# IDEXX Laboratories

IDEXX Laboratories is a null based in Westbrook, United States.

## Overview

- **Organization type:** null
- **Headquarters:** Westbrook, United States
- **Region:** North America
- **Address:** Westbrook, ME, United States
- **Founded:** 1983
- **Assets under management:** Undisclosed
- **Website:** idexx.com

## Regulatory record

- **Reports private funds:** No

## About

IDEXX Laboratories was founded in 1983 by David Shaw, a businessman who spotted an opportunity to apply human diagnostics technology to veterinary medicine. The company went public in 1991 and has since built a dominant position in companion animal diagnostics, water microbiology, and livestock testing. Jay Mazelsky, who previously led the company's companion animal group, took over as CEO in 2018. IDEXX does not operate as a family office or asset manager — it is a publicly traded operating company whose "capital deployment" consists of corporate development and strategic acquisitions rather than fund investments. The company's primary revenue engine is the Companion Animal Group, which sells in-clinic analyzers, rapid test kits, and reference lab services to veterinary practices. IDEXX runs one of the world's largest networks of veterinary reference laboratories and has invested heavily in its cloud-based practice management software ecosystem. Recent corporate acquisitions include the 2022 purchase of ezyVet, a cloud practice management platform based in New Zealand, and the 2020 acquisition of a software business from Telemedicine Technologies. Its geographic footprint spans North America, Europe, and Asia-Pacific, with major operations in Germany, the Netherlands, and Australia. IDEXX employs roughly 11,000 people globally and operates manufacturing and R&D facilities in Maine, California, and Europe. The company deploys hundreds of millions annually in R&D, focusing on next-generation analyzers, AI-driven diagnostics, and digital workflow integration. In August 2024, the company reported Q2 revenue of $1.04 billion, a 6% increase year-over-year, driven by a growing installed base of Catalyst and SediVue instruments. No dedicated philanthropic foundation or adjacent investment vehicle operates under the IDEXX name; the company's public charitable giving is executed through corporate grants and employee matching programs. IDEXX's structural differentiator is its operating-company reality — it is not a pool of capital seeking returns but a vertically integrated manufacturer, service provider, and software vendor. The company's competitive moat derives from razor-and-blade economics: selling analyzers that lock in recurring reagent and consumable revenue streams. Most descriptions in investment databases mistakenly classify IDEXX under "family office" or "asset manager" due to its legacy SEC filing classification as "IDEXX LABORATORIES INC /DE," a clerical artifact of its Delaware incorporation that has nothing to do with its actual corporate structure.

## People

- Jay Mazelsky — President and Chief Executive Officer

## Questions

### Who runs IDEXX Laboratories?

Jay Mazelsky has served as President and CEO since 2018. He joined IDEXX in 2012 and previously led the Companion Animal Group, the company's largest business segment. The company was founded in 1983 by David Shaw, who served as CEO until 2001 and remained Chairman until 2019.

### How does IDEXX deploy capital?

As a public operating company, IDEXX deploys capital through internal research and development, manufacturing expansion, and strategic corporate acquisitions. The company spent over $200 million on R&D in 2023 and makes periodic tuck-in software or technology acquisitions. It does not operate as an institutional investor making fund commitments or direct portfolio company investments.

### What are IDEXX's core business segments?

The company operates primarily through its Companion Animal Group, which sells in-clinic diagnostic analyzers, rapid assay tests, and reference laboratory services for veterinarians. IDEXX also manufactures water microbiology testing products and runs a livestock and poultry diagnostics division. Its software business includes cloud-based practice management systems like ezyVet and Neo.

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Last updated: 2026-06-03T20:00:00.000Z

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