Arthur J. Gallagher & Co. (AJG) - Market capitalization

Market cap: C$100.39 Billion

As of January 2025 Arthur J. Gallagher & Co. has a market cap of C$100.39 Billion. This makes Arthur J. Gallagher & Co. the world's 278th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Arthur J. Gallagher & Co. from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	C$100.39 B	-2.26%
2024	C$102.71 B	59.49%
2023	C$64.39 B	19.39%
2022	C$53.94 B	19.67%
2021	C$45.07 B	48.58%
2020	C$30.33 B	29.67%
2019	C$23.39 B	26.65%
2018	C$18.47 B	28.42%
2017	C$14.38 B	15.66%
2016	C$12.43 B	23.79%
2015	C$10.04 B	11.71%
2014	C$8.99 B	34.74%
2013	C$6.67 B	54.22%
2012	C$4.32 B	12.71%
2011	C$3.83 B	21.86%
2010	C$3.15 B	29.79%
2009	C$2.42 B	-20.08%
2008	C$3.03 B	36.76%
2007	C$2.22 B	-34.36%
2006	C$3.38 B	-1.67%
2005	C$3.44 B	-4.3%
2004	C$3.59 B	-5.19%
2003	C$3.79 B	-7.69%
2002	C$4.10 B	-12.14%
2001	C$4.67 B	23.42%
2000	C$3.78 B	120.26%
1999	C$1.72 B	43.7%
1998	C$1.19 B	46.64%
1997	C$0.81 B	18.01%
1996	C$0.69 B

End of Day market cap according to different sources

On Jan 6th, 2025 the market cap of Arthur J. Gallagher & Co. was reported to be:

C$98.97 Billion

by Yahoo Finance

C$98.97 Billion

by CompaniesMarketCap

C$86.92 Billion

by Nasdaq

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Aon AON	C$109.72 B	9.29%	🇬🇧 UK
Marsh & McLennan Companies MMC	C$146.75 B	46.18%	🇺🇸 USA
Brown & Brown BRO	C$41.63 B	-58.53%	🇺🇸 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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Market capitalization of Arthur J. Gallagher & Co. (AJG)

Market cap: C$100.39 Billion