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 |
|---|---|---|---|---|---|
| Sanctuary Advisors, LLC | 14,364 | $8.07M | 0.04% | +1,628+12.8% | Added |
| Nicola Wealth Management Ltd. | 14,800 | $8.32M | 1.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 14,998 | $8.43M | 0.01% | +5,984+66.4% | Added |
| Parkman Healthcare Partners LLC | 15,000 | $8.43M | 0.87% | +15,000 | New |
| Schonfeld Strategic Advisors LLC | 15,003 | $8.43M | 0.07% | +15,003 | New |
| Chilton Investment Co LLC | 15,027 | $8.44M | 0.20% | −33−0.2% | Reduced |
| Glenmede Trust Co NA | 15,104 | $8.49M | 0.04% | −2,797−15.6% | Reduced |
| US Bancorp | 15,200 | $8.54M | 0.01% | −302−1.9% | Reduced |
| Flputnam Investment Management Co | 15,219 | $8.55M | 0.13% | −201−1.3% | Reduced |
| GWM Advisors LLC | 15,221 | $8.55M | 0.03% | +5,761+60.9% | Added |
| Jacobson & Schmitt Advisors, LLC | 15,366 | $8.63M | 1.57% | −4,918−24.2% | Reduced |
| iA Global Asset Management Inc. | 15,828 | $8.89M | 0.13% | +777+5.2% | Added |
| FORA Capital, LLC | 15,925 | $8.95M | 0.66% | +15,925 | New |
| Truist Financial Corp | 15,949 | $8.96M | 0.01% | −4,649−22.6% | Reduced |
| CWM Advisors, LLC | 15,972 | $8.97M | 0.52% | +3,471+27.8% | Added |
| B. Metzler seel. Sohn & Co. AG | 16,242 | $9.13M | 0.08% | −134−0.8% | Reduced |
| JustInvest LLC | 16,376 | $9.20M | 0.09% | +434+2.7% | Added |
| Rakuten Investment Management, Inc. | 16,555 | $9.22M | 0.02% | +1,734+11.7% | Added |
| Carderock Capital Management Inc | 16,466 | $9.25M | 2.29% | −309−1.8% | Reduced |
| Edgestream Partners, L.P. | 16,469 | $9.25M | 0.30% | +14,244+640.2% | Added |
| Bath Savings Trust Co | 16,602 | $9.33M | 1.00% | −769−4.4% | Reduced |
| USS Investment Management Ltd | 16,699 | $9.38M | 0.04% | +403+2.5% | Added |
| Entropy Technologies, LP | 16,820 | $9.45M | 0.44% | +14,741+709.0% | Added |
| Amalgamated Bank | 16,928 | $9.51M | 0.07% | −595−3.4% | Reduced |
| Retirement Systems of Alabama | 16,956 | $9.53M | 0.03% | −31−0.2% | Reduced |
| Select Equity Group, L.P. | 17,126 | $9.62M | 0.05% | −114,260−87.0% | Reduced |
| DnB Asset Management AS | 17,234 | $9.68M | 0.03% | +746+4.5% | Added |
| Guggenheim Capital LLC | 17,424 | $9.79M | 0.08% | −3,918−18.4% | Reduced |
| Nordea Investment Management AB | 17,787 | $9.84M | 0.01% | +1,190+7.2% | Added |
| Strategic Global Advisors, LLC | 17,715 | $9.95M | 1.59% | −440−2.4% | Reduced |
| EFG International AG | 17,815 | $10.0M | 0.21% | −622−3.4% | Reduced |
| Natixis | 18,018 | $10.1M | 0.04% | +8,840+96.3% | Added |
| Midwest Trust Co | 18,024 | $10.1M | 0.13% | +274+1.5% | Added |
| Flossbach Von Storch AG | 18,034 | $10.1M | 0.05% | −36,097−66.7% | Reduced |
| IFM Investors Pty Ltd | 18,057 | $10.1M | 0.08% | +586+3.4% | Added |
| GF Fund Management Co. Ltd. | 18,531 | $10.4M | 0.17% | −479−2.5% | Reduced |
| Coalescence Partners Investment Management, LP | 18,559 | $10.4M | 2.25% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 18,560 | $10.4M | 0.04% | +1,839+11.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 18,601 | $10.5M | 0.05% | +27+0.1% | Added |
| Wealthfront Advisers LLC | 18,602 | $10.5M | 0.02% | +1,687+10.0% | Added |
| Pathstone Holdings, LLC | 19,494 | $11.0M | 0.04% | +691+3.7% | Added |
| Sienna Gestion | 19,826 | $11.1M | 0.73% | +17,685+826.0% | Added |
| Progressive Investment Management Corp | 20,285 | $11.4M | 3.01% | 00.0% | Unchanged |
| Cerity Partners LLC | 20,391 | $11.5M | 0.02% | −2,314−10.2% | Reduced |
| Mutual of America Capital Management LLC | 20,833 | $11.7M | 0.13% | −248−1.2% | Reduced |
| OP Asset Management Ltd | 20,869 | $11.7M | 0.12% | −917−4.2% | Reduced |
| Ninety One UK Ltd | 20,901 | $11.7M | 0.03% | −5,749−21.6% | Reduced |
| Keybank National Association | 21,083 | $11.8M | 0.04% | −134−0.6% | Reduced |
| Arizona State Retirement System | 21,698 | $12.2M | 0.07% | −238−1.1% | Reduced |
| Czech National Bank | 21,747 | $12.2M | 0.08% | +691+3.3% | Added |
| Retail Employees Superannuation Pty Ltd as trustee for Retail Employees Superannuation Trust | 21,773 | $12.2M | 1.82% | +13,081+150.5% | Added |
| MetLife Investment Management | 22,252 | $12.5M | 0.06% | −729−3.2% | Reduced |
| HM Payson & Co | 22,412 | $12.6M | 0.18% | +616+2.8% | Added |
| Lyell Wealth Management, LP | 22,517 | $12.7M | 0.93% | −796−3.4% | Reduced |
| Nissay Asset Management Corp | 22,657 | $12.7M | 0.07% | +641+2.9% | Added |
| Cornerstone Advisors, LLC | 22,787 | $12.8M | 0.47% | +8,617+60.8% | Added |
| Eurizon Capital SGR S.p.A. | 23,273 | $13.1M | 0.04% | −1,106−4.5% | Reduced |
| Storebrand Asset Management AS | 23,371 | $13.1M | 0.04% | +232+1.0% | Added |
| Daiwa Securities Group Inc. | 23,514 | $13.2M | 0.04% | +1,024+4.6% | Added |
| Woodstock Corp | 23,658 | $13.3M | 1.18% | −510−2.1% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 23,732 | $13.3M | 0.09% | −1,184−4.8% | Reduced |
| Fifth Third Bancorp | 23,848 | $13.4M | 0.02% | +16,332+217.3% | Added |
| Cetera Investment Advisers | 24,073 | $13.5M | 0.01% | −781−3.1% | Reduced |
| Toronto Dominion Bank | 24,155 | $13.6M | 0.03% | −3,864−13.8% | Reduced |
| Fred Alger Management, LLC | 24,268 | $13.6M | 0.06% | −684−2.7% | Reduced |
| Umb Bank N A | 24,408 | $13.7M | 0.19% | +19,587+406.3% | Added |
| Glenview Trust Co | 25,137 | $14.1M | 0.22% | −9,650−27.7% | Reduced |
| Resona Asset Management Co.,Ltd. | 25,714 | $14.4M | 0.07% | +376+1.5% | Added |
| Rafferty Asset Management, LLC | 25,899 | $14.6M | 0.06% | −213−0.8% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 25,927 | $14.6M | 0.08% | −449−1.7% | Reduced |
| O'Shaughnessy Asset Management, LLC | 26,154 | $14.7M | 0.07% | +482+1.9% | Added |
| First Citizens Bank & Trust Co | 26,221 | $14.7M | 0.31% | −2,673−9.3% | Reduced |
| Boston Family Office LLC | 26,344 | $14.8M | 0.98% | −711−2.6% | Reduced |
| F/M Investments LLC | 26,493 | $14.9M | 0.99% | −53−0.2% | Reduced |
| Tredje AP-fonden | 26,587 | $14.9M | 0.08% | +26,587 | New |
| Xponance, Inc. | 26,638 | $15.0M | 0.11% | +2,297+9.4% | Added |
| Van Eck Associates Corp | 26,710 | $15.0M | 0.01% | +785+3.0% | Added |
| Franklin Street Advisors Inc | 26,755 | $15.0M | 0.92% | −13,428−33.4% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 26,765 | $15.0M | 0.16% | −3,381−11.2% | Reduced |
| Jupiter Asset Management Ltd | 27,550 | $15.5M | 0.08% | +7,188+35.3% | Added |
| State of New Jersey Common Pension Fund D | 27,643 | $15.5M | 0.06% | 00.0% | Unchanged |
| Brasada Capital Management, LP | 27,021 | $15.6M | 2.87% | −1,838−6.4% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 28,230 | $15.9M | 0.09% | −2,445−8.0% | Reduced |
| GW&K Investment Management, LLC | 28,395 | $16.0M | 0.14% | −715−2.5% | Reduced |
| HighTower Advisors, LLC | 28,526 | $16.0M | 0.02% | +1,026+3.7% | Added |
| Oppenheimer Asset Management Inc. | 28,648 | $16.1M | 0.18% | −5,452−16.0% | Reduced |
| Andra AP-fonden | 29,531 | $16.6M | 0.21% | −8,789−22.9% | Reduced |
| Public Employees Retirement System of Ohio | 29,652 | $16.7M | 0.05% | +347+1.2% | Added |
| Spence Asset Management | 29,713 | $16.7M | 4.23% | −977−3.2% | Reduced |
| Azimuth Capital Investment Management LLC | 30,214 | $17.0M | 0.64% | −1,611−5.1% | Reduced |
| Vinva Investment Management Ltd | 31,174 | $17.4M | 0.22% | +19,855+175.4% | Added |
| Mn Services Vermogensbeheer B.V. | 31,028 | $17.4M | 0.12% | −500−1.6% | Reduced |
| Swiss Life Asset Management Ltd | 31,106 | $17.5M | 0.09% | −5,344−14.7% | Reduced |
| Bourne Lent Asset Management Inc | 31,133 | $17.5M | 6.43% | 00.0% | Unchanged |
| TCG Advisory Services, LLC | 31,261 | $17.6M | 0.43% | −3,369−9.7% | Reduced |
| Advisor Group Holdings, Inc. | 31,292 | $17.6M | 0.03% | +344+1.1% | Added |
| State of Michigan Retirement System | 31,355 | $17.6M | 0.09% | 00.0% | Unchanged |
| Captrust Financial Advisors | 32,128 | $18.1M | 0.03% | +2,704+9.2% | Added |
| Parnassus Investments | 32,709 | $18.4M | 0.05% | −942−2.8% | Reduced |
| Acadian Asset Management LLC | 33,998 | $19.1M | 0.03% | +12,538+58.4% | Added |