SuperworthAecom shares outstanding ACM
Diluted shares outstanding, averaged over each quarter, from 2009.
- Latest quarter, to Jun 30, 2026
- 128.6M
- On a year earlier
- −3.4%
- fewer shares
Aecom had 128.6M diluted shares outstanding on average in Q3 FY26, the quarter to Jun 30, 2026.
That is 3.4% 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 | 133.4M | −1% |
| FY2024 | 135.2M | −3% |
| FY2023 | 139.4M | −1% |
| FY2022 | 141.3M | −4% |
| FY2021 | 146.6M | −8% |
| FY2020 | 160M | −1% |
| FY2019 | 160.9M | −1% |
| FY2018 | 161.8M | +0% |
| FY2017 | 161.1M | +2% |
| FY2016 | 157.9M | +2% |
| FY2015 | 155.2M | +56% |
| FY2014 | 99.7M | +0% |
| FY2013 | 99.7M | −9% |
| FY2012 | 110M | −6% |
| FY2011 | 117.1M | +0% |
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 |
|---|---|---|---|
| Q3 FY26 | 128.6M | −3% | |
| Q2 FY26 | 129.2M | −3% | |
| Q1 FY26 | 132M | −1% | |
| Q4 FY25 | 133.4M | −1% | |
| Q3 FY25 | 133.1M | −3% | |
| Q2 FY25 | 133.1M | −3% | |
| Q1 FY25 | 133.6M | −3% | |
| Q4 FY24 | 135.2M | −3% | |
| Q3 FY24 | 136.8M | −1% | |
| Q2 FY24 | 136.7M | −3% | |
| Q1 FY24 | 137.1M | −3% | |
| Q4 FY23 | 139.4M | −1% |
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 Aecom
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.