Stocks / ATO vs UTL

ATO vs UTL: Which Stock Is the Better Buy?

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

ATO is the larger company ($28.8B vs $0.9B). On the fundamentals, ATO grows revenue faster (10.8% vs 5.1%); ATO earns a higher net margin (25.5% vs 9.4%); ATO has the stronger return on equity (8.8% vs 8.2%). On the filings, ATO carries fewer potential red flags (1 vs 3). Full numbers below — the stronger figure on each row is in green.

AI verdict — ATO vs UTL, 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)Unitil Corporation (UTL)
Market cap$28.8B$0.9B
Revenue (latest FY)$4.70B$536.00M
Net income (latest FY)$1.20B$50.20M
Revenue growth (5y CAGR)10.8%5.1%
Net margin25.5%9.4%
Return on equity8.8%8.2%
P/E ratio21.316.5
Dividend yield2.3%3.6%
Profitable years (of last 10)1010
Positive free cash flowNoNo

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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 UTL 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 UTL's full financials →

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Frequently asked questions

Which is bigger, ATO or UTL?

Atmos Energy Corporation is larger by market capitalization — $28.8B versus $0.9B.

Which grows faster, ATO or UTL?

Over the last five fiscal years, Atmos Energy Corporation grew revenue faster — 10.8%/yr versus 5.1%/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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