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Phillips 66 (PSX) Shares Outstanding (Diluted Average) (2016 - 2026)

Phillips 66 filings provide 16 years of Shares Outstanding (Diluted Average) readings, the most recent being $403.3 million for Q1 2026.

  • On a quarterly basis, Shares Outstanding (Diluted Average) fell 1.76% to $403.3 million in Q1 2026 year-over-year; TTM through Mar 2026 was $403.3 million, a 1.76% decrease, with the full-year FY2025 number at $408.1 million, down 3.28% from a year prior.
  • Shares Outstanding (Diluted Average) hit $403.3 million in Q1 2026 for Phillips 66, down from $408.1 million in the prior quarter.
  • In the past five years, Shares Outstanding (Diluted Average) ranged from a high of $473.7 million in Q4 2022 to a low of $403.3 million in Q1 2026.
  • Median Shares Outstanding (Diluted Average) over the past 5 years was $431.9 million (2024), compared with a mean of $437.5 million.
  • Biggest five-year swings in Shares Outstanding (Diluted Average): increased 7.58% in 2022 and later dropped 8.4% in 2024.
  • Phillips 66's Shares Outstanding (Diluted Average) stood at $473.7 million in 2022, then decreased by 4.33% to $453.2 million in 2023, then dropped by 6.91% to $421.9 million in 2024, then dropped by 3.28% to $408.1 million in 2025, then fell by 1.17% to $403.3 million in 2026.
  • The last three reported values for Shares Outstanding (Diluted Average) were $403.3 million (Q1 2026), $408.1 million (Q4 2025), and $405.5 million (Q3 2025) per Business Quant data.