PROTHENA CORP PUBLIC LTD CO Common Stock Shares Outstanding

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PROTHENA CORP PUBLIC LTD CO reported Common Stock Shares Outstanding of 53.83 million shares for the year ending 2025.

  • PROTHENA CORP PUBLIC LTD CO showed an increase of +0.0% in Common Stock Shares Outstanding from 2024 to 2025.
  • This data is from PROTHENA CORP PUBLIC LTD CO's annual report (Form 10-K), filed with the SEC on February 27, 2026.
  • XBRL data for this metric is available from 2012 to 2025 (14 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
  • Over the full 14 years of available data (2012 to 2025), PROTHENA CORP PUBLIC LTD CO's Common Stock Shares Outstanding has grown by 204.5%.
  • Historical annual values: Fiscal year 2025: 53.83 million shares | Fiscal year 2024: 53.83 million shares | Fiscal year 2023: 53.68 million shares | Fiscal year 2022: 52.10 million shares | Fiscal year 2021: 46.66 million shares | Fiscal year 2020: 39.92 million shares | Fiscal year 2019: 39.90 million shares | Fiscal year 2018: 39.86 million shares | Fiscal year 2017: 38.48 million shares | Fiscal year 2016: 34.75 million shares | Fiscal year 2015: 31.74 million shares | Fiscal year 2014: 27.39 million shares | Fiscal year 2013: 21.86 million shares | Fiscal year 2012: 17.68 million shares.
  • Data sourced from SEC EDGAR public filings as of June 20, 2026.

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