Phillips 66 Shares Outstanding 2012-2026 | PSX

Phillips 66 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.
  • Phillips 66 shares outstanding for the quarter ending March 31, 2026 were 0.403B, a 1.76% decline year-over-year.
  • Phillips 66 2025 shares outstanding were 0.408B, a 3.28% decline from 2024.
  • Phillips 66 2024 shares outstanding were 0.422B, a 6.91% decline from 2023.
  • Phillips 66 2023 shares outstanding were 0.453B, a 4.33% decline from 2022.
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Phillips 66 Annual Shares Outstanding
(Millions of Shares)
2025 408
2024 422
2023 453
2022 474
2021 440
2020 440
2019 454
2018 474
2017 519
2016 530
2015 547
2014 572
2013 619
2012 637
2011 635
Phillips 66 Quarterly Shares Outstanding
(Millions of Shares)
2026-03-31 403
2025-12-31 408
2025-09-30 406
2025-06-30 408
2025-03-31 411
2024-12-31 422
2024-09-30 419
2024-06-30 426
2024-03-31 432
2023-12-31 453
2023-09-30 447
2023-06-30 456
2023-03-31 467
2022-12-31 474
2022-09-30 483
2022-06-30 485
2022-03-31 450
2021-12-31 440
2021-09-30 440
2021-06-30 440
2021-03-31 440
2020-12-31 440
2020-09-30 439
2020-06-30 439
2020-03-31 441
2019-12-31 454
2019-09-30 451
2019-06-30 456
2019-03-31 459
2018-12-31 474
2018-09-30 469
2018-06-30 472
2018-03-31 490
2017-12-31 519
2017-09-30 516
2017-06-30 520
2017-03-31 525
2016-12-31 530
2016-09-30 529
2016-06-30 531
2016-03-31 535
2015-12-31 547
2015-09-30 545
2015-06-30 549
2015-03-31 552
2014-12-31 572
2014-09-30 565
2014-06-30 571
2014-03-31 590
2013-12-31 619
2013-09-30 615
2013-06-30 625
2013-03-31 631
2012-12-31 637
2012-09-30 638
2012-06-30 635
2012-03-31 635
2011-12-31 635
2011-09-30 635
2011-06-30 635
Sector Industry Market Cap Revenue
Oils/Energy Oil Refining & Marketing $63.818B $136.560B
Phillips 66's operations incorporate refining, midstream, marketing and specialties, and chemicals. The company's operations include processing, transportation, storing and marketing fuels and products all over the world. The company operates through the four business segments, namely, Midstream, Chemicals, Refining, and Marketing and Specialties. Midstream gathers, processes, transports and markets natural gas; and transports, fractionates and markets NGL in the United States. In addition, this segment transports crude oil and other feedstocks to its refineries and other locations, and delivers refined and specialty products to the market. Chemicals manufacture and markets petrochemicals and plastics on a worldwide basis. Refining buys, sells and refines crude oil and other feedstocks at its refineries. Marketing and Specialties purchases for resale and markets refined products. In addition, this segment includes the manufacturing and marketing of specialty products.
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