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Phillips 66 (PSX) Shares Outstanding (2016 - 2025)

Phillips 66's Shares Outstanding history spans 14 years, with the latest figure at $659.4 million for Q4 2025.

  • For Q4 2025, Shares Outstanding changed 0.37% year-over-year to $659.4 million; the TTM value through Dec 2025 reached $659.4 million, changed 0.37%, while the annual FY2025 figure was $659.4 million, 0.37% changed from the prior year.
  • Shares Outstanding reached $659.4 million in Q4 2025 per PSX's latest filing, roughly flat from $659.1 million in the prior quarter.
  • In the past five years, Shares Outstanding ranged from a high of $659.4 million in Q4 2025 to a low of $649.6 million in Q1 2021.
  • Average Shares Outstanding over 5 years is $654.2 million, with a median of $654.0 million recorded in 2023.
  • Peak YoY movement for Shares Outstanding: rose 0.18% in 2021, then grew 0.49% in 2024.
  • A 5-year view of Shares Outstanding shows it stood at $650.0 million in 2021, then grew by 0.36% to $652.4 million in 2022, then rose by 0.38% to $654.8 million in 2023, then grew by 0.33% to $657.0 million in 2024, then grew by 0.37% to $659.4 million in 2025.
  • Per Business Quant, the three most recent readings for PSX's Shares Outstanding are $659.4 million (Q4 2025), $659.1 million (Q3 2025), and $658.3 million (Q2 2025).