Marathon Petroleum (MEX:MPC) Moat Score: 6/10 (As of Jun. 28, 2026)


MEX:MPC Marathon Petroleum Corp MEX:MPC
65 GF Score
Price MXN4,496.00
GF Value MXN3,656.12
Valuation Modestly Overvalued
! 6 Warning Signs
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What is Marathon Petroleum Moat Score?

Marathon Petroleum MEX:MPC 65 Moat Score is 6 as of Jun. 28, 2026. GuruFocus rates MEX:MPC with a GF Score™ of 65/100 and a GF Value™ of MXN3,656.12 (Modestly Overvalued). The stock has 6 warning signs investors should review. Among 1,044 Oil & Gas companies, Marathon Petroleum ranks better than 98.47% on this metric.

Marathon Petroleum has the Moat Score of 6, which implies that the company might have Narrow Moat - Strong narrow moat, clearly distinguishable but not wide.

Marathon Petroleum has Narrow Moat: Marathon Petroleum has a strong narrow moat due to its significant economies of scale in refining and distribution, and a robust distribution network. However, it lacks significant customer switching costs and network effects, preventing a wide moat classification.

Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more.

The company's Moat Score is based on these criteria:

1. Market leadership and sustainable market share
2. Network effects and significant customer switching costs
3. Valuable intellectual property and patents
4. Strong brand strength and deep customer loyalty
5. Durable cost advantages (e.g., economies of scale, proprietary technology)
6. Significant regulatory barriers and exclusive licenses
7. Superior distribution network
8. Strong and sustainable pricing power
9. Consistent and impactful innovation and R&D capabilities

Based on the research, GuruFocus believes Marathon Petroleum might have Narrow Moat - Strong narrow moat, clearly distinguishable but not wide.

Marathon Petroleum  (MEX:MPC) Moat Score Explanation

The Moat Score ranges from 0 to 10, with 10 as the highest. GuruFocus divided Moat Score into following 8 categories:

Moat Score Moat Level
10Wide Moat - Exceptionally dominant and durable wide moat
8 - 9Wide Moat - Clear and robust wide moat
7Wide Moat - Entry-level wide moat, clearly possessing durable advantages
6Narrow Moat - Strong narrow moat, clearly distinguishable but not wide
5Narrow Moat - Solid narrow moat
4Narrow Moat - Discernible but modest moat
1 - 3No Moat - Very weak/transient advantages
0No Moat - No discernible moat

Marathon Petroleum Moat Score Related Terms

MEX:MPC vs VLO, PSX, DINO: Moat Score Comparison

For the Oil & Gas Refining & Marketing subindustry, Marathon Petroleum's Moat Score, along with its competitors' market caps and Moat Score 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.

Marathon Petroleum Moat Score vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Marathon Petroleum's Moat Score distribution charts can be found below:

* The bar in red indicates where Marathon Petroleum's Moat Score falls into.


MEX:MPC
65GF Score
Marathon Petroleum Corp MEX:MPC
Moat Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about Moat Score →
What does a Moat Score of 6 mean?
Marathon Petroleum (MEX:MPC) has a Moat Score of 6 as of Jun. 28, 2026. Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more. According to the industry distribution chart, Marathon Petroleum ranks #16 out of 1044 companies in the Oil & Gas industry, placing it in the top 1.5%.
Is Marathon Petroleum's Moat Score too high?
Marathon Petroleum's current Moat Score is 6. The Oil & Gas industry median Moat Score is 1.00. Marathon Petroleum's value of 6 is 500% above this industry median. Based on the distribution chart, Marathon Petroleum ranks #16 out of 1044 companies in the Oil & Gas industry, which is in the top quartile — a strong position relative to peers. Overall, Marathon Petroleum has a GF Score™ of 65/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Marathon Petroleum's Moat Score compare to VLO and PSX?
According to the Oil & Gas industry distribution chart, Marathon Petroleum ranks #16 out of 1044 companies for Moat Score. This places Marathon Petroleum in the top 2% of its industry — outperforming the majority of peers. The industry median Moat Score is 1.00. Marathon Petroleum's value of 6 is 500% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Moat Score for an Oil & Gas company?
The median Moat Score among Oil & Gas companies is 1.00, based on 1,044 companies in the industry. Companies in the top quartile (top 25%) have a Moat Score significantly above this median, while those in the bottom quartile fall well below. However, Moat Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Marathon Petroleum's current Moat Score of 6 is 500% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Moat Score mean?
A high Moat Score can signal that a stock is expensive relative to its fundamentals. Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more. For the Oil & Gas industry, the median Moat Score is 1.00 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Marathon Petroleum's current Moat Score is 6. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Marathon Petroleum stock overvalued right now?
Based on GuruFocus' analysis, Marathon Petroleum (MEX:MPC) is currently considered Modestly Overvalued. The stock's GF Value™ is MXN3,656.12, compared to a current price of MXN4,496.00 — trading 23% above its estimated fair value. The current Moat Score is 6 and 500% above the Oil & Gas industry median of 1.00. Marathon Petroleum's overall GF Score™ is 65/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Moat Score calculated?
Moat Score is calculated from a company's financial statements. For Marathon Petroleum (MEX:MPC), the current Moat Score is 6 as of Jun. 28, 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 Marathon Petroleum (MEX:MPC) Overvalued in 2026?

Based on GuruFocus' analysis, Marathon Petroleum stock appears to be overvalued. The current stock price of MXN4,496.00 is trading 23% above its estimated GF Value™ of MXN3,656.12. GuruFocus considers Marathon Petroleum to be Modestly Overvalued.

Key valuation signals for MEX:MPC:

  • Moat Score: 6
  • GF Value™: MXN3,656.12 vs. price of MXN4,496.00 (23% above fair value)
  • GF Score™: 65/100 with 6 warning signs
  • Industry Position: 500% above the Oil & Gas median (#16 of 1044)

No single metric tells the full story. See the MEX:MPC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Marathon Petroleum Business Description

Industry EnergyOil & Gas
Address 539 South Main Street, Findlay, OH, USA, 45840-3229
Marathon Petroleum is a leading integrated downstream and midstream energy company that operates 13 refineries in the Gulf Coast, Mid-Continent, and West Coast regions of the United States with an aggregate crude oil refining capacity of 3.0 million barrels per day. The company is one of the largest producers of renewable diesel in the US; its Dickinson, North Dakota facility has the capacity to produce 184 million gallons per year, and its Martinez, California, joint venture facility (a 50/50 partnership with Neste) reached its full capacity of 730 million gallons per year in late 2024. Marathon also owns the general partner and approximately 64% of MPLX LP, a large-cap master limited partnership that owns and operates midstream energy infrastructure and logistics assets.
65GF Score

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MXN4,496.00
Price
MXN3,656.12
GF Value