Quick Answer
Alkermes plc. reported Common Stock Shares Outstanding of 165.61 million shares for the year ending 2025.
- Alkermes plc. showed an increase of +2.1% in Common Stock Shares Outstanding from 2024 to 2025.
- This data is from Alkermes plc.'s annual report (Form 10-K), filed with the SEC on February 25, 2026.
- XBRL data for this metric is available from 2011 to 2025 (17 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
- Over the full 17 years of available data (2011 to 2025), Alkermes plc.'s Common Stock Shares Outstanding has grown by 73.0%.
- Historical annual values: Fiscal year 2025: 165.61 million shares | Fiscal year 2024: 162.18 million shares | Fiscal year 2023: 166.98 million shares | Fiscal year 2022: 164.38 million shares | Fiscal year 2021: 161.94 million shares | Fiscal year 2020: 159.16 million shares | Fiscal year 2020: 159.16 million shares | Fiscal year 2019: 157.78 million shares | Fiscal year 2018: 155.76 million shares | Fiscal year 2017: 154.01 million shares | Fiscal year 2016: 152.43 million shares | Fiscal year 2015: 150.70 million shares | Fiscal year 2014: 147.54 million shares | Fiscal year 2013: 137.79 million shares | Fiscal year 2013: 133.75 million shares | Fiscal year 2012: 130.18 million shares | Fiscal year 2011: 95.70 million shares.
- Data sourced from SEC EDGAR public filings as of June 20, 2026.
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