MPC vs WMB: Which is Better to Buy in 2026?

Side-by-side fundamental comparison based on AI analysis of SEC filings

AI Verdict

WMB has stronger fundamentals based on our AI analysis.

MPC
Marathon Petroleum Corp
C
78%
Confidence
VS
WMB
WILLIAMS COMPANIES, INC.
B
73%
Confidence

MPC vs WMB Fundamental Comparison

Metric MPC WMB
Revenue $34.2B $3.0B
Net Income $511.0M $865.0M
Net Margin 1.5% 28.5%
ROE 3.1% 6.7%
ROA 0.6% 1.5%
Current Ratio 1.18x 0.83x
Debt/Equity 1.83x 2.31x
EPS $1.73 $0.70

Green = Better metric | Red = Weaker metric

View Full MPC Analysis →
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Browse Sectors: Technology Healthcare Finance Energy Consumer Industrial
Stock Lists: Top Rated Undervalued Growth Dividend

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MPC vs WMB: Frequently Asked Questions

Is MPC or WMB the better stock in 2026?

Based on dual AI fundamental analysis (Claude and ChatGPT), WMB has stronger fundamentals. MPC is graded C (78% confidence) while WMB is graded B (73% confidence). This is not investment advice.

How does MPC compare to WMB fundamentally?

Marathon Petroleum Corp has ROE of 3.1% vs WILLIAMS COMPANIES, INC.'s 6.7%. Net margins are 1.5% vs 28.5% respectively.

Which stock pays higher dividends, MPC or WMB?

MPC has a dividend yield of N/A or no dividend while WMB has N/A or no dividend. Check individual stock pages for detailed dividend history and payout ratios.

Should I invest in MPC or WMB for long term?

For long-term investing, consider that MPC has a C grade with 78% confidence, while WMB has a B grade with 73% confidence. Higher confidence indicates more consistent fundamentals from SEC filings. This is not investment advice - always do your own research.

What do the AI models say about MPC vs WMB?

Our dual AI system (Claude by Anthropic and ChatGPT by OpenAI) analyzes SEC 10-K and 10-Q filings independently. For MPC vs WMB, the AI consensus favors WMB based on fundamental metrics including revenue growth, profitability, ROE, and balance sheet strength.