Stocks / AES vs ATO

AES vs ATO: Which Stock Is the Better Buy?

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

ATO is the larger company ($28.8B vs $10.5B). On the fundamentals, ATO grows revenue faster (10.8% vs 4.8%); ATO earns a higher net margin (25.5% vs 7.4%); AES has the stronger return on equity (22.4% vs 8.8%). On the filings, AES carries fewer potential red flags (0 vs 1). Full numbers below — the stronger figure on each row is in green.

AI verdict — AES vs ATO, 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.

 The AES Corporation (AES)Atmos Energy Corporation (ATO)
Market cap$10.5B$28.8B
Revenue (latest FY)$12.23B$4.70B
Net income (latest FY)$910.00M$1.20B
Revenue growth (5y CAGR)4.8%10.8%
Net margin7.4%25.5%
Return on equity22.4%8.8%
P/E ratio7.621.3
Dividend yield4.8%2.3%
Profitable years (of last 10)610
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 AES vs ATO 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 AES's full financials →   Open ATO's full financials →

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Frequently asked questions

Which is bigger, AES or ATO?

Atmos Energy Corporation is larger by market capitalization — $28.8B versus $10.5B.

Which grows faster, AES or ATO?

Over the last five fiscal years, Atmos Energy Corporation grew revenue faster — 10.8%/yr versus 4.8%/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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