Idexx Laboratories Inc
Held by 15 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 45168D104 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide
Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer
Tracked capital in this stock
Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).
Aggregate buying and selling
Net share change reported each quarter
Who owns IDXX?
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Who owns IDXX? — Q2 2026
Holders ranked by position size, with each one's quarter-over-quarter change.
Column filters
| # | Manager | Fund | Shares | Value ↑ | % of their portfolio | QoQ | Δ shares | Δ shares % | Est. Δ value ⓘChange in shares × this quarter's price |
|---|---|---|---|---|---|---|---|---|---|
| 15 | Bill Nygren | Harris Associates (Oakmark Funds) | 455 | $239.53K | 0.0% | Reduced | -27 | -5.6% | -$14.21K |
| 14 | Bridgeway | Bridgeway Capital Management | 860 | $452.74K | 0.0% | Reduced | -3.0K | -77.7% | -$1.58M |
| 13 | Two Sigma | Two Sigma Investments | 1.02K | $536.97K | 0.0% | Added | +79 | +8.4% | +$41.59K |
| 12 | Fred Alger | Fred Alger Management | 19.61K | $10.32M | 0.0% | Reduced | -4.7K | -19.2% | -$2.45M |
| 11 | Parnassus Investments | Parnassus Investments LLC | 29.39K | $15.47M | 0.0% | Reduced | -3.3K | -10.2% | -$1.75M |
| 10 | Ray Dalio | Bridgewater Associates | 33.53K | $17.65M | 0.1% | Added | +23.2K | +225.1% | +$12.22M |
| 9 | Ken Griffin | Citadel Advisors | 38.85K | $20.45M | 0.0% | Reduced | -48.7K | -55.6% | -$25.65M |
| 8 | Israel Englander | Millennium Management | 78.98K | $41.58M | 0.0% | Added | +8.5K | +12.1% | +$4.49M |
| 7 | Seilern | Seilern Investment Management | 97.56K | $51.36M | 6.5% | Added | +16.7K | +20.7% | +$8.81M |
| 6 | Jim Simons | Renaissance Technologies | 109.78K | $57.79M | 0.1% | Added | +61.3K | +126.3% | +$32.26M |
| 5 | Steve Cohen | Point72 Asset Management | 262.90K | $138.40M | 0.2% | Added | +133.6K | +103.4% | +$70.34M |
| 4 | Baillie Gifford | Baillie Gifford & Co | 353.80K | $186.25M | 0.2% | New | +353.8K | — | +$186.25M |
| 3 | Norges Bank | Norges Bank Investment Management | 353.94K | $186.33M | 0.0% | — | — | — | — |
| 2 | Polen Capital | Polen Capital Management | 532.38K | $280.27M | 2.4% | Reduced | -163.4K | -23.5% | -$86.03M |
| 1 | Ron Baron | Baron Capital (BAMCO) | 1.98M | $1.04B | 1.6% | Added | +343.4K | +21.0% | +$180.79M |
Column filters
| Manager | Fund | Shares sold | Value last quarter ↓ |
|---|---|---|---|
| Select Equity Group | Select Equity Group | -17.1K | $9.62M |
| Jeremy Grantham | GMO | -2.6K | $1.47M |
| David Shaw | D.E. Shaw & Co. | -1.1K | $603.47K |
| Ken Fisher | Fisher Asset Management | -599 | $337.08K |
Politician trades
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No politician trades match these filters.