IDEXX Laboratories Inc
IDXX- Exchange
- Nasdaq
- Industry
- In Vitro & In Vivo Diagnostic Substances
- SEC CIK
- 0000874716
In the last 90 days, IDEXX Laboratories Inc insiders filed 0 open-market purchases and 1 sale; 1,306 institutions reported holding it in 13F filings for Q2 2026, worth $39.1B in total; 3 superinvestors hold it, including Fundsmith and Weitz Investment Management.
13F holders, Q1 2026
Institutional positions in IDEXX Laboratories Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 1,318
- −46 vs. Q4 2025
- Shares held
- 73.3M
- +1.79M (+2.5%) vs. Q4 2025
- Total value
- $41.2B
- −$1.72B (−4.0%) vs. Q4 2025
- New holders
- 125
- 435 more added
- Sold out
- 171
- 517 more reduced
21 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IDXX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,306 | $39.1B |
| Q1 2026 | 1,318 | $41.2B |
| Q4 2025 | 1,385 | $50.3B |
| Q3 2025 | 1,302 | $46.1B |
| Q2 2025 | 1,234 | $40.0B |
| Q1 2025 | 1,143 | $31.1B |
| Q4 2024 | 1,124 | $29.8B |
| Q3 2024 | 1,117 | $36.7B |
| Q2 2024 | 1,110 | $36.4B |
| Q1 2024 | 1,147 | $39.1B |
| Q4 2023 | 1,155 | $40.5B |
| Q3 2023 | 1,061 | $32.4B |
| Q2 2023 | 1,069 | $36.7B |
| Q1 2023 | 1,058 | $36.4B |
| Q4 2022 | 1,001 | $30.0B |
| Q3 2022 | 925 | $24.0B |
| Q2 2022 | 959 | $25.9B |
| Q1 2022 | 1,036 | $39.7B |
| Q4 2021 | 1,110 | $47.1B |
| Q3 2021 | 1,063 | $44.6B |
| Q2 2021 | 1,037 | $46.1B |
| Q1 2021 | 1,015 | $35.6B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wellington Management Group LLP | 735,475 | $413.3M | 0.08% | −43,739−5.6% | Reduced |
| JPMorgan Chase & Co | 779,882 | $434.5M | 0.03% | +106,654+15.8% | Added |
| Capital Research Global Investors | 781,345 | $439.0M | 0.07% | +173,591+28.6% | Added |
| Arrowstreet Capital, Limited Partnership | 838,839 | $471.3M | 0.26% | +288,471+52.4% | Added |
| UBS Asset Management Americas Inc | 871,789 | $489.8M | 0.10% | +11,902+1.4% | Added |
| Principal Financial Group Inc | 881,189 | $495.2M | 0.26% | −87,757−9.1% | Reduced |
| Northern Trust Corp | 911,893 | $512.4M | 0.07% | −11,259−1.2% | Reduced |
| Blair William & Co | 946,336 | $531.7M | 1.52% | −55,039−5.5% | Reduced |
| Morgan Stanley | 1,315,954 | $739.4M | 0.04% | −237,777−15.3% | Reduced |
| Fundsmith LLPSuperinvestorFundsmith | 1,465,786 | $823.6M | 6.42% | −410,249−21.9% | Reduced |
| Bank of New York Mellon Corp | 1,504,532 | $845.4M | 0.16% | −119,937−7.4% | Reduced |
| Bamco Inc | 1,633,367 | $917.8M | 2.77% | −164,674−9.2% | Reduced |
| Geode Capital Management, LLC | 2,660,999 | $1.50B | 0.09% | +77,060+3.0% | Added |
| Invesco Ltd. | 3,349,677 | $1.88B | 0.18% | +53,500+1.6% | Added |
| State Street Corp | 3,674,185 | $2.06B | 0.07% | +17,559+0.5% | Added |
| Vanguard Portfolio Management LLC | 3,910,863 | $2.20B | 0.11% | +3,910,863 | New |
| Vanguard Capital Management LLC | 5,182,507 | $2.91B | 0.07% | +5,182,507 | New |
| BlackRock, Inc. | 8,365,553 | $4.70B | 0.08% | −169,333−2.0% | Reduced |
| Zurich Insurance Group Ltd | 0 | $0 | 0.00% | −65,870−100.0% | Sold out |
| Skandinaviska Enskilda Banken AB (publ) | 0 | $0 | 0.00% | −23,970−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −22,386−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −17,413−100.0% | Sold out |
| Chapin Davis, Inc. | 0 | $0 | 0.00% | −8,191−100.0% | Sold out |
| Taikang Asset Management (Hong Kong) Co Ltd | 0 | $0 | 0.00% | −6,979−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −6,212−100.0% | Sold out |
| Prospera Financial Services Inc | 0 | $0 | 0.00% | −6,191−100.0% | Sold out |
| Sone Capital Management, LLC | 0 | $0 | 0.00% | −5,991−100.0% | Sold out |
| Allstate Corp | 0 | $0 | 0.00% | −5,952−100.0% | Sold out |
| Ambassador Advisors, LLC | 0 | $0 | 0.00% | −5,910−100.0% | Sold out |
| Kentucky Retirement Systems | 0 | $0 | 0.00% | −5,067−100.0% | Sold out |
| Aurora Investment Managers, LLC. | 0 | $0 | 0.00% | −5,024−100.0% | Sold out |
| Dakota Wealth Management | 0 | $0 | 0.00% | −4,154−100.0% | Sold out |
| Dorsey Wright & Associates | 0 | $0 | 0.00% | −3,577−100.0% | Sold out |
| Havemeyer Place LP | 0 | $0 | 0.00% | −3,510−100.0% | Sold out |
| Northwest & Ethical Investments L.P. | 0 | $0 | 0.00% | −2,961−100.0% | Sold out |
| Tiaa Trust, National Association | 0 | $0 | 0.00% | −2,231−100.0% | Sold out |
| IPG Investment Advisors LLC | 0 | $0 | 0.00% | −2,216−100.0% | Sold out |
| LRT Capital Management, LLC | 0 | $0 | 0.00% | −2,119−100.0% | Sold out |
| Diversify Advisory Services, LLC | 0 | $0 | 0.00% | −1,950−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −1,879−100.0% | Sold out |
| Hilltop Holdings Inc. | 0 | $0 | 0.00% | −1,878−100.0% | Sold out |
| Fieldview Capital Management, LLC | 0 | $0 | 0.00% | −1,871−100.0% | Sold out |
| Axxcess Wealth Management, LLC | 0 | $0 | 0.00% | −1,707−100.0% | Sold out |
| Freestone Capital Holdings, LLC | 0 | $0 | 0.00% | −1,586−100.0% | Sold out |
| Friedenthal Financial | 0 | $0 | 0.00% | −1,518−100.0% | Sold out |
| Bank of Hawaii | 0 | $0 | 0.00% | −1,475−100.0% | Sold out |
| Williamson Legacy Group, LLC | 0 | $0 | 0.00% | −1,462−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −1,293−100.0% | Sold out |
| Sigma Planning Corp | 0 | $0 | 0.00% | −1,269−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −1,168−100.0% | Sold out |
| Little House Capital LLC | 0 | $0 | 0.00% | −1,156−100.0% | Sold out |
| Cookson Peirce & Co Inc | 0 | $0 | 0.00% | −1,034−100.0% | Sold out |
| Buckingham Strategic Partners | 0 | $0 | 0.00% | −1,009−100.0% | Sold out |
| Triglav Skladi, D.O.O. | 0 | $0 | 0.00% | −985−100.0% | Sold out |
| One Wealth Capital Management, LLC | 0 | $0 | 0.00% | −900−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −856−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −826−100.0% | Sold out |
| Yarbrough Capital, LLC | 0 | $0 | 0.00% | −777−100.0% | Sold out |
| Gordian Capital Singapore Pte Ltd | 0 | $0 | 0.00% | −900−100.0% | Sold out |
| Sage Mountain Advisors LLC | 0 | $0 | 0.00% | −706−100.0% | Sold out |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −692−100.0% | Sold out |
| Massar Capital Management, LP | 0 | $0 | 0.00% | −689−100.0% | Sold out |
| Silver Oak Securities, Inc | 0 | $0 | 0.00% | −675−100.0% | Sold out |
| TB Alternative Assets Ltd. | 0 | $0 | 0.00% | −615−100.0% | Sold out |
| Southeast Asset Advisors Inc. | 0 | $0 | 0.00% | −589−100.0% | Sold out |
| Optas, LLC | 0 | $0 | 0.00% | −588−100.0% | Sold out |
| Simplify Asset Management Inc. | 0 | $0 | 0.00% | −584−100.0% | Sold out |
| Sivia Capital Partners, LLC | 0 | $0 | 0.00% | −567−100.0% | Sold out |
| WBI Investments | 0 | $0 | 0.00% | −562−100.0% | Sold out |
| Main Street Financial Solutions, LLC | 0 | $0 | 0.00% | −537−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −528−100.0% | Sold out |
| Strengthening Families & Communities, LLC | 0 | $0 | 0.00% | −502−100.0% | Sold out |
| CMC Financial Group | 0 | $0 | 0.00% | −499−100.0% | Sold out |
| Caisse des Depots Et Consignations | 0 | $0 | 0.00% | −491−100.0% | Sold out |
| Plum Street Advisors, LLC | 0 | $0 | 0.00% | −482−100.0% | Sold out |
| Unique Wealth, LLC | 0 | $0 | 0.00% | −480−100.0% | Sold out |
| Bridgewater Advisors Inc. | 0 | $0 | 0.00% | −465−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −471−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −463−100.0% | Sold out |
| Twin Focus Capital Partners, LLC | 0 | $0 | 0.00% | −440−100.0% | Sold out |
| SmartHarvest Portfolios, LLC | 0 | $0 | 0.00% | −432−100.0% | Sold out |
| Madrona Financial Services, LLC | 0 | $0 | 0.00% | −431−100.0% | Sold out |
| Moors & Cabot, Inc. | 0 | $0 | 0.00% | −425−100.0% | Sold out |
| Hall Laurie J Trustee | 0 | $0 | 0.00% | −420−100.0% | Sold out |
| Seven Mile Advisory | 0 | $0 | 0.00% | −419−100.0% | Sold out |
| Calamos Wealth Management LLC | 0 | $0 | 0.00% | −416−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −413−100.0% | Sold out |
| PTM Wealth Management, LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Puzo Michael J | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| ADAR1 Capital Management, LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Rehmann Capital Advisory Group | 0 | $0 | 0.00% | −396−100.0% | Sold out |
| Keudell/Morrison Wealth Management | 0 | $0 | 0.00% | −392−100.0% | Sold out |
| Nicholas Hoffman & Company, LLC. | 0 | $0 | 0.00% | −387−100.0% | Sold out |
| Financial Engines Advisors L.L.C. | 0 | $0 | 0.00% | −375−100.0% | Sold out |
| Meiji Yasuda Asset Management Co Ltd. | 0 | $0 | 0.00% | −374−100.0% | Sold out |
| JMN Financial LLC | 0 | $0 | 0.00% | −374−100.0% | Sold out |
| West Family Investments, Inc. | 0 | $0 | 0.00% | −370−100.0% | Sold out |
| Stirlingshire Investments, Inc. | 0 | $0 | 0.00% | −369−100.0% | Sold out |
| TruWealth Advisors, LLC | 0 | $0 | 0.00% | −368−100.0% | Sold out |
| Dynasty Wealth Management, LLC | 0 | $0 | 0.00% | −350−100.0% | Sold out |