IDXX
Idexx Laboratories
Medtech / Consumables
★ Quality 96/100Price today
$535.38
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A monopoly position
This company has a competitive advantage so strong that its rivals find it practically impossible to replicate.
What this business is made of
The business
Give away the vet razor, sell the blades forever.
Idexx sells veterinary diagnostics. It places analyzers in clinics and charges for life on the consumables and tests from its reference lab network. Classic razor-and-blade: $4.3B in revenue, most of it recurring.
The installed base of analyzers runs on proprietary consumables — once inside the clinic, switching hurts. Its lab network and management software tie the vet to the whole ecosystem. Replicating that takes decades and thousands of machines already in place.
Revenue history
From $3.4B to $4.6B in 4 years. The business grows steadily.
Where each $100 of sales goes
Revenue $4.3B · FY2025
Of every $100 in sales, $75 goes to costs and operations; $25 is left as net profit (25% margin).
Catalysts and risks
IDEXX Cancer Dx, launched in 2025, opens a new testing category on top of the existing installed base.
The inVue Dx analyzer expands the diagnostic menu and sells more consumables per clinic.
International expansion, with analyzer penetration still low outside the U.S.
U.S. clinic visits have been soft for several quarters; no pet traffic, consumables stall.
Mars (Antech) and Zoetis are pushing hard in diagnostics and have deep pockets.
At 29x FCF, the price already prices in years of perfect execution. Little room for error.
Charlie's note
“Beautiful business: it gets paid every time a dog gets sick and nobody haggles over the vet bill. The problem isn't the quality, it's what you pay for it today.”
Analysis · June 2026
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