Number of shares outstanding for Arthur J. Gallagher & Co. (AJG)

Number of shares outstanding as of December 2025 : 256,600,000

According to Arthur J. Gallagher & Co. 's latest financial reports and stock price the company's current number of shares outstanding is 256,600,000. At the end of 2025 the company had 256,600,000 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for Arthur J. Gallagher & Co. from 2001 to 2025

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2025	0.25 B	13.33%
2024	0.22 B	4.67%
2023	0.21 B	2.32%
2022	0.21 B	1.74%
2021	0.20 B	7.74%
2020	0.19 B	2.95%
2019	0.18 B	1.92%
2018	0.18 B	1.54%
2017	0.18 B	1.61%
2016	0.17 B	0.77%
2015	0.17 B	8.67%
2014	0.16 B	22.95%
2013	0.13 B	5.92%
2012	0.12 B	10.93%
2011	0.11 B	6.76%
2010	0.10 B	4.09%
2009	0.10 B	7.71%
2008	94.1 M	-0.09%
2007	94.18 M	-2.44%
2006	96.53 M	1.32%
2005	95.28 M	3.34%
2004	92.2 M	1.82%
2003	90.55 M	2.79%
2002	88.1 M	3.91%
2001	84.78 M

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
Aon AON	215,700,000	-15.94%	🇬🇧 UK
Marsh & McLennan Companies MMC	491,000,000	91.35%	🇺🇸 USA
Brown & Brown BRO	331,000,000	28.99%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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