Aon plc (AON)

Price$276.09Cached quote
AONNYSE
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Financial charts

Revenue

Net income

Free cash flow

Total cash / debt

CashTotal debt

Financial statements

19 annual periodsNewest to oldest
2025202420232022202120202019201820172016201520142013201220112010200920082007
Revenue$17.18B$15.70B$13.38B$12.48B$12.19B$11.07B$11.01B$10.77B$10.00B$9.41B$9.48B$12.04B$11.81B$11.51B$11.29B$8.51B$7.59B$7.53B$7.23B
Operating expenses$12.84B$11.86B$9.59B$8.81B$10.10B$8.29B$8.84B$9.23B$8.93B$7.60B$7.89B$10.08B$10.14B$9.92B$9.69B$7.27B$6.57B$6.59B$6.23B
Operating income$4.34B$3.83B$3.79B$3.67B$2.09B$2.78B$2.17B$1.54B$1.06B$1.81B$1.59B$1.97B$1.67B$1.60B$1.60B$1.24B$1.02B$940.0M$1.00B
Operating margin25.28%24.43%28.30%29.40%17.14%25.13%19.69%14.34%10.65%19.25%16.74%16.32%14.14%13.86%14.14%14.61%13.44%12.49%13.87%
EBITDA$4.53B$4.03B$3.97B$3.85B$2.29B$2.97B$2.37B$1.72B$1.25B$1.97B$1.75B$2.21B$1.91B$1.83B$1.82B$1.40B$1.17B$1.16B—
EBITDA margin26.38%25.65%29.69%30.84%18.82%26.87%21.49%15.97%12.52%20.97%18.47%18.33%16.17%15.88%16.09%16.39%15.40%15.44%—
Net income$3.69B$2.65B$2.56B$2.59B$1.25B$1.97B$1.53B$1.17B$1.26B$1.43B$1.42B$1.43B$1.15B$1.02B$1.01B$706.0M$747.0M$1.46B$864.0M
Net profit margin21.51%16.91%19.17%20.75%10.29%17.79%13.91%10.90%12.63%15.20%15.00%11.88%9.72%8.86%8.95%8.29%9.84%19.42%11.94%
Basic EPSper basic share$17.11$12.55$12.60$12.23$5.59$8.49$6.42$4.62$4.74$5.21$4.93$4.73$3.57$3.02$2.92$2.41$2.64$4.99$2.83
Diluted EPSper diluted share$17.02$12.49$12.51$12.14$5.55$8.45$6.37$4.59$4.70$5.16$4.88$4.66$3.53$2.99$2.87$2.37$2.57$4.80$2.66

Owners

Reported shareholders

Reference date Jun 30, 2026

Reported holdings Number of shares

View holders
Top 20 reported holders of AON
HolderShares held
BlackRock, Inc.
15.72M
VANGUARD CAPITAL MANAGEMENT LLC
13.6M
JPMORGAN CHASE & CO
12.18M
Capital World Investors
11.71M
STATE STREET CORP
9.42M
Dodge & Cox
8.59M
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
7.62M
VANGUARD PORTFOLIO MANAGEMENT LLC
7.2M
MORGAN STANLEY
6.21M
GEODE CAPITAL MANAGEMENT, LLC
5.18M
Bank of New York Mellon Corp
3.19M
PRICE T ROWE ASSOCIATES INC /MD/
3.14M
NORGES BANK
2.8M
Mitsubishi UFJ Asset Management Co., Ltd.
2.75M
Independent Franchise Partners LLP
2.65M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
2.61M
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main
2.26M
Boston Partners
2.09M
NORTHERN TRUST CORP
2.04M
AQR CAPITAL MANAGEMENT LLC
1.91M

Bars compare reported share counts. A matching total for this share class and reporting period is unavailable, so percentages are not shown.

Source: SEC Form 13F ↗Updated Sep 29, 2026 · Quarterly data

Insider buys & sells

Jul 1, 2024–Jun 30, 2026
Buys2$1.52M disclosed value
Sells (SEC code S)9$9.33M disclosed value
11 recent transactions
TransactionInsiderTypeSharesPriceValueOwned after
Feb 26, 2026Form 4Zeidel DarrenGeneral CounselSellClass A Ordinary Stock4.3K$329.72$1.42M16.0K
Feb 17, 2026Form 4 · 10b5-1Zeidel DarrenGeneral CounselSellClass A Ordinary Stock5.0K$325.79$1.64M20.3K
Feb 10, 2026Form 4KNIGHT LESTER BDirectorBuyClass A Ordinary Stock · indirect4.0K$319.24$1.28M143.0K
Nov 5, 2025Form 4Zeidel DarrenGeneral CounselSellClass A Ordinary Stock1.2K$345.17$424.6K20.3K
Nov 5, 2025Form 4Zeidel DarrenGeneral CounselSellClass A Ordinary Stock7.6K$344.42$2.61M21.5K

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