Aon shares outstanding AON
Diluted shares outstanding, averaged over each quarter, from 2008.
- Latest quarter, to Jun 30, 2026
- 213.9M
- On a year earlier
- −1.6%
- fewer shares
Aon had 213.9M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 30, 2026.
That is 1.6% fewer than a year earlier, so each share owns a little more of the company.
Shares outstanding over time
Fiscal year by fiscal year
| Fiscal year | Shares, fourth quarter | Change |
|---|---|---|
| FY2025 | 216.5M | −1% |
| FY2024 | 218.2M | +8% |
| FY2023 | 202M | −3% |
| FY2022 | 209M | −6% |
| FY2021 | 221.4M | −4% |
| FY2020 | 230.7M | −3% |
| FY2019 | 236.7M | −3% |
| FY2018 | 244.9M | −3% |
| FY2017 | 251.4M | −6% |
| FY2016 | 268.2M | −3% |
| FY2015 | 277.6M | −5% |
| FY2014 | 293.7M | −6% |
| FY2013 | 311.5M | −5% |
| FY2012 | 327.2M | −3% |
| FY2011 | 338.2M | −2% |
Each fiscal year is the twelve months to its fourth quarter, shown as the fourth quarter's average share count.
Quarter by quarter
| Quarter | Ended | Shares outstanding | On a year earlier |
|---|---|---|---|
| Q2 FY26 | 213.9M | −2% | |
| Q1 FY26 | 215.4M | −1% | |
| Q4 FY25 | 216.5M | −1% | |
| Q3 FY25 | 216.7M | −1% | |
| Q2 FY25 | 217.3M | +2% | |
| Q1 FY25 | 217.9M | +9% | |
| Q4 FY24 | 218.2M | +8% | |
| Q3 FY24 | 218.4M | +7% | |
| Q2 FY24 | 213.3M | +3% | |
| Q1 FY24 | 200.1M | −3% | |
| Q4 FY23 | 202M | −3% | |
| Q3 FY23 | 204.6M | −4% |
What the shares outstanding tells you
Diluted shares outstanding, averaged over the period. Fewer shares means each one owns more of the company.
A falling count usually means buybacks. A rising one means stock pay, acquisitions paid in shares or new shares sold.
More on Aon
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.