Shares outstanding are shares that have been authorized, issued, and purchased by investors and are held by them. Phillips 66's average basic shares outstanding for the quarter that ended in Mar. 2026 was 402 Mil.
A company may buy back shares or issue shares in any fiscal period. If a company buys back shares, we should observe that the total number of shares decline. If the company issues new shares, the number of shares outstanding increases.
Be Aware
Usually the presence of treasury shares and a history of buyback are good indicators that company has competitive advantage. But studies have shown that companies usually buy back at wrong time. Buying back shares below its intrinsic value increases value for remaining shareholders. Buying back overvalued shares destroys value for existing shareholders.
Phillips 66 Shares Outstanding (Basic Average) Related Terms
Phillips 66 Shares Outstanding (Basic Average) Historical Data
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The historical data trend for Phillips 66's Shares Outstanding (Basic Average) can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Shares outstanding are shares that have been authorized, issued, and purchased by investors and are held by them. They have voting rights and represent ownership in the corporation by the person that holds the shares. They should be distinguished from treasury shares, which are shares held by the corporation itself, having no exercisable rights.
Shares outstanding can be calculated as either basic or fully diluted. The fully diluted shares outstanding count includes diluting securities, such as options, warrants or convertibles.
Please note: GuruFocus named Shares Outstanding (EOP) is the shares for that exact time point. It is usually used to calculate balance sheet related items, such as Book Value per Share, etc. While Shares Outstanding (Diluted Average) and Shares Outstanding (Basic Average) are the weighted average shares over a period of time (a year, a quarter, or so). They are usually used to calculate income statement or cashflow statement related items, such as Earnings per Share (Diluted), etc.
What does a Shares Outstanding (Basic Average) of 402 Mil mean?
Phillips 66 (MEX:PSX) has a Shares Outstanding (Basic Average) of 402 Mil as of Mar. 2026. The average shares outstanding over two periods not accounting for dilutive securities like convertible bonds. View historical data on Phillips 66 and its competitors.
Is Phillips 66's Shares Outstanding (Basic Average) too high?
Phillips 66's current Shares Outstanding (Basic Average) is 402 Mil. Overall, Phillips 66 has a GF Score™ of 66/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Phillips 66's Shares Outstanding (Basic Average) compare to MPC and VLO?
Phillips 66's Shares Outstanding (Basic Average) of 402 Mil can be compared against companies in the Oil & Gas industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Shares Outstanding (Basic Average) for an Oil & Gas company?
A good Shares Outstanding (Basic Average) depends on the Oil & Gas industry context. However, Shares Outstanding (Basic Average) should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Shares Outstanding (Basic Average) mean?
A high Shares Outstanding (Basic Average) can signal that a stock is expensive relative to its fundamentals. The average shares outstanding over two periods not accounting for dilutive securities like convertible bonds. View historical data on Phillips 66 and its competitors. Phillips 66's current Shares Outstanding (Basic Average) is 402 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Phillips 66 stock overvalued right now?
Based on GuruFocus' analysis, Phillips 66 (MEX:PSX) is currently considered Significantly Overvalued. The stock's GF Value™ is MXN2,552.07, compared to a current price of MXN3,169.00 — trading 24.2% above its estimated fair value. The current Shares Outstanding (Basic Average) is 402 Mil. Phillips 66's overall GF Score™ is 66/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shares Outstanding (Basic Average) calculated?
Shares Outstanding (Basic Average) is calculated from a company's financial statements. For Phillips 66 (MEX:PSX), the current Shares Outstanding (Basic Average) is 402 Mil as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Phillips 66 (MEX:PSX) Overvalued in 2026?
Based on GuruFocus' analysis, Phillips 66 stock appears to be overvalued.
The current stock price of MXN3,169.00 is trading 24.2% above its estimated GF Value™ of MXN2,552.07.
GuruFocus considers Phillips 66 to be Significantly Overvalued.
Key valuation signals for MEX:PSX:
Shares Outstanding (Basic Average): 402 Mil
GF Value™: MXN2,552.07 vs. price of MXN3,169.00 (24.2% above fair value)
No single metric tells the full story. See the MEX:PSX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Phillips 66 is an independent refiner that owns or holds interest in 10 refineries with a total crude throughput capacity of 2.0 million barrels per day, or mmb/d, at the end of 2025. The midstream segment comprises extensive transportation and NGL processing assets. It includes 70,000 miles of crude oil, refined petroleum product, NGL and natural gas pipeline systems, and a comprehensive set of refined petroleum product, NGL and crude oil terminals, gathering and processing plants and fractionation facilities and various other storage and loading facilities. Its CPChem chemical joint venture operates facilities primarily in the United States and the Middle East and produces olefins and polyolefins.
66GF Score
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