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

Steris is the larger business by last-quarter revenue ($1.5B vs $1.1B, roughly 1.4× Idexx Laboratories). Idexx Laboratories runs the higher net margin — 22.8% vs 12.9%, a 9.9% gap on every dollar of revenue. On growth, Idexx Laboratories posted the faster year-over-year revenue change (14.3% vs 9.2%). Idexx Laboratories produced more free cash flow last quarter ($326.3M vs $199.5M). Over the past eight quarters, Steris's revenue compounded faster (15.8% 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.

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.

IDXX vs STE — Head-to-Head

Bigger by revenue
STE
STE
1.4× larger
STE
$1.5B
$1.1B
IDXX
Growing faster (revenue YoY)
IDXX
IDXX
+5.1% gap
IDXX
14.3%
9.2%
STE
Higher net margin
IDXX
IDXX
9.9% more per $
IDXX
22.8%
12.9%
STE
More free cash flow
IDXX
IDXX
$126.8M more FCF
IDXX
$326.3M
$199.5M
STE
Faster 2-yr revenue CAGR
STE
STE
Annualised
STE
15.8%
6.4%
IDXX

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
IDXX
IDXX
STE
STE
Revenue
$1.1B
$1.5B
Net Profit
$248.2M
$192.9M
Gross Margin
60.3%
43.8%
Operating Margin
28.9%
18.3%
Net Margin
22.8%
12.9%
Revenue YoY
14.3%
9.2%
Net Profit YoY
14.8%
11.2%
EPS (diluted)
$3.09
$1.96

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
STE
STE
Q4 25
$1.1B
$1.5B
Q3 25
$1.1B
$1.5B
Q2 25
$1.1B
$1.4B
Q1 25
$998.4M
$1.5B
Q4 24
$954.3M
$1.4B
Q3 24
$975.5M
$1.3B
Q2 24
$1.0B
$1.3B
Q1 24
$964.1M
$1.1B
Net Profit
IDXX
IDXX
STE
STE
Q4 25
$248.2M
$192.9M
Q3 25
$274.6M
$191.9M
Q2 25
$294.0M
$177.4M
Q1 25
$242.7M
$145.7M
Q4 24
$216.1M
$173.5M
Q3 24
$232.8M
$150.0M
Q2 24
$203.3M
$145.4M
Q1 24
$235.6M
$-1.4M
Gross Margin
IDXX
IDXX
STE
STE
Q4 25
60.3%
43.8%
Q3 25
61.8%
44.2%
Q2 25
62.6%
45.1%
Q1 25
62.4%
43.3%
Q4 24
59.8%
44.5%
Q3 24
61.1%
43.6%
Q2 24
61.7%
44.7%
Q1 24
61.5%
40.2%
Operating Margin
IDXX
IDXX
STE
STE
Q4 25
28.9%
18.3%
Q3 25
32.1%
18.2%
Q2 25
33.6%
17.7%
Q1 25
31.7%
14.6%
Q4 24
27.4%
17.9%
Q3 24
31.2%
16.5%
Q2 24
26.3%
14.5%
Q1 24
31.0%
22.0%
Net Margin
IDXX
IDXX
STE
STE
Q4 25
22.8%
12.9%
Q3 25
24.8%
13.1%
Q2 25
26.5%
12.8%
Q1 25
24.3%
9.8%
Q4 24
22.7%
12.7%
Q3 24
23.9%
11.3%
Q2 24
20.3%
11.4%
Q1 24
24.4%
-0.1%
EPS (diluted)
IDXX
IDXX
STE
STE
Q4 25
$3.09
$1.96
Q3 25
$3.40
$1.94
Q2 25
$3.63
$1.79
Q1 25
$2.96
$1.48
Q4 24
$2.62
$1.75
Q3 24
$2.80
$1.51
Q2 24
$2.44
$1.46
Q1 24
$2.81
$-0.02

Balance Sheet & Financial Strength

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

Metric
IDXX
IDXX
STE
STE
Cash + ST InvestmentsLiquidity on hand
$180.1M
$423.7M
Total DebtLower is stronger
$450.0M
$1.9B
Stockholders' EquityBook value
$1.6B
$7.2B
Total Assets
$3.4B
$10.6B
Debt / EquityLower = less leverage
0.28×
0.27×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IDXX
IDXX
STE
STE
Q4 25
$180.1M
$423.7M
Q3 25
$208.2M
$319.2M
Q2 25
$164.6M
$279.7M
Q1 25
$164.0M
$171.7M
Q4 24
$288.3M
$155.2M
Q3 24
$308.6M
$172.2M
Q2 24
$401.6M
$198.3M
Q1 24
$397.4M
$207.0M
Total Debt
IDXX
IDXX
STE
STE
Q4 25
$450.0M
$1.9B
Q3 25
$1.9B
Q2 25
$1.9B
Q1 25
$1.9B
Q4 24
$617.8M
$2.0B
Q3 24
$2.2B
Q2 24
$2.2B
Q1 24
$3.1B
Stockholders' Equity
IDXX
IDXX
STE
STE
Q4 25
$1.6B
$7.2B
Q3 25
$1.6B
$7.0B
Q2 25
$1.5B
$7.0B
Q1 25
$1.4B
$6.6B
Q4 24
$1.6B
$6.4B
Q3 24
$1.6B
$6.6B
Q2 24
$1.6B
$6.4B
Q1 24
$1.6B
$6.3B
Total Assets
IDXX
IDXX
STE
STE
Q4 25
$3.4B
$10.6B
Q3 25
$3.4B
$10.4B
Q2 25
$3.3B
$10.4B
Q1 25
$3.2B
$10.1B
Q4 24
$3.3B
$10.0B
Q3 24
$3.4B
$10.2B
Q2 24
$3.4B
$10.1B
Q1 24
$3.4B
$11.1B
Debt / Equity
IDXX
IDXX
STE
STE
Q4 25
0.28×
0.27×
Q3 25
0.27×
Q2 25
0.27×
Q1 25
0.29×
Q4 24
0.39×
0.32×
Q3 24
0.33×
Q2 24
0.35×
Q1 24
0.50×

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
STE
STE
Operating Cash FlowLast quarter
$355.8M
$298.2M
Free Cash FlowOCF − Capex
$326.3M
$199.5M
FCF MarginFCF / Revenue
29.9%
13.3%
Capex IntensityCapex / Revenue
2.7%
6.6%
Cash ConversionOCF / Net Profit
1.43×
1.55×
TTM Free Cash FlowTrailing 4 quarters
$1.1B
$917.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IDXX
IDXX
STE
STE
Q4 25
$355.8M
$298.2M
Q3 25
$402.3M
$287.8M
Q2 25
$185.7M
$420.0M
Q1 25
$238.0M
$260.8M
Q4 24
$262.0M
$332.8M
Q3 24
$220.1M
$250.7M
Q2 24
$248.3M
$303.7M
Q1 24
$198.6M
$254.8M
Free Cash Flow
IDXX
IDXX
STE
STE
Q4 25
$326.3M
$199.5M
Q3 25
$371.2M
$201.3M
Q2 25
$151.6M
$326.4M
Q1 25
$207.9M
$189.9M
Q4 24
$232.8M
$243.6M
Q3 24
$192.0M
$148.8M
Q2 24
$215.0M
$195.7M
Q1 24
$168.3M
$163.3M
FCF Margin
IDXX
IDXX
STE
STE
Q4 25
29.9%
13.3%
Q3 25
33.6%
13.8%
Q2 25
13.7%
23.5%
Q1 25
20.8%
12.8%
Q4 24
24.4%
17.8%
Q3 24
19.7%
11.2%
Q2 24
21.4%
15.3%
Q1 24
17.5%
14.6%
Capex Intensity
IDXX
IDXX
STE
STE
Q4 25
2.7%
6.6%
Q3 25
2.8%
5.9%
Q2 25
3.1%
6.7%
Q1 25
3.0%
4.8%
Q4 24
3.1%
6.5%
Q3 24
2.9%
7.7%
Q2 24
3.3%
8.4%
Q1 24
3.1%
8.2%
Cash Conversion
IDXX
IDXX
STE
STE
Q4 25
1.43×
1.55×
Q3 25
1.47×
1.50×
Q2 25
0.63×
2.37×
Q1 25
0.98×
1.79×
Q4 24
1.21×
1.92×
Q3 24
0.95×
1.67×
Q2 24
1.22×
2.09×
Q1 24
0.84×

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%

STE
STE

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

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