Prothena Corporation plc logo

Prothena Corporation plc

PRTA
Last price US$8.77
Market cap US$447.5m
12M price change 30.82%
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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 May 07, 2026

Quarterly result summary

Revenue was $51.1M (reported); EPS was $1.12 (reported).

Revenue $51.1M reported
EPS $1.12 reported
Net income/share $0.61 reported
Net income $32.7M -46% YoY

What changed

  • Revenue reported to $51.1M; EPS reported to $1.12.
  • Net income -46% YoY to $32.7M.

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

Prediction-grade evidence

Recent News

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

No qualified company news in the last 14 days

No recent article passed both the company-relevance and source-reliability checks. Research continues to use the other available filings, fundamentals, market data, and valuation inputs.

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$447.5m
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$447.5m
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 3.18/5
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$447.5m
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.

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$8.77

US$447.5m

1.33%

30.82%