Dark

AON
Aon plc Class A
stock NYSE

At Close

Sep 9, 2026 3:59:57 PM EDT

304.77USD-3.490%(-11.02)2,251,531

288.81Bid 324.17Ask 35.36Spread

Pre-market

Sep 8, 2026 9:22:30 AM EDT

323.15USD+2.331%(+7.36)0

After-hours

Sep 9, 2026 4:10:30 PM EDT

304.69USD-0.026%(-0.08)305,439

OverviewOptionsHistoricalExchangesShortsMore

open chart

Market Cap

64.66B

CEO

Gregory C. Case

Headquarters

122 Leadenhall Street, London, United Kingdom

Industry

Insurance Brokers

Next Earnings

Oct 30, 2026 (50d)

Nov 1, 20240.675

May 18, 19993for2

Avg. Vol. 10 Day

1,447,453

Avg. Vol. 30 Day

1,241,673

Employees

50,000

Market Cap

64,660,074,792

Shares Out.

212,125,434

On/Off Exchange

52%/48%

6 Month Beta

-0.32

1 Year Beta

-0.23

2 Year Beta

0.20

3 Year Beta

0.25

52 Week Low

304.59

52 Week High

382.34

SMA50

352.89

SMA200

337.07

1 Week

-7.88%

1 Month

-14.61%

3 Month

-8.07%

6 Month

-8.42%

1 Year

-16.80%

2 Year

-13.03%

5 Year

+4.26%

Profile

aon plc (nyse:aon) is a leading global professional services firm providing a broad range of risk, retirement and health solutions. our 50,000 colleagues in 120 countries empower results for clients by using proprietary data and analytics to deliver insights that reduce volatility and improve performance.

AON Stock Summary

Aon plc Class A (NYSE:AON) stock price today is $304.77, and today's volume is 2,251,531. AON is down -3.490% today. The 30 day average volume is 1,241,673. AON market cap is 64.66B with 212,125,434 shares outstanding.

document.getElementById("Vt57HH").onerror = function(){this.style.display='none';}; .dark-mode .Dq1sng{ color: white; background-color: #333333; border: 2px solid white; }.light-mode .Dq1sng{ color: #333333; background-color: white; border: 2px solid #333333; }AONAon plc Class Astock NYSE

AON Stock Summary

AON
Aon plc Class A
stock NYSE