Tenaris S.A Shares Outstanding 2012-2026 | TS

Tenaris S.A 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.
  • Tenaris S.A shares outstanding for the quarter ending March 31, 2026 were 0.505B, a 6.3% decline year-over-year.
  • Tenaris S.A 2025 shares outstanding were 0.528B, a 6.32% decline from 2024.
  • Tenaris S.A 2024 shares outstanding were 0.564B, a 4.36% decline from 2023.
  • Tenaris S.A 2023 shares outstanding were 0.589B, a 0.14% decline from 2022.
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Tenaris S.A Annual Shares Outstanding
(Millions of Shares)
2025 528
2024 564
2023 589
2022 590
2021 590
2020 590
2019 590
2018 590
2017 590
2016 590
2015 590
2014 590
2013 590
2012 590
2011 589
Tenaris S.A Quarterly Shares Outstanding
(Millions of Shares)
2026-03-31 505
2025-12-31 528
2025-09-30 524
2025-06-30 537
2025-03-31 539
2024-12-31 564
2024-09-30 553
2024-06-30 568
2024-03-31 580
2023-12-31 589
2023-09-30 590
2023-06-30 591
2023-03-31 590
2022-12-31 590
2022-09-30 590
2022-06-30 590
2022-03-31 590
2021-12-31 590
2021-09-30 589
2021-06-30 588
2021-03-31 590
2020-12-31 590
2020-09-30 590
2020-06-30 590
2020-03-31 590
2019-12-31 590
2019-09-30 590
2019-06-30 590
2019-03-31 592
2018-12-31 590
2018-09-30 590
2018-06-30 590
2018-03-31 590
2017-12-31 590
2017-09-30 590
2017-06-30 590
2017-03-31 586
2016-12-31 590
2016-09-30 590
2016-06-30 590
2016-03-31 605
2015-12-31 583
2015-09-30 590
2015-06-30 590
2015-03-31 590
2014-12-31 592
2014-09-30 588
2014-06-30 591
2014-03-31 587
2013-12-31 592
2013-09-30 589
2013-06-30 588
2013-03-31 590
2012-12-31 586
2012-09-30 590
2012-06-30 591
2012-03-31 592
2011-12-31 588
2011-09-30 665
2011-06-30 586
Sector Industry Market Cap Revenue
Industrial Products Steel - Pipe & Tubes $32.101B $11.981B
Tenaris Sa, a corporation organized in Luxembourg, is a leading manufacturer and supplier of seamless steel pipe products and associated services to the oil and gas, energy and other industries. Tenaris's operating subsidiaries include eight established steel pipe manufacturers: AlgomaTubes, Confab, Dalmine, NKKTubes, Siat, Siderca, Tamsa and Tavsa.
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