Phillips 66MEX:PSX 66 Market Cap is MXN1,205,619 Mil as of Jun. 27, 2026. GuruFocus rates MEX:PSX with a GF Score™ of 66/100 and a GF Value™ of MXN2,508.61 (Modestly Overvalued). The stock has 6 warning signs investors should review. Among 1,043 Oil & Gas companies, Phillips 66 ranks better than 97.51% on this metric.
Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). Phillips 66's share price for the quarter that ended in Mar. 2026 was MXN2590. Phillips 66's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 401 Mil. Therefore, Phillips 66's market cap for the quarter that ended in Mar. 2026 was MXN1,038,422 Mil.
Phillips 66's quarterly market cap
declined
from Sep. 2025 (MXN997,229 Mil) to Dec. 2025 (MXN954,711 Mil) but then
increased
from Dec. 2025 (MXN954,711 Mil) to Mar. 2026 (MXN1,038,422 Mil).
Phillips 66's annual market cap
increased
from Dec. 2023 (MXN1,000,823 Mil) to Dec. 2024 (MXN1,010,773 Mil) but then
declined
from Dec. 2024 (MXN1,010,773 Mil) to Dec. 2025 (MXN954,711 Mil).
Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. Phillips 66's Enterprise Value for Today is MXN1,610,469 Mil.
Phillips 66 (MEX:PSX) Market Cap Explanation
Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the companys debt. The real price you pay is the Enterprise Value.
Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.
Phillips 66 Market Cap Related Terms
Phillips 66 Market Cap Historical Data
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The historical data trend for Phillips 66's Market Cap 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.
For the Oil & Gas Refining & Marketing subindustry, Phillips 66's Market Cap, along with its competitors' market caps and Market Cap data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Phillips 66 Market Cap vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Phillips 66's Market Cap distribution charts can be found below:
* The bar in red indicates where Phillips 66's Market Cap falls into.
Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.
Phillips 66's Market Cap for the fiscal year that ended in Dec. 2025 is calculated as
* 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.
Phillips 66 (MEX:PSX) has a Market Cap of MXN1,205,619 Mil as of Jun. 27, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Phillips 66 and its competitors. According to the industry distribution chart, Phillips 66 ranks #26 out of 1043 companies in the Oil & Gas industry, placing it in the top 2.5%.
Is Phillips 66's Market Cap too high?
Phillips 66's current Market Cap is MXN1,205,619 Mil. Based on the distribution chart, Phillips 66 ranks #26 out of 1043 companies in the Oil & Gas industry, which is in the top quartile — a strong position relative to peers. Overall, Phillips 66 has a GF Score™ of 66/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Phillips 66's Market Cap compare to MPC and VLO?
According to the Oil & Gas industry distribution chart, Phillips 66 ranks #26 out of 1043 companies for Market Cap. This places Phillips 66 in the top 3% of its industry — outperforming the majority of peers. The industry median Market Cap is 206.34. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for an Oil & Gas company?
The median Market Cap among Oil & Gas companies is 206.34, based on 1,043 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap 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 Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Phillips 66 and its competitors. For the Oil & Gas industry, the median Market Cap is 206.34 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Phillips 66's current Market Cap is MXN1,205,619 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 Modestly Overvalued. The stock's GF Value™ is MXN2,508.61, compared to a current price of MXN3,169.00 — trading 26.3% above its estimated fair value. The current Market Cap is MXN1,205,619 Mil. Phillips 66's overall GF Score™ is 66/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For Phillips 66 (MEX:PSX), the current Market Cap is MXN1,205,619 Mil as of Jun. 27, 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 26.3% above its estimated GF Value™ of MXN2,508.61.
GuruFocus considers Phillips 66 to be Modestly Overvalued.
Key valuation signals for MEX:PSX:
Market Cap: MXN1,205,619 Mil
GF Value™: MXN2,508.61 vs. price of MXN3,169.00 (26.3% 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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