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

WATSCO INC is the larger business by last-quarter revenue ($1.5B vs $994.2M, roughly 1.5× Charles River Laboratories). WATSCO INC runs the higher net margin — 6.1% vs -27.8%, a 33.9% gap on every dollar of revenue. On growth, WATSCO INC posted the faster year-over-year revenue change (0.1% vs -0.8%). Over the past eight quarters, Charles River Laboratories's revenue compounded faster (-0.9% CAGR vs -15.3%).

Charles River Laboratories International, Inc. is an American pharmaceutical and biotechnology contract research organisation (CRO) headquartered in Wilmington, Massachusetts, United States. Founded in 1947, the company provides preclinical and clinical laboratory services for the development of new drugs, vaccines, and medical devices.

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.

CRL vs WSO — Head-to-Head

Bigger by revenue
WSO
WSO
1.5× larger
WSO
$1.5B
$994.2M
CRL
Growing faster (revenue YoY)
WSO
WSO
+1.0% gap
WSO
0.1%
-0.8%
CRL
Higher net margin
WSO
WSO
33.9% more per $
WSO
6.1%
-27.8%
CRL
Faster 2-yr revenue CAGR
CRL
CRL
Annualised
CRL
-0.9%
-15.3%
WSO

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CRL
CRL
WSO
WSO
Revenue
$994.2M
$1.5B
Net Profit
$-276.6M
$92.9M
Gross Margin
27.9%
Operating Margin
-28.5%
7.2%
Net Margin
-27.8%
6.1%
Revenue YoY
-0.8%
0.1%
Net Profit YoY
-28.9%
-1.7%
EPS (diluted)
$-5.57

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
CRL
CRL
WSO
WSO
Q1 26
$1.5B
Q4 25
$994.2M
$1.6B
Q3 25
$1.0B
$2.1B
Q2 25
$1.0B
$2.1B
Q1 25
$984.2M
$1.5B
Q4 24
$1.0B
$1.8B
Q3 24
$1.0B
$2.2B
Q2 24
$1.0B
$2.1B
Net Profit
CRL
CRL
WSO
WSO
Q1 26
$92.9M
Q4 25
$-276.6M
$71.7M
Q3 25
$54.4M
$161.6M
Q2 25
$52.3M
$183.6M
Q1 25
$25.5M
$80.1M
Q4 24
$-214.5M
$96.8M
Q3 24
$69.7M
$171.0M
Q2 24
$94.1M
$181.4M
Gross Margin
CRL
CRL
WSO
WSO
Q1 26
27.9%
Q4 25
27.1%
Q3 25
27.5%
Q2 25
29.3%
Q1 25
28.1%
Q4 24
26.7%
Q3 24
34.6%
26.2%
Q2 24
34.5%
27.1%
Operating Margin
CRL
CRL
WSO
WSO
Q1 26
7.2%
Q4 25
-28.5%
6.4%
Q3 25
13.3%
11.4%
Q2 25
9.7%
13.2%
Q1 25
7.6%
7.3%
Q4 24
-16.7%
7.8%
Q3 24
11.6%
11.6%
Q2 24
14.8%
12.6%
Net Margin
CRL
CRL
WSO
WSO
Q1 26
6.1%
Q4 25
-27.8%
4.5%
Q3 25
5.4%
7.8%
Q2 25
5.1%
8.9%
Q1 25
2.6%
5.2%
Q4 24
-21.4%
5.5%
Q3 24
6.9%
7.9%
Q2 24
9.2%
8.5%
EPS (diluted)
CRL
CRL
WSO
WSO
Q1 26
Q4 25
$-5.57
$1.82
Q3 25
$1.10
$3.98
Q2 25
$1.06
$4.52
Q1 25
$0.50
$1.93
Q4 24
$-4.17
$2.42
Q3 24
$1.33
$4.22
Q2 24
$1.74
$4.49

Balance Sheet & Financial Strength

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

Metric
CRL
CRL
WSO
WSO
Cash + ST InvestmentsLiquidity on hand
$213.8M
$392.7M
Total DebtLower is stronger
$2.1B
Stockholders' EquityBook value
$3.2B
$3.2B
Total Assets
$7.1B
$4.6B
Debt / EquityLower = less leverage
0.68×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CRL
CRL
WSO
WSO
Q1 26
$392.7M
Q4 25
$213.8M
$733.3M
Q3 25
$207.1M
$524.3M
Q2 25
$182.8M
$293.0M
Q1 25
$229.4M
$431.8M
Q4 24
$194.6M
$781.9M
Q3 24
$210.2M
$550.0M
Q2 24
$179.2M
$424.9M
Total Debt
CRL
CRL
WSO
WSO
Q1 26
Q4 25
$2.1B
$361.6M
Q3 25
$2.2B
$340.8M
Q2 25
$2.3B
$338.7M
Q1 25
$2.5B
$346.4M
Q4 24
$2.2B
$337.2M
Q3 24
$2.3B
$321.0M
Q2 24
$2.4B
$307.1M
Stockholders' Equity
CRL
CRL
WSO
WSO
Q1 26
$3.2B
Q4 25
$3.2B
$2.8B
Q3 25
$3.4B
$2.8B
Q2 25
$3.4B
$2.8B
Q1 25
$3.2B
$2.7B
Q4 24
$3.5B
$2.7B
Q3 24
$3.8B
$2.7B
Q2 24
$3.7B
$2.6B
Total Assets
CRL
CRL
WSO
WSO
Q1 26
$4.6B
Q4 25
$7.1B
$4.4B
Q3 25
$7.5B
$4.6B
Q2 25
$7.6B
$4.7B
Q1 25
$7.6B
$4.5B
Q4 24
$7.5B
$4.5B
Q3 24
$8.0B
$4.5B
Q2 24
$7.9B
$4.4B
Debt / Equity
CRL
CRL
WSO
WSO
Q1 26
Q4 25
0.68×
0.13×
Q3 25
0.64×
0.12×
Q2 25
0.70×
0.12×
Q1 25
0.79×
0.13×
Q4 24
0.65×
0.13×
Q3 24
0.62×
0.12×
Q2 24
0.65×
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
CRL
CRL
WSO
WSO
Operating Cash FlowLast quarter
$147.5M
Free Cash FlowOCF − Capex
$58.6M
FCF MarginFCF / Revenue
5.9%
Capex IntensityCapex / Revenue
8.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$518.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CRL
CRL
WSO
WSO
Q1 26
Q4 25
$147.5M
$399.8M
Q3 25
$213.8M
$354.9M
Q2 25
$204.6M
$-7.4M
Q1 25
$171.7M
$-177.6M
Q4 24
$159.4M
$378.9M
Q3 24
$251.8M
$232.8M
Q2 24
$193.5M
$57.7M
Free Cash Flow
CRL
CRL
WSO
WSO
Q1 26
Q4 25
$58.6M
$388.5M
Q3 25
$178.2M
$346.1M
Q2 25
$169.3M
$-14.3M
Q1 25
$112.4M
$-185.2M
Q4 24
$83.7M
$370.9M
Q3 24
$213.1M
$223.0M
Q2 24
$154.0M
$51.3M
FCF Margin
CRL
CRL
WSO
WSO
Q1 26
Q4 25
5.9%
24.6%
Q3 25
17.7%
16.7%
Q2 25
16.4%
-0.7%
Q1 25
11.4%
-12.1%
Q4 24
8.4%
21.1%
Q3 24
21.1%
10.3%
Q2 24
15.0%
2.4%
Capex Intensity
CRL
CRL
WSO
WSO
Q1 26
Q4 25
8.9%
0.7%
Q3 25
3.5%
0.4%
Q2 25
3.4%
0.3%
Q1 25
6.0%
0.5%
Q4 24
7.5%
0.5%
Q3 24
3.8%
0.5%
Q2 24
3.8%
0.3%
Cash Conversion
CRL
CRL
WSO
WSO
Q1 26
Q4 25
5.57×
Q3 25
3.93×
2.20×
Q2 25
3.91×
-0.04×
Q1 25
6.74×
-2.22×
Q4 24
3.91×
Q3 24
3.61×
1.36×
Q2 24
2.06×
0.32×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CRL
CRL

Discovery And Safety Assessment Segment$591.6M60%
Manufacturing Support Segment$196.4M20%
Transferred At Point In Time$108.0M11%
Transferred Over Time$98.3M10%

WSO
WSO

Segment breakdown not available.

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