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AON
Aon plc
NYSE· Financial Services· Insurance Brokers· CUSIP G0403H108
$306.80+4.23%Price as of Oct 23, 00:41 UTC · updated once a day, after the close
At a glance
Aon plc (AON) is listed on NYSE and classified in Insurance Brokers, part of the Financial Services sector. It is headquartered in Dublin, Ireland and has 60,000 employees. The company is worth $65.08B and trades at 16.9x its earnings of the last twelve months; the median for its sector is 13.2x. Revenue was $17.18B in fiscal 2025, up 9.4% from the year before. Net income was $3.7B. The share price is 19.8% below its 52-week high of $382.34. It pays a dividend yielding 1.07%, and has raised its annual dividend for 14 years in a row in our records. 8 of the 38 superinvestors we track held it at the end of Q2 2026. The largest position belongs to Cliff Asness (AQR Capital Management), at $623.01M. In that quarter, 4 of them opened or added to the position and 3 reduced it. No open-market insider trades in it were filed over the last 30 days.
Written from the data on this page: SEC filings (13F, Form 4, annual reports) and market prices.
Key metrics
- Market cap
- $65.08B
- P/E
- 16.9x
- Forward P/E
- 15.2x
- P/B
- 6.8x
- Dividend yield
- 1.07%
- Payout
- 18.08%
- EPS
- $18.14
- ROE
- 44.70%
- Profit margin
- 22.27%
- Revenue growth
- +2.20%
- Beta
- 0.69
- 52-week high
- $382.34
- 52-week low
- $266.33
History
Year by year, from the annual reports; dividends from the payments themselves.
Bars are year-end balances; lines are what happened during the year.
Investors holding this
Major managers that reported this stock in their latest 13F.
Price over time
▼ -1.1% over 5Y.
today you would have $946.39▼ -5.4%
Dividends reinvested, splits accounted for. Past prices say what happened, not what will.
Indicators, year by year
The last 19 closed years, each at that year’s closing price and reported numbers.
| Indicator | Median | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Year-end price | $352.88 | $359.16 | $291.02 | $300.14 | $300.56 | $211.27 | $208.29 | $145.36 | $134.00 | $111.53 | $92.21 | $94.83 | $83.89 | $55.61 | $46.80 | $46.01 | $38.34 |
Fair price, seven ways
Seven formulas applied to the reported numbers, each with its assumption next to the result. None of them predicts a price.
Earnings
$135.94
Square root of 22.5 × earnings × book value. Blind to intangibles, so it undervalues software and brands.
Earnings
$292.08
Earnings growing 15.0% a year plus a 1.1% dividend yield. Growth capped at 25%.
Earnings
$238.63
Median P/E of 13.2 among peers in the sector.
Earnings
$392.08
Median P/E of 21.6 across this company’s own years on record.
Cash flow
$447.93
Cash flow growing 15.0% a year for 10 years, discounted at 10%, then 2.5% forever.
Operating
$196.83
Sector median of 12.4x operating profit, less net debt. Banks have no EBITDA.
Dividends
—
This formula has no meaning here — usually a loss, negative cash flow, or a missing input.
Others in the same sector
Companies of similar size in Financial Services, for comparison. The columns are the same ones above, in the same order.
| Stock | Price | P/E | P/B | Dividend yield | ROE | Market cap |
|---|---|---|---|---|---|---|
| ALLAllstate Corp | $259.10 | 5.2x | 2.1x | 1.67% | 46.11% | $65.52B |
| METMetlife Inc | $103.57 | 19.8x | 2.4x | 2.29% | 13.09% | $65.82B |
| NWGNatWest Group plc | $16.99 | 8.5x | 1.3x | 5.53% | 14.78% | $67.27B |
| APOApollo Global Management, Inc. | $114.83 |
About the company
- 60,000
- Dublin, Ireland
