AON · NYSE
Aon (AON) Stock Price & Fundamentals
Aon (AON) closed at $769.75 on Oct 9, 2026, up 1.27% from the previous close of $760.11.
Share price, past year
1Y +18.42%Monthly closing prices
| Date | Close |
|---|---|
| Oct 9, 2026 | $769.75 |
| Sep 30, 2026 | $757.23 |
| Aug 31, 2026 | $741.88 |
| Jul 31, 2026 | $760.66 |
| Jun 30, 2026 | $735.78 |
| May 29, 2026 | $704.27 |
| Apr 30, 2026 | $703.88 |
| Mar 31, 2026 | $644.43 |
| Feb 27, 2026 | $636.13 |
| Jan 30, 2026 | $630.37 |
| Dec 31, 2025 | $612.86 |
| Nov 28, 2025 | $618.39 |
| Oct 31, 2025 | $653.06 |
Key statistics
- Market cap
- $163.28B
- P/E (TTM)
- 42.4
- EPS (TTM)
- $18.14
- Revenue (TTM)
- $17.58B
- Net income (TTM)
- $3.91B
- Shares outstanding
- 212.1M
- Dividend yield
- —
- 52-week range
- $596.98 – $773.24
Aon's market cap is $163.28B, based on a share price of $769.75 and 212.1M shares outstanding as of Jul 28, 2026.
Financials
Aon reported revenue of $17.18B for fiscal 2025, up 9.45% from fiscal 2024.
Aon earned net income of $3.70B in fiscal 2025, a net margin of 21.5%.
Fiscal 2025 revenue was the highest in the 10 years shown.
Annual revenue
| Fiscal year | Revenue | Growth | Net income | Net margin | EPS (diluted) | Free cash flow |
|---|---|---|---|---|---|---|
| FY2025ended Dec 31, 2025 | $17.18B | +9.5% | $3.70B | 21.5% | $17.02 | $3.22B |
| FY2024ended Dec 31, 2024 | $15.70B | +17.4% | $2.65B | 16.9% | $12.49 | $2.82B |
| FY2023ended Dec 31, 2023 | $13.38B | +7.2% | $2.56B | 19.2% | $12.51 | $3.18B |
| FY2022ended Dec 31, 2022 | $12.48B | +2.4% | $2.59B | 20.8% | $12.14 | $3.02B |
| FY2021ended Dec 31, 2021 | $12.19B | +10.2% | $1.26B | 10.3% | $5.55 | $2.05B |
| FY2020ended Dec 31, 2020 | $11.07B | +0.5% | $1.97B | 17.8% | $8.45 | $2.64B |
| FY2019ended Dec 31, 2019 | $11.01B | +2.3% | $1.53B | 13.9% | $6.37 | $1.61B |
| FY2018ended Dec 31, 2018 | $10.77B | +7.7% | — | — | $4.59 | $1.45B |
| FY2017ended Dec 31, 2017 | $10.00B | +6.3% | — | — | $4.70 | $551.00M |
| FY2016ended Dec 31, 2016 | $9.41B | — | — | — | $5.16 | $2.17B |
| Quarter | Revenue | Net income | EPS (diluted) |
|---|---|---|---|
| Q2 FY2026ended Jun 30, 2026 | $4.25B | $551.00M | $2.58 |
| Q1 FY2026ended Mar 31, 2026 | $5.03B | $1.21B | $5.63 |
| Q4 FY2025ended Dec 31, 2025 | $4.30B | $1.69B | $7.82 |
| Q3 FY2025ended Sep 30, 2025 | $4.00B | $458.00M | $2.11 |
| Q2 FY2025ended Jun 30, 2025 | $4.16B | $579.00M | $2.66 |
| Q1 FY2025ended Mar 31, 2025 | $4.73B | $965.00M | $4.43 |
| Q4 FY2024ended Dec 31, 2024 | $4.15B | $716.00M | $3.11 |
| Q3 FY2024ended Sep 30, 2024 | $3.72B | $343.00M | $1.57 |
Company profile
- Name
- Aon plc
- Ticker
- AON
- Exchange
- NYSE
- Industry (SEC SIC)
- Insurance Agents, Brokers & Service
- Headquarters
- 15 Georges Quay, Dublin 2, L2 D02 VR98
- Incorporated in
- L2
- Fiscal year ends
- December
- SEC CIK
- 0000315293
Recent SEC filings
- Sep 22, 2026
- Sep 17, 2026
- Sep 11, 2026
- Aug 31, 2026
- Aug 17, 2026
- Jul 29, 2026
- Jul 29, 2026
- Jul 1, 2026
Frequently asked questions
What is Aon's stock price?
Aon (AON) closed at $769.75 on Oct 9, 2026, up 1.27% from the previous close of $760.11.
What is Aon's market cap?
Aon's market cap is $163.28B, based on a share price of $769.75 and 212.1M shares outstanding as of Jul 28, 2026.
How much revenue does Aon make?
Aon reported revenue of $17.18B for fiscal 2025, up 9.45% from fiscal 2024.
What is AON's P/E ratio?
Aon's price-to-earnings ratio is 42.4, based on trailing twelve-month diluted EPS of $18.14.
Does Aon pay a dividend?
Aon's recent filings report no dividends declared over the last four quarters.
Sources and methodology
Fundamentals come from Aon plc's filings with the SEC (EDGAR XBRL company facts). Fourth-quarter figures that companies don't report separately are calculated as the fiscal year minus the first three quarters. Trailing twelve-month (TTM) figures sum the latest four quarters. Prices are generated sample data for development. Last updated Oct 9, 2026. Data sources and disclosures