Aon plc (AON) - Dilution Analysis

Visualizing historical and potential share dilution over time

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Dilution Analysis

Low Risk

Limited dilution potential

Last updated: May 01, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares

Recent Dilution: 3.76% (2 years)

Historical Dilution Factor: minimal recent dilution

Outstanding Shares

210M

Potential Supply

Additional shares possible

Splits

None

Past 2 years

Summary

AON currently has 214M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 3.76% over the past 2 years.

Share Structure Timeline

Outstanding Shares

Total Supply

Historical Data Points

Date	Event	Outstanding
May 01, 2026	10-Q filing \| 214.3M shares outstanding	210M
Oct 31, 2025	10-Q filing \| 215.7M shares outstanding	220M
Jul 25, 2025	10-Q filing \| 216.2M shares outstanding	220M
Apr 25, 2025	10-Q filing \| 216.4M shares outstanding	220M
Feb 18, 2025	10-K filing \| 212.5M shares outstanding	210M
Oct 25, 2024	10-Q filing \| 217.4M shares outstanding	220M
Jul 26, 2024	10-Q filing \| 213.3M shares outstanding	210M
Apr 26, 2024	10-Q filing \| 200.1M shares outstanding	200M
Feb 16, 2024	10-K filing \| 203.5M shares outstanding	200M
Oct 27, 2023	10-Q filing \| 202.9M shares outstanding	200M
Jul 28, 2023	10-Q filing \| 204.7M shares outstanding	200M
Apr 28, 2023	10-Q filing \| 206.1M shares outstanding	210M
Feb 17, 2023	10-K filing \| 211.7M shares outstanding	210M
Oct 28, 2022	10-Q filing \| 210.9M shares outstanding	210M
Jul 29, 2022	10-Q filing \| 213.3M shares outstanding	210M
Apr 29, 2022	10-Q filing \| 215.3M shares outstanding	220M
Feb 18, 2022	10-K filing \| 224.7M shares outstanding	220M
Oct 29, 2021	10-Q filing \| 225.4M shares outstanding	230M
Jul 30, 2021	10-Q filing \| 227.0M shares outstanding	230M
Apr 30, 2021	10-Q filing \| 227.1M shares outstanding	230M
Feb 19, 2021	10-K filing \| 231.9M shares outstanding	230M
Oct 30, 2020	10-Q filing \| 232.6M shares outstanding	230M
Jul 31, 2020	10-Q filing \| 232.7M shares outstanding	230M
May 01, 2020	10-Q filing \| 233.2M shares outstanding	230M
Feb 14, 2020	10-K filing \| 238.6M shares outstanding	240M

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