AECOM Shares Outstanding 2012-2025 | ACM

AECOM shares outstanding history from 2012 to 2025. Shares outstanding can be defined as the number of shares held by shareholders (including insiders) assuming conversion of all convertible debt, securities, warrants and options. This metric excludes the company's treasury shares.
  • AECOM shares outstanding for the quarter ending December 31, 2025 were 0.132B, a 1.23% decline year-over-year.
  • AECOM 2025 shares outstanding were 0.133B, a 2.3% decline from 2024.
  • AECOM 2024 shares outstanding were 0.136B, a 2.61% decline from 2023.
  • AECOM 2023 shares outstanding were 0.14B, a 1.81% decline from 2022.
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AECOM Annual Shares Outstanding
(Millions of Shares)
2025 133
2024 136
2023 140
2022 143
2021 150
2020 161
2019 160
2018 162
2017 159
2016 156
2015 150
2014 99
2013 102
2012 112
2011 118
AECOM Quarterly Shares Outstanding
(Millions of Shares)
2025-12-31 132
2025-09-30 133
2025-06-30 133
2025-03-31 133
2024-12-31 134
2024-09-30 136
2024-06-30 137
2024-03-31 137
2023-12-31 137
2023-09-30 140
2023-06-30 139
2023-03-31 140
2022-12-31 141
2022-09-30 143
2022-06-30 142
2022-03-31 143
2021-12-31 145
2021-09-30 150
2021-06-30 149
2021-03-31 150
2020-12-31 154
2020-09-30 161
2020-06-30 162
2020-03-31 161
2019-12-31 161
2019-09-30 160
2019-06-30 160
2019-03-31 158
2018-12-31 160
2018-09-30 162
2018-06-30 163
2018-03-31 159
2017-12-31 162
2017-09-30 159
2017-06-30 159
2017-03-31 159
2016-12-31 158
2016-09-30 156
2016-06-30 156
2016-03-31 155
2015-12-31 154
2015-09-30 150
2015-06-30 152
2015-03-31 153
2014-12-31 142
2014-09-30 99
2014-06-30 99
2014-03-31 98
2013-12-31 98
2013-09-30 102
2013-06-30 101
2013-03-31 100
2012-12-31 106
2012-09-30 112
2012-06-30 111
2012-03-31 114
2011-12-31 115
2011-09-30 118
2011-06-30 119
Sector Industry Market Cap Revenue
Construction Engineering - Research & Development Services $10.807B $16.140B
Aecom is a leading solutions provider for supporting professional, technical and management solutions for diverse industries across end markets like transportation, facilities, government as well as those in environmental, energy and water businesses. It specializes in providing integrated services for planning, construction and maintenance of infrastructures that includes consulting, architecture, engineering as well as managing the requirements for energy, water and environment to various private and public clients. It mainly focuses on providing fee-based services and is driven by knowledge-based services. It has 3 operating segments: Americas, International and AECOM Capital (ACAP). Americas serves commercial and government clients in major end markets of the U.S., Canada & Latin America. International unit focuses on commercial and government clients in major markets of Europe, the Middle East, Africa, India and the Asia-Pacific regions. ACAP includes investments primarily in real estate projects.
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