vs

Side-by-side financial comparison of Atmos Energy (ATO) and SELECT MEDICAL HOLDINGS CORP (SEM). Click either name above to swap in a different company.

SELECT MEDICAL HOLDINGS CORP is the larger business by last-quarter revenue ($1.4B vs $1.3B, roughly 1.1× Atmos Energy). Atmos Energy runs the higher net margin — 30.0% vs 4.5%, a 25.5% gap on every dollar of revenue. On growth, Atmos Energy posted the faster year-over-year revenue change (14.2% vs 5.0%). Over the past eight quarters, SELECT MEDICAL HOLDINGS CORP's revenue compounded faster (5.3% 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.

Select Medical is a healthcare company based in Pennsylvania. It owns long-term acute care and inpatient rehabilitation hospitals, as well as occupational health and physical therapy clinics. Select Medical is a subsidiary of Select Medical Holdings, which is listed on the New York Stock Exchange.

ATO vs SEM — Head-to-Head

Bigger by revenue
SEM
SEM
1.1× larger
SEM
$1.4B
$1.3B
ATO
Growing faster (revenue YoY)
ATO
ATO
+9.1% gap
ATO
14.2%
5.0%
SEM
Higher net margin
ATO
ATO
25.5% more per $
ATO
30.0%
4.5%
SEM
Faster 2-yr revenue CAGR
SEM
SEM
Annualised
SEM
5.3%
-9.7%
ATO

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
ATO
ATO
SEM
SEM
Revenue
$1.3B
$1.4B
Net Profit
$403.0M
$63.8M
Gross Margin
Operating Margin
38.3%
6.9%
Net Margin
30.0%
4.5%
Revenue YoY
14.2%
5.0%
Net Profit YoY
14.5%
-14.7%
EPS (diluted)
$2.44
$0.35

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
SEM
SEM
Q1 26
$1.4B
Q4 25
$1.3B
$1.4B
Q3 25
$737.5M
$1.4B
Q2 25
$838.8M
$1.3B
Q1 25
$2.0B
$1.4B
Q4 24
$1.2B
$1.3B
Q3 24
$657.9M
$1.3B
Q2 24
$701.5M
$1.3B
Net Profit
ATO
ATO
SEM
SEM
Q1 26
$63.8M
Q4 25
$403.0M
$20.2M
Q3 25
$174.9M
$28.8M
Q2 25
$186.4M
$40.6M
Q1 25
$485.6M
$56.7M
Q4 24
$351.9M
$-16.1M
Q3 24
$134.0M
$55.6M
Q2 24
$165.6M
$77.6M
Gross Margin
ATO
ATO
SEM
SEM
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
60.0%
Q4 24
80.1%
Q3 24
Q2 24
Operating Margin
ATO
ATO
SEM
SEM
Q1 26
6.9%
Q4 25
38.3%
4.6%
Q3 25
29.8%
5.4%
Q2 25
30.1%
6.5%
Q1 25
32.2%
8.3%
Q4 24
39.1%
1.6%
Q3 24
28.1%
4.3%
Q2 24
31.4%
5.8%
Net Margin
ATO
ATO
SEM
SEM
Q1 26
4.5%
Q4 25
30.0%
1.4%
Q3 25
23.7%
2.1%
Q2 25
22.2%
3.0%
Q1 25
24.9%
4.2%
Q4 24
29.9%
-1.2%
Q3 24
20.4%
4.4%
Q2 24
23.6%
6.1%
EPS (diluted)
ATO
ATO
SEM
SEM
Q1 26
$0.35
Q4 25
$2.44
$0.17
Q3 25
$1.04
$0.23
Q2 25
$1.16
$0.32
Q1 25
$3.03
$0.44
Q4 24
$2.23
$-0.12
Q3 24
$0.82
$0.43
Q2 24
$1.08
$0.60

Balance Sheet & Financial Strength

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

Metric
ATO
ATO
SEM
SEM
Cash + ST InvestmentsLiquidity on hand
$367.0M
$25.7M
Total DebtLower is stronger
$9.6B
$1.8B
Stockholders' EquityBook value
$14.3B
$2.1B
Total Assets
$29.8B
$6.0B
Debt / EquityLower = less leverage
0.67×
0.88×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATO
ATO
SEM
SEM
Q1 26
$25.7M
Q4 25
$367.0M
$26.5M
Q3 25
$202.7M
$60.1M
Q2 25
$709.4M
$52.3M
Q1 25
$543.5M
$53.2M
Q4 24
$584.5M
$59.7M
Q3 24
$307.3M
$191.5M
Q2 24
$674.6M
$111.2M
Total Debt
ATO
ATO
SEM
SEM
Q1 26
$1.8B
Q4 25
$9.6B
$1.8B
Q3 25
$8.9B
$1.7B
Q2 25
$8.9B
$1.8B
Q1 25
$8.4B
$1.8B
Q4 24
$8.4B
$1.7B
Q3 24
$7.8B
$3.1B
Q2 24
$7.8B
$3.6B
Stockholders' Equity
ATO
ATO
SEM
SEM
Q1 26
$2.1B
Q4 25
$14.3B
$1.7B
Q3 25
$13.6B
$1.7B
Q2 25
$13.4B
$1.7B
Q1 25
$13.1B
$1.7B
Q4 24
$12.8B
$1.7B
Q3 24
$12.2B
$1.9B
Q2 24
$12.2B
$1.4B
Total Assets
ATO
ATO
SEM
SEM
Q1 26
$6.0B
Q4 25
$29.8B
$5.9B
Q3 25
$28.2B
$5.7B
Q2 25
$27.7B
$5.7B
Q1 25
$27.0B
$5.7B
Q4 24
$26.5B
$5.6B
Q3 24
$25.2B
$8.0B
Q2 24
$24.9B
$7.9B
Debt / Equity
ATO
ATO
SEM
SEM
Q1 26
0.88×
Q4 25
0.67×
1.06×
Q3 25
0.66×
1.03×
Q2 25
0.67×
1.10×
Q1 25
0.64×
1.03×
Q4 24
0.66×
1.01×
Q3 24
0.64×
1.62×
Q2 24
0.64×
2.54×

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
SEM
SEM
Operating Cash FlowLast quarter
$308.1M
Free Cash FlowOCF − Capex
$-725.3M
FCF MarginFCF / Revenue
-54.0%
Capex IntensityCapex / Revenue
77.0%
Cash ConversionOCF / Net Profit
0.76×
TTM Free Cash FlowTrailing 4 quarters
$-1.6B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATO
ATO
SEM
SEM
Q1 26
Q4 25
$308.1M
$64.3M
Q3 25
$348.1M
$175.3M
Q2 25
$496.4M
$110.3M
Q1 25
$922.9M
$-3.5M
Q4 24
$282.0M
$125.4M
Q3 24
$330.7M
$181.0M
Q2 24
$411.2M
$278.2M
Free Cash Flow
ATO
ATO
SEM
SEM
Q1 26
Q4 25
$-725.3M
$5.2M
Q3 25
$-615.5M
$122.2M
Q2 25
$-370.6M
$45.6M
Q1 25
$83.3M
$-55.8M
Q4 24
$-609.2M
$62.0M
Q3 24
$-477.3M
$130.3M
Q2 24
$-302.4M
$222.6M
FCF Margin
ATO
ATO
SEM
SEM
Q1 26
Q4 25
-54.0%
0.4%
Q3 25
-83.5%
9.0%
Q2 25
-44.2%
3.4%
Q1 25
4.3%
-4.1%
Q4 24
-51.8%
4.7%
Q3 24
-72.5%
10.2%
Q2 24
-43.1%
17.4%
Capex Intensity
ATO
ATO
SEM
SEM
Q1 26
Q4 25
77.0%
4.2%
Q3 25
130.7%
3.9%
Q2 25
103.4%
4.8%
Q1 25
43.0%
3.9%
Q4 24
75.8%
4.8%
Q3 24
122.8%
4.0%
Q2 24
101.7%
4.3%
Cash Conversion
ATO
ATO
SEM
SEM
Q1 26
Q4 25
0.76×
3.19×
Q3 25
1.99×
6.09×
Q2 25
2.66×
2.72×
Q1 25
1.90×
-0.06×
Q4 24
0.80×
Q3 24
2.47×
3.25×
Q2 24
2.48×
3.59×

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%

SEM
SEM

Segment breakdown not available.

Related Comparisons