Stocks / ATO vs NFG

ATO vs NFG: Which Stock Is the Better Buy?

Atmos Energy Corporation and National Fuel Gas Company side by side — fundamentals from SEC filings, refreshed nightly. Sector: Utilities / Energy.

ATO is the larger company ($28.8B vs $7.3B). On the fundamentals, ATO grows revenue faster (10.8% vs 8.1%); ATO earns a higher net margin (25.5% vs 22.8%); NFG has the stronger return on equity (16.8% 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 NFG, 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)National Fuel Gas Company (NFG)
Market cap$28.8B$7.3B
Revenue (latest FY)$4.70B$2.28B
Net income (latest FY)$1.20B$518.50M
Revenue growth (5y CAGR)10.8%8.1%
Net margin25.5%22.8%
Return on equity8.8%16.8%
P/E ratio21.310.4
Dividend yield2.3%2.8%
Profitable years (of last 10)108
Positive free cash flowNoYes

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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 NFG 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 NFG's full financials →

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Frequently asked questions

Which is bigger, ATO or NFG?

Atmos Energy Corporation is larger by market capitalization — $28.8B versus $7.3B.

Which grows faster, ATO or NFG?

Over the last five fiscal years, Atmos Energy Corporation grew revenue faster — 10.8%/yr versus 8.1%/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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