Latest period
403M
YoY change
-3.3%
5Y CAGR
-1.5%
Peak year (FY2009)
640M
Latest annual
408M
Shares Outstanding history chart for Phillips 66 (PSX) from 2016 to 2025
Latest: 408M
Shares Outstanding growth chart for Phillips 66 (PSX) from 2016 to 2025
Latest: -3.3%
Shares Outstanding history table for Phillips 66 (PSX) from 2009 to 2025
| FY2025 | 408M | -3.3% | -13.8M | ||
| FY2024 | 422M | -6.9% | -31.3M | ||
| FY2023 | 453M | -4.3% | -20.5M | ||
| FY2022 | 474M | +7.6% | +33.4M | ||
| FY2021 | 440M | +0.2% | +834K | ||
| FY2020 | 440M | -3.2% | -14.4M | ||
| FY2019 | 454M | -4.3% | -20.2M | ||
| FY2018 | 474M | -8.6% | -44.5M | ||
| FY2017 | 519M | -2.2% | -11.6M | ||
| FY2016 | 530M | -3.1% | -16.9M | ||
| FY2015 | 547M | -4.3% | -24.5M | ||
| FY2014 | 572M | -7.7% | -47.5M | ||
| FY2013 | 619M | -2.8% | -17.8M | ||
| FY2012 | 637M | -0.5% | -3.24M | ||
| FY2011 | 640M | 0.0% | 0 | ||
| FY2010 | 640M | 0.0% | 0 | ||
| FY2009 | 640M | — | — |
- FY2025408M-3.3%
- FY2024422M-6.9%
- FY2023453M-4.3%
- FY2022474M+7.6%
- FY2021440M+0.2%
- FY2020440M-3.2%
- FY2019454M-4.3%
- FY2018474M-8.6%
- FY2017519M-2.2%
- FY2016530M-3.1%
- FY2015547M-4.3%
- FY2014572M-7.7%
- FY2013619M-2.8%
- FY2012637M-0.5%
- FY2011640M0.0%
- FY2010640M0.0%
- FY2009640M—
Shares Outstanding values are taken from Phillips 66's reported income statements (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
About Shares Outstanding at Phillips 66 (PSX)
According to Phillips 66's latest reported financial statements, the company's latest reported diluted shares outstanding is 403M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
The 2025 reading of Phillips 66 (PSX) diluted shares outstanding is 408M – edged down 3.3% year-over-year.
Over 2020–2025 (5 years), Phillips 66 diluted shares outstanding expanded at a -1.5% compound annual rate, with a net decline across the window.
Phillips 66 diluted shares outstanding peaked at 640M in 2009; the latest annual figure is 408M in 2025 (36.2% below peak).
2009 marks the peak diluted shares outstanding at 640M, with the historical low of 408M recorded in 2025.
Phillips 66 Shares Outstanding by Year
Phillips 66 Shares Outstanding 2025: 408M
2025's diluted shares outstanding for Phillips 66 came in at 408M, edged down 3.3% below 2024. This figure represents the lowest annual value in the available history.
Phillips 66 Shares Outstanding 2024: 422M
Phillips 66 posted diluted shares outstanding of 422M in 2024, declined 6.9% below 2023.
Phillips 66 Shares Outstanding 2023: 453M
In 2023, Phillips 66 reported diluted shares outstanding of 453M, edged down 4.3% below 2022.
Phillips 66 Shares Outstanding 2022: 474M
Phillips 66 diluted shares outstanding in 2022 was 474M, grew 7.6% from 2021.
Phillips 66 Shares Outstanding 2021: 440M
Phillips 66 diluted shares outstanding in 2021 was 440M.
See more financial history for Phillips 66 (PSX).
Sector peers by Shares Outstanding
Energy peers of Phillips 66 (PSX), ranked by their latest diluted shares outstanding
| 2.19B | |
| 1.86B | |
| 1.49B | |
| 1.25B | |
| 1.22B | |
| 539M | |
| 309M | |
| 305M |
- 2.19B
- 1.86B
- 1.49B
- 1.25B
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Phillips 66 (PSX) Key Financials
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How this company returns cash to shareholders — buybacks, dividends, and stock splits.