Growth Metrics

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

Historic Shares Outstanding (Diluted Average) for Aecom (ACM) over the last 6 years, with Q4 2025 value amounting to $132.0 million.

  • Aecom's Shares Outstanding (Diluted Average) fell 121.61% to $132.0 million in Q4 2025 from the same period last year, while for Dec 2025 it was $132.0 million, marking a year-over-year decrease of 121.61%. This contributed to the annual value of $133.3 million for FY2025, which is 233.63% down from last year.
  • Aecom's Shares Outstanding (Diluted Average) amounted to $132.0 million in Q4 2025, which was down 121.61% from $133.3 million recorded in Q3 2025.
  • In the past 5 years, Aecom's Shares Outstanding (Diluted Average) ranged from a high of $140.1 million in Q3 2023 and a low of $132.0 million during Q4 2025
  • In the last 3 years, Aecom's Shares Outstanding (Diluted Average) had a median value of $135.1 million in 2024 and averaged $135.3 million.
  • The largest annual percentage gain for Aecom's Shares Outstanding (Diluted Average) in the last 5 years was 121.61% (2025), contrasted with its biggest fall of 262.97% (2025).
  • Over the past 3 years, Aecom's Shares Outstanding (Diluted Average) (Quarter) stood at $137.1 million in 2023, then fell by 2.54% to $133.6 million in 2024, then fell by 1.22% to $132.0 million in 2025.
  • Its last three reported values are $132.0 million in Q4 2025, $133.3 million for Q3 2025, and $133.3 million during Q2 2025.