Is ATO or SRE cheaper?

On trailing earnings, ATO is cheaper: ATO trades at a 20.91 P/E and SRE at 29.49.

Which has grown faster, ATO or SRE?

Over the past five years, ATO grew revenue faster — ATO at a 8.80% CAGR versus SRE at 3.09%.

Does ATO or SRE pay a bigger dividend?

ATO yields 2.28% and SRE yields 2.81% based on trailing dividends and the latest price.

Is ATO or SRE more profitable?

ATO runs the higher net margin — ATO at 27.58% versus SRE at 15.21%.

Which has been the better investment, ATO or SRE?

Over the past 10-year, ATO delivered the higher annualized total return — ATO at 10.97% versus SRE at 8.73%. Past performance doesn't predict future results.

Atmos Energy Corporation (ATO) vs Sempra (SRE)

ATO leads on 9 of 14 compared metrics.

A side-by-side comparison of Atmos Energy Corporation and Sempra across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 15, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

ATO

Atmos Energy Corporation

Total return — ATO vs SRE

growth of $100 · last 30y

ATO +593.7%SRE +927.7%SRE compounded faster

ATO SRE

ATO vs SRE: by the numbers

•SRE is the larger company ($60.33B vs $28.37B market cap).
•ATO trades at the lower earnings multiple (20.91 vs 29.49 P/E).
•ATO converts more revenue to profit (27.58% vs 15.21% net margin).
•ATO grew revenue faster over the past five years (8.80% vs 3.09% CAGR).
•SRE pays the higher dividend yield (2.81% vs 2.28%).

Which is better, ATO or SRE?

Metric tally: ATO 9 · SRE 5

It depends on what you're optimizing for:

ValueATO(lower P/E)

GrowthATO(faster 5Y revenue CAGR)

IncomeSRE(higher dividend yield)

QualityATO(higher ROIC)

Metrics side by side

Valuation

Metric	ATO	SRE
P/E ratio	20.91●	29.49
Forward P/E	18.97	16.72●
P/S ratio	5.84	4.43●
P/B ratio	1.91	1.87●
PEG ratio	2.18	—
EV / EBITDA	14.73	14.44

Profitability

Metric	ATO	SRE
Gross margin	51.43%●	30.61%
Operating margin	35.87%●	25.03%
Net margin	27.58%●	15.21%
ROE	9.03%●	6.42%
ROIC	4.58%●	2.56%

Dividends

Metric	ATO	SRE
Dividend yield	2.28%	2.81%●
Payout ratio	51.33%	94.27%

Growth (annualized)

Metric	ATO	SRE
Revenue CAGR (5Y)	8.80%●	3.09%
EPS CAGR (5Y)	9.05%●	-15.72%
FCF CAGR (5Y)	19.32%	56.37%●
Total return CAGR (5Y)	13.57%●	8.73%

Frequently asked

Which is better, ATO or SRE?: It depends on your goal. value: ATO (lower P/E); growth: ATO (faster 5Y revenue CAGR); income: SRE (higher dividend yield); quality: ATO (higher ROIC). Across all compared metrics, ATO leads 9 to 5.
Is ATO or SRE cheaper?: On trailing earnings, ATO is cheaper: ATO trades at a 20.91 P/E and SRE at 29.49.
Which has grown faster, ATO or SRE?: Over the past five years, ATO grew revenue faster — ATO at a 8.80% CAGR versus SRE at 3.09%.
Does ATO or SRE pay a bigger dividend?: ATO yields 2.28% and SRE yields 2.81% based on trailing dividends and the latest price.
Is ATO or SRE more profitable?: ATO runs the higher net margin — ATO at 27.58% versus SRE at 15.21%.
Which has been the better investment, ATO or SRE?: Over the past 10-year, ATO delivered the higher annualized total return — ATO at 10.97% versus SRE at 8.73%. Past performance doesn't predict future results.

Go deeper

Full ATO analysis Full SRE analysis Interactive comparison tool

Dig into the metrics

Atmos Energy P/E ratio Sempra P/E ratio Atmos Energy dividend yield Sempra dividend yield Atmos Energy ROE Sempra ROE Atmos Energy operating margin Sempra operating margin Atmos Energy revenue growth Sempra revenue growth Atmos Energy free cash flow Sempra free cash flow

Atmos Energy & Sempra appear in these rankings

Highest Dividend Yield Stocks Dividend Aristocrats Highest Operating Margin Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified June 15, 2026.