Arthur J. Gallagher & Co. Market Cap

Arthur J. Gallagher & Co. has a market cap or net worth of 1.12 trillion as of December 5, 2025. Its market cap has decreased by -14.31% in one year.

Market Cap

1.12T

Enterprise Value

1.34T

Revenue

221.55B

Ranking

n/a

PE Ratio

38.14

Stock Price

4,530.10

Market Cap Chart

Since June 4, 1985, Arthur J. Gallagher & Co.'s market cap has increased from 189.20M to 1.12T, an increase of 591,863.01%. That is a compound annual growth rate of 23.90%.

Market Cap History

Date	Market Cap	% Change
Dec 4, 2025	1,149.43B	-22.20%
Dec 31, 2024	1,477.51B	80.00%
Dec 29, 2023	820.85B	5.86%
Dec 30, 2022	775.40B	7.55%
Dec 31, 2021	720.98B	52.29%
Dec 31, 2020	473.43B	41.31%
Dec 31, 2019	Pro	Pro
Dec 31, 2018	Pro	Pro
Dec 29, 2017	Pro	Pro
Dec 30, 2016	Pro	Pro
Dec 31, 2015	Pro	Pro

Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Full Definition

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