Shares Outstanding for Phillips 66 (PSX)
According to Phillips 66's latest reported financial statements, the company's latest reported diluted shares outstanding is 405.15M. 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 .
PSX
Currently viewingShares OutstandingSwitch metric
Latest period
405.15M
YoY change
-3.3%
5Y CAGR
-1.5%
Peak year (2009)
640.00M
Latest annual
408.05M
Shares Outstanding history chart for Phillips 66 (PSX) from 2009 to 2025
Shares Outstanding history table for Phillips 66 (PSX) from 2009 to 2025
| Fiscal year | Period ended | Reported | Shares Outstanding | YoY |
|---|---|---|---|---|
| 2025 | 408.05M | -3.3% | ||
| 2024 | 421.89M | -6.9% | ||
| 2023 | 453.21M | -4.3% | ||
| 2022 | 473.73M | +7.6% | ||
| 2021 | 440.36M | +0.2% | ||
| 2020 | 439.53M | -3.2% | ||
| 2019 | 453.89M | -4.3% | ||
| 2018 | 474.05M | -8.6% | ||
| 2017 | 518.51M | -2.2% | ||
| 2016 | 530.07M | -3.1% | ||
| 2015 | 546.98M | -4.3% | ||
| 2014 | 571.50M | -7.7% | ||
| 2013 | 618.99M | -2.8% | ||
| 2012 | 636.76M | -0.5% | ||
| 2011 | 640.00M | 0.0% | ||
| 2010 | 640.00M | 0.0% | ||
| 2009 | 640.00M | — |
Shares Outstanding values are taken from Phillips 66's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
The 2025 reading of Phillips 66 (PSX) diluted shares outstanding is 408.05M – 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 640.00M in 2009; the latest annual figure is 408.05M in 2025 (36.2% below peak).
2009 marks the peak diluted shares outstanding at 640.00M, with the historical low of 408.05M recorded in 2025.
Among 8 Energy peers, Phillips 66 (PSX) ranks 8th; the peer median for diluted shares outstanding is 1.37B.
Phillips 66 Shares Outstanding by Year
Phillips 66 Shares Outstanding 2025: 408.05M
Phillips 66 diluted shares outstanding in 2025 was 408.05M, edged down 3.3% below 2024. This figure represents the lowest annual value in the available history.
Phillips 66 Shares Outstanding 2024: 421.89M
Phillips 66 diluted shares outstanding in 2024 was 421.89M, declined 6.9% below 2023.
Phillips 66 Shares Outstanding 2023: 453.21M
Phillips 66 diluted shares outstanding in 2023 was 453.21M, edged down 4.3% below 2022.
Phillips 66 Shares Outstanding 2022: 473.73M
Phillips 66 diluted shares outstanding in 2022 was 473.73M, grew 7.6% from 2021.
Phillips 66 Shares Outstanding 2021: 440.36M
Phillips 66 diluted shares outstanding in 2021 was 440.36M.
See more financial history for Phillips 66 (PSX).
Sector peers — Shares Outstanding
Companies in the same sector as Phillips 66, ranked by their latest diluted shares outstanding.
| Company | Shares Outstanding | Sector |
|---|---|---|
| Exxon Mobil Corporation (XOM) | 4.30B | Energy |
| Enbridge Inc. (ENB) | 2.19B | Energy |
| Chevron Corporation (CVX) | 1.86B | Energy |
| SLB N.V. (SLB) | 1.49B | Energy |
| ConocoPhillips (COP) | 1.25B | Energy |
| The Williams Companies, Inc. (WMB) | 1.22B | Energy |
| EOG Resources, Inc. (EOG) | 539.23M | Energy |
| Valero Energy Corporation (VLO) | 309.00M | Energy |
Frequently asked questions
What is Phillips 66's diluted shares outstanding?
- Latest reported diluted shares outstanding for Phillips 66 (PSX) is 405.15M (period ending December 31, 2025).
How has Phillips 66 diluted shares outstanding changed year-over-year?
- Phillips 66 (PSX) diluted shares outstanding changed -3.3% year-over-year on the latest annual filing.
What is the long-term growth rate of Phillips 66 diluted shares outstanding?
- Phillips 66 (PSX) diluted shares outstanding compound annual growth rate is -1.5% over the most recent 5 years available.
When did Phillips 66 diluted shares outstanding hit its highest annual value?
- Phillips 66 diluted shares outstanding reached its highest annual value of 640.00M in 2009.
What was Phillips 66 diluted shares outstanding in 2024?
- Phillips 66 (PSX) diluted shares outstanding in 2024 was 421.89M.
What was Phillips 66 diluted shares outstanding in 2025?
- Phillips 66 (PSX) diluted shares outstanding in 2025 was 408.05M.
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