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Arthur J. Gallagher & Co. reported Common Stock Shares Outstanding of 257.00 million shares for the year ending 2025.
- Arthur J. Gallagher & Co. showed an increase of +2.8% in Common Stock Shares Outstanding from 2024 to 2025.
- This data is from Arthur J. Gallagher & Co.'s annual report (Form 10-K), filed with the SEC on February 17, 2026.
- XBRL data for this metric is available from 2009 to 2025 (17 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 2010: 105.20 million shares | Q3 2010: 106.00 million shares | Q1 2011: 110.30 million shares | Q2 2011: 112.20 million shares | Q3 2011: 112.90 million shares | Q1 2012: 118.30 million shares | Q2 2012: 121.00 million shares | Q3 2012: 124.40 million shares | Q1 2013: 126.80 million shares | Q2 2013: 127.70 million shares | Q3 2013: 131.50 million shares | Q1 2014: 135.10 million shares | Q2 2014: 159.00 million shares | Q3 2014: 161.40 million shares | Q1 2015: 166.70 million shares | Q2 2015: 174.50 million shares | Q3 2015: 176.70 million shares | Q1 2016: 177.10 million shares | Q2 2016: 177.00 million shares | Q3 2016: 177.90 million shares | Q1 2017: 179.50 million shares | Q2 2017: 180.20 million shares | Q3 2017: 180.80 million shares | Q1 2018: 182.10 million shares | Q2 2018: 182.60 million shares | Q3 2018: 183.70 million shares | Q1 2019: 185.30 million shares | Q2 2019: 186.10 million shares | Q3 2019: 186.50 million shares | Q1 2020: 189.60 million shares | Q2 2020: 191.50 million shares | Q3 2020: 192.30 million shares | Q1 2021: 195.90 million shares | Q2 2021: 206.80 million shares | Q3 2021: 207.30 million shares | Q1 2022: 210.10 million shares | Q2 2022: 210.30 million shares | Q3 2022: 210.80 million shares | Q1 2023: 214.20 million shares | Q2 2023: 215.50 million shares | Q3 2023: 215.90 million shares | Q1 2024: 218.50 million shares | Q2 2024: 219.10 million shares | Q3 2024: 219.40 million shares | Q1 2025: 256.10 million shares | Q2 2025: 256.40 million shares | Q3 2025: 256.80 million shares.
- Over the full 17 years of available data (2009 to 2025), Arthur J. Gallagher & Co.'s Common Stock Shares Outstanding has grown by 150.7%.
- Historical annual values: Fiscal year 2025: 257.00 million shares | Fiscal year 2024: 250.00 million shares | Fiscal year 2023: 216.70 million shares | Fiscal year 2022: 211.90 million shares | Fiscal year 2021: 208.50 million shares | Fiscal year 2020: 193.70 million shares | Fiscal year 2019: 188.10 million shares | Fiscal year 2018: 184.00 million shares | Fiscal year 2017: 181.00 million shares | Fiscal year 2016: 178.30 million shares | Fiscal year 2015: 176.90 million shares | Fiscal year 2014: 164.60 million shares | Fiscal year 2013: 133.60 million shares | Fiscal year 2012: 125.60 million shares | Fiscal year 2011: 114.70 million shares | Fiscal year 2010: 108.40 million shares | Fiscal year 2009: 102.50 million shares.
- Data sourced from SEC EDGAR public filings as of August 9, 2026.
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