MasTec Shares Outstanding 2012-2026 | MTZ

MasTec shares outstanding history from 2012 to 2026. 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.
  • MasTec shares outstanding for the quarter ending June 30, 2026 were 0.079B, a 0.44% increase year-over-year.
  • MasTec 2025 shares outstanding were 0.079B, a 0.24% decline from 2024.
  • MasTec 2024 shares outstanding were 0.079B, a 1.73% increase from 2023.
  • MasTec 2023 shares outstanding were 0.078B, a 1.77% increase from 2022.
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MasTec Annual Shares Outstanding
(Millions of Shares)
2025 79
2024 79
2023 78
2022 76
2021 74
2020 74
2019 76
2018 80
2017 82
2016 81
2015 80
2014 86
2013 85
2012 82
2011 87
MasTec Quarterly Shares Outstanding
(Millions of Shares)
2026-06-30 79
2026-03-31 79
2025-12-31 79
2025-09-30 79
2025-06-30 79
2025-03-31 79
2024-12-31 79
2024-09-30 79
2024-06-30 79
2024-03-31 78
2023-12-31 78
2023-09-30 78
2023-06-30 78
2023-03-31 77
2022-12-31 76
2022-09-30 75
2022-06-30 76
2022-03-31 75
2021-12-31 74
2021-09-30 74
2021-06-30 74
2021-03-31 74
2020-12-31 74
2020-09-30 73
2020-06-30 73
2020-03-31 75
2019-12-31 76
2019-09-30 76
2019-06-30 76
2019-03-31 76
2018-12-31 80
2018-09-30 79
2018-06-30 80
2018-03-31 82
2017-12-31 82
2017-09-30 82
2017-06-30 82
2017-03-31 82
2016-12-31 81
2016-09-30 82
2016-06-30 81
2016-03-31 80
2015-12-31 80
2015-09-30 80
2015-06-30 80
2015-03-31 82
2014-12-31 86
2014-09-30 86
2014-06-30 87
2014-03-31 87
2013-12-31 85
2013-09-30 85
2013-06-30 85
2013-03-31 84
2012-12-31 82
2012-09-30 80
2012-06-30 82
2012-03-31 84
2011-12-31 87
2011-09-30 89
Sector Industry Market Cap Revenue
Construction Building - Heavy Construction $18.285B $14.299B
MasTec is a leading infrastructure construction company. It engages in the engineering, building, installation, maintenance & upgrade of energy, communication & utility and other infrastructure. Its Communications unit performs engineering, construction & maintenance of communications infrastructure mainly related to wireless & wireline communications & install-to-the-home. Oil & Gas unit performs engineering, construction & maintenance services on oil & natural gas pipelines & processing facilities for the energy & utilities industries. Electrical Transmission unit primarily serves the energy & utility industries through the engineering, construction & maintenance of electrical transmission lines & substations. Clean Energy & Infrastructure unit primarily serves the energy & utility end-markets & other end-markets through the installation & construction of conventional & renewable power plants, related electrical transmission infrastructure, ethanol facilities & various types of industrial infrastructure.
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