Arthur J. Gallagher (AJG) Market Cap 1985–2026

As of November 13, 2026, Arthur J. Gallagher had a market cap of $72.55 billion, which increased by 2.05% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.

Data updated: Nov 13, 2026, 4:00 PM ET

Arthur J. Gallagher & Co. (AJG)

🌍 United States 📈 NYSE 🏭 Financial Services 🏢 Insurance

Latest Market Cap

$72.55B ▲ 2.05%

Start of 2026

$66.46B ▲ 9.16%

1 Year Ago

$65.92B ▲ 10.06%

All-Time High

$89.3B ▼ 18.76%

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Note: Each point on the chart represents the market capitalization at the end of the trading day.
Source: Data compiled from EDGAR filings, Bloomberg and Yahoo Finance.

📈 Arthur J. Gallagher Market Cap History by Year and Month

Arthur J. Gallagher Market Cap History by Year and Month
Year / Month	Market Cap	% Change
2026	$72.55B	▲ 9.16%
November 13, 2026	$72.55B	▲ 2.49%
October 30, 2026	$70.79B	▲ 21.09%
September 30, 2026	$58.46B	▼ 12.99%
August 31, 2026	$67.19B	▲ 5.08%
July 31, 2026	$63.94B	▲ 8.41%
June 30, 2026	$58.98B	▲ 14.15%
May 29, 2026	$51.67B	▼ 2.64%
April 30, 2026	$53.07B	▼ 4.69%
March 31, 2026	$55.68B	▼ 5.10%
February 27, 2026	$58.67B	▼ 8.44%
January 30, 2026	$64.08B	▼ 3.58%
2025	$66.46B	▼ 6.34%
December 31, 2025	$66.46B	▲ 4.51%
November 28, 2025	$63.59B	▼ 0.75%
October 31, 2025	$64.07B	▼ 19.32%
September 30, 2025	$79.41B	▲ 2.32%
August 29, 2025	$77.61B	▲ 5.39%
July 31, 2025	$73.64B	▼ 10.16%
June 30, 2025	$81.97B	▼ 7.86%
May 30, 2025	$88.96B	▲ 8.34%
April 30, 2025	$82.11B	▼ 7.12%
March 31, 2025	$88.4B	▲ 2.77%
February 28, 2025	$86.02B	▲ 11.90%
January 31, 2025	$76.87B	▲ 8.32%
2024	$70.963B	▲ 46.15%
December 31, 2024	$70.963B	▲ 3.56%
November 29, 2024	$68.521B	▲ 11.04%
October 31, 2024	$61.709B	▼ 0.06%
September 30, 2024	$61.747B	▼ 3.67%
August 30, 2024	$64.102B	▲ 3.20%
July 31, 2024	$62.113B	▲ 9.61%
June 28, 2024	$56.664B	▲ 2.36%
May 31, 2024	$55.358B	▲ 7.94%
April 30, 2024	$51.284B	▼ 6.04%
March 28, 2024	$54.584B	▲ 3.21%
February 29, 2024	$52.884B	▲ 5.07%
January 31, 2024	$50.332B	▲ 3.66%
2023	$48.554B	▲ 22.14%
December 29, 2023	$48.554B	▼ 9.69%
November 30, 2023	$53.762B	▲ 5.74%
October 31, 2023	$50.845B	▲ 3.51%
September 29, 2023	$49.121B	▼ 1.11%
August 31, 2023	$49.671B	▲ 7.30%
July 31, 2023	$46.292B	▼ 2.17%
June 30, 2023	$47.32B	▲ 10.25%
May 31, 2023	$42.921B	▼ 3.72%
April 28, 2023	$44.577B	▲ 8.76%
March 31, 2023	$40.988B	▲ 3.15%
February 28, 2023	$39.735B	▼ 4.28%
January 31, 2023	$41.51B	▲ 4.42%
2022	$39.752B	▲ 12.37%
December 30, 2022	$39.752B	▼ 5.31%
November 30, 2022	$41.98B	▲ 6.43%
October 31, 2022	$39.444B	▲ 9.26%
September 30, 2022	$36.1B	▼ 5.48%
August 31, 2022	$38.191B	▲ 1.44%
July 29, 2022	$37.649B	▲ 9.78%
June 30, 2022	$34.294B	▲ 0.81%
May 31, 2022	$34.019B	▼ 3.89%
April 29, 2022	$35.395B	▼ 3.50%
March 31, 2022	$36.678B	▲ 11.18%
February 28, 2022	$32.989B	▲ 0.16%
January 31, 2022	$32.937B	▼ 6.90%
2021	$35.376B	▲ 47.63%
December 31, 2021	$35.376B	▲ 4.77%
November 30, 2021	$33.766B	▼ 2.84%
October 29, 2021	$34.755B	▲ 12.80%
September 30, 2021	$30.812B	▲ 3.77%
August 31, 2021	$29.693B	▲ 3.09%
July 30, 2021	$28.802B	▼ 0.55%
June 30, 2021	$28.962B	▼ 4.22%
May 28, 2021	$30.237B	▲ 6.49%
April 30, 2021	$28.394B	▲ 16.17%
March 31, 2021	$24.441B	▲ 5.30%
February 26, 2021	$23.21B	▲ 3.83%
January 29, 2021	$22.355B	▼ 6.71%
2020	$23.963B	▲ 33.77%
December 31, 2020	$23.963B	▲ 7.96%
November 30, 2020	$22.196B	▲ 11.28%
October 30, 2020	$19.946B	▼ 1.77%
September 30, 2020	$20.305B	▲ 0.71%
August 31, 2020	$20.162B	▼ 2.04%
July 31, 2020	$20.581B	▲ 10.26%
June 30, 2020	$18.666B	▲ 4.41%
May 29, 2020	$17.877B	▲ 20.10%
April 30, 2020	$14.885B	▼ 3.69%
March 31, 2020	$15.456B	▼ 15.78%
February 28, 2020	$18.352B	▼ 4.95%
January 31, 2020	$19.309B	▲ 7.79%
2019	$17.913B	▲ 32.09%
December 31, 2019	$17.913B	▲ 2.97%
November 29, 2019	$17.397B	▲ 2.25%
October 31, 2019	$17.014B	▲ 1.84%
September 30, 2019	$16.707B	▼ 1.02%
August 30, 2019	$16.878B	▲ 0.31%
July 31, 2019	$16.826B	▲ 3.70%
June 28, 2019	$16.226B	▲ 4.03%
May 31, 2019	$15.598B	▲ 0.69%
April 30, 2019	$15.491B	▲ 7.09%
March 29, 2019	$14.466B	▼ 2.10%
February 28, 2019	$14.776B	▲ 7.46%
January 31, 2019	$13.751B	▲ 1.40%
2018	$13.561B	▲ 18.53%
December 31, 2018	$13.561B	▼ 4.19%
November 30, 2018	$14.154B	▲ 4.13%
October 31, 2018	$13.592B	▼ 0.01%
September 28, 2018	$13.593B	▲ 3.19%
August 31, 2018	$13.173B	▲ 1.11%
July 31, 2018	$13.029B	▲ 9.50%
June 29, 2018	$11.899B	▼ 1.51%
May 31, 2018	$12.081B	▼ 5.30%
April 30, 2018	$12.757B	▲ 1.96%
March 29, 2018	$12.512B	▼ 0.21%
February 28, 2018	$12.539B	▲ 1.16%
January 31, 2018	$12.395B	▲ 8.34%
2017	$11.441B	▲ 23.63%
December 29, 2017	$11.441B	▼ 3.87%
November 30, 2017	$11.902B	▲ 3.95%
October 31, 2017	$11.45B	▲ 3.26%
September 29, 2017	$11.089B	▲ 6.30%
August 31, 2017	$10.431B	▼ 1.51%
July 31, 2017	$10.592B	▲ 2.69%
June 30, 2017	$10.314B	▲ 1.28%
May 31, 2017	$10.184B	▲ 1.65%
April 28, 2017	$10.018B	▼ 1.29%
March 31, 2017	$10.149B	▼ 0.23%
February 28, 2017	$10.172B	▲ 5.80%
January 31, 2017	$9.615B	▲ 3.90%
2016	$9.255B	▲ 27.79%
December 30, 2016	$9.255B	▲ 3.20%
November 30, 2016	$8.968B	▲ 4.50%
October 31, 2016	$8.582B	▼ 5.19%
September 30, 2016	$9.052B	▲ 3.48%
August 31, 2016	$8.747B	▲ 0.45%
July 29, 2016	$8.708B	▲ 3.34%
June 30, 2016	$8.427B	▼ 1.57%
May 31, 2016	$8.561B	▲ 4.97%
April 29, 2016	$8.155B	▲ 3.51%
March 31, 2016	$7.879B	▲ 11.68%
February 29, 2016	$7.055B	▲ 5.95%
January 29, 2016	$6.659B	▼ 8.06%
2015	$7.242B	▼ 6.54%
December 31, 2015	$7.242B	▼ 6.32%
November 30, 2015	$7.731B	▲ 0.05%
October 30, 2015	$7.727B	▲ 5.94%
September 30, 2015	$7.294B	▼ 4.41%
August 31, 2015	$7.631B	▼ 7.82%
July 31, 2015	$8.278B	▲ 0.27%
June 30, 2015	$8.256B	▲ 2.19%
May 29, 2015	$8.079B	▲ 1.30%
April 30, 2015	$7.976B	▲ 2.37%
March 31, 2015	$7.791B	▲ 0.65%
February 27, 2015	$7.741B	▲ 5.85%
January 30, 2015	$7.313B	▼ 5.63%
2014	$7.749B	▲ 23.60%
December 31, 2014	$7.749B	▲ 0.15%
November 28, 2014	$7.738B	▲ 0.52%
October 31, 2014	$7.697B	▲ 5.16%
September 30, 2014	$7.32B	▼ 2.52%
August 29, 2014	$7.509B	▲ 4.96%
July 31, 2014	$7.155B	▼ 3.43%
June 30, 2014	$7.409B	▲ 2.90%
May 30, 2014	$7.2B	▲ 1.80%
April 30, 2014	$7.073B	▲ 10.03%
March 31, 2014	$6.428B	▲ 3.96%
February 28, 2014	$6.183B	▼ 0.06%
January 31, 2014	$6.187B	▼ 1.31%
2013	$6.27B	▲ 44.07%
December 31, 2013	$6.27B	▲ 2.42%
November 29, 2013	$6.122B	▼ 1.92%
October 31, 2013	$6.242B	▲ 8.71%
September 30, 2013	$5.742B	▲ 8.76%
August 30, 2013	$5.279B	▼ 6.85%
July 31, 2013	$5.667B	▲ 2.34%
June 28, 2013	$5.538B	▲ 0.02%
May 31, 2013	$5.536B	▲ 2.90%
April 30, 2013	$5.381B	▲ 2.87%
March 28, 2013	$5.23B	▲ 7.99%
February 28, 2013	$4.843B	▲ 4.14%
January 31, 2013	$4.651B	▲ 6.87%
2012	$4.352B	▲ 15.29%
December 31, 2012	$4.352B	▼ 4.20%
November 30, 2012	$4.543B	▲ 3.05%
October 31, 2012	$4.408B	▲ 1.73%
September 28, 2012	$4.334B	▲ 0.28%
August 31, 2012	$4.321B	▲ 0.68%
July 31, 2012	$4.292B	▲ 3.46%
June 29, 2012	$4.149B	▲ 0.95%
May 31, 2012	$4.11B	▼ 7.51%
April 30, 2012	$4.443B	▲ 5.93%
March 30, 2012	$4.195B	▲ 6.87%
February 29, 2012	$3.925B	▲ 2.34%
January 31, 2012	$3.835B	▲ 1.61%
2011	$3.775B	▲ 19.75%
December 30, 2011	$3.775B	▲ 7.94%
November 30, 2011	$3.497B	▲ 0.26%
October 31, 2011	$3.488B	▲ 17.49%
September 30, 2011	$2.969B	▼ 6.16%
August 31, 2011	$3.164B	▲ 0.32%
July 29, 2011	$3.154B	▼ 1.47%
June 30, 2011	$3.201B	▲ 1.11%
May 31, 2011	$3.166B	▼ 3.59%
April 29, 2011	$3.284B	▼ 2.07%
March 31, 2011	$3.353B	▼ 1.67%
February 28, 2011	$3.41B	▲ 5.80%
January 31, 2011	$3.223B	▲ 2.25%
2010	$3.152B	▲ 36.62%
December 31, 2010	$3.152B	▲ 5.90%
November 30, 2010	$2.977B	▼ 0.28%
October 29, 2010	$2.985B	▲ 6.79%
September 30, 2010	$2.795B	▲ 6.93%
August 31, 2010	$2.614B	▼ 2.24%
July 30, 2010	$2.674B	▲ 4.27%
June 30, 2010	$2.565B	▲ 0.27%
May 28, 2010	$2.558B	▼ 6.01%
April 30, 2010	$2.722B	▲ 7.01%
March 31, 2010	$2.543B	▲ 4.59%
February 26, 2010	$2.432B	▲ 5.21%
January 29, 2010	$2.311B	▲ 0.18%
2009	$2.307B	▼ 7.65%
December 31, 2009	$2.307B	▲ 1.18%
November 30, 2009	$2.28B	▲ 0.40%
October 30, 2009	$2.271B	▼ 8.45%
September 30, 2009	$2.481B	▲ 3.13%
August 31, 2009	$2.406B	▲ 3.80%
July 31, 2009	$2.317B	▲ 7.31%
June 30, 2009	$2.16B	▲ 2.88%
May 29, 2009	$2.099B	▼ 6.81%
April 30, 2009	$2.252B	▲ 32.24%
March 31, 2009	$1.703B	▲ 11.31%
February 27, 2009	$1.53B	▼ 32.67%
January 30, 2009	$2.273B	▼ 9.03%
2008	$2.499B	▲ 12.21%
December 31, 2008	$2.499B	▲ 6.05%
November 28, 2008	$2.356B	▲ 1.81%
October 31, 2008	$2.314B	▼ 5.07%
September 30, 2008	$2.438B	▼ 1.33%
August 29, 2008	$2.471B	▲ 4.13%
July 31, 2008	$2.373B	▲ 5.52%
June 30, 2008	$2.249B	▼ 5.09%
May 30, 2008	$2.369B	▲ 3.91%
April 30, 2008	$2.28B	▲ 4.02%
March 31, 2008	$2.192B	▲ 0.90%
February 29, 2008	$2.172B	▼ 7.05%
January 31, 2008	$2.337B	▲ 4.96%
2007	$2.227B	▼ 23.19%
December 31, 2007	$2.227B	▼ 9.77%
November 30, 2007	$2.468B	▼ 1.24%
October 31, 2007	$2.499B	▼ 9.50%
September 28, 2007	$2.761B	▼ 1.90%
August 31, 2007	$2.814B	▲ 7.07%
July 31, 2007	$2.628B	▼ 4.68%
June 29, 2007	$2.757B	▼ 5.17%
May 31, 2007	$2.908B	▲ 5.15%
April 30, 2007	$2.765B	▼ 0.75%
March 30, 2007	$2.786B	▼ 1.05%
February 28, 2007	$2.816B	▼ 0.14%
January 31, 2007	$2.82B	▼ 2.73%
2006	$2.899B	▼ 1.39%
December 29, 2006	$2.899B	▲ 0.89%
November 30, 2006	$2.873B	▲ 5.17%
October 31, 2006	$2.732B	▲ 5.39%
September 29, 2006	$2.592B	▼ 0.49%
August 31, 2006	$2.605B	▼ 1.36%
July 31, 2006	$2.641B	▲ 7.22%
June 30, 2006	$2.463B	▼ 4.17%
May 31, 2006	$2.57B	▼ 3.13%
April 28, 2006	$2.653B	▼ 1.33%
March 31, 2006	$2.689B	▼ 4.73%
February 28, 2006	$2.823B	▲ 1.13%
January 31, 2006	$2.791B	▼ 5.05%
2005	$2.94B	▼ 1.81%
December 30, 2005	$2.94B	▲ 1.41%
November 30, 2005	$2.899B	▲ 3.50%
October 31, 2005	$2.801B	▲ 2.12%
September 30, 2005	$2.743B	▲ 1.52%
August 31, 2005	$2.702B	▲ 2.40%
July 29, 2005	$2.638B	▲ 2.80%
June 30, 2005	$2.566B	▼ 0.30%
May 31, 2005	$2.574B	▼ 0.79%
April 29, 2005	$2.595B	▼ 3.33%
March 31, 2005	$2.684B	▼ 2.42%
February 28, 2005	$2.751B	▲ 0.71%
January 31, 2005	$2.731B	▼ 8.77%
2004	$2.994B	▲ 2.39%
December 31, 2004	$2.994B	▲ 5.71%
November 30, 2004	$2.832B	▲ 9.07%
October 29, 2004	$2.596B	▼ 15.18%
September 30, 2004	$3.061B	▲ 4.57%
August 31, 2004	$2.927B	▲ 2.87%
July 30, 2004	$2.846B	▲ 1.71%
June 30, 2004	$2.798B	▼ 3.25%
May 28, 2004	$2.892B	▼ 1.18%
April 30, 2004	$2.926B	▼ 1.04%
March 31, 2004	$2.957B	▼ 2.36%
February 27, 2004	$3.029B	▲ 7.58%
January 30, 2004	$2.815B	▼ 3.72%
2003	$2.924B	▲ 12.40%
December 31, 2003	$2.924B	▲ 3.72%
November 28, 2003	$2.819B	▲ 7.23%
October 31, 2003	$2.629B	▲ 3.22%
September 30, 2003	$2.547B	▲ 4.15%
August 29, 2003	$2.446B	▲ 1.77%
July 31, 2003	$2.403B	▼ 2.46%
June 30, 2003	$2.464B	▲ 0.38%
May 30, 2003	$2.454B	▲ 9.04%
April 30, 2003	$2.251B	▲ 3.24%
March 31, 2003	$2.18B	▲ 0.33%
February 28, 2003	$2.173B	▼ 2.80%
January 31, 2003	$2.236B	▼ 14.06%
2002	$2.602B	▼ 11.37%
December 31, 2002	$2.602B	▲ 4.98%
November 29, 2002	$2.478B	▲ 5.03%
October 31, 2002	$2.359B	▲ 8.80%
September 30, 2002	$2.168B	▼ 15.23%
August 30, 2002	$2.558B	▼ 1.53%
July 31, 2002	$2.598B	▼ 12.91%
June 28, 2002	$2.983B	▼ 1.70%
May 31, 2002	$3.035B	▼ 2.35%
April 30, 2002	$3.108B	▲ 10.82%
March 28, 2002	$2.804B	▼ 6.00%
February 28, 2002	$2.983B	▲ 6.22%
January 31, 2002	$2.809B	▼ 4.32%
2001	$2.935B	▲ 17.25%
December 31, 2001	$2.935B	▼ 5.05%
November 30, 2001	$3.092B	▼ 0.11%
October 31, 2001	$3.095B	▲ 8.65%
September 28, 2001	$2.848B	▲ 27.69%
August 31, 2001	$2.231B	▼ 3.60%
July 31, 2001	$2.314B	▲ 10.36%
June 29, 2001	$2.097B	▼ 5.45%
May 31, 2001	$2.218B	▲ 9.04%
April 30, 2001	$2.034B	▼ 7.83%
March 30, 2001	$2.207B	▲ 8.50%
February 28, 2001	$2.034B	▼ 1.10%
January 31, 2001	$2.057B	▼ 17.85%
2000	$2.504B	▲ 109.91%
December 29, 2000	$2.504B	▲ 7.84%
November 30, 2000	$2.322B	▼ 6.53%
October 31, 2000	$2.484B	▲ 10.12%
September 29, 2000	$2.256B	▲ 20.66%
August 31, 2000	$1.869B	▼ 0.13%
July 31, 2000	$1.872B	▲ 16.82%
June 30, 2000	$1.602B	▲ 11.29%
May 31, 2000	$1.44B	▲ 3.86%
April 28, 2000	$1.386B	▲ 14.62%
March 31, 2000	$1.209B	▲ 27.57%
February 29, 2000	$0.948B	▼ 4.24%
January 31, 2000	$0.99B	▼ 16.99%
1999	$1.193B	▲ 53.19%
December 31, 1999	$1.193B	▲ 19.13%
November 30, 1999	$1.001B	▲ 5.31%
October 29, 1999	$0.951B	▼ 2.82%
September 30, 1999	$0.978B	▼ 1.58%
August 31, 1999	$0.994B	▲ 4.80%
July 30, 1999	$0.948B	▲ 5.30%
June 30, 1999	$0.901B	▲ 2.83%
May 28, 1999	$0.876B	▲ 2.50%
April 30, 1999	$0.855B	▲ 3.26%
March 31, 1999	$0.828B	▼ 1.78%
February 26, 1999	$0.843B	▼ 4.50%
January 29, 1999	$0.882B	▲ 13.31%
1998	$0.779B	▲ 36.28%
December 31, 1998	$0.779B	▼ 2.84%
November 30, 1998	$0.801B	▲ 9.44%
October 30, 1998	$0.732B	▲ 2.73%
September 30, 1998	$0.713B	▲ 11.73%
August 31, 1998	$0.638B	▼ 5.58%
July 31, 1998	$0.676B	▼ 12.43%
June 30, 1998	$0.772B	▲ 5.28%
May 29, 1998	$0.733B	▼ 1.71%
April 30, 1998	$0.746B	▲ 1.30%
March 31, 1998	$0.736B	▲ 7.27%
February 27, 1998	$0.686B	▲ 11.66%
January 30, 1998	$0.615B	▲ 7.57%
1997	$0.571B	▲ 13.12%
December 31, 1997	$0.571B	▼ 3.09%
November 28, 1997	$0.59B	▲ 2.14%
October 31, 1997	$0.577B	▼ 6.04%
September 30, 1997	$0.614B	▲ 5.09%
August 29, 1997	$0.585B	▼ 1.38%
July 31, 1997	$0.593B	▼ 3.97%
June 30, 1997	$0.617B	▲ 18.73%
May 30, 1997	$0.52B	▲ 1.60%
April 30, 1997	$0.512B	▼ 4.94%
March 31, 1997	$0.538B	▲ 5.11%
February 28, 1997	$0.512B	▲ 4.33%
January 31, 1997	$0.491B	▼ 2.82%
1996	$0.505B	▼ 12.82%
December 31, 1996	$0.505B	▲ 1.22%
November 29, 1996	$0.499B	▲ 4.68%
October 31, 1996	$0.477B	▼ 14.55%
September 30, 1996	$0.558B	▲ 4.92%
August 30, 1996	$0.532B	▲ 7.94%
July 31, 1996	$0.493B	▼ 1.56%
June 28, 1996	$0.5B	▼ 0.39%
May 31, 1996	$0.502B	▼ 1.15%
April 30, 1996	$0.508B	▼ 10.51%
March 29, 1996	$0.568B	▼ 7.03%
February 29, 1996	$0.611B	▲ 6.31%
January 31, 1996	$0.575B	▼ 0.82%
1995	$0.579B	▲ 13.93%
December 29, 1995	$0.579B	▲ 13.74%
November 30, 1995	$0.509B	▼ 7.42%
October 31, 1995	$0.55B	▲ 2.75%
September 29, 1995	$0.535B	▼ 3.40%
August 31, 1995	$0.554B	▼ 2.33%
July 31, 1995	$0.567B	▲ 3.44%
June 30, 1995	$0.549B	▲ 4.75%
May 31, 1995	$0.524B	▲ 1.82%
April 28, 1995	$0.514B	▼ 3.18%
March 31, 1995	$0.531B	▲ 2.66%
February 28, 1995	$0.517B	▲ 2.56%
January 31, 1995	$0.505B	▼ 0.78%
1994	$0.508B	▼ 7.63%
December 30, 1994	$0.508B	▲ 1.99%
November 30, 1994	$0.499B	▼ 4.20%
October 31, 1994	$0.52B	▼ 0.38%
September 30, 1994	$0.522B	▲ 5.67%
August 31, 1994	$0.494B	▲ 3.56%
July 29, 1994	$0.477B	▲ 2.02%
June 30, 1994	$0.468B	▼ 3.50%
May 31, 1994	$0.485B	▲ 1.18%
April 29, 1994	$0.479B	▲ 11.40%
March 31, 1994	$0.43B	▼ 6.34%
February 28, 1994	$0.459B	▼ 2.42%
January 31, 1994	$0.471B	▼ 14.48%
1993	$0.55B	▲ 37.90%
December 31, 1993	$0.55B	▲ 6.19%
November 30, 1993	$0.518B	▼ 7.43%
October 29, 1993	$0.56B	▲ 15.63%
September 30, 1993	$0.484B	▲ 1.47%
August 31, 1993	$0.477B	— 0.00%
July 30, 1993	$0.477B	▼ 4.18%
June 30, 1993	$0.498B	▲ 2.56%
May 28, 1993	$0.486B	▼ 0.37%
April 30, 1993	$0.488B	▼ 5.63%
March 31, 1993	$0.517B	▲ 9.14%
February 26, 1993	$0.473B	▲ 19.64%
January 29, 1993	$0.396B	▼ 0.88%
1992	$0.399B	▲ 30.98%
December 31, 1992	$0.399B	▲ 6.09%
November 30, 1992	$0.376B	— 0.00%
October 30, 1992	$0.376B	▼ 1.34%
September 30, 1992	$0.381B	▲ 7.63%
August 31, 1992	$0.354B	▲ 8.25%
July 31, 1992	$0.327B	▲ 10.86%
June 30, 1992	$0.295B	▼ 6.26%
May 29, 1992	$0.315B	▲ 6.29%
April 30, 1992	$0.296B	▼ 9.33%
March 31, 1992	$0.327B	▼ 0.53%
February 28, 1992	$0.329B	▲ 3.21%
January 31, 1992	$0.318B	▲ 4.47%
1991	$0.305B	▲ 10.26%
December 31, 1991	$0.305B	▼ 0.02%
November 29, 1991	$0.305B	▲ 7.32%
October 31, 1991	$0.284B	▲ 4.46%
September 30, 1991	$0.272B	▲ 1.88%
August 30, 1991	$0.267B	▼ 0.62%
July 31, 1991	$0.269B	▼ 2.51%
June 28, 1991	$0.275B	▲ 4.52%
May 31, 1991	$0.264B	▼ 11.50%
April 30, 1991	$0.298B	▼ 10.53%
March 28, 1991	$0.333B	▲ 9.80%
February 28, 1991	$0.303B	▲ 12.71%
January 31, 1991	$0.269B	▼ 2.69%
1990	$0.276B	▼ 1.59%
December 31, 1990	$0.276B	▼ 2.56%
November 30, 1990	$0.284B	▲ 16.97%
October 31, 1990	$0.242B	▲ 1.38%
September 28, 1990	$0.239B	▲ 2.47%
August 31, 1990	$0.233B	▼ 11.48%
July 31, 1990	$0.264B	▼ 0.15%
June 29, 1990	$0.264B	▲ 2.79%
May 31, 1990	$0.257B	▲ 4.07%
April 30, 1990	$0.247B	▼ 7.57%
March 30, 1990	$0.267B	▲ 1.64%
February 28, 1990	$0.263B	▲ 3.39%
January 31, 1990	$0.254B	▼ 9.50%
1989	$0.281B	▲ 53.97%
December 29, 1989	$0.281B	▼ 1.99%
November 30, 1989	$0.287B	▲ 6.35%
October 31, 1989	$0.269B	▲ 2.72%
September 29, 1989	$0.262B	▲ 2.79%
August 31, 1989	$0.255B	▼ 2.72%
July 31, 1989	$0.262B	▲ 15.00%
June 30, 1989	$0.228B	▲ 6.73%
May 31, 1989	$0.214B	— 0.00%
April 28, 1989	$0.214B	▲ 9.79%
March 31, 1989	$0.195B	▼ 2.05%
February 28, 1989	$0.199B	▲ 3.55%
January 31, 1989	$0.192B	▲ 5.22%
1988	$0.182B	▼ 3.51%
December 30, 1988	$0.182B	▼ 4.96%
November 30, 1988	$0.192B	▲ 3.68%
October 31, 1988	$0.185B	▼ 1.45%
September 30, 1988	$0.188B	▼ 0.63%
August 31, 1988	$0.189B	▲ 0.72%
July 29, 1988	$0.188B	▼ 6.12%
June 30, 1988	$0.2B	▲ 9.70%
May 31, 1988	$0.182B	▲ 11.67%
April 29, 1988	$0.163B	▲ 3.45%
March 31, 1988	$0.158B	▼ 1.69%
February 29, 1988	$0.16B	▼ 4.07%
January 29, 1988	$0.167B	▼ 11.51%
1987	$0.189B	▼ 31.95%
December 31, 1987	$0.189B	▲ 8.26%
November 30, 1987	$0.175B	▼ 5.71%
October 30, 1987	$0.185B	▼ 16.67%
September 30, 1987	$0.222B	▼ 1.75%
August 31, 1987	$0.226B	▲ 0.59%
July 31, 1987	$0.225B	▲ 3.03%
June 30, 1987	$0.218B	▼ 1.79%
May 29, 1987	$0.222B	▲ 6.33%
April 30, 1987	$0.209B	▼ 18.56%
March 31, 1987	$0.257B	▼ 13.39%
February 27, 1987	$0.296B	▲ 3.70%
January 30, 1987	$0.286B	▲ 2.86%
1986	$0.278B	▲ 34.99%
December 31, 1986	$0.278B	▼ 0.87%
November 28, 1986	$0.28B	▼ 3.31%
October 31, 1986	$0.29B	▲ 2.54%
September 30, 1986	$0.283B	▲ 14.25%
August 29, 1986	$0.247B	▲ 7.41%
July 31, 1986	$0.23B	▲ 6.40%
June 30, 1986	$0.216B	▼ 1.46%
May 30, 1986	$0.22B	▲ 0.98%
April 30, 1986	$0.218B	▼ 6.42%
March 31, 1986	$0.232B	▼ 3.11%
February 28, 1986	$0.24B	▲ 6.13%
January 31, 1986	$0.226B	▲ 9.84%
1985	$0.206B	N/A
December 31, 1985	$0.206B	▲ 2.27%
November 29, 1985	$0.201B	▲ 13.86%
October 31, 1985	$0.177B	▲ 20.29%
September 30, 1985	$0.147B	▼ 9.14%
August 30, 1985	$0.162B	▼ 1.92%
July 31, 1985	$0.165B	▼ 4.88%
June 28, 1985	$0.173B	▼ 6.82%
May 31, 1985	$0.186B	▲ 5.71%
April 30, 1985	$0.176B	▲ 12.50%
March 29, 1985	$0.156B	— 0.00%
February 28, 1985	$0.156B	▲ 9.63%
January 31, 1985	$0.143B	N/A

All market cap values reflect closing prices for the period shown.

Note: Market capitalization figures are based on available sources and may differ slightly from actual values, particularly for historical data.

Arthur J. Gallagher & Co. (AJG)

📈 Arthur J. Gallagher Market Cap History by Year and Month

📊 Arthur J. Gallagher Market Cap and Other Industry Peers