Weighted Average Number of Shares Outstanding, Diluted of AECOM from 31 Mar 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: shares
Description
The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
Summary
AECOM quarterly and annual Weighted Average Number of Shares Outstanding, Diluted in shares history and change rate from 31 Mar 2010 to 31 Dec 2025.
  • AECOM Weighted Average Number of Shares Outstanding, Diluted for the quarter ending 31 Dec 2025 was 131,982,000, a 1.2% decline year-over-year.
  • AECOM annual Weighted Average Number of Shares Outstanding, Diluted for 2025 was 133,311,000, a 2.3% decline from 2024.
  • AECOM annual Weighted Average Number of Shares Outstanding, Diluted for 2024 was 136,453,000, a 2.6% decline from 2023.
  • AECOM annual Weighted Average Number of Shares Outstanding, Diluted for 2023 was 140,109,000, a 1.8% decline from 2022.
Source SEC data
View on sec.gov
Weighted Average Number of Shares Outstanding, Diluted, Quarterly (shares)
Weighted Average Number of Shares Outstanding, Diluted, YoY Quarterly Change (%)
Weighted Average Number of Shares Outstanding, Diluted, Annual (shares)
Weighted Average Number of Shares Outstanding, Diluted, YoY Annual Change (%)

AECOM Quarterly Weighted Average Number of Shares Outstanding, Diluted (shares)

Period TTM Value Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
Q4 2025 131,982,000 -1,643,000 -1.2% 01 Oct 2025 31 Dec 2025 10-Q 10 Feb 2026 2026 Q1
Q3 2025 133,311,000 -3,142,000 -2.3% 01 Jul 2025 30 Sep 2025 10-K 19 Nov 2025 2025 FY
Q2 2025 133,078,000 -3,712,000 -2.7% 01 Apr 2025 30 Jun 2025 10-Q 05 Aug 2025 2025 Q3
Q1 2025 133,139,000 -3,573,000 -2.6% 01 Jan 2025 31 Mar 2025 10-Q 06 May 2025 2025 Q2
Q4 2024 133,625,000 -3,476,000 -2.5% 01 Oct 2024 31 Dec 2024 10-Q 10 Feb 2026 2026 Q1
Q3 2024 136,453,000 -3,656,000 -2.6% 01 Jul 2024 30 Sep 2024 10-K 19 Nov 2025 2025 FY
Q2 2024 136,790,000 -1,951,000 -1.4% 01 Apr 2024 30 Jun 2024 10-Q 05 Aug 2025 2025 Q3
Q1 2024 136,712,000 -3,623,000 -2.6% 01 Jan 2024 31 Mar 2024 10-Q 06 May 2025 2025 Q2
Q4 2023 137,101,000 -3,541,000 -2.5% 01 Oct 2023 31 Dec 2023 10-Q 04 Feb 2025 2025 Q1
Q3 2023 140,109,000 -1,191,000 -0.84% 01 Jul 2023 30 Sep 2023 10-K 19 Nov 2025 2025 FY
Q2 2023 138,741,000 -3,437,000 -2.4% 01 Apr 2023 30 Jun 2023 10-Q 06 Aug 2024 2024 Q3
Q1 2023 140,335,000 -2,291,000 -1.6% 01 Jan 2023 31 Mar 2023 10-Q 07 May 2024 2024 Q2
Q4 2022 140,642,000 -3,995,000 -2.8% 01 Oct 2022 31 Dec 2022 10-Q 07 Feb 2024 2024 Q1
Q3 2022 141,300,000 -5,300,000 -3.6% 01 Jul 2022 30 Sep 2022 10-K 17 Nov 2022 2022 FY
Q2 2022 142,178,000 -6,722,000 -4.5% 01 Apr 2022 30 Jun 2022 10-Q 09 Aug 2023 2023 Q3
Q1 2022 142,626,000 -6,874,000 -4.6% 01 Jan 2022 31 Mar 2022 10-Q 09 May 2023 2023 Q2
Q4 2021 144,637,000 -9,063,000 -5.9% 01 Oct 2021 31 Dec 2021 10-Q 07 Feb 2023 2023 Q1
Q3 2021 146,600,000 -13,400,000 -8.4% 01 Jul 2021 30 Sep 2021 10-K 17 Nov 2022 2022 FY
Q2 2021 148,900,000 -12,900,000 -8% 01 Apr 2021 30 Jun 2021 10-K 17 Nov 2022 2022 FY
Q1 2021 149,500,000 -11,200,000 -7% 01 Jan 2021 31 Mar 2021 10-K 17 Nov 2022 2022 FY
Q4 2020 153,700,000 -6,900,000 -4.3% 01 Oct 2020 31 Dec 2020 10-K 17 Nov 2022 2022 FY
Q3 2020 160,000,000 -900,000 -0.56% 01 Jul 2020 30 Sep 2020 10-K 17 Nov 2021 2021 FY
Q2 2020 161,800,000 +2,000,000 +1.3% 01 Apr 2020 30 Jun 2020 10-K 17 Nov 2021 2021 FY
Q1 2020 160,700,000 +2,300,000 +1.5% 01 Jan 2020 31 Mar 2020 10-K 17 Nov 2021 2021 FY
Q4 2019 160,600,000 +1,000,000 +0.63% 01 Oct 2019 31 Dec 2019 10-K 17 Nov 2021 2021 FY
Q3 2019 160,900,000 -900,000 -0.56% 01 Jul 2019 30 Sep 2019 10-K 19 Nov 2020 2020 FY
Q2 2019 159,800,000 -3,400,000 -2.1% 01 Apr 2019 30 Jun 2019 10-K 19 Nov 2020 2020 FY
Q1 2019 158,400,000 -1,100,000 -0.69% 01 Jan 2019 31 Mar 2019 10-K 19 Nov 2020 2020 FY
Q4 2018 159,600,000 -2,200,000 -1.4% 01 Oct 2018 31 Dec 2018 10-K 19 Nov 2020 2020 FY
Q3 2018 161,800,000 +700,000 +0.44% 01 Jul 2018 30 Sep 2018 10-K 13 Nov 2019 2019 FY
Q2 2018 163,200,000 +4,400,000 +2.8% 01 Apr 2018 30 Jun 2018 10-K 13 Nov 2019 2019 FY
Q1 2018 159,500,000 +800,000 +0.5% 01 Jan 2018 31 Mar 2018 10-K 13 Nov 2019 2019 FY
Q4 2017 161,800,000 +3,800,000 +2.4% 01 Oct 2017 31 Dec 2017 10-K 13 Nov 2019 2019 FY
Q3 2017 161,100,000 +3,200,000 +2% 01 Jul 2017 30 Sep 2017 10-K 13 Nov 2018 2018 FY
Q2 2017 158,800,000 +2,600,000 +1.7% 01 Apr 2017 30 Jun 2017 10-K 13 Nov 2018 2018 FY
Q1 2017 158,700,000 +3,300,000 +2.1% 01 Jan 2017 31 Mar 2017 10-K 13 Nov 2018 2018 FY
Q4 2016 158,000,000 +4,400,000 +2.9% 01 Oct 2016 31 Dec 2016 10-K 13 Nov 2018 2018 FY
Q3 2016 157,900,000 +2,700,000 +1.7% 01 Jul 2016 30 Sep 2016 10-K 14 Nov 2017 2017 FY
Q2 2016 156,200,000 +4,500,000 +3% 01 Apr 2016 30 Jun 2016 10-K 14 Nov 2017 2017 FY
Q1 2016 155,400,000 +2,600,000 +1.7% 01 Jan 2016 31 Mar 2016 10-K 14 Nov 2017 2017 FY
Q4 2015 153,600,000 +11,700,000 +8.2% 01 Oct 2015 31 Dec 2015 10-K 14 Nov 2017 2017 FY
Q3 2015 155,200,000 +55,500,000 +56% 01 Jul 2015 30 Sep 2015 10-K 16 Nov 2016 2016 FY
Q2 2015 151,700,000 +52,700,000 +53% 01 Apr 2015 30 Jun 2015 10-K 16 Nov 2016 2016 FY
Q1 2015 152,800,000 +54,500,000 +55% 01 Jan 2015 31 Mar 2015 10-K 16 Nov 2016 2016 FY
Q4 2014 141,900,000 +44,300,000 +45% 01 Oct 2014 31 Dec 2014 10-K 16 Nov 2016 2016 FY
Q3 2014 99,700,000 0 0% 01 Jul 2014 30 Sep 2014 10-K 25 Nov 2015 2015 FY
Q2 2014 99,000,000 -1,800,000 -1.8% 01 Apr 2014 30 Jun 2014 10-K 25 Nov 2015 2015 FY
Q1 2014 98,300,000 -3,500,000 -3.4% 01 Jan 2014 31 Mar 2014 10-K 25 Nov 2015 2015 FY
Q4 2013 97,600,000 -7,900,000 -7.5% 01 Oct 2013 31 Dec 2013 10-K 25 Nov 2015 2015 FY
Q3 2013 99,700,000 -10,300,000 -9.4% 01 Jul 2013 30 Sep 2013 8-K 06 Jul 2015
Q2 2013 100,800,000 -10,000,000 -9% 01 Apr 2013 30 Jun 2013 8-K 06 Jul 2015
Q1 2013 101,800,000 -12,500,000 -11% 01 Jan 2013 31 Mar 2013 8-K 06 Jul 2015
Q4 2012 105,500,000 -9,100,000 -7.9% 01 Oct 2012 31 Dec 2012 8-K 06 Jul 2015
Q3 2012 110,000,000 -7,100,000 -6.1% 01 Jul 2012 30 Sep 2012 10-K 13 Nov 2013 2013 FY
Q2 2012 110,800,000 -8,100,000 -6.8% 01 Apr 2012 30 Jun 2012 10-K 13 Nov 2013 2013 FY
Q1 2012 114,300,000 -4,000,000 -3.4% 01 Jan 2012 31 Mar 2012 10-K 13 Nov 2013 2013 FY
Q4 2011 114,600,000 -4,500,000 -3.8% 01 Oct 2011 31 Dec 2011 10-K 13 Nov 2013 2013 FY
Q3 2011 117,100,000 +400,000 +0.34% 01 Jul 2011 30 Sep 2011 10-K 19 Nov 2012 2012 FY
Q2 2011 118,900,000 +3,300,000 +2.9% 01 Apr 2011 30 Jun 2011 10-K 19 Nov 2012 2012 FY
Q1 2011 118,300,000 +3,300,000 +2.9% 01 Jan 2011 31 Mar 2011 10-K 19 Nov 2012 2012 FY
Q4 2010 119,100,000 01 Oct 2010 31 Dec 2010 10-K 19 Nov 2012 2012 FY
Q3 2010 116,700,000 01 Jul 2010 30 Sep 2010 10-K 21 Nov 2011 2011 FY
Q2 2010 115,600,000 01 Apr 2010 30 Jun 2010 10-K 21 Nov 2011 2011 FY
Q1 2010 115,000,000 01 Jan 2010 31 Mar 2010 10-K 21 Nov 2011 2011 FY

AECOM Annual Weighted Average Number of Shares Outstanding, Diluted (shares)

Period Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
2025 133,311,000 -3,142,000 -2.3% 01 Oct 2024 30 Sep 2025 10-K 19 Nov 2025 2025 FY
2024 136,453,000 -3,656,000 -2.6% 01 Oct 2023 30 Sep 2024 10-K 19 Nov 2025 2025 FY
2023 140,109,000 -2,587,000 -1.8% 01 Oct 2022 30 Sep 2023 10-K 19 Nov 2025 2025 FY
2022 142,696,000 -6,980,000 -4.7% 01 Oct 2021 30 Sep 2022 10-K 19 Nov 2024 2024 FY
2021 149,676,000 -11,616,000 -7.2% 01 Oct 2020 30 Sep 2021 10-K 15 Nov 2023 2023 FY
2020 161,292,000 +1,608,000 +1% 01 Oct 2019 30 Sep 2020 10-K 17 Nov 2022 2022 FY
2019 159,684,000 -2,577,000 -1.6% 01 Oct 2018 30 Sep 2019 10-K 17 Nov 2021 2021 FY
2018 162,261,000 +3,126,000 +2% 01 Oct 2017 30 Sep 2018 10-K 19 Nov 2020 2020 FY
2017 159,135,000 +3,062,000 +2% 01 Oct 2016 30 Sep 2017 10-K 13 Nov 2019 2019 FY
2016 156,073,000 +6,468,000 +4.3% 01 Oct 2015 30 Sep 2016 10-K 13 Nov 2018 2018 FY
2015 149,605,000 +50,948,000 +52% 01 Oct 2014 30 Sep 2015 10-K 14 Nov 2017 2017 FY
2014 98,657,000 -3,285,000 -3.2% 01 Oct 2013 30 Sep 2014 10-K 16 Nov 2016 2016 FY
2013 101,942,000 -9,933,000 -8.9% 01 Oct 2012 30 Sep 2013 10-K 25 Nov 2015 2015 FY
2012 111,875,000 -6,470,000 -5.5% 01 Oct 2011 30 Sep 2012 8-K 06 Jul 2015
2011 118,345,000 +2,882,000 +2.5% 01 Oct 2010 30 Sep 2011 10-K 13 Nov 2013 2013 FY
2010 115,463,000 01 Oct 2009 30 Sep 2010 10-K 19 Nov 2012 2012 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.