Who Owns IDEXX LABS INC (IDXX)? -- Institutional Holders (2026-06-30)

48 institutions reported holding $367.4M of IDEXX LABS INC (IDXX) in SEC 13F filings for 2026-06-30. Largest institutional holders: CONGRESS ASSET MANAGEMENT CO ($100.1M), Assenagon Asset Management S.A. ($96.5M), Seilern Investment Management Ltd ($51.4M), Manitou Investment Management Ltd. ($36.8M), BEACON INVESTMENT ADVISORY SERVICES, INC. ($29.0M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1CONGRESS ASSET MANAGEMENT CO$100.1M190,193Added
2Assenagon Asset Management S.A.$96.5M183,233Added
3Seilern Investment Management Ltd$51.4M97,560Added
4Manitou Investment Management Ltd.$36.8M69,979Added
5BEACON INVESTMENT ADVISORY SERVICES, INC.$29.0M55,153Trimmed
6Czech National Bank$11.8M22,453Added
7CARDEROCK CAPITAL MANAGEMENT INC$8.8M16,627Added
8PensionDanmark Pensionsforsikringsaktieselskab$7.5M14,190New
9ANDERSON HOAGLAND & CO$5.2M9,834Trimmed
10BRIGHT ROCK CAPITAL MANAGEMENT, LLC$3.7M7,000Hold
11Norway Savings Bank$2.6M4,919Added
12Aurora Investment Managers, LLC.$2.4M4,638New
13GAMMA Investing LLC$1.7M3,297Added
14Lincoln Capital LLC$1.6M2,990Hold
15Red Spruce Capital, LLC$827,0371,571Hold
16Bangor Savings Bank$742,2801,410Trimmed
17Pine Haven Investment Counsel, Inc$730,6991,388Added
18Beacon Bank & Trust$569,6081,082Trimmed
19Versant Capital Management, Inc$533,8101,014Added
20CANANDAIGUA NATIONAL BANK & TRUST CO$511,173971Trimmed
21Hennion & Walsh Asset Management, Inc.$435,366827Trimmed
22Baron Wealth Management LLC$399,568759Trimmed
23Trust Asset Management LLC$375,564896Trimmed
24Grove Bank & Trust$373,772710Trimmed
25CX Institutional$346,000657Added

Source: SEC Form 13F filings · as of 2026-06-30