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Aon AON · USD

Financials · Insurance · US listing · 🇺🇸 United States

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335.77

+0.29%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

At a glance

Figures in USD, from our data supplier.

FY2025

Revenue, before interest expense

$17.18bn

FY2016FY2025

Net income

$3.69bn

FY2016FY2025

Total assets

$50.78bn

FY2016FY2025

Shareholders' equity

$9.55bn

FY2016FY2025

Income statement

Fiscal years

FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Revenue, before interest expense$17.18bn$15.70bn$13.38bn$12.48bn$12.19bn$11.07bn$11.01bn$10.77bn$10.00bn$9.41bn
Research and development——$0$0$0$0————
Operating income$5.14bn$3.83bn$3.79bn$3.67bn$2.09bn$2.78bn$2.17bn$1.54bn$1.32bn$1.81bn
Net income$3.69bn$2.65bn$2.56bn$2.59bn$1.25bn$1.97bn$1.53bn$1.13bn$1.23bn$1.40bn
Diluted earnings per share17.0712.1612.6912.375.678.536.464.634.825.20

Balance sheet

At each fiscal year end

FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Total assets$50.78bn$48.97bn$33.96bn$32.70bn$31.93bn$32.11bn$29.41bn$26.42bn$26.09bn$26.61bn
Cash and short-term investments$2.80bn$11.62bn$1.15bn$1.14bn$836.0m$1.19bn$928.0m$828.0m$1.28bn$716.0m
Total liabilities$41.24bn$42.53bn$34.70bn$33.13bn$30.77bn$28.52bn$25.96bn$22.20bn$21.44bn$21.08bn
Debt$15.25bn$17.03bn$11.23bn$10.82bn$9.46bn$7.82bn$7.44bn$6.41bn$6.12bn$6.34bn
Shareholders' equity$9.55bn$6.43bn−$742.0m−$429.0m$1.16bn$3.58bn$3.45bn$4.22bn$4.65bn$5.53bn
Shares outstanding217m218m202m209m221m231m237m245m255m268m

Latest quarters

By quarter end

Jun 2026Mar 2026Dec 2025Sept 2025Jun 2025Mar 2025Dec 2024Sept 2024
Revenue, before interest expense$4.25bn$5.03bn$4.30bn$4.00bn$4.16bn$4.73bn$4.15bn$3.72bn
Operating income$823.0m$1.81bn$2.40bn$816.0m$859.0m$1.46bn$1.29bn$623.0m
Net income$551.0m$1.21bn$1.69bn$458.0m$579.0m$965.0m$716.0m$343.0m
Diluted earnings per share2.575.657.822.122.674.463.281.57
Total assets$53.35bn$51.43bn$50.78bn$51.64bn$54.01bn$50.30bn$48.97bn$49.88bn
Cash and short-term investments$1.27bn$1.42bn$2.80bn$1.30bn$9.70bn$8.39bn$11.62bn$1.30bn
Debt$15.14bn$14.84bn$15.25bn$16.98bn$17.47bn$17.82bn$17.21bn$17.49bn
Shareholders' equity$9.66bn$9.83bn$9.35bn$7.94bn$7.84bn$7.00bn$6.12bn$6.24bn

Growth per year

Compound annual rate

3 years5 years10 years
Revenue11.2%9.2%6.1%
Operating income11.9%13.1%12.5%
Net income12.6%13.4%10.3%

Average margins

Over each period

1 year3 years5 years10 years
Operating margin27.3%28.0%26.0%22.4%
Net margin19.3%19.6%18.0%16.1%

Valuation history

At each fiscal year end

FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Price to earnings20.729.522.924.353.024.832.231.427.821.4
Price to sales4.55.04.45.05.54.44.53.33.43.2

Market value over time

30 Sept 2016 to 11 Sept 2026, in USD

$30.37bn$64.96bn

Share price return

Finished calendar years

2025202420232022202120202019201820172016
Return0%13%5%2%39%-0%44%7%22%23%

Dividends and splits

Per share, in the currency the company pays

Paid for 36 years. Last went ex-dividend on 3 Aug 2026.

FY2026FY2025FY2024FY2023FY2022FY2021FY2020FY2019
Paid in the year2.3852.912.642.4052.191.991.781.72
  • 3-for-2 split · 18 May 1999
  • 3-for-2 split · 15 May 1997
  • 3-for-2 split · 17 May 1994

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.