Institutional shares held 75.2 Million
129K calls
219K puts
Total value of holdings $39.9B
$68.4M calls
$117M puts
Market Cap $44.2B
83,253,696 Shares Out.
Institutional ownership 90.28%
# of Institutions 1,274


Latest Institutional Activity in IDXX

Top Purchases

Q2 2025
Bourne Lent Asset Management Inc Shares Held: 31.6K ($16.8M)
Q2 2025
Norden Group LLC Shares Held: 3.88K ($2.06M)
Q2 2025
Grove Bank & Trust Shares Held: 2.91K ($1.54M)
Q2 2025
Swedbank Ab Shares Held: 35.7K ($19M)
Q2 2025
Carderock Capital Management Inc Shares Held: 16.4K ($8.74M)

Top Sells

Q2 2025
Assenagon Asset Management S.A. Shares Held: 62.7K ($33.3M)
Q2 2025
Seilern Investment Management LTD Shares Held: 212K ($113M)
Q2 2025
Beacon Investment Advisory Services, Inc. Shares Held: 48.6K ($25.8M)
Q2 2025
Riverbridge Partners LLC Shares Held: 99.3K ($52.8M)
Q2 2025
Insight Wealth Strategies, LLC Shares Held: 8.66K ($4.6M)

About IDXX

IDEXX Laboratories, Inc. develops, manufactures, and distributes products and services primarily for the companion animal veterinary, livestock and poultry, dairy, and water testing markets worldwide. The company operates through CAG; Water Quality Products; LPD; and Other segments. It provides point-of-care veterinary diagnostic products, including instruments, consumables, and rapid assay test kits; veterinary reference laboratory diagnostic and consulting services; practice management and diagnostic imaging systems and services for veterinarians; and health monitoring, biological materials testing, and laboratory animal diagnostic instruments and services for biomedical research community. The company also offers diagnostic and health-monitoring products for livestock, poultry, and dairy; products that test water for various microbiological contaminants; and point-of-care electrolytes and blood gas analyzers and SARS-CoV-2 RT-PCR that are used in the human point-of-care medical diagnostics market; in-clinic chemistry, blood and urine chemistry, hematology, and SediVue Dx analyzers; SNAP rapid assays test kits. In addition, it provides Colilert, Colilert-18, and Colisure tests, which detect the presence of total coliforms and E. coli in water; Enterolert, Pseudalert, Filta-Max and Filta-Max xpress, Legiolert, and Quanti-Tray products; veterinary software and services for independent veterinary clinics and corporate groups. The company markets its products through marketing, customer service, sales, and technical service groups, as well as through independent distributors and other resellers. IDEXX Laboratories, Inc. was incorporated in 1983 and is headquartered in Westbrook, Maine.


Insider Transactions at IDXX

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
566K Shares
From 17 Insiders
Exercise of conversion of derivative security 32.9K shares
Bona fide gift 533K shares
Grant, award, or other acquisition 704 shares
Sell / Disposition
559K Shares
From 17 Insiders
Payment of exercise price or tax liability 5.63K shares
Open market or private sale 20.1K shares
Bona fide gift 533K shares

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