Stocks / ATO vs WEC

ATO vs WEC: Which Stock Is the Better Buy?

Atmos Energy Corporation and WEC Energy Group, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Utilities.

WEC is the larger company ($35.7B vs $28.8B). On the fundamentals, ATO grows revenue faster (10.8% vs 6.2%); ATO earns a higher net margin (25.5% vs 15.9%); WEC has the stronger return on equity (11.1% vs 8.8%). Both carry 1 potential red flag in the filings. Full numbers below — the stronger figure on each row is in green.

AI verdict — ATO vs WEC, 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.

 Atmos Energy Corporation (ATO)WEC Energy Group, Inc. (WEC)
Market cap$28.8B$35.7B
Revenue (latest FY)$4.70B$9.80B
Net income (latest FY)$1.20B$1.56B
Revenue growth (5y CAGR)10.8%6.2%
Net margin25.5%15.9%
Return on equity8.8%11.1%
P/E ratio21.321.2
Dividend yield2.3%3.5%
Profitable years (of last 10)109
Positive free cash flowNo

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Use the filing period and source shown by each tool before treating two figures as comparable.

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See the full ATO vs WEC 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 ATO's full financials →   Open WEC's full financials →

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Frequently asked questions

Which is bigger, ATO or WEC?

WEC Energy Group, Inc. is larger by market capitalization — $35.7B versus $28.8B.

Which grows faster, ATO or WEC?

Over the last five fiscal years, Atmos Energy Corporation grew revenue faster — 10.8%/yr versus 6.2%/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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