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Stocks / PSX vs WMB

PSX vs WMB: Which Stock Is the Better Buy?

Phillips 66 and The Williams Companies, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Energy.

WMB is the larger company ($89.7B vs $82.9B). On the fundamentals, PSX grows revenue faster (16.3% vs 9.1%); WMB earns a higher net margin (21.9% vs 3.2%); WMB has the stronger return on equity (20.4% vs 15.1%). On the filings, WMB carries fewer potential red flags (0 vs 2). Full numbers below — the stronger figure on each row is in green.

AI verdict — PSX vs WMB, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 Phillips 66 (PSX)The Williams Companies, Inc. (WMB)
Market cap$82.9B$89.7B
Revenue (latest FY)$136.56B$11.95B
Net income (latest FY)$4.40B$2.62B
Revenue growth (5y CAGR)16.3%9.1%
Net margin3.2%21.9%
Return on equity15.1%20.4%
P/E ratio20.432.2
Dividend yield2.5%2.9%
Profitable years (of last 10)98
Positive free cash flowYes
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See the full PSX vs WMB breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open PSX's full financials →   Open WMB's full financials →

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Frequently asked questions

Which is bigger, PSX or WMB?

The Williams Companies, Inc. is larger by market capitalization — $89.7B versus $82.9B.

Which grows faster, PSX or WMB?

Over the last five fiscal years, Phillips 66 grew revenue faster — 16.3%/yr versus 9.1%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

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PSX fundamentals → · WMB fundamentals → · All 1,500+ companies → · Free screener →