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Side-by-side financial comparison of Steris (STE) and WATSCO INC (WSO). Click either name above to swap in a different company.

WATSCO INC is the larger business by last-quarter revenue ($1.6B vs $1.5B, roughly 1.1× Steris). Steris runs the higher net margin — 12.9% vs 4.5%, a 8.3% gap on every dollar of revenue. On growth, Steris posted the faster year-over-year revenue change (9.2% vs -10.0%). WATSCO INC produced more free cash flow last quarter ($388.5M vs $199.5M). Over the past eight quarters, Steris's revenue compounded faster (15.8% CAGR vs 0.4%).

Steris plc is an American-Irish-based medical equipment company specializing in sterilization and surgical products for the US healthcare system. Steris is operationally headquartered in Mentor, Ohio, and has been legally registered in Dublin, Ireland, for tax purposes since 2018. Previously the company was registered in the United Kingdom from 2014 to 2018.

Watsco, Inc. is a distributor of air conditioning, heating and refrigeration equipment, and related parts and supplies (HVAC/R) in the United States. Watsco was founded more than 60 years ago as a manufacturer of parts, components, and tools used in the HVAC/R industry. In 1989, the company shifted from manufacturing to distribution, by acquiring Gemaire Distributors Inc., a South Florida-based Rheem distributor.

STE vs WSO — Head-to-Head

Bigger by revenue
WSO
WSO
1.1× larger
WSO
$1.6B
$1.5B
STE
Growing faster (revenue YoY)
STE
STE
+19.2% gap
STE
9.2%
-10.0%
WSO
Higher net margin
STE
STE
8.3% more per $
STE
12.9%
4.5%
WSO
More free cash flow
WSO
WSO
$189.0M more FCF
WSO
$388.5M
$199.5M
STE
Faster 2-yr revenue CAGR
STE
STE
Annualised
STE
15.8%
0.4%
WSO

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
STE
STE
WSO
WSO
Revenue
$1.5B
$1.6B
Net Profit
$192.9M
$71.7M
Gross Margin
43.8%
27.1%
Operating Margin
18.3%
6.4%
Net Margin
12.9%
4.5%
Revenue YoY
9.2%
-10.0%
Net Profit YoY
11.2%
-25.9%
EPS (diluted)
$1.96
$1.82

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
STE
STE
WSO
WSO
Q4 25
$1.5B
$1.6B
Q3 25
$1.5B
$2.1B
Q2 25
$1.4B
$2.1B
Q1 25
$1.5B
$1.5B
Q4 24
$1.4B
$1.8B
Q3 24
$1.3B
$2.2B
Q2 24
$1.3B
$2.1B
Q1 24
$1.1B
$1.6B
Net Profit
STE
STE
WSO
WSO
Q4 25
$192.9M
$71.7M
Q3 25
$191.9M
$161.6M
Q2 25
$177.4M
$183.6M
Q1 25
$145.7M
$80.1M
Q4 24
$173.5M
$96.8M
Q3 24
$150.0M
$171.0M
Q2 24
$145.4M
$181.4M
Q1 24
$-1.4M
$87.0M
Gross Margin
STE
STE
WSO
WSO
Q4 25
43.8%
27.1%
Q3 25
44.2%
27.5%
Q2 25
45.1%
29.3%
Q1 25
43.3%
28.1%
Q4 24
44.5%
26.7%
Q3 24
43.6%
26.2%
Q2 24
44.7%
27.1%
Q1 24
40.2%
27.5%
Operating Margin
STE
STE
WSO
WSO
Q4 25
18.3%
6.4%
Q3 25
18.2%
11.4%
Q2 25
17.7%
13.2%
Q1 25
14.6%
7.3%
Q4 24
17.9%
7.8%
Q3 24
16.5%
11.6%
Q2 24
14.5%
12.6%
Q1 24
22.0%
8.1%
Net Margin
STE
STE
WSO
WSO
Q4 25
12.9%
4.5%
Q3 25
13.1%
7.8%
Q2 25
12.8%
8.9%
Q1 25
9.8%
5.2%
Q4 24
12.7%
5.5%
Q3 24
11.3%
7.9%
Q2 24
11.4%
8.5%
Q1 24
-0.1%
5.6%
EPS (diluted)
STE
STE
WSO
WSO
Q4 25
$1.96
$1.82
Q3 25
$1.94
$3.98
Q2 25
$1.79
$4.52
Q1 25
$1.48
$1.93
Q4 24
$1.75
$2.42
Q3 24
$1.51
$4.22
Q2 24
$1.46
$4.49
Q1 24
$-0.02
$2.17

Balance Sheet & Financial Strength

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

Metric
STE
STE
WSO
WSO
Cash + ST InvestmentsLiquidity on hand
$423.7M
$733.3M
Total DebtLower is stronger
$1.9B
$361.6M
Stockholders' EquityBook value
$7.2B
$2.8B
Total Assets
$10.6B
$4.4B
Debt / EquityLower = less leverage
0.27×
0.13×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
STE
STE
WSO
WSO
Q4 25
$423.7M
$733.3M
Q3 25
$319.2M
$524.3M
Q2 25
$279.7M
$293.0M
Q1 25
$171.7M
$431.8M
Q4 24
$155.2M
$781.9M
Q3 24
$172.2M
$550.0M
Q2 24
$198.3M
$424.9M
Q1 24
$207.0M
$478.9M
Total Debt
STE
STE
WSO
WSO
Q4 25
$1.9B
$361.6M
Q3 25
$1.9B
$340.8M
Q2 25
$1.9B
$338.7M
Q1 25
$1.9B
$346.4M
Q4 24
$2.0B
$337.2M
Q3 24
$2.2B
$321.0M
Q2 24
$2.2B
$307.1M
Q1 24
$3.1B
$306.3M
Stockholders' Equity
STE
STE
WSO
WSO
Q4 25
$7.2B
$2.8B
Q3 25
$7.0B
$2.8B
Q2 25
$7.0B
$2.8B
Q1 25
$6.6B
$2.7B
Q4 24
$6.4B
$2.7B
Q3 24
$6.6B
$2.7B
Q2 24
$6.4B
$2.6B
Q1 24
$6.3B
$2.5B
Total Assets
STE
STE
WSO
WSO
Q4 25
$10.6B
$4.4B
Q3 25
$10.4B
$4.6B
Q2 25
$10.4B
$4.7B
Q1 25
$10.1B
$4.5B
Q4 24
$10.0B
$4.5B
Q3 24
$10.2B
$4.5B
Q2 24
$10.1B
$4.4B
Q1 24
$11.1B
$4.4B
Debt / Equity
STE
STE
WSO
WSO
Q4 25
0.27×
0.13×
Q3 25
0.27×
0.12×
Q2 25
0.27×
0.12×
Q1 25
0.29×
0.13×
Q4 24
0.32×
0.13×
Q3 24
0.33×
0.12×
Q2 24
0.35×
0.12×
Q1 24
0.50×
0.12×

Cash Flow & Capital Efficiency

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

Metric
STE
STE
WSO
WSO
Operating Cash FlowLast quarter
$298.2M
$399.8M
Free Cash FlowOCF − Capex
$199.5M
$388.5M
FCF MarginFCF / Revenue
13.3%
24.6%
Capex IntensityCapex / Revenue
6.6%
0.7%
Cash ConversionOCF / Net Profit
1.55×
5.57×
TTM Free Cash FlowTrailing 4 quarters
$917.1M
$535.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
STE
STE
WSO
WSO
Q4 25
$298.2M
$399.8M
Q3 25
$287.8M
$354.9M
Q2 25
$420.0M
$-7.4M
Q1 25
$260.8M
$-177.6M
Q4 24
$332.8M
$378.9M
Q3 24
$250.7M
$232.8M
Q2 24
$303.7M
$57.7M
Q1 24
$254.8M
$103.7M
Free Cash Flow
STE
STE
WSO
WSO
Q4 25
$199.5M
$388.5M
Q3 25
$201.3M
$346.1M
Q2 25
$326.4M
$-14.3M
Q1 25
$189.9M
$-185.2M
Q4 24
$243.6M
$370.9M
Q3 24
$148.8M
$223.0M
Q2 24
$195.7M
$51.3M
Q1 24
$163.3M
$97.9M
FCF Margin
STE
STE
WSO
WSO
Q4 25
13.3%
24.6%
Q3 25
13.8%
16.7%
Q2 25
23.5%
-0.7%
Q1 25
12.8%
-12.1%
Q4 24
17.8%
21.1%
Q3 24
11.2%
10.3%
Q2 24
15.3%
2.4%
Q1 24
14.6%
6.3%
Capex Intensity
STE
STE
WSO
WSO
Q4 25
6.6%
0.7%
Q3 25
5.9%
0.4%
Q2 25
6.7%
0.3%
Q1 25
4.8%
0.5%
Q4 24
6.5%
0.5%
Q3 24
7.7%
0.5%
Q2 24
8.4%
0.3%
Q1 24
8.2%
0.4%
Cash Conversion
STE
STE
WSO
WSO
Q4 25
1.55×
5.57×
Q3 25
1.50×
2.20×
Q2 25
2.37×
-0.04×
Q1 25
1.79×
-2.22×
Q4 24
1.92×
3.91×
Q3 24
1.67×
1.36×
Q2 24
2.09×
0.32×
Q1 24
1.19×

Financial Flow Comparison

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

Revenue Breakdown by Segment

STE
STE

Servicerevenues$404.7M27%
Consumablerevenues$387.1M26%
Applied Sterilization Technologies$286.6M19%
Capitalequipmentrevenues$272.1M18%
Life Science$145.8M10%

WSO
WSO

Segment breakdown not available.

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