Aon plc (AON) stock price, quote and key numbers

Updated 28 September 2026, 09:52 ET

Aon plc (AON) closed at $277.99 on 25 September 2026, up 0.7%. That leaves it down 6.0% over a week, down 21.5% over a month and down 21.4% over a year. It is at the bottom of its 52 week range of $275.38 to $382.34. The median analyst price target of $410 sits 47.5% above the close.

The price

Last close$277.99
Day+0.69%
1 week-5.97%
1 month-21.47%
3 months-15.42%
6 months-14.14%
Year to date-21.22%
1 year-21.41%
52 week high$382.34
52 week low$275.38
Volume1,642,564
Average volume, 3 months1,487,022
Market cap$58.6B

Changes compare dividend and split adjusted closes over trading sessions, so the one year figure is the last close against the close 252 sessions earlier. The 52 week range uses the daily highs and lows of the same window. Read the guide: How to read a stock quote.

The live price, the day's chart and the pre market and after hours prints are in the app: open AON in Just Stock Quotes.

Trend and range

AON trades below both its 50 day average of $337.67 and its 200 day average of $333.67, the shape of a downtrend. The 50 day average sits above the 200 day average. Its beta against the S&P 500 over the last year is -0.24, a stock that barely follows the market. It is 27.3% below its 52 week high and 0.9% above its 52 week low.

50 day average$337.67
200 day average$333.67
Above 50 dayNo
Above 200 dayNo
Beta, 1 year-0.24
Range position2%

Moving averages smooth the closes of the last 50 and 200 sessions; being above or below them describes the trend, it does not predict it. Beta is how much the stock moved for each move in the S&P 500 over the year. Read the guide: Moving averages, the 52 week range and beta.

What analysts say

In the last 90 days 13 firms recorded 26 actions on AON: 24 kept a view, 1 downgrade and 1 new initiation. Price targets: 16 raised and 9 lowered. The most recent targets from 13 firms run from $349 to $435, with a median of $410, 47.5% above the last close.

Actions, 90 days26
Firms13
Median target$410
Median vs close+47.49%
DateFirmActionPrice target
21 Sep 2026CitigroupReinstates Buy$435.00
16 Sep 2026MizuhoMaintains Outperform$398.00 to $366.00
14 Sep 2026TD CowenMaintains Buy$416.00 to $420.00
2 Sep 2026Evercore ISI GroupMaintains Outperform$436.00 to $423.00
1 Sep 2026BMO CapitalMaintains Market Perform$375.00 to $360.00
1 Sep 2026Keefe, Bruyette & WoodsMaintains Outperform$412.00 to $417.00

A target is one firm's guess at the price a year out, and the average runs optimistic. The useful reading is the mood: high targets and a wall of buys mean high expectations. Read the guide: What analyst ratings and price targets tell you.

Earnings

The next report is on the calendar for 30 October 2026 for Q3 2026, with earnings per share expected at $3.36. The last report, on 29 July 2026 for Q2 2026, showed EPS of $3.81 against $3.80 expected, a beat of 0.3%, on revenue of $4.2 billion. Aon plc beat the EPS estimate in 7 of its last 8 reported quarters.

Set a percent move alert before the report and the app pings you when the stock reacts, even after hours: open AON in Just Stock Quotes.

The numbers

Over the trailing twelve months Aon plc shows revenue growth of 4.92%, a gross margin of 27.56%, an operating margin of 26.48% and a return on equity of 44.88%.

MeasureValuePercentile
Revenue growth, TTM4.9%46th
Net income growth, TTM50.4%71st
Gross margin27.6%33rd
Operating margin26.5%86th
Free cash flow margin18.5%80th
Return on equity44.9%95th
Return on assets7.3%86th
Debt to equity1.3583rd
Current ratio1.0346th
Effective tax rate21.7%72nd

The percentile ranks the company against every US company the data covers; a high percentile means most companies score lower.

Margins say how much of each dollar of sales becomes profit, returns say how hard the balance sheet works, and debt to equity says how much of it is borrowed. The valuation ratios, price to earnings and the rest, are in the app on the stock page. Read the guide: The valuation ratios on a stock page.

About Aon plc

Exchange
NYSE
Sector
Financials
Industry
Insurance
Headquarters
London, Ireland
Chief executive
Gregory C. Case
Employees
50,000
Website
aon.com

Aon plc provides advice and solutions to clients focused on risk, retirement, and health worldwide. It offers commercial risk solutions, including retail brokerage, cyber, and global risk consulting solutions. The company also provides treaty and facultative reinsurance, as well as capital raising, strategic advice, restructuring, and mergers and acquisitions services.

In the same sector

Other Financials names in the S&P 500, by market cap:

JPM JPMorgan Chase & Co.V Visa Inc.MA Mastercard Inc.BAC Bank of America Corp.MS Morgan StanleyGS Goldman Sachs Group Inc.WFC Wells Fargo & CompanyC Citigroup Inc.

Learn

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