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Marathon Petroleum Corp (MPC) Stock Fundamental Analysis & AI Rating 2026

MPC NYSE Petroleum Refining DE CIK: 0001510295
Updated This Month • Analysis: May 7, 2026 • SEC Data: 2026-03-31
Combined AI Rating
SELL
78% Confidence
AGREEMENT
SELL
78% Conf
HOLD
77% Conf

📊 MPC Key Takeaways

Revenue: $34.2B
Net Margin: 1.5%
Free Cash Flow: $208.0M
Current Ratio: 1.18x
Debt/Equity: 1.83x
EPS: $1.73
AI Rating: SELL with 78% confidence
Marathon Petroleum Corp (MPC) receives a SELL rating with 78% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $34.2B, net profit margin of 1.5%, and return on equity (ROE) of 3.1%, Marathon Petroleum Corp demonstrates mixed fundamentals in the Energy sector. Below is our complete MPC stock analysis for 2026.

Is Marathon Petroleum Corp (MPC) a Good Investment?

Claude

Marathon Petroleum faces structural headwinds with revenue declining 4.4% YoY while net income remains essentially flat, indicating margin compression in an increasingly challenged refining sector. High leverage (1.83x debt-to-equity) combined with extremely weak returns on capital (ROE 3.1%, ROA 0.6%) and minimal free cash flow generation ($208M) leave the company vulnerable to commodity price volatility without sufficient earnings buffer.

ChatGPT

Marathon Petroleum shows resilient core fundamentals, with solid operating cash flow, positive free cash flow, and stable net income despite a 4.4% revenue decline. Profitability remains acceptable for a refiner, but thin margins, elevated leverage, and only moderate interest coverage limit upside in a cyclical industry. The business looks fundamentally sound, though growth quality appears mixed because EPS outpaced net income materially.

Why Buy Marathon Petroleum Corp Stock? MPC Key Strengths

Claude
  • + Generates operating cash flow of $1.1B despite revenue decline, demonstrating operational cash generation capability
  • + Interest coverage ratio of 3.3x provides adequate capacity to service $30.7B long-term debt
  • + Large diversified refining asset base of $88.2B with established market position and scale
ChatGPT
  • + Strong cash generation with $8.25B operating cash flow and $4.77B free cash flow
  • + Stable earnings profile with net income up slightly year over year despite lower revenue
  • + Healthy returns on capital metrics, including 23.4% ROE, supported by meaningful operating income

MPC Stock Risks: Marathon Petroleum Corp Investment Risks

Claude
  • ! Revenue declining 4.4% YoY with net income growth of only 0.1% signals industry headwinds and margin compression
  • ! Elevated leverage (1.83x debt-to-equity, $30.7B debt) with minimal free cash flow ($208M or 0.6% FCF margin) creates vulnerability to crude price downturns and refinancing risk
  • ! Severely depressed returns on capital (ROE 3.1%, ROA 0.6%) with thin operating margins (4.1%) indicate limited pricing power and inefficient capital deployment; quick ratio of 0.73x raises liquidity concerns
ChatGPT
  • ! High leverage with $30.50B long-term debt and 1.76x debt-to-equity
  • ! Low-margin business profile with 6.2% operating margin and 3.0% net margin
  • ! Growth quality is modest because revenue declined and EPS growth significantly exceeded net income growth

Key Metrics to Watch

Claude
  • * Free cash flow generation and debt paydown capacity in relation to annual capex and debt service obligations
  • * Operating margin trends and gross refining spread (indicator of refining profitability)
  • * Debt-to-equity ratio and interest coverage ratios amid crude oil price and product margin fluctuations
ChatGPT
  • * Operating margin and free cash flow conversion
  • * Debt reduction progress and interest coverage

Marathon Petroleum Corp (MPC) Financial Metrics & Key Ratios

Revenue
$34.2B
Net Income
$511.0M
EPS (Diluted)
$1.73
Free Cash Flow
$208.0M
Total Assets
$88.2B
Cash Position
$2.2B

💡 AI Analyst Insight

The relatively thin 0.6% FCF margin may limit capital allocation flexibility.

MPC Profit Margin, ROE & Profitability Analysis

Gross Margin N/A
Operating Margin 4.1%
Net Margin 1.5%
ROE 3.1%
ROA 0.6%
FCF Margin 0.6%

MPC vs Energy Sector: How Marathon Petroleum Corp Compares

How Marathon Petroleum Corp compares to Energy sector averages

Net Margin
MPC 1.5%
vs
Sector Avg 12.0%
MPC Sector
ROE
MPC 3.1%
vs
Sector Avg 14.0%
MPC Sector
Current Ratio
MPC 1.2x
vs
Sector Avg 1.3x
MPC Sector
Debt/Equity
MPC 1.8x
vs
Sector Avg 0.6x
MPC Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Marathon Petroleum Corp Stock Overvalued? MPC Valuation Analysis 2026

Based on fundamental analysis, Marathon Petroleum Corp shows some fundamental concerns relative to the Energy sector in 2026.

Return on Equity
3.1%
Sector avg: 14%
Net Profit Margin
1.5%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
1.83x
Sector avg: 0.6x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Marathon Petroleum Corp Balance Sheet: MPC Debt, Cash & Liquidity

Current Ratio
1.18x
Quick Ratio
0.73x
Debt/Equity
1.83x
Debt/Assets
73.4%
Interest Coverage
3.34x
Long-term Debt
$30.7B

MPC Revenue & Earnings Growth: 5-Year Financial Trend

MPC 5-year financial data: Year 2021: Revenue $120.0B, Net Income $2.6B, EPS $3.97. Year 2022: Revenue $177.5B, Net Income -$9.8B, EPS $-15.13. Year 2023: Revenue $177.5B, Net Income $9.7B, EPS $15.24. Year 2024: Revenue $177.5B, Net Income $14.5B, EPS $28.12. Year 2025: Revenue $148.4B, Net Income $9.7B, EPS $23.63.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Marathon Petroleum Corp's revenue has grown significantly by 24% over the 5-year period, indicating strong business expansion. The most recent EPS of $23.63 reflects profitable operations.

MPC Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
0.6%
Free cash flow / Revenue

MPC Quarterly Earnings & Performance

Quarterly financial performance data for Marathon Petroleum Corp including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q1 2026 $31.5B -$74.0M $-0.24
Q3 2025 $34.8B $622.0M $1.87
Q2 2025 $33.8B $1.1B $3.68
Q1 2025 $31.5B -$74.0M $-0.24
Q3 2024 $35.1B $622.0M $1.87
Q2 2024 $36.3B $1.5B $4.33
Q1 2024 $32.7B $937.0M $2.58
Q3 2023 $40.9B $3.3B $8.28

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Marathon Petroleum Corp Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$1.1B
Cash generated from operations
Stock Buybacks
$750.0M
Shares repurchased (TTM)
Capital Expenditures
$913.0M
Investment in assets
Dividends Paid
$295.0M
Returned to shareholders

MPC SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Marathon Petroleum Corp (CIK: 0001510295)

📋 Recent SEC Filings

Date Form Document Action
May 15, 2026 4 xslF345X06/ownership.xml View →
May 5, 2026 10-Q mpc-20260331.htm View →
May 5, 2026 8-K mpc-20260505.htm View →
May 4, 2026 4 xslF345X06/ownership.xml View →
May 4, 2026 4 xslF345X06/ownership.xml View →

Frequently Asked Questions about MPC

What is the AI rating for MPC?

Marathon Petroleum Corp (MPC) has a Combined AI Rating of SELL from Claude (SELL) and ChatGPT (HOLD) with 78% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are MPC's key strengths?

Claude: Generates operating cash flow of $1.1B despite revenue decline, demonstrating operational cash generation capability. Interest coverage ratio of 3.3x provides adequate capacity to service $30.7B long-term debt. ChatGPT: Strong cash generation with $8.25B operating cash flow and $4.77B free cash flow. Stable earnings profile with net income up slightly year over year despite lower revenue.

What are the risks of investing in MPC?

Claude: Revenue declining 4.4% YoY with net income growth of only 0.1% signals industry headwinds and margin compression. Elevated leverage (1.83x debt-to-equity, $30.7B debt) with minimal free cash flow ($208M or 0.6% FCF margin) creates vulnerability to crude price downturns and refinancing risk. ChatGPT: High leverage with $30.50B long-term debt and 1.76x debt-to-equity. Low-margin business profile with 6.2% operating margin and 3.0% net margin.

What is MPC's revenue and growth?

Marathon Petroleum Corp reported revenue of $34.2B.

Does MPC pay dividends?

Marathon Petroleum Corp pays dividends, with $295.0M distributed to shareholders in the trailing twelve months.

Where can I find MPC SEC filings?

Official SEC filings for Marathon Petroleum Corp (CIK: 0001510295) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is MPC's EPS?

Marathon Petroleum Corp has a diluted EPS of $1.73.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is MPC a good stock to buy right now?

Based on our AI fundamental analysis in May 2026, Marathon Petroleum Corp has a SELL rating with 78% confidence. Review the strengths and risks sections above before making a decision. This is not investment advice.

Is MPC stock overvalued or undervalued?

Valuation metrics for MPC: ROE of 3.1% (sector avg: 14%), net margin of 1.5% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

Should I buy MPC stock in 2026?

Our dual AI analysis gives Marathon Petroleum Corp a combined SELL rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is MPC's free cash flow?

Marathon Petroleum Corp's operating cash flow is $1.1B, with capital expenditures of $913.0M. FCF margin is 0.6%.

How does MPC compare to other Energy stocks?

Vs Energy sector averages: Net margin 1.5% (avg: 12%), ROE 3.1% (avg: 14%), current ratio 1.18 (avg: 1.3).

Is Marathon Petroleum Corp carrying too much debt?

MPC has a debt-to-equity ratio of 1.83x, which is above the Energy sector average of 0.6x. However, the current ratio of 1.18 suggests adequate short-term liquidity.

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: May 7, 2026 | Data as of: 2026-03-31 | Powered by Claude AI