis Inc IQVIA Holdings Inc Agilent Technologies Inc
    Prothena Cor... PRTA US$482.0m
    Zoetis Inc ZTS US$31.9b
    IQVIA Holdin... IQV US$34.8b
    Agilent Tech... A US$37.9b

    Net Margin

    Score 1.33/5
    Prothena Corporation plc olds a low score as its net margin consistently trails below the sector median value and doesn't exhibit continuous growth over the last six years; notable companies in the sector with commendable scores include Zoetis Inc IQVIA Holdings Inc Agilent Technologies Inc
    Prothena Cor... PRTA US$482.0m
    Zoetis Inc ZTS US$31.9b
    IQVIA Holdin... IQV US$34.8b
    Agilent Tech... A US$37.9b

    Share Buyback

    In Biotechnology & Medical Research industry , Syneos Health , Pluri Inc , Prenetics Global Ltd are companies with high ratings.

    Leverage

    Score 3.17/5
    Prothena Corporation plc attains a commendable score in the category due to its lower leverage ratio over the past six years in comparison to the sector median value. Additionally, other notable companies in the same sector, such as Zoetis Inc IQVIA Holdings Inc Agilent Technologies Inc , also exhibit high scores.
    Prothena Cor... PRTA US$482.0m
    Zoetis Inc ZTS US$31.9b
    IQVIA Holdin... IQV US$34.8b
    Agilent Tech... A US$37.9b

    Financial Statements

    Company-reported SEC EDGAR facts organized into the three core statements.

    Reported currency
    Verified SEC statements load when this section enters view.

    Source: SEC EDGAR companyfacts. Values are standardized company filings for research support, not personalized financial advice.

    Financial Ratio

    Yearly Quarterly

    Financial
    Profitability
    Growth
    Cash Flow
    Financial Health
    Efficiency Ratios

    Prothena Corporation plc logo

    Prothena Corporation plc

    US$8.87

    US$482.0m

    2.01%

    9.85%