Growth Metrics

Aecom (ACM) Shares Outstanding (2016 - 2026)

Aecom has reported Shares Outstanding over the past 18 years, most recently at $128.2 million for Q1 2026.

  • For Q1 2026, Shares Outstanding fell 2.89% year-over-year to $128.2 million; the TTM value through Mar 2026 reached $128.2 million, down 2.89%, while the annual FY2025 figure was $131.8 million, 0.58% down from the prior year.
  • Shares Outstanding for Q1 2026 was $128.2 million at Aecom, down from $129.3 million in the prior quarter.
  • Over five years, Shares Outstanding peaked at $140.7 million in Q1 2022 and troughed at $128.2 million in Q1 2026.
  • A 5-year average of $135.2 million and a median of $135.9 million in 2024 define the central range for Shares Outstanding.
  • Biggest five-year swings in Shares Outstanding: fell 4.09% in 2022 and later fell 0.58% in 2025.
  • Year by year, Shares Outstanding stood at $139.0 million in 2022, then fell by 2.11% to $136.0 million in 2023, then dropped by 2.48% to $132.6 million in 2024, then decreased by 2.53% to $129.3 million in 2025, then dropped by 0.84% to $128.2 million in 2026.
  • Business Quant data shows Shares Outstanding for ACM at $128.2 million in Q1 2026, $129.3 million in Q4 2025, and $131.8 million in Q3 2025.