TickerFacts.

MASTEC INC (MTZ) — Weighted Average Diluted Shares

Annual figures by period end, from SEC filings.

2009-12-31: 81.76M2010-12-31: 90.89M2011-12-31: 86.72M2012-12-31: 82.08M2013-12-31: 84.90M2014-12-31: 86.20M2015-12-31: 80.49M2016-12-31: 81.39M2017-12-31: 82.33M2018-12-31: 79.77M2019-12-31: 75.85M2020-12-31: 73.72M2021-12-31: 73.94M2022-12-31: 76.19M2023-12-31: 77.53M2024-12-31: 78.88M2025-12-31: 78.69M78.69M
2009-12-31Weighted Average Diluted Shares (shares)2025-12-31
Period endedWeighted Average Diluted SharesChange YoYSource filing
2025-12-3178.69M-0.2%2026-02-26From 2025-01-01
2024-12-3178.88M+1.7%2026-02-26From 2024-01-01
2023-12-3177.53M+1.8%2026-02-26From 2023-01-01
2022-12-3176.19M+3.0%2025-02-28From 2022-01-01
2021-12-3173.94M+0.3%2024-03-01From 2021-01-01
2020-12-3173.72M-2.8%2023-03-16From 2020-01-01
2019-12-3175.85M-4.9%2022-03-01From 2019-01-01
2018-12-3179.77M-3.1%2021-02-25From 2018-01-01
2017-12-3182.33M+1.1%2020-02-27From 2017-01-01
2016-12-3181.39M+1.1%2019-02-28From 2016-01-01
2015-12-3180.49M-6.6%2018-02-27From 2015-01-01
2014-12-3186.20M+1.5%2017-02-24From 2014-01-01
2013-12-3184.90M+3.4%2016-02-26From 2013-01-01
2012-12-3182.08M-5.3%2015-07-31From 2012-01-01
2011-12-3186.72M-4.6%2014-02-27From 2011-01-01
2010-12-3190.89M+11.2%2013-02-28From 2010-01-01
2009-12-3181.76M—2012-02-29From 2009-01-01