Aecom (ACM) Shares Outstanding (Diluted) (2009 - 2026)
Aecom (ACM) posted Shares Outstanding (Diluted) of 128.6 million for fiscal Q3 2026 (quarter ended Jun 30, 2026), down 3.4% from 133.1 million a year earlier and down 0.5% from the prior quarter.
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Analysis
Aecom (ACM) Shares Outstanding (Diluted) (2009 - 2026) Analysis & Trends
For FY2025 (ended Sep 30, 2025), Aecom's Shares Outstanding (Diluted) came in at 133.31 million, down 2.3% from FY2024.
- Annual Shares Outstanding (Diluted) has declined for five consecutive fiscal years, with a five-year compound annual growth rate of -3.7% (FY2020 to FY2025).
- In prior fiscal years, Aecom's Shares Outstanding (Diluted) was 136.5 million in FY2024 (-2.6%), 140.11 million in FY2023 (-1.8%), 142.7 million in FY2022 (-4.7%) and 149.7 million in FY2021 (-7.2%).
- The fiscal Q3 2026 figure stands as the lowest quarterly Shares Outstanding (Diluted) since fiscal Q4 2014.
- On a year-over-year basis, Shares Outstanding (Diluted) has declined in each of the last 23 quarters, with an average decline of 2.5% over the last eight quarters.
- Across the past five years, year-over-year decline in Shares Outstanding (Diluted) ran from 1.2% in fiscal Q1 2026 to 7.2% in fiscal Q4 2021.
- According to Business Quant data, Shares Outstanding (Diluted) for the three prior fiscal quarters was 129.24 million (Q2 2026), 132 million (Q1 2026) and 133.31 million (Q4 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Quanta Services | 96.54 Bn | 94.73 Bn | 1.55 Bn | 152.44 Mn |
| 2 | Ferrovial | 38.99 Bn | 19.58 Bn | - | 718.72 Mn |
| 3 | Emcor | 33.36 Bn | 29.75 Bn | 1.02 Bn | 44.55 Mn |
| 4 | Mastec | 17.15 Bn | 16.06 Bn | 556.28 Mn | 78.87 Mn |
| 5 | Jacobs Solutions | 15.84 Bn | 10.49 Bn | 810.70 Mn | 118.90 Mn |
| 6 | Sterling Infrastructure | 15.09 Bn | 13.45 Bn | 289.96 Mn | 31.14 Mn |
| 7 | IES Holdings | 12.79 Bn | 11.66 Bn | 340.66 Mn | 40.40 Mn |
| 8 | Dycom Industries | 8.06 Bn | 7.19 Bn | - | 29.33 Mn |
| 9 | Stantec | 7.69 Bn | 7.69 Bn | - | 114.07 Mn |
| 10 | Aecom | 7.59 Bn | 2.91 Bn | -34.04 Mn | 128.60 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 128.60 Mn |
| Mar 31, 2026 | 129.24 Mn |
| Dec 31, 2025 | 132.00 Mn |
| Sep 30, 2025 | 133.31 Mn |
| Jun 30, 2025 | 133.10 Mn |
| Mar 31, 2025 | 133.14 Mn |
| Dec 31, 2024 | 133.63 Mn |
| Sep 30, 2024 | 136.50 Mn |
| Jun 30, 2024 | 136.80 Mn |
| Mar 31, 2024 | 136.71 Mn |
| Dec 31, 2023 | 137.10 Mn |
| Sep 30, 2023 | 140.11 Mn |
| Jun 30, 2023 | 138.74 Mn |
| Mar 31, 2023 | 140.34 Mn |
| Dec 31, 2022 | 140.64 Mn |
| Sep 30, 2022 | 142.70 Mn |
| Jun 30, 2022 | 142.20 Mn |
| Mar 31, 2022 | 142.63 Mn |
| Dec 31, 2021 | 144.64 Mn |
| Sep 30, 2021 | 149.70 Mn |
API Access
Aecom Shares Outstanding (Diluted) API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=ACM&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "ACM", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=ACM&period=max&api_key=YOUR_API_KEY");
const data = await res.json();