Atmos Energy Corporation (ATO)
Atmos Energy is one of the largest US natural-gas distributors, serving customers across several states.
ATO vs NEE: how the two businesses compare
Atmos Energy (ATO) and NextEra Energy (NEE) do not both have comparable annual revenue in the SEC XBRL snapshot, so this comparison rests on business descriptions, classifications, and filings. The SEC places them in related industries (Natural Gas Distribution; Electric Services), and both map to the Rates & central banks research theme.
Figures come from each company's own SEC filings. This page compares the businesses; it is not a price target or a verdict.
- Utilities
- Different
- Separate classifications
- Different
- ATO September 30 · NEE December 31
- Feb 13, 2026
ATO vs NEE: quick comparison
| Company fact | ATO | NEE |
|---|---|---|
| Company | Atmos Energy Corporation | NextEra Energy, Inc. |
| Exchange | NYSE | NYSE |
| Headquarters | — | Juno Beach, Florida |
| Founded | — | 1925 |
| SEC industry | Natural Gas Distribution | Electric Services |
| Fiscal year-end | September 30 | December 31 |
| Latest annual filing | 10-K · 2025-11-14 | 10-K · 2026-02-13 |
Where ATO and NEE overlap, and where they don't
Overlap
- Related SEC industries: both sit in SIC major group 49.
- Shared research theme: Rates & central banks.
Differences
- Different four-digit SIC codes: ATO is 4924 (Natural Gas Distribution); NEE is 4911 (Electric Services).
- Offset fiscal calendars: ATO's year ends September 30 and NEE's December 31, about 3 months apart.
Overlap is drawn from SEC classifications and Yield Theory research themes. It is not evidence that the companies sell to the same customers or compete product for product.
NextEra Energy, Inc. (NEE)
NextEra Energy pairs Florida Power & Light, a large regulated utility, with one of the world's biggest generators of wind and solar power. That combination positions it at the center of the shift to renewable electricity.
What moves each company
Company-specific drivers maintained by Yield Theory. Use them to decide which filing deserves deeper work; they are not predictions.
What moves ATO
We have not yet published a company-specific driver list for ATO. The primary source is Item 1 (Business) and Item 1A (Risk Factors) of its 10-K filed 2025-11-14.
What moves NEE
We have not yet published a company-specific driver list for NEE. The primary source is Item 1 (Business) and Item 1A (Risk Factors) of its 10-K filed 2026-02-13.
The investment question
You now know how ATO and NEE are classified, when their fiscal years end, and where their exposures overlap. Those are the facts. The investment question is what each share price already assumes about their exposure to rates & central banks, and which evidence in the next filings would prove that assumption wrong.
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Read the full researchSEC filing comparison and disclosure evidence
Start with primary filings because fiscal calendars and accounting presentation can make superficially similar quarters incomparable. ATO's fiscal year ends September 30, while NEE's ends December 31. Normalize the reporting periods before comparing growth, margins, capital intensity, or guidance.
The current verified House and Senate snapshot contains 5 matched transaction rows for ATO and 32 matched transaction rows for NEE. These delayed, range-based disclosures can identify a filing to inspect; they do not establish motive, conviction, or a real-time trading signal.
ATO primary filings
NEE primary filings
What this comparison cannot tell you
This page does not contain licensed live prices, a valuation model, earnings estimates, portfolio constraints, or a forecast of future returns. SEC classifications can be broad, company descriptions can lag strategic change, and the latest annual filing may predate a material acquisition or divestiture. Read subsequent quarterly and current reports before making a decision.
A stronger business is not automatically the better stock. Starting valuation, expectations, capital structure, cyclicality, dilution, and the probability of each thesis determine the investment outcome. Use this comparison to frame the work, then verify the numbers in the linked filings and current company disclosures.
More comparisons involving ATO or NEE
ATO vs NEE FAQs
Are ATO and NEE direct competitors?
Not necessarily. Atmos Energy files as Natural Gas Distribution and NextEra Energy as Electric Services. The pair is compared because both map to the Rates & central banks research theme, not because the filings show head-to-head competition.
Which is better, ATO or NEE?
There is no context-free winner. Compare the operating exposures, filing evidence, valuation, balance sheet, and risks against the specific thesis you are testing. This page deliberately does not turn a static profile into a buy or sell recommendation.
Does this ATO vs NEE comparison include live prices?
No. Yield Theory does not republish unlicensed real-time market data. The financial figures on this page are the audited annual numbers Atmos Energy Corporation and NextEra Energy, Inc. tagged in their SEC XBRL filings. Use a regulated broker or licensed quote provider for current prices and valuation multiples.
Where does the company information come from?
Company classifications, fiscal year-ends, and filing links come from the SEC EDGAR submissions API snapshot refreshed 2026-11-10. Business summaries and research themes are maintained by Yield Theory.
Data snapshot: SEC EDGAR submissions API, refreshed 2026-11-10. Independent educational research; not investment advice.
Which business differences matter to the investment thesis?
ATO vs NEE compares reported results. The reports below show how we connect operating evidence to an investment thesis, its assumptions, catalysts, and risks. $39/month or $249/year.
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