Marathon Petroleum Shares Outstanding 2012-2026 | MPC

Marathon Petroleum 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.
  • Marathon Petroleum shares outstanding for the quarter ending March 31, 2026 were 295M, a 5.75% decline year-over-year.
  • Marathon Petroleum 2025 shares outstanding were 0.306B, a 10.26% decline from 2024.
  • Marathon Petroleum 2024 shares outstanding were 0.341B, a 16.63% decline from 2023.
  • Marathon Petroleum 2023 shares outstanding were 0.409B, a 20.74% decline from 2022.
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Marathon Petroleum Annual Shares Outstanding
(Millions of Shares)
2025 306
2024 341
2023 409
2022 516
2021 638
2020 649
2019 664
2018 526
2017 512
2016 530
2015 542
2014 574
2013 634
2012 684
2011 714
Marathon Petroleum Quarterly Shares Outstanding
(Millions of Shares)
2026-03-31 295
2025-12-31 300
2025-09-30 304
2025-06-30 307
2025-03-31 313
2024-12-31 341
2024-09-30 332
2024-06-30 350
2024-03-31 362
2023-12-31 409
2023-09-30 396
2023-06-30 419
2023-03-31 447
2022-12-31 516
2022-09-30 494
2022-06-30 536
2022-03-31 568
2021-12-31 638
2021-09-30 637
2021-06-30 654
2021-03-31 651
2020-12-31 649
2020-09-30 650
2020-06-30 650
2020-03-31 648
2019-12-31 664
2019-09-30 660
2019-06-30 666
2019-03-31 673
2018-12-31 526
2018-09-30 456
2018-06-30 464
2018-03-31 480
2017-12-31 512
2017-09-30 508
2017-06-30 517
2017-03-31 530
2016-12-31 530
2016-09-30 530
2016-06-30 531
2016-03-31 531
2015-12-31 542
2015-09-30 538
2015-06-30 544
2015-03-31 549
2014-12-31 574
2014-09-30 569
2014-06-30 578
2014-03-31 590
2013-12-31 634
2013-09-30 622
2013-06-30 648
2013-03-31 666
2012-12-31 684
2012-09-30 680
2012-06-30 682
2012-03-31 700
2011-12-31 714
2011-09-30 714
2011-06-30 716
Sector Industry Market Cap Revenue
Oils/Energy Oil Refining & Marketing $65.561B $135.222B
Marathon Petroleum Corporation is a leading independent refiner, transporter and marketer of petroleum products. The company came into existence following the spin-off of Marathon Oil Corporation's refining/sales business into a separate, independent and publicly-traded entity.? Marathon Oil completed the acquisition of its rival Andeavor. Marathon Petroleum operates in two segments: Refining and Marketing and Pipeline Transportation. Refining and Marketing: The unit's operations refineries, located in the various regions of the United States. Marathon Petroleum through its marketing organization sells transportation fuels, asphalt and specialty products throughout the country to support commercial, industrial and retail operations. Midstream: This unit mainly reflects Marathon Petroleum's general partner and majority limited partner interests in MPLX LP and Andeavor Logistics LP that own and operate gathering and processing assets along with crude transportation and logistics infrastructure.
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