Whale Analyzer
Top public holders · 13F and disclosure aggregation

Who owns IDXX? 13F holders and whale ownership

IDXX is tracked across public portfolios in Whale Analyzer. This page answers who owns IDXX, which top funds are buying IDXX, aggregate disclosed value, and recent position changes based on public data.

Open interactive stock dashboard
2Tracked holders
$1.21BAggregate reported value
2026-05-19Page updated
2 reducedRecent changes

Top holders

InvestorReported valueSharesChange
Terry Smith 13F portfolio
Fundsmith Equity Fund holdings
$823.6M1.5MReduced
Polen Capital 13F portfolio
Polen Capital Management holdings
$391.0M695.8KReduced

How to read this page

Values are reported public positions from tracked investors and institutions. They are not real-time ownership totals for the company.

This page is generated from public filings and public disclosures. It is for research and education only and is not investment advice.

Related stock holder pages

Learn more in Whale Analyzer Academy

Frequently asked questions

Who owns IDXX stock?

Whale Analyzer tracks 2 public institutional holders of IDXX with a combined reported value of $1.21B. See the holder table above for the largest tracked positions.

Which top funds are buying IDXX?

Check the "Change" column in the holders table above. "New" means a fresh position was initiated, "Added" means an existing position was increased, and "Reduced" or "Sold" indicates trimming.

What does 13F ownership mean for IDXX?

Use the interactive IDXX dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.