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Atmos Energy Corp. (ATO) Stock Fundamental Analysis & AI Rating 2026

ATO NYSE Natural Gas Distribution TX CIK: 0000731802
Updated This Month • Analysis: Mar 20, 2026 • SEC Data: 2025-12-31
Combined AI Rating
HOLD
72% Confidence
STRONG AGREEMENT
HOLD
65% Conf
HOLD
79% Conf

📊 ATO Key Takeaways

Revenue: $1.3B
Net Margin: 30.0%
Free Cash Flow: $-725.3M
Current Ratio: 1.13x
Debt/Equity: 0.67x
EPS: $2.44
AI Rating: HOLD with 65% confidence
Atmos Energy Corp. (ATO) receives a HOLD rating with 72% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $1.3B, net profit margin of 30.0%, and return on equity (ROE) of 2.8%, Atmos Energy Corp. demonstrates mixed fundamentals in the Utilities sector. Below is our complete ATO stock analysis for 2026.

Is Atmos Energy Corp. (ATO) a Good Investment?

Claude

Atmos Energy demonstrates solid operational profitability with strong margins (38.3% operating margin) and consistent revenue growth (+12.9% YoY), but fundamental concerns about cash flow generation and capital intensity limit investment enthusiasm. The company's negative free cash flow of -$725.3M combined with high capital expenditure relative to operating cash flow raises questions about sustainable dividend capacity and financial flexibility.

ChatGPT

Atmos Energy shows solid top-line growth, resilient regulated-utility profitability, and manageable leverage, supported by steady operating cash generation and adequate liquidity. However, flat net income, very low ROE/ROA, and deeply negative free cash flow driven by heavy capital spending weaken overall growth quality and limit fundamental upside until those investments translate into stronger earnings and cash returns.

Why Buy Atmos Energy Corp. Stock? ATO Key Strengths

Claude
  • + Strong operating margins of 38.3% indicating efficient utility operations
  • + Consistent revenue growth of 12.9% YoY with net income stability
  • + Reasonable leverage at 0.67x debt-to-equity with 4.8x interest coverage
  • + Solid cash position of $367M providing operational cushion
ChatGPT
  • + Revenue growth remained healthy at 12.9% year over year with diluted EPS up 9.2%
  • + Profitability is stable for a regulated utility, with strong reported gross, operating, and net margins
  • + Balance sheet risk appears manageable with 0.67x debt-to-equity, 1.13x current ratio, and 4.8x interest coverage

ATO Stock Risks: Atmos Energy Corp. Investment Risks

Claude
  • ! Severe negative free cash flow of -$725.3M with FCF margin of -54%, unsustainable for long-term growth
  • ! Capital expenditure of $1.0B significantly exceeds operating cash flow of $308.1M, suggesting dependency on external financing
  • ! Low ROE of 2.8% and ROA of 1.4% indicate poor capital efficiency despite high profitability ratios
  • ! High capital intensity in utility sector creates ongoing refinancing requirements and cash flow pressure
ChatGPT
  • ! Net income was flat year over year despite higher revenue, suggesting limited operating leverage or rising cost pressure
  • ! Free cash flow was sharply negative at -$725.29M because capital expenditures materially exceeded operating cash flow
  • ! Returns on capital are weak, with ROE of 2.8% and ROA of 1.4%, indicating modest earnings efficiency relative to the asset base

Key Metrics to Watch

Claude
  • * Free cash flow trend and sustainability relative to capital investment plans
  • * Operating cash flow growth trajectory and ability to fund capex internally
  • * Debt levels and refinancing activity given negative FCF generation
  • * Return on equity improvement as capital investments mature
ChatGPT
  • * Free cash flow improvement relative to capital expenditures
  • * Net income and ROE expansion as infrastructure investments are absorbed

Atmos Energy Corp. (ATO) Financial Metrics & Key Ratios

Revenue
$1.3B
Net Income
$403.0M
EPS (Diluted)
$2.44
Free Cash Flow
$-725.3M
Total Assets
$29.8B
Cash Position
$367.0M

💡 AI Analyst Insight

Atmos Energy Corp. presents a mixed fundamental picture. Review the detailed metrics above to form your own investment thesis.

ATO Profit Margin, ROE & Profitability Analysis

Gross Margin 34.9%
Operating Margin 38.3%
Net Margin 30.0%
ROE 2.8%
ROA 1.4%
FCF Margin -54.0%

ATO vs Utilities Sector: How Atmos Energy Corp. Compares

How Atmos Energy Corp. compares to Utilities sector averages

Net Margin
ATO 30.0%
vs
Sector Avg 12.0%
ATO Sector
ROE
ATO 2.8%
vs
Sector Avg 10.0%
ATO Sector
Current Ratio
ATO 1.1x
vs
Sector Avg 0.8x
ATO Sector
Debt/Equity
ATO 0.7x
vs
Sector Avg 1.4x
ATO Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Atmos Energy Corp. Stock Overvalued? ATO Valuation Analysis 2026

Based on fundamental analysis, Atmos Energy Corp. has mixed fundamental signals relative to the Utilities sector in 2026.

Return on Equity
2.8%
Sector avg: 10%
Net Profit Margin
30.0%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.67x
Sector avg: 1.4x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Atmos Energy Corp. Balance Sheet: ATO Debt, Cash & Liquidity

Current Ratio
1.13x
Quick Ratio
1.13x
Debt/Equity
0.67x
Debt/Assets
0.0%
Interest Coverage
4.80x
Long-term Debt
$9.5B

ATO Revenue & Earnings Growth: 5-Year Financial Trend

ATO 5-year financial data: Year 2021: Revenue $3.4B, Net Income $511.4M, EPS $4.35. Year 2022: Revenue $4.2B, Net Income $601.4M, EPS $4.89. Year 2023: Revenue $4.3B, Net Income $665.6M, EPS $5.12. Year 2024: Revenue $4.3B, Net Income $774.4M, EPS $5.60. Year 2025: Revenue $4.7B, Net Income $885.9M, EPS $6.10.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Atmos Energy Corp.'s revenue has grown significantly by 38% over the 5-year period, indicating strong business expansion. The most recent EPS of $6.10 reflects profitable operations.

ATO Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
-54.0%
Free cash flow / Revenue

ATO Quarterly Earnings & Performance

Quarterly financial performance data for Atmos Energy Corp. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q1 2026 $1.2B $351.9M $2.23
Q3 2025 $701.5M $165.6M $1.08
Q2 2025 $1.6B $311.3M $2.85
Q1 2025 $1.2B $311.3M $2.08
Q3 2024 $662.7M $137.8M $0.94
Q2 2024 $1.5B $271.9M $2.48
Q1 2024 $1.2B $271.9M $1.91
Q3 2023 $662.7M $128.5M $0.92

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Atmos Energy Corp. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$308.1M
Cash generated from operations
Capital Expenditures
$1.0B
Investment in assets
Dividends Paid
$160.4M
Returned to shareholders

ATO SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Atmos Energy Corp. (CIK: 0000731802)

📋 Recent SEC Filings

Date Form Document Action
Apr 2, 2026 4 xslF345X06/form4.xml View →
Apr 2, 2026 4 xslF345X06/form4.xml View →
Mar 30, 2026 8-K d125285d8k.htm View →
Mar 10, 2026 4 xslF345X05/form4.xml View →
Mar 10, 2026 4 xslF345X05/form4.xml View →

Frequently Asked Questions about ATO

What is the AI rating for ATO?

Atmos Energy Corp. (ATO) has a Combined AI Rating of HOLD from Claude (HOLD) and ChatGPT (HOLD) with 72% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are ATO's key strengths?

Claude: Strong operating margins of 38.3% indicating efficient utility operations. Consistent revenue growth of 12.9% YoY with net income stability. ChatGPT: Revenue growth remained healthy at 12.9% year over year with diluted EPS up 9.2%. Profitability is stable for a regulated utility, with strong reported gross, operating, and net margins.

What are the risks of investing in ATO?

Claude: Severe negative free cash flow of -$725.3M with FCF margin of -54%, unsustainable for long-term growth. Capital expenditure of $1.0B significantly exceeds operating cash flow of $308.1M, suggesting dependency on external financing. ChatGPT: Net income was flat year over year despite higher revenue, suggesting limited operating leverage or rising cost pressure. Free cash flow was sharply negative at -$725.29M because capital expenditures materially exceeded operating cash flow.

What is ATO's revenue and growth?

Atmos Energy Corp. reported revenue of $1.3B.

Does ATO pay dividends?

Atmos Energy Corp. pays dividends, with $160.4M distributed to shareholders in the trailing twelve months.

Where can I find ATO SEC filings?

Official SEC filings for Atmos Energy Corp. (CIK: 0000731802) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is ATO's EPS?

Atmos Energy Corp. has a diluted EPS of $2.44.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is ATO a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Atmos Energy Corp. has a HOLD rating with 72% confidence. Review the strengths and risks sections above before making a decision. This is not investment advice.

Is ATO stock overvalued or undervalued?

Valuation metrics for ATO: ROE of 2.8% (sector avg: 10%), net margin of 30.0% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

Should I buy ATO stock in 2026?

Our dual AI analysis gives Atmos Energy Corp. a combined HOLD rating for 2026. Revenue is data pending, with profitability above sector average. Always conduct your own research.

What is ATO's free cash flow?

Atmos Energy Corp.'s operating cash flow is $308.1M, with capital expenditures of $1.0B. FCF margin is -54.0%.

How does ATO compare to other Utilities stocks?

Vs Utilities sector averages: Net margin 30.0% (avg: 12%), ROE 2.8% (avg: 10%), current ratio 1.13 (avg: 0.8).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Mar 20, 2026 | Data as of: 2025-12-31 | Powered by Claude AI