Growth Metrics

Aecom (ACM) Shares Outstanding (Diluted Average) (2023 - 2025)

Aecom has reported Shares Outstanding (Diluted Average) over the past 6 years, most recently at $132.0 million for Q4 2025.

  • Quarterly results put Shares Outstanding (Diluted Average) at $132.0 million for Q4 2025, down 1.2% from a year ago — trailing twelve months through Dec 2025 was $132.0 million (down 1.2% YoY), and the annual figure for FY2025 was $133.3 million, down 2.31%.
  • Shares Outstanding (Diluted Average) for Q4 2025 was $132.0 million at Aecom, down from $133.3 million in the prior quarter.
  • Over the last five years, Shares Outstanding (Diluted Average) for ACM hit a ceiling of $140.1 million in Q3 2023 and a floor of $132.0 million in Q4 2025.
  • Median Shares Outstanding (Diluted Average) over the past 3 years was $135.0 million (2024), compared with a mean of $135.3 million.
  • Peak annual rise in Shares Outstanding (Diluted Average) hit 1.2% in 2025, while the deepest fall reached 2.64% in 2025.
  • Aecom's Shares Outstanding (Diluted Average) stood at $137.1 million in 2023, then fell by 2.55% to $133.6 million in 2024, then fell by 1.2% to $132.0 million in 2025.
  • The last three reported values for Shares Outstanding (Diluted Average) were $132.0 million (Q4 2025), $133.3 million (Q3 2025), and $133.3 million (Q2 2025) per Business Quant data.