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

Charles River Laboratories is the larger business by last-quarter revenue ($994.2M vs $625.1M, roughly 1.6× WATTS WATER TECHNOLOGIES INC). WATTS WATER TECHNOLOGIES INC runs the higher net margin — 13.4% vs -27.8%, a 41.2% gap on every dollar of revenue. On growth, WATTS WATER TECHNOLOGIES INC posted the faster year-over-year revenue change (15.7% vs -0.8%). WATTS WATER TECHNOLOGIES INC produced more free cash flow last quarter ($140.3M vs $58.6M). Over the past eight quarters, WATTS WATER TECHNOLOGIES INC's revenue compounded faster (4.6% 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.

AERCO International, Inc. is a manufacturer and supplier of commercial condensing boilers, high efficiency water heating equipment and energy recovery systems in the HVAC/plumbing industry across a variety of markets including education, lodging, government, office buildings, healthcare, industrial and multifamily housing. In 1949, AERCO introduced the industry's first semi-instantaneous, tankless steam-to-water water heater. In 1988, AERCO introduced the first condensing and fully modulating...

CRL vs WTS — Head-to-Head

Bigger by revenue
CRL
CRL
1.6× larger
CRL
$994.2M
$625.1M
WTS
Growing faster (revenue YoY)
WTS
WTS
+16.5% gap
WTS
15.7%
-0.8%
CRL
Higher net margin
WTS
WTS
41.2% more per $
WTS
13.4%
-27.8%
CRL
More free cash flow
WTS
WTS
$81.7M more FCF
WTS
$140.3M
$58.6M
CRL
Faster 2-yr revenue CAGR
WTS
WTS
Annualised
WTS
4.6%
-0.9%
CRL

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CRL
CRL
WTS
WTS
Revenue
$994.2M
$625.1M
Net Profit
$-276.6M
$83.7M
Gross Margin
49.5%
Operating Margin
-28.5%
18.2%
Net Margin
-27.8%
13.4%
Revenue YoY
-0.8%
15.7%
Net Profit YoY
-28.9%
24.0%
EPS (diluted)
$-5.57
$2.50

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
WTS
WTS
Q4 25
$994.2M
$625.1M
Q3 25
$1.0B
$611.7M
Q2 25
$1.0B
$643.7M
Q1 25
$984.2M
$558.0M
Q4 24
$1.0B
$540.4M
Q3 24
$1.0B
$543.6M
Q2 24
$1.0B
$597.3M
Q1 24
$1.0B
$570.9M
Net Profit
CRL
CRL
WTS
WTS
Q4 25
$-276.6M
$83.7M
Q3 25
$54.4M
$82.2M
Q2 25
$52.3M
$100.9M
Q1 25
$25.5M
$74.0M
Q4 24
$-214.5M
$67.5M
Q3 24
$69.7M
$69.1M
Q2 24
$94.1M
$82.0M
Q1 24
$73.0M
$72.6M
Gross Margin
CRL
CRL
WTS
WTS
Q4 25
49.5%
Q3 25
48.8%
Q2 25
50.6%
Q1 25
48.8%
Q4 24
46.7%
Q3 24
34.6%
47.3%
Q2 24
34.5%
47.7%
Q1 24
34.1%
46.9%
Operating Margin
CRL
CRL
WTS
WTS
Q4 25
-28.5%
18.2%
Q3 25
13.3%
18.2%
Q2 25
9.7%
21.0%
Q1 25
7.6%
15.7%
Q4 24
-16.7%
16.5%
Q3 24
11.6%
17.1%
Q2 24
14.8%
18.7%
Q1 24
12.5%
16.9%
Net Margin
CRL
CRL
WTS
WTS
Q4 25
-27.8%
13.4%
Q3 25
5.4%
13.4%
Q2 25
5.1%
15.7%
Q1 25
2.6%
13.3%
Q4 24
-21.4%
12.5%
Q3 24
6.9%
12.7%
Q2 24
9.2%
13.7%
Q1 24
7.2%
12.7%
EPS (diluted)
CRL
CRL
WTS
WTS
Q4 25
$-5.57
$2.50
Q3 25
$1.10
$2.45
Q2 25
$1.06
$3.01
Q1 25
$0.50
$2.21
Q4 24
$-4.17
$2.02
Q3 24
$1.33
$2.06
Q2 24
$1.74
$2.44
Q1 24
$1.30
$2.17

Balance Sheet & Financial Strength

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

Metric
CRL
CRL
WTS
WTS
Cash + ST InvestmentsLiquidity on hand
$213.8M
$405.5M
Total DebtLower is stronger
$2.1B
Stockholders' EquityBook value
$3.2B
$2.0B
Total Assets
$7.1B
$2.9B
Debt / EquityLower = less leverage
0.68×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CRL
CRL
WTS
WTS
Q4 25
$213.8M
$405.5M
Q3 25
$207.1M
$457.7M
Q2 25
$182.8M
$369.3M
Q1 25
$229.4M
$336.8M
Q4 24
$194.6M
$386.9M
Q3 24
$210.2M
$303.9M
Q2 24
$179.2M
$279.4M
Q1 24
$327.0M
$237.1M
Total Debt
CRL
CRL
WTS
WTS
Q4 25
$2.1B
Q3 25
$2.2B
Q2 25
$2.3B
Q1 25
$2.5B
Q4 24
$2.2B
Q3 24
$2.3B
Q2 24
$2.4B
Q1 24
$2.7B
Stockholders' Equity
CRL
CRL
WTS
WTS
Q4 25
$3.2B
$2.0B
Q3 25
$3.4B
$2.0B
Q2 25
$3.4B
$1.9B
Q1 25
$3.2B
$1.8B
Q4 24
$3.5B
$1.7B
Q3 24
$3.8B
$1.7B
Q2 24
$3.7B
$1.6B
Q1 24
$3.6B
$1.6B
Total Assets
CRL
CRL
WTS
WTS
Q4 25
$7.1B
$2.9B
Q3 25
$7.5B
$2.7B
Q2 25
$7.6B
$2.6B
Q1 25
$7.6B
$2.5B
Q4 24
$7.5B
$2.4B
Q3 24
$8.0B
$2.4B
Q2 24
$7.9B
$2.4B
Q1 24
$8.2B
$2.3B
Debt / Equity
CRL
CRL
WTS
WTS
Q4 25
0.68×
Q3 25
0.64×
Q2 25
0.70×
Q1 25
0.79×
Q4 24
0.65×
Q3 24
0.62×
Q2 24
0.65×
Q1 24
0.73×

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
WTS
WTS
Operating Cash FlowLast quarter
$147.5M
$154.7M
Free Cash FlowOCF − Capex
$58.6M
$140.3M
FCF MarginFCF / Revenue
5.9%
22.4%
Capex IntensityCapex / Revenue
8.9%
2.3%
Cash ConversionOCF / Net Profit
1.85×
TTM Free Cash FlowTrailing 4 quarters
$518.5M
$356.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CRL
CRL
WTS
WTS
Q4 25
$147.5M
$154.7M
Q3 25
$213.8M
$122.4M
Q2 25
$204.6M
$69.7M
Q1 25
$171.7M
$55.2M
Q4 24
$159.4M
$139.5M
Q3 24
$251.8M
$90.7M
Q2 24
$193.5M
$85.3M
Q1 24
$129.9M
$45.6M
Free Cash Flow
CRL
CRL
WTS
WTS
Q4 25
$58.6M
$140.3M
Q3 25
$178.2M
$110.9M
Q2 25
$169.3M
$59.5M
Q1 25
$112.4M
$45.6M
Q4 24
$83.7M
$127.5M
Q3 24
$213.1M
$84.3M
Q2 24
$154.0M
$78.5M
Q1 24
$50.7M
$35.5M
FCF Margin
CRL
CRL
WTS
WTS
Q4 25
5.9%
22.4%
Q3 25
17.7%
18.1%
Q2 25
16.4%
9.2%
Q1 25
11.4%
8.2%
Q4 24
8.4%
23.6%
Q3 24
21.1%
15.5%
Q2 24
15.0%
13.1%
Q1 24
5.0%
6.2%
Capex Intensity
CRL
CRL
WTS
WTS
Q4 25
8.9%
2.3%
Q3 25
3.5%
1.9%
Q2 25
3.4%
1.6%
Q1 25
6.0%
1.7%
Q4 24
7.5%
2.2%
Q3 24
3.8%
1.2%
Q2 24
3.8%
1.1%
Q1 24
7.8%
1.8%
Cash Conversion
CRL
CRL
WTS
WTS
Q4 25
1.85×
Q3 25
3.93×
1.49×
Q2 25
3.91×
0.69×
Q1 25
6.74×
0.75×
Q4 24
2.07×
Q3 24
3.61×
1.31×
Q2 24
2.06×
1.04×
Q1 24
1.78×
0.63×

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%

WTS
WTS

Segment breakdown not available.

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