AECOM (ACM) - Dilution Analysis

Visualizing historical and potential share dilution over time

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Dilution Analysis

Low Risk

Limited dilution potential

Last updated: May 12, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares

Recent Dilution: 0% (2 years)

Historical Dilution Factor: minimal recent dilution

Outstanding Shares

130M

Potential Supply

Additional shares possible

Splits

None

Past 2 years

Summary

ACM currently has 129M outstanding shares. with minimal authorized share overhang for future dilution. The company has not diluted shareholders through share issuances in the past 2 years, which is positive for existing holders.

Share Structure Timeline

Outstanding Shares

Total Supply

Historical Data Points

Date	Event	Outstanding
May 12, 2026	10-Q filing \| 128.7M shares outstanding	130M
Aug 05, 2025	10-Q filing \| 132.3M shares outstanding	130M
May 06, 2025	10-Q filing \| 132.4M shares outstanding	130M
Feb 04, 2025	10-Q filing \| 132.5M shares outstanding	130M
Nov 19, 2024	10-K filing \| 135.5M shares outstanding	140M
Aug 06, 2024	10-Q filing \| 136.0M shares outstanding	140M
May 07, 2024	10-Q filing \| 136.0M shares outstanding	140M
Feb 07, 2024	10-Q filing \| 135.9M shares outstanding	140M
Nov 15, 2023	10-K filing \| 138.6M shares outstanding	140M
Aug 09, 2023	10-Q filing \| 138.7M shares outstanding	140M
May 09, 2023	10-Q filing \| 138.9M shares outstanding	140M
Feb 07, 2023	10-Q filing \| 138.7M shares outstanding	140M
Nov 17, 2022	10-K filing \| 140.8M shares outstanding	140M
Aug 10, 2022	10-Q filing \| 140.6M shares outstanding	140M
May 11, 2022	10-Q filing \| 141.1M shares outstanding	140M
Feb 09, 2022	10-Q filing \| 141.8M shares outstanding	140M
Nov 17, 2021	10-K filing \| 149.7M shares outstanding	150M
Aug 11, 2021	10-Q filing \| 148.9M shares outstanding	150M
May 12, 2021	10-Q filing \| 149.5M shares outstanding	150M
Feb 10, 2021	10-Q filing \| 151.4M shares outstanding	150M
Nov 19, 2020	10-K filing \| 159.0M shares outstanding	160M
Aug 05, 2020	10-Q filing \| 160.1M shares outstanding	160M
May 06, 2020	10-Q filing \| 158.6M shares outstanding	160M
Feb 05, 2020	10-Q filing \| 157.3M shares outstanding	160M

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