Arthur J. Gallagher & Co. (AJG)
NYSE: AJG · Real-Time Price · USD
211.72
-6.06 (-2.78%)
At close: Mar 10, 2026, 4:00 PM EDT
215.50
+3.78 (1.79%)
Pre-market: Mar 11, 2026, 7:47 AM EDT

Arthur J. Gallagher & Co. Market Cap

Arthur J. Gallagher & Co. has a market cap or net worth of $54.43 billion as of March 11, 2026. Its market cap has decreased by -34.94% in one year.

Market Cap
54.43B
Enterprise Value
66.65B
1-Year Change
-34.94%
Ranking
Category
Stock Price
$211.72

Market Cap Chart

Since December 1, 1998, Arthur J. Gallagher & Co.'s market cap has increased from $784.20M to $54.43B, an increase of 6,841.24%. That is a compound annual growth rate of 16.81%.

History

DateMarket Cap% Change
Mar 10, 202654.43B-18.09%
Dec 31, 202566.46B6.71%
Dec 31, 202462.28B28.27%
Dec 29, 202348.55B22.14%
Dec 30, 202239.75B13.03%
Dec 31, 202135.17B47.82%
Dec 31, 202023.79B33.95%
Dec 31, 201917.76B31.23%
Dec 31, 201813.54B18.30%
Dec 29, 201711.44B23.74%
Dec 30, 20169.25B27.81%
Dec 31, 20157.23B-4.79%
Dec 31, 20147.60B23.07%
Dec 31, 20136.17B43.23%
Dec 31, 20124.31B14.18%
Dec 30, 20113.77B22.45%
Dec 31, 20103.08B34.53%
Dec 31, 20092.29B-6.90%
Dec 31, 20082.46B8.36%
Dec 31, 20072.27B-21.65%
Dec 29, 20062.90B-1.39%
Dec 30, 20052.94B-2.10%
Dec 31, 20043.00B2.62%
Dec 31, 20032.93B13.22%
Dec 31, 20022.58B-11.53%
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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