NYSE:AJG | Market Cap | Arthur J. Gallagher & Co.

Historical market capitalization from contemporaneous retained split-adjusted close and filed split-adjusted shares outstanding.

Available history
2009-12-31 to 2026-09-03
Data captured

Historical Market Cap

DateMarket Cap
2026-09-03$68.38B
2026-06-30$58.84B
2026-03-31$55.64B
2026-01-31$64.11B
2025-12-31$66.51B
2025-09-30$79.54B
2025-06-30$82.08B
2025-03-31$88.42B
2025-01-31$76.87B
2024-12-31$70.96B
2024-09-30$61.73B
2024-06-30$56.81B
2024-03-31$54.63B
2024-01-31$50.33B
2023-12-31$48.73B
2023-09-30$49.21B
2023-06-30$47.32B
2023-03-31$40.98B
2023-01-31$41.51B
2022-12-31$39.95B
2022-09-30$36.09B
2022-06-30$34.29B
2022-03-31$36.68B
2022-01-31$32.94B
2021-12-31$35.38B
2021-09-30$30.82B
2021-06-30$28.97B
2021-03-31$24.44B
2021-01-31$22.36B
2020-12-31$23.96B
2020-09-30$20.3B
2020-06-30$18.67B
2020-03-31$15.45B
2020-01-31$19.31B
2019-12-31$17.91B
2019-09-30$16.7B
2019-06-30$16.3B
2019-03-31$14.47B
2019-01-31$13.75B
2018-12-31$13.56B
2018-09-30$13.67B
2018-06-30$11.92B
2018-04-30$12.76B
2018-03-31$12.52B
2018-01-31$12.4B
2017-12-31$11.45B
2017-09-30$11.13B
2017-06-30$10.32B
2017-03-31$10.15B
2017-01-31$9.61B
2016-12-31$9.26B
2016-09-30$9.05B
2016-06-30$8.43B
2016-03-31$7.88B
2016-01-31$6.66B
2015-12-31$7.24B
2015-09-30$7.29B
2015-06-30$8.25B
2015-03-31$7.79B
2015-01-31$7.32B
2014-12-31$7.75B
2014-09-30$7.32B
2014-06-30$7.41B
2014-04-17$7.1B
2014-03-31$6.43B
2014-01-31$6.19B
2013-12-31$6.27B
2013-09-30$5.74B
2013-06-30$5.58B
2013-03-31$5.24B
2013-01-31$4.65B
2012-12-31$4.35B
2012-09-30$4.46B
2012-06-30$4.24B
2012-03-31$4.23B
2012-01-31$3.84B
2011-12-31$3.84B
2011-09-30$2.97B
2011-06-30$3.2B
2011-03-31$3.35B
2011-01-31$3.22B
2010-12-31$3.15B
2010-09-30$2.8B
2010-06-30$2.56B
2009-12-31$2.31B