Aon plc
AON Financial Insurance Brokers
Aon plc’s revenue for fiscal 2025 (year ended December 2025) was $17.2 billion, up 9.45% from fiscal 2024. In the quarter to June 2026, revenue grew 2.19%, EPS fell 3.73%, free cash flow fell 34.0% and total debt fell 13.4%, each against the same quarter a year earlier. Member of the S&P 500; dividend growth for ten consecutive years, revenue growth for five; insiders bought in the last twelve months.
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Aon plc (AON) Shares outstanding
Aon plc's shares outstanding at the end of fiscal 2025 was $217.1M, unchanged from fiscal 2024. At the end of the quarter to 30 June 2026 it was $213.9M. Over the past ten years it has ranged from $205.0M (fiscal 2023) to $283.8M (fiscal 2015); the current reading is higher than 36% of that period. Aon plc ranks 5th of 21 Insurance Brokers companies by shares outstanding.
Shares outstanding, annual
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Annual newest first
| Period | Shares outstanding | Change |
|---|---|---|
| FY2025 | $217.1M | 2.16% |
| FY2024 | $212.5M | 3.66% |
| FY2023 | $205.0M | (3.85%) |
| FY2022 | $213.2M | (5.71%) |
| FY2021 | $226.1M | (3.00%) |
| FY2020 | $233.1M | (3.12%) |
| FY2019 | $240.6M | (2.59%) |
| FY2018 | $247.0M | (5.26%) |
| FY2017 | $260.7M | (3.55%) |
| FY2016 | $270.3M | (4.76%) |
Quarterly newest first
| Period | Shares outstanding | Change |
|---|---|---|
| Jun 2026 | $213.9M | (0.70%) |
| Mar 2026 | $215.4M | (0.78%) |
| Dec 2025 | $217.1M | 0.18% |
| Sep 2025 | $216.7M | (0.28%) |
| 42 more quarters | Free account |
Against its own ten years
Shares outstanding against peers
| Company | Shares outstanding |
|---|---|
| MRSH Marsh compare | $479.0M |
| BRO Brown & Brown, Inc. compare | $334.0M |
| AJG Arthur J. Gallagher & Co. compare | $258.7M |
| ARX Accelerant Holdings compare | $219.7M |
| AON Aon plc | $213.9M |
| WTW Willis Towers Watson Public Limited Company compare | $94.0M |
| BWIN Baldwin Insurance Group, Inc. compare | $92.8M |
| ERIE Erie Indemnity Company compare | $52.3M |
| CRVL CorVel Corp. compare | $50.9M |
What Shares outstanding is
Shares (Diluted, Weighted) tells an investor how many shares a company’s earnings are spread across once potential new shares are counted.
Reported line item
More on AON
- Revenue
- Net income
- EPS (diluted)
- EBITDA
- Free cash flow
- Operating cash flow
- Gross margin
- Operating margin
- Net margin
- Free cash flow margin
- P/E ratio
- P/S ratio
- P/B ratio
- Price to free cash flow
- Return on equity
- Return on assets
- Return on invested capital
- Debt to equity
- Current ratio
- Total debt
- Book value per share
- Revenue growth
- Piotroski F-score
- The full statement