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 |
|---|---|---|---|---|---|
| CIBC Asset Management Inc | 38,180 | $21.5M | 0.05% | +362+1.0% | Added |
| Creative Planning | 37,170 | $20.9M | 0.01% | +1,007+2.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 37,147 | $20.9M | 0.05% | +2,991+8.8% | Added |
| SEB Asset Management AB | 36,527 | $20.5M | 0.09% | +36,527 | New |
| Handelsbanken Fonder AB | 36,194 | $20.3M | 0.07% | −665−1.8% | Reduced |
| Intech Investment Management LLC | 36,181 | $20.3M | 0.20% | +1,087+3.1% | Added |
| Nisa Investment Advisors, LLC | 36,042 | $20.3M | 0.07% | −7,427−17.1% | Reduced |
| Swedbank AB | 35,853 | $20.1M | 0.02% | −2,109−5.6% | Reduced |
| Stifel Financial Corp | 35,765 | $20.1M | 0.02% | −2,597−6.8% | Reduced |
| Premier Fund Managers Ltd | 36,004 | $20.1M | 1.42% | +4,967+16.0% | Added |
| Credit Agricole S A | 35,379 | $19.9M | 0.06% | +22,661+178.2% | Added |
| Frontier Capital Management Co LLC | 35,364 | $19.9M | 0.20% | −9,979−22.0% | Reduced |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 35,300 | $19.8M | 1.38% | 00.0% | Unchanged |
| NS Partners Ltd | 35,211 | $19.8M | 0.89% | −353−1.0% | Reduced |
| Marble Harbor Investment Counsel, LLC | 34,981 | $19.7M | 2.13% | −1,539−4.2% | Reduced |
| GW Henssler & Associates Ltd | 34,816 | $19.6M | 0.92% | +1,079+3.2% | Added |
| Man Group plc | 34,525 | $19.4M | 0.04% | +9,113+35.9% | Added |
| Academy Capital Management Inc | 34,319 | $19.3M | 2.76% | −921−2.6% | Reduced |
| Acadian Asset Management LLC | 33,998 | $19.1M | 0.03% | +12,538+58.4% | Added |
| Parnassus Investments | 32,709 | $18.4M | 0.05% | −942−2.8% | Reduced |
| Captrust Financial Advisors | 32,128 | $18.1M | 0.03% | +2,704+9.2% | Added |
| State of Michigan Retirement System | 31,355 | $17.6M | 0.09% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 31,292 | $17.6M | 0.03% | +344+1.1% | Added |
| TCG Advisory Services, LLC | 31,261 | $17.6M | 0.43% | −3,369−9.7% | Reduced |
| Bourne Lent Asset Management Inc | 31,133 | $17.5M | 6.43% | 00.0% | Unchanged |
| Swiss Life Asset Management Ltd | 31,106 | $17.5M | 0.09% | −5,344−14.7% | Reduced |
| Mn Services Vermogensbeheer B.V. | 31,028 | $17.4M | 0.12% | −500−1.6% | Reduced |
| Vinva Investment Management Ltd | 31,174 | $17.4M | 0.22% | +19,855+175.4% | Added |
| Azimuth Capital Investment Management LLC | 30,214 | $17.0M | 0.64% | −1,611−5.1% | Reduced |
| Spence Asset Management | 29,713 | $16.7M | 4.23% | −977−3.2% | Reduced |
| Public Employees Retirement System of Ohio | 29,652 | $16.7M | 0.05% | +347+1.2% | Added |
| Andra AP-fonden | 29,531 | $16.6M | 0.21% | −8,789−22.9% | Reduced |
| Oppenheimer Asset Management Inc. | 28,648 | $16.1M | 0.18% | −5,452−16.0% | Reduced |
| HighTower Advisors, LLC | 28,526 | $16.0M | 0.02% | +1,026+3.7% | Added |
| GW&K Investment Management, LLC | 28,395 | $16.0M | 0.14% | −715−2.5% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 28,230 | $15.9M | 0.09% | −2,445−8.0% | Reduced |
| Brasada Capital Management, LP | 27,021 | $15.6M | 2.87% | −1,838−6.4% | Reduced |
| State of New Jersey Common Pension Fund D | 27,643 | $15.5M | 0.06% | 00.0% | Unchanged |
| Jupiter Asset Management Ltd | 27,550 | $15.5M | 0.08% | +7,188+35.3% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 26,765 | $15.0M | 0.16% | −3,381−11.2% | Reduced |
| Franklin Street Advisors Inc | 26,755 | $15.0M | 0.92% | −13,428−33.4% | Reduced |
| Van Eck Associates Corp | 26,710 | $15.0M | 0.01% | +785+3.0% | Added |
| Xponance, Inc. | 26,638 | $15.0M | 0.11% | +2,297+9.4% | Added |
| Tredje AP-fonden | 26,587 | $14.9M | 0.08% | +26,587 | New |
| F/M Investments LLC | 26,493 | $14.9M | 0.99% | −53−0.2% | Reduced |
| Boston Family Office LLC | 26,344 | $14.8M | 0.98% | −711−2.6% | Reduced |
| First Citizens Bank & Trust Co | 26,221 | $14.7M | 0.31% | −2,673−9.3% | Reduced |
| O'Shaughnessy Asset Management, LLC | 26,154 | $14.7M | 0.07% | +482+1.9% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 25,927 | $14.6M | 0.08% | −449−1.7% | Reduced |
| Rafferty Asset Management, LLC | 25,899 | $14.6M | 0.06% | −213−0.8% | Reduced |
| Resona Asset Management Co.,Ltd. | 25,714 | $14.4M | 0.07% | +376+1.5% | Added |
| Glenview Trust Co | 25,137 | $14.1M | 0.22% | −9,650−27.7% | Reduced |
| Umb Bank N A | 24,408 | $13.7M | 0.19% | +19,587+406.3% | Added |
| Fred Alger Management, LLC | 24,268 | $13.6M | 0.06% | −684−2.7% | Reduced |
| Toronto Dominion Bank | 24,155 | $13.6M | 0.03% | −3,864−13.8% | Reduced |
| Cetera Investment Advisers | 24,073 | $13.5M | 0.01% | −781−3.1% | Reduced |
| Fifth Third Bancorp | 23,848 | $13.4M | 0.02% | +16,332+217.3% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 23,732 | $13.3M | 0.09% | −1,184−4.8% | Reduced |
| Woodstock Corp | 23,658 | $13.3M | 1.18% | −510−2.1% | Reduced |
| Daiwa Securities Group Inc. | 23,514 | $13.2M | 0.04% | +1,024+4.6% | Added |
| Storebrand Asset Management AS | 23,371 | $13.1M | 0.04% | +232+1.0% | Added |
| Eurizon Capital SGR S.p.A. | 23,273 | $13.1M | 0.04% | −1,106−4.5% | Reduced |
| Cornerstone Advisors, LLC | 22,787 | $12.8M | 0.47% | +8,617+60.8% | Added |
| Nissay Asset Management Corp | 22,657 | $12.7M | 0.07% | +641+2.9% | Added |
| Lyell Wealth Management, LP | 22,517 | $12.7M | 0.93% | −796−3.4% | Reduced |
| HM Payson & Co | 22,412 | $12.6M | 0.18% | +616+2.8% | Added |
| MetLife Investment Management | 22,252 | $12.5M | 0.06% | −729−3.2% | Reduced |
| Retail Employees Superannuation Pty Ltd as trustee for Retail Employees Superannuation Trust | 21,773 | $12.2M | 1.82% | +13,081+150.5% | Added |
| Czech National Bank | 21,747 | $12.2M | 0.08% | +691+3.3% | Added |
| Arizona State Retirement System | 21,698 | $12.2M | 0.07% | −238−1.1% | Reduced |
| Keybank National Association | 21,083 | $11.8M | 0.04% | −134−0.6% | Reduced |
| Ninety One UK Ltd | 20,901 | $11.7M | 0.03% | −5,749−21.6% | Reduced |
| OP Asset Management Ltd | 20,869 | $11.7M | 0.12% | −917−4.2% | Reduced |
| Mutual of America Capital Management LLC | 20,833 | $11.7M | 0.13% | −248−1.2% | Reduced |
| Cerity Partners LLC | 20,391 | $11.5M | 0.02% | −2,314−10.2% | Reduced |
| Progressive Investment Management Corp | 20,285 | $11.4M | 3.01% | 00.0% | Unchanged |
| Sienna Gestion | 19,826 | $11.1M | 0.73% | +17,685+826.0% | Added |
| Pathstone Holdings, LLC | 19,494 | $11.0M | 0.04% | +691+3.7% | Added |
| Wealthfront Advisers LLC | 18,602 | $10.5M | 0.02% | +1,687+10.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 18,601 | $10.5M | 0.05% | +27+0.1% | Added |
| State of Tennessee, Treasury Department | 18,560 | $10.4M | 0.04% | +1,839+11.0% | Added |
| Coalescence Partners Investment Management, LP | 18,559 | $10.4M | 2.25% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 18,531 | $10.4M | 0.17% | −479−2.5% | Reduced |
| IFM Investors Pty Ltd | 18,057 | $10.1M | 0.08% | +586+3.4% | Added |
| Flossbach Von Storch AG | 18,034 | $10.1M | 0.05% | −36,097−66.7% | Reduced |
| Midwest Trust Co | 18,024 | $10.1M | 0.13% | +274+1.5% | Added |
| Natixis | 18,018 | $10.1M | 0.04% | +8,840+96.3% | Added |
| EFG International AG | 17,815 | $10.0M | 0.21% | −622−3.4% | Reduced |
| Strategic Global Advisors, LLC | 17,715 | $9.95M | 1.59% | −440−2.4% | Reduced |
| Nordea Investment Management AB | 17,787 | $9.84M | 0.01% | +1,190+7.2% | Added |
| Guggenheim Capital LLC | 17,424 | $9.79M | 0.08% | −3,918−18.4% | Reduced |
| DnB Asset Management AS | 17,234 | $9.68M | 0.03% | +746+4.5% | Added |
| Select Equity Group, L.P. | 17,126 | $9.62M | 0.05% | −114,260−87.0% | Reduced |
| Retirement Systems of Alabama | 16,956 | $9.53M | 0.03% | −31−0.2% | Reduced |
| Amalgamated Bank | 16,928 | $9.51M | 0.07% | −595−3.4% | Reduced |
| Entropy Technologies, LP | 16,820 | $9.45M | 0.44% | +14,741+709.0% | Added |
| USS Investment Management Ltd | 16,699 | $9.38M | 0.04% | +403+2.5% | Added |
| Bath Savings Trust Co | 16,602 | $9.33M | 1.00% | −769−4.4% | Reduced |
| Edgestream Partners, L.P. | 16,469 | $9.25M | 0.30% | +14,244+640.2% | Added |
| Carderock Capital Management Inc | 16,466 | $9.25M | 2.29% | −309−1.8% | Reduced |