vs

Side-by-side financial comparison of Atmos Energy (ATO) and Realty Income (O). Click either name above to swap in a different company.

Realty Income is the larger business by last-quarter revenue ($1.5B vs $1.3B, roughly 1.1× Atmos Energy). Atmos Energy runs the higher net margin — 30.0% vs 19.9%, a 10.1% gap on every dollar of revenue. On growth, Atmos Energy posted the faster year-over-year revenue change (14.2% vs 11.0%). Realty Income produced more free cash flow last quarter ($1.2B vs $-725.3M). Over the past eight quarters, Realty Income's revenue compounded faster (8.6% CAGR vs -9.7%).

Atmos Energy Corporation, headquartered in Dallas, Texas, is one of the United States' largest natural-gas-only distributors, serving about three million natural gas distribution customers in over 1,400 communities in nine states from the Blue Ridge Mountains in the East to the Rocky Mountains in the West.

Realty Income Corporation is a real estate investment trust that invests in free-standing, single-tenant commercial properties in the United States, the United Kingdom, and six other countries in Europe. These properties are subject to NNN Leases. The company is organized in Maryland with its headquarters in San Diego, California.

ATO vs O — Head-to-Head

Bigger by revenue
O
O
1.1× larger
O
$1.5B
$1.3B
ATO
Growing faster (revenue YoY)
ATO
ATO
+3.1% gap
ATO
14.2%
11.0%
O
Higher net margin
ATO
ATO
10.1% more per $
ATO
30.0%
19.9%
O
More free cash flow
O
O
$1.9B more FCF
O
$1.2B
$-725.3M
ATO
Faster 2-yr revenue CAGR
O
O
Annualised
O
8.6%
-9.7%
ATO

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ATO
ATO
O
O
Revenue
$1.3B
$1.5B
Net Profit
$403.0M
$296.1M
Gross Margin
Operating Margin
38.3%
21.7%
Net Margin
30.0%
19.9%
Revenue YoY
14.2%
11.0%
Net Profit YoY
14.5%
48.3%
EPS (diluted)
$2.44
$0.32

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ATO
ATO
O
O
Q4 25
$1.3B
$1.5B
Q3 25
$737.5M
$1.5B
Q2 25
$838.8M
$1.4B
Q1 25
$2.0B
$1.4B
Q4 24
$1.2B
$1.3B
Q3 24
$657.9M
$1.3B
Q2 24
$701.5M
$1.3B
Q1 24
$1.6B
$1.3B
Net Profit
ATO
ATO
O
O
Q4 25
$403.0M
$296.1M
Q3 25
$174.9M
$315.8M
Q2 25
$186.4M
$196.9M
Q1 25
$485.6M
$249.8M
Q4 24
$351.9M
$199.6M
Q3 24
$134.0M
$269.5M
Q2 24
$165.6M
$259.4M
Q1 24
$432.0M
$132.3M
Gross Margin
ATO
ATO
O
O
Q4 25
Q3 25
Q2 25
Q1 25
60.0%
Q4 24
80.1%
Q3 24
Q2 24
Q1 24
62.1%
Operating Margin
ATO
ATO
O
O
Q4 25
38.3%
21.7%
Q3 25
29.8%
23.2%
Q2 25
30.1%
15.8%
Q1 25
32.2%
19.3%
Q4 24
39.1%
16.5%
Q3 24
28.1%
21.5%
Q2 24
31.4%
20.7%
Q1 24
33.4%
11.9%
Net Margin
ATO
ATO
O
O
Q4 25
30.0%
19.9%
Q3 25
23.7%
21.5%
Q2 25
22.2%
14.0%
Q1 25
24.9%
18.1%
Q4 24
29.9%
14.9%
Q3 24
20.4%
20.2%
Q2 24
23.6%
19.4%
Q1 24
26.2%
10.5%
EPS (diluted)
ATO
ATO
O
O
Q4 25
$2.44
$0.32
Q3 25
$1.04
$0.35
Q2 25
$1.16
$0.22
Q1 25
$3.03
$0.28
Q4 24
$2.23
$0.23
Q3 24
$0.82
$0.30
Q2 24
$1.08
$0.29
Q1 24
$2.85
$0.16

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ATO
ATO
O
O
Cash + ST InvestmentsLiquidity on hand
$367.0M
$434.8M
Total DebtLower is stronger
$9.6B
Stockholders' EquityBook value
$14.3B
$39.4B
Total Assets
$29.8B
$72.8B
Debt / EquityLower = less leverage
0.67×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATO
ATO
O
O
Q4 25
$367.0M
$434.8M
Q3 25
$202.7M
$417.2M
Q2 25
$709.4M
$800.4M
Q1 25
$543.5M
$319.0M
Q4 24
$584.5M
$445.0M
Q3 24
$307.3M
$397.0M
Q2 24
$674.6M
$442.8M
Q1 24
$262.5M
$680.2M
Total Debt
ATO
ATO
O
O
Q4 25
$9.6B
Q3 25
$8.9B
Q2 25
$8.9B
Q1 25
$8.4B
Q4 24
$8.4B
Q3 24
$7.8B
Q2 24
$7.8B
Q1 24
$7.4B
Stockholders' Equity
ATO
ATO
O
O
Q4 25
$14.3B
$39.4B
Q3 25
$13.6B
$39.1B
Q2 25
$13.4B
$39.2B
Q1 25
$13.1B
$39.0B
Q4 24
$12.8B
$38.8B
Q3 24
$12.2B
$38.5B
Q2 24
$12.2B
$38.6B
Q1 24
$11.6B
$39.0B
Total Assets
ATO
ATO
O
O
Q4 25
$29.8B
$72.8B
Q3 25
$28.2B
$71.3B
Q2 25
$27.7B
$71.4B
Q1 25
$27.0B
$69.8B
Q4 24
$26.5B
$68.8B
Q3 24
$25.2B
$68.5B
Q2 24
$24.9B
$68.1B
Q1 24
$24.0B
$68.3B
Debt / Equity
ATO
ATO
O
O
Q4 25
0.67×
Q3 25
0.66×
Q2 25
0.67×
Q1 25
0.64×
Q4 24
0.66×
Q3 24
0.64×
Q2 24
0.64×
Q1 24
0.64×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ATO
ATO
O
O
Operating Cash FlowLast quarter
$308.1M
$1.2B
Free Cash FlowOCF − Capex
$-725.3M
$1.2B
FCF MarginFCF / Revenue
-54.0%
77.6%
Capex IntensityCapex / Revenue
77.0%
3.3%
Cash ConversionOCF / Net Profit
0.76×
4.06×
TTM Free Cash FlowTrailing 4 quarters
$-1.6B
$3.9B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATO
ATO
O
O
Q4 25
$308.1M
$1.2B
Q3 25
$348.1M
$943.1M
Q2 25
$496.4M
$1.1B
Q1 25
$922.9M
$787.5M
Q4 24
$282.0M
$972.0M
Q3 24
$330.7M
$841.5M
Q2 24
$411.2M
$981.2M
Q1 24
$746.6M
$778.7M
Free Cash Flow
ATO
ATO
O
O
Q4 25
$-725.3M
$1.2B
Q3 25
$-615.5M
$909.9M
Q2 25
$-370.6M
$1.0B
Q1 25
$83.3M
$764.6M
Q4 24
$-609.2M
$935.8M
Q3 24
$-477.3M
$807.9M
Q2 24
$-302.4M
$939.2M
Q1 24
$100.7M
$769.0M
FCF Margin
ATO
ATO
O
O
Q4 25
-54.0%
77.6%
Q3 25
-83.5%
61.9%
Q2 25
-44.2%
73.3%
Q1 25
4.3%
55.4%
Q4 24
-51.8%
69.8%
Q3 24
-72.5%
60.7%
Q2 24
-43.1%
70.1%
Q1 24
6.1%
61.0%
Capex Intensity
ATO
ATO
O
O
Q4 25
77.0%
3.3%
Q3 25
130.7%
2.3%
Q2 25
103.4%
1.9%
Q1 25
43.0%
1.7%
Q4 24
75.8%
2.7%
Q3 24
122.8%
2.5%
Q2 24
101.7%
3.1%
Q1 24
39.2%
0.8%
Cash Conversion
ATO
ATO
O
O
Q4 25
0.76×
4.06×
Q3 25
1.99×
2.99×
Q2 25
2.66×
5.39×
Q1 25
1.90×
3.15×
Q4 24
0.80×
4.87×
Q3 24
2.47×
3.12×
Q2 24
2.48×
3.78×
Q1 24
1.73×
5.89×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ATO
ATO

Distribution Segment$1.3B94%
Transportation Revenue$41.5M3%
Other$39.4M3%
Miscellaneous Revenue$2.8M0%

O
O

Product And Service Retail$900.8M61%
Other$531.5M36%

Related Comparisons