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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.
- Quarterly values from 10-Q filings: Q2 2013: 17.68 billion shares | Q3 2013: 17.68 million shares | Q1 2014: 21.90 million shares | Q2 2014: 26.66 million shares | Q3 2014: 27.38 million shares | Q1 2015: 27.47 million shares | Q2 2015: 31.38 million shares | Q3 2015: 31.52 million shares | Q1 2016: 34.34 million shares | Q2 2016: 34.38 million shares | Q3 2016: 34.46 million shares | Q1 2017: 37.96 million shares | Q2 2017: 38.16 million shares | Q3 2017: 38.44 million shares | Q1 2018: 39.82 million shares | Q2 2018: 39.83 million shares | Q3 2018: 39.86 million shares | Q1 2019: 39.86 million shares | Q2 2019: 39.90 million shares | Q3 2019: 39.90 million shares | Q1 2020: 39.91 million shares | Q2 2020: 39.91 million shares | Q3 2020: 39.92 million shares | Q1 2021: 44.18 million shares | Q2 2021: 44.91 million shares | Q3 2021: 46.53 million shares | Q1 2022: 46.75 million shares | Q2 2022: 46.81 million shares | Q3 2022: 47.89 million shares | Q1 2023: 52.68 million shares | Q2 2023: 53.49 million shares | Q3 2023: 53.64 million shares | Q1 2024: 53.72 million shares | Q2 2024: 53.77 million shares | Q3 2024: 53.81 million shares | Q1 2025: 53.83 million shares | Q2 2025: 53.83 million shares | Q3 2025: 53.83 million shares.
- 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 August 6, 2026.
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