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AJG
Arthur J. Gallagher & Co.Stock · FinancialsS&P 500 0.1%
$247.75+$5.54 (+2.29%)as of market close, Jul 24, 2026
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AJG trailing returns

Arthur J. Gallagher & Co.'s 10-year annualized return is +19.5% per year (+491.4% cumulative). How Arthur J. Gallagher & Co. (AJG) has performed over the last day, week, month and year, over 5, 10 and 20 years, and since inception, through July 24, 2026 — cumulative and annualized, with dividends on or off.

Trailing returns by period#

To 2026-07-24. Annualized (CAGR) for windows of a year or more.

PeriodPathAnnualizedCumulative
1 day+2.3%
1 week-2.4%
1 month+12.2%
YTD-3.7%
1 year
-19.4%
-19.4%
5 years
+12.8%
+82.5%
10 years
+19.5%
+491.4%
20 years
+15.5%
+1672.0%
Since inception (1984)
+14.0%
+24493.0%

Growth of AJG#

Actual index level (solid); dashed lines are each window's constant-rate path from start to today.

2.05.010.020.050.010020019861992199820042010201620225 yearsJul 2021 → Jul 2026+82.5%+12.8%/year10 yearsJul 2016 → Jul 2026+491.4%+19.5%/year20 yearsJul 2006 → Jul 2026+1672.0%+15.5%/yearSince inception (1984)Aug 1984 → Jul 2026+24493.0%+14.0%/year

Methodology#

Trailing returns measure from the closest close about N years before the latest close (2026-07-24). Cumulative return is the total change over the window; annualized return is the compound annual growth rate (CAGR), shown for windows of a year or more. Total return reinvests dividends (from AJG's split- and dividend-adjusted closes); price return excludes them. See the year-by-year returns for the calendar breakdown. Past performance does not predict future returns; not investment advice.

See also: S&P 500 · Nasdaq-100 · Dow Jones · Russell 2000 · US Bond Market · Gold · Silver · Bitcoin · Ethereum

FAQ

What is Arthur J. Gallagher & Co.'s 10-year return?
Over the last 10 years, Arthur J. Gallagher & Co. (AJG) returned about +19.5% a year annualized (+491.4% cumulative total return).
What is Arthur J. Gallagher & Co.'s 20-year annualized return?
Over the last 20 years, Arthur J. Gallagher & Co. (AJG) compounded at about +15.5% a year (+1672.0% cumulative).
What is Arthur J. Gallagher & Co.'s return since inception?
Since 1984, Arthur J. Gallagher & Co. (AJG) has compounded at about +14.0% a year — +24493.0% in total.