Aecom (ACM) Shares Outstanding (Diluted Average) (2009 - 2026)

Aecom (ACM) recorded quarterly Shares Outstanding (Diluted Average) of $130.6 million in Q1 2026, down 1.06% quarter-over-quarter from $132.0 million in Q4 2025, and down 1.91% on a YoY basis from $133.1 million in Q1 2025.

Aecom (ACM) Shares Outstanding (Diluted Average) (2009 - 2026) Analysis & Trends

Aecom's Shares Outstanding (Diluted Average) history runs 7 years deep, the most recent figure standing at $130.6 million for Q1 2026.

  • In Q1 2026, Shares Outstanding (Diluted Average) fell 1.91% year-over-year to $130.6 million; the TTM figure through Mar 2026 stood at $130.6 million (down 1.91% YoY), while the FY2025 annual figure was $133.3 million, down 2.31% from the prior year.
  • Shares Outstanding (Diluted Average) was $130.6 million for Q1 2026 at Aecom, down from $132.0 million in the prior quarter.
  • In the past five years, Shares Outstanding (Diluted Average) ranged from a high of $140.1 million in Q3 2023 to a low of $130.6 million in Q1 2026.
  • Historically, Shares Outstanding (Diluted Average) has averaged $134.8 million across 4 years, with a median of $133.6 million in 2024.
  • Biggest YoY gain for Shares Outstanding (Diluted Average) was 1.22% in 2025; the steepest drop was 2.7% in 2025.
  • A 4-year view of Shares Outstanding (Diluted Average) shows it stood at $137.1 million in 2023, then fell by 2.54% to $133.6 million in 2024, then declined by 1.22% to $132.0 million in 2025, then decreased by 1.06% to $130.6 million in 2026.
  • The last three Shares Outstanding (Diluted Average) figures came in at $130.6 million (Q1 2026), $132.0 million (Q4 2025), and $133.3 million (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares (Diluted Avg.) (Qtr)
1 Quanta Services 103.56 Bn 103.29 Bn 1.11 Bn 152.09 Mn
2 Comfort Systems Usa 64.33 Bn 63.28 Bn 754.41 Mn -
3 Emcor 36.81 Bn 35.90 Bn 863.95 Mn -
4 Mastec 27.54 Bn 27.38 Bn 477.90 Mn 78.78 Mn
5 Sterling Infrastructure 25.78 Bn 25.28 Bn 194.30 Mn 31.04 Mn
6 APi 18.83 Bn 18.18 Bn 620.00 Mn 435.08 Mn
7 Jacobs Solutions 14.81 Bn 13.43 Bn 794.89 Mn -
8 IES Holdings 14.35 Bn 14.09 Bn 254.79 Mn 20.18 Mn
9 Dycom Industries 13.61 Bn 12.90 Bn - -
10 Aecom 9.19 Bn 8.36 Bn 296.50 Mn 130.60 Mn

Historic Data

Download Data
DateValue
Mar 31, 2026 130.60 Mn
Dec 31, 2025 132.00 Mn
Sep 30, 2025 133.30 Mn
Jun 30, 2025 133.10 Mn
Mar 31, 2025 133.14 Mn
Dec 31, 2024 133.63 Mn
Sep 30, 2024 136.45 Mn
Jun 30, 2024 136.80 Mn
Mar 31, 2024 136.71 Mn
Dec 31, 2023 137.10 Mn
Sep 30, 2023 140.10 Mn
Mar 31, 2011 118.28 Mn
Dec 31, 2010 119.12 Mn
Sep 30, 2010 115.46 Mn
Jun 30, 2010 115.05 Mn
Mar 31, 2010 114.77 Mn
Dec 31, 2009 114.50 Mn
Sep 30, 2009 109.71 Mn
Jun 30, 2009 111.52 Mn