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

Charles River Laboratories is the larger business by last-quarter revenue ($994.2M vs $557.2M, roughly 1.8× CASELLA WASTE SYSTEMS INC). CASELLA WASTE SYSTEMS INC runs the higher net margin — -1.0% vs -27.8%, a 26.8% gap on every dollar of revenue. On growth, CASELLA WASTE SYSTEMS INC posted the faster year-over-year revenue change (9.6% vs -0.8%). Charles River Laboratories produced more free cash flow last quarter ($58.6M vs $30.7M). Over the past eight quarters, CASELLA WASTE SYSTEMS INC's revenue compounded faster (21.5% CAGR vs -0.9%).

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.

Casella Waste Systems, Inc. is a waste management company based in Rutland, Vermont, United States. Founded in 1975 with a single truck, Casella is a regional, vertically integrated solid waste services company. Casella provides resource management expertise and services to residential, commercial, municipal and industrial customers, primarily in the areas of solid waste collection and disposal, transfer, recycling and organics services. The company provides integrated solid waste services in...

CRL vs CWST — Head-to-Head

Bigger by revenue
CRL
CRL
1.8× larger
CRL
$994.2M
$557.2M
CWST
Growing faster (revenue YoY)
CWST
CWST
+10.5% gap
CWST
9.6%
-0.8%
CRL
Higher net margin
CWST
CWST
26.8% more per $
CWST
-1.0%
-27.8%
CRL
More free cash flow
CRL
CRL
$27.9M more FCF
CRL
$58.6M
$30.7M
CWST
Faster 2-yr revenue CAGR
CWST
CWST
Annualised
CWST
21.5%
-0.9%
CRL

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CRL
CRL
CWST
CWST
Revenue
$994.2M
$557.2M
Net Profit
$-276.6M
$-5.5M
Gross Margin
Operating Margin
-28.5%
0.9%
Net Margin
-27.8%
-1.0%
Revenue YoY
-0.8%
9.6%
Net Profit YoY
-28.9%
-15.2%
EPS (diluted)
$-5.57
$-0.09

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
CWST
CWST
Q1 26
$557.2M
Q4 25
$994.2M
$469.1M
Q3 25
$1.0B
$485.4M
Q2 25
$1.0B
$465.3M
Q1 25
$984.2M
$417.1M
Q4 24
$1.0B
$427.5M
Q3 24
$1.0B
$411.6M
Q2 24
$1.0B
$377.2M
Net Profit
CRL
CRL
CWST
CWST
Q1 26
$-5.5M
Q4 25
$-276.6M
$-2.5M
Q3 25
$54.4M
$10.0M
Q2 25
$52.3M
$5.2M
Q1 25
$25.5M
$-4.8M
Q4 24
$-214.5M
$4.9M
Q3 24
$69.7M
$5.8M
Q2 24
$94.1M
$7.0M
Gross Margin
CRL
CRL
CWST
CWST
Q1 26
Q4 25
33.3%
Q3 25
35.0%
Q2 25
33.8%
Q1 25
32.8%
Q4 24
33.2%
Q3 24
34.6%
35.1%
Q2 24
34.5%
35.4%
Operating Margin
CRL
CRL
CWST
CWST
Q1 26
0.9%
Q4 25
-28.5%
2.5%
Q3 25
13.3%
6.1%
Q2 25
9.7%
4.1%
Q1 25
7.6%
0.8%
Q4 24
-16.7%
4.3%
Q3 24
11.6%
5.9%
Q2 24
14.8%
6.1%
Net Margin
CRL
CRL
CWST
CWST
Q1 26
-1.0%
Q4 25
-27.8%
-0.5%
Q3 25
5.4%
2.1%
Q2 25
5.1%
1.1%
Q1 25
2.6%
-1.2%
Q4 24
-21.4%
1.1%
Q3 24
6.9%
1.4%
Q2 24
9.2%
1.9%
EPS (diluted)
CRL
CRL
CWST
CWST
Q1 26
$-0.09
Q4 25
$-5.57
$-0.04
Q3 25
$1.10
$0.16
Q2 25
$1.06
$0.08
Q1 25
$0.50
$-0.08
Q4 24
$-4.17
$0.08
Q3 24
$1.33
$0.10
Q2 24
$1.74
$0.12

Balance Sheet & Financial Strength

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

Metric
CRL
CRL
CWST
CWST
Cash + ST InvestmentsLiquidity on hand
$213.8M
$126.9M
Total DebtLower is stronger
$2.1B
Stockholders' EquityBook value
$3.2B
$1.6B
Total Assets
$7.1B
$3.3B
Debt / EquityLower = less leverage
0.68×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CRL
CRL
CWST
CWST
Q1 26
$126.9M
Q4 25
$213.8M
$123.8M
Q3 25
$207.1M
$192.7M
Q2 25
$182.8M
$217.8M
Q1 25
$229.4M
$267.7M
Q4 24
$194.6M
$358.3M
Q3 24
$210.2M
$519.0M
Q2 24
$179.2M
$208.5M
Total Debt
CRL
CRL
CWST
CWST
Q1 26
Q4 25
$2.1B
$1.1B
Q3 25
$2.2B
$1.1B
Q2 25
$2.3B
$1.1B
Q1 25
$2.5B
$1.1B
Q4 24
$2.2B
$1.1B
Q3 24
$2.3B
$1.0B
Q2 24
$2.4B
$976.6M
Stockholders' Equity
CRL
CRL
CWST
CWST
Q1 26
$1.6B
Q4 25
$3.2B
$1.6B
Q3 25
$3.4B
$1.6B
Q2 25
$3.4B
$1.6B
Q1 25
$3.2B
$1.5B
Q4 24
$3.5B
$1.6B
Q3 24
$3.8B
$1.5B
Q2 24
$3.7B
$1.0B
Total Assets
CRL
CRL
CWST
CWST
Q1 26
$3.3B
Q4 25
$7.1B
$3.3B
Q3 25
$7.5B
$3.3B
Q2 25
$7.6B
$3.3B
Q1 25
$7.6B
$3.2B
Q4 24
$7.5B
$3.2B
Q3 24
$8.0B
$3.1B
Q2 24
$7.9B
$2.5B
Debt / Equity
CRL
CRL
CWST
CWST
Q1 26
Q4 25
0.68×
0.72×
Q3 25
0.64×
0.72×
Q2 25
0.70×
0.72×
Q1 25
0.79×
0.72×
Q4 24
0.65×
0.70×
Q3 24
0.62×
0.68×
Q2 24
0.65×
0.94×

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
CWST
CWST
Operating Cash FlowLast quarter
$147.5M
$62.3M
Free Cash FlowOCF − Capex
$58.6M
$30.7M
FCF MarginFCF / Revenue
5.9%
5.5%
Capex IntensityCapex / Revenue
8.9%
9.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$518.5M
$120.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CRL
CRL
CWST
CWST
Q1 26
$62.3M
Q4 25
$147.5M
$96.6M
Q3 25
$213.8M
$93.6M
Q2 25
$204.6M
$89.5M
Q1 25
$171.7M
$50.1M
Q4 24
$159.4M
$109.8M
Q3 24
$251.8M
$91.8M
Q2 24
$193.5M
$72.1M
Free Cash Flow
CRL
CRL
CWST
CWST
Q1 26
$30.7M
Q4 25
$58.6M
$39.3M
Q3 25
$178.2M
$27.6M
Q2 25
$169.3M
$23.1M
Q1 25
$112.4M
$-5.4M
Q4 24
$83.7M
$32.9M
Q3 24
$213.1M
$40.4M
Q2 24
$154.0M
$27.5M
FCF Margin
CRL
CRL
CWST
CWST
Q1 26
5.5%
Q4 25
5.9%
8.4%
Q3 25
17.7%
5.7%
Q2 25
16.4%
5.0%
Q1 25
11.4%
-1.3%
Q4 24
8.4%
7.7%
Q3 24
21.1%
9.8%
Q2 24
15.0%
7.3%
Capex Intensity
CRL
CRL
CWST
CWST
Q1 26
9.0%
Q4 25
8.9%
12.2%
Q3 25
3.5%
13.6%
Q2 25
3.4%
14.3%
Q1 25
6.0%
13.3%
Q4 24
7.5%
18.0%
Q3 24
3.8%
12.5%
Q2 24
3.8%
11.8%
Cash Conversion
CRL
CRL
CWST
CWST
Q1 26
Q4 25
Q3 25
3.93×
9.37×
Q2 25
3.91×
17.19×
Q1 25
6.74×
Q4 24
22.51×
Q3 24
3.61×
15.91×
Q2 24
2.06×
10.29×

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%

CWST
CWST

Collection$334.8M60%
Transfer station$65.9M12%
Processing (ii)$49.0M9%
Landfill$48.0M9%
National Accounts (ii)$45.6M8%
Transportation$8.2M1%
Landfill gas-to-energy$2.9M1%

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