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Side-by-side financial comparison of Idexx Laboratories (IDXX) and Waters Corporation (WAT). Click either name above to swap in a different company.

Idexx Laboratories is the larger business by last-quarter revenue ($1.1B vs $932.4M, roughly 1.2× Waters Corporation). Waters Corporation runs the higher net margin — 24.2% vs 22.8%, a 1.4% gap on every dollar of revenue. On growth, Idexx Laboratories posted the faster year-over-year revenue change (14.3% vs 6.8%). Over the past eight quarters, Waters Corporation's revenue compounded faster (21.0% CAGR vs 6.4%).

IDEXX Laboratories, Inc. is an American multinational corporation engaged in the development, manufacture, and distribution of products and services for the companion animal veterinary, livestock and poultry, water testing, and dairy markets. Incorporated in 1983 by David Evans Shaw, the company is headquartered in Westbrook, Maine, and in Hoofddorp, Netherlands for its EMEA divisions.

Waters Corporation is an American company headquartered in Milford, Massachusetts that provides analytical instruments and software used for chromatography, mass spectrometry, laboratory informatics, and rheometry by the life sciences, materials, and food industries.

IDXX vs WAT — Head-to-Head

Bigger by revenue
IDXX
IDXX
1.2× larger
IDXX
$1.1B
$932.4M
WAT
Growing faster (revenue YoY)
IDXX
IDXX
+7.4% gap
IDXX
14.3%
6.8%
WAT
Higher net margin
WAT
WAT
1.4% more per $
WAT
24.2%
22.8%
IDXX
Faster 2-yr revenue CAGR
WAT
WAT
Annualised
WAT
21.0%
6.4%
IDXX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IDXX
IDXX
WAT
WAT
Revenue
$1.1B
$932.4M
Net Profit
$248.2M
$225.2M
Gross Margin
60.3%
61.1%
Operating Margin
28.9%
29.0%
Net Margin
22.8%
24.2%
Revenue YoY
14.3%
6.8%
Net Profit YoY
14.8%
-2.7%
EPS (diluted)
$3.09
$3.76

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
IDXX
IDXX
WAT
WAT
Q4 25
$1.1B
$932.4M
Q3 25
$1.1B
$799.9M
Q2 25
$1.1B
$771.3M
Q1 25
$998.4M
$661.7M
Q4 24
$954.3M
$872.7M
Q3 24
$975.5M
$740.3M
Q2 24
$1.0B
$708.5M
Q1 24
$964.1M
$636.8M
Net Profit
IDXX
IDXX
WAT
WAT
Q4 25
$248.2M
$225.2M
Q3 25
$274.6M
$148.9M
Q2 25
$294.0M
$147.1M
Q1 25
$242.7M
$121.4M
Q4 24
$216.1M
$231.4M
Q3 24
$232.8M
$161.5M
Q2 24
$203.3M
$142.7M
Q1 24
$235.6M
$102.2M
Gross Margin
IDXX
IDXX
WAT
WAT
Q4 25
60.3%
61.1%
Q3 25
61.8%
59.0%
Q2 25
62.6%
58.3%
Q1 25
62.4%
58.2%
Q4 24
59.8%
60.1%
Q3 24
61.1%
59.3%
Q2 24
61.7%
59.3%
Q1 24
61.5%
58.9%
Operating Margin
IDXX
IDXX
WAT
WAT
Q4 25
28.9%
29.0%
Q3 25
32.1%
24.0%
Q2 25
33.6%
24.4%
Q1 25
31.7%
22.9%
Q4 24
27.4%
33.5%
Q3 24
31.2%
28.5%
Q2 24
26.3%
26.7%
Q1 24
31.0%
21.0%
Net Margin
IDXX
IDXX
WAT
WAT
Q4 25
22.8%
24.2%
Q3 25
24.8%
18.6%
Q2 25
26.5%
19.1%
Q1 25
24.3%
18.3%
Q4 24
22.7%
26.5%
Q3 24
23.9%
21.8%
Q2 24
20.3%
20.1%
Q1 24
24.4%
16.0%
EPS (diluted)
IDXX
IDXX
WAT
WAT
Q4 25
$3.09
$3.76
Q3 25
$3.40
$2.50
Q2 25
$3.63
$2.47
Q1 25
$2.96
$2.03
Q4 24
$2.62
$3.88
Q3 24
$2.80
$2.71
Q2 24
$2.44
$2.40
Q1 24
$2.81
$1.72

Balance Sheet & Financial Strength

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

Metric
IDXX
IDXX
WAT
WAT
Cash + ST InvestmentsLiquidity on hand
$180.1M
$587.8M
Total DebtLower is stronger
$450.0M
$1.4B
Stockholders' EquityBook value
$1.6B
$2.6B
Total Assets
$3.4B
$5.1B
Debt / EquityLower = less leverage
0.28×
0.55×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IDXX
IDXX
WAT
WAT
Q4 25
$180.1M
$587.8M
Q3 25
$208.2M
$459.1M
Q2 25
$164.6M
$367.2M
Q1 25
$164.0M
$382.9M
Q4 24
$288.3M
$325.4M
Q3 24
$308.6M
$331.5M
Q2 24
$401.6M
$327.4M
Q1 24
$397.4M
$338.2M
Total Debt
IDXX
IDXX
WAT
WAT
Q4 25
$450.0M
$1.4B
Q3 25
Q2 25
Q1 25
Q4 24
$617.8M
$1.6B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
IDXX
IDXX
WAT
WAT
Q4 25
$1.6B
$2.6B
Q3 25
$1.6B
$2.3B
Q2 25
$1.5B
$2.2B
Q1 25
$1.4B
$2.0B
Q4 24
$1.6B
$1.8B
Q3 24
$1.6B
$1.6B
Q2 24
$1.6B
$1.4B
Q1 24
$1.6B
$1.3B
Total Assets
IDXX
IDXX
WAT
WAT
Q4 25
$3.4B
$5.1B
Q3 25
$3.4B
$4.9B
Q2 25
$3.3B
$4.7B
Q1 25
$3.2B
$4.6B
Q4 24
$3.3B
$4.6B
Q3 24
$3.4B
$4.5B
Q2 24
$3.4B
$4.4B
Q1 24
$3.4B
$4.5B
Debt / Equity
IDXX
IDXX
WAT
WAT
Q4 25
0.28×
0.55×
Q3 25
Q2 25
Q1 25
Q4 24
0.39×
0.89×
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
IDXX
IDXX
WAT
WAT
Operating Cash FlowLast quarter
$355.8M
$164.6M
Free Cash FlowOCF − Capex
$326.3M
FCF MarginFCF / Revenue
29.9%
Capex IntensityCapex / Revenue
2.7%
Cash ConversionOCF / Net Profit
1.43×
0.73×
TTM Free Cash FlowTrailing 4 quarters
$1.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IDXX
IDXX
WAT
WAT
Q4 25
$355.8M
$164.6M
Q3 25
$402.3M
$187.3M
Q2 25
$185.7M
$41.1M
Q1 25
$238.0M
$259.6M
Q4 24
$262.0M
$240.1M
Q3 24
$220.1M
$204.6M
Q2 24
$248.3M
$54.5M
Q1 24
$198.6M
$262.9M
Free Cash Flow
IDXX
IDXX
WAT
WAT
Q4 25
$326.3M
Q3 25
$371.2M
Q2 25
$151.6M
Q1 25
$207.9M
Q4 24
$232.8M
Q3 24
$192.0M
Q2 24
$215.0M
Q1 24
$168.3M
FCF Margin
IDXX
IDXX
WAT
WAT
Q4 25
29.9%
Q3 25
33.6%
Q2 25
13.7%
Q1 25
20.8%
Q4 24
24.4%
Q3 24
19.7%
Q2 24
21.4%
Q1 24
17.5%
Capex Intensity
IDXX
IDXX
WAT
WAT
Q4 25
2.7%
Q3 25
2.8%
Q2 25
3.1%
Q1 25
3.0%
Q4 24
3.1%
Q3 24
2.9%
Q2 24
3.3%
Q1 24
3.1%
Cash Conversion
IDXX
IDXX
WAT
WAT
Q4 25
1.43×
0.73×
Q3 25
1.47×
1.26×
Q2 25
0.63×
0.28×
Q1 25
0.98×
2.14×
Q4 24
1.21×
1.04×
Q3 24
0.95×
1.27×
Q2 24
1.22×
0.38×
Q1 24
0.84×
2.57×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IDXX
IDXX

Vet Lab Consumables$389.0M36%
Reference Laboratory Diagnostic And Consulting Services$349.2M32%
Rapid Assay Products$76.0M7%
Recurring Revenue$70.6M6%
CAG Diagnostic Capital Instruments$58.1M5%
Water Segment$50.5M5%
Livestock And Poultry Diagnostics Segment$37.5M3%
CAG Diagnostics Service And Accessories$35.3M3%
Systems And Hardware$20.1M2%
Rebate And Up Front Considerations Arrangements$2.4M0%
Extended Warranties And Post Contract Support Revenue$1.0M0%

WAT
WAT

Segment breakdown not available.

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