IDXX Institutional Ownership & Top Shareholders


IDXX is held by 7 institutional investors with a total reported value of $2.38B. This analysis highlights the top institutional shareholders, including Fundsmith, Polen Capital Management, Fundsmith Investment Services, and other major asset managers, who collectively account for approximately 100% of the total institutional ownership.Fundsmith remains the largest institutional holder, with a position valued at approximately $1.27B. This page provides insight into institutional ownership concentration, portfolio allocations, and long-term holding patterns across major investment firms to understand institutional sentiment toward IDEXX LABORATORIES INC.

NameInvestor/ManagerPortfolio %QuantityReported Balance
FundsmithTerry Smith7.42%1,876,035$1,269,193,959
Polen Capital ManagementDavid M. Polen2.78%960,537$649,831,919
Fundsmith Investment ServicesTerry Smith6.85%688,357$439,784,404
Parnassus Endeavor FundParnassus Investments0.05%32,709$18,378,860
Sequoia Financial Advisors0.01%4,701$2,641,220
Jensen Investment ManagementEric H. Schoenstein0.04%3,570$2,005,947
Mairs & Power Growth FundAndrew R. Adams0.01%2,131$1,441,685

Frequently asked questions about IDXX

  • Who owns the most IDXX stock?

    The largest holders of IDXX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for IDEXX LABORATORIES INC (IDXX).

  • Is IDXX widely held by superinvestors?

    Many widely followed stocks like IDXX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly IDXX is represented among the institutional managers we track.

IDXX Institutional Ownership & Top Shareholders | InsiderSet