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, Q4 2025
Institutional positions in IDEXX Laboratories Inc as of Dec 31, 2025. 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
- 1,385
- +111 vs. Q3 2025
- Shares held
- 82.4M
- +10.5M (+14.6%) vs. Q3 2025
- Total value
- $50.3B
- +$4.35B (+9.5%) vs. Q3 2025
- New holders
- 191
- 482 more added
- Sold out
- 80
- 481 more reduced
28 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Intech Investment Management LLC | 35,094 | $23.7M | 0.21% | +31,802+966.0% | Added |
| Glenview Trust Co | 34,787 | $23.5M | 0.36% | −5,942−14.6% | Reduced |
| TCG Advisory Services, LLC | 34,630 | $23.4M | 0.64% | −205−0.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 34,156 | $23.1M | 0.05% | +11,738+52.4% | Added |
| Oppenheimer Asset Management Inc. | 34,100 | $23.1M | 0.28% | +3,930+13.0% | Added |
| GW Henssler & Associates Ltd | 33,737 | $22.8M | 1.10% | −2,095−5.8% | Reduced |
| Parnassus Investments | 33,651 | $22.8M | 0.06% | +774+2.4% | Added |
| KLP Kapitalforvaltning AS | 33,280 | $22.5M | 0.09% | +80+0.2% | Added |
| Azimuth Capital Investment Management LLC | 31,825 | $21.5M | 0.77% | −137−0.4% | Reduced |
| Mn Services Vermogensbeheer B.V. | 31,528 | $21.3M | 0.13% | +868+2.8% | Added |
| State of Michigan Retirement System | 31,355 | $21.2M | 0.10% | −600−1.9% | Reduced |
| Premier Fund Managers Ltd | 31,037 | $21.2M | 1.22% | −52,065−62.7% | Reduced |
| Bourne Lent Asset Management Inc | 31,133 | $21.1M | 6.99% | −271−0.9% | Reduced |
| Advisor Group Holdings, Inc. | 30,948 | $20.9M | 0.03% | +14,538+88.6% | Added |
| Spence Asset Management | 30,690 | $20.8M | 4.24% | −451−1.4% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 30,675 | $20.8M | 0.07% | +9,580+45.4% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 30,146 | $20.4M | 0.18% | −14,883−33.1% | Reduced |
| Captrust Financial Advisors | 29,424 | $19.9M | 0.04% | +20,361+224.7% | Added |
| Public Employees Retirement System of Ohio | 29,305 | $19.8M | 0.06% | −55−0.2% | Reduced |
| Toroso Investments, LLC | 29,243 | $19.8M | 0.08% | −6,858−19.0% | Reduced |
| GW&K Investment Management, LLC | 29,110 | $19.7M | 0.17% | +10.0% | Added |
| First Citizens Bank & Trust Co | 28,894 | $19.5M | 0.41% | +8,366+40.8% | Added |
| Brasada Capital Management, LP | 28,859 | $19.3M | 3.33% | −1,426−4.7% | Reduced |
| Toronto Dominion Bank | 28,019 | $19.0M | 0.03% | −4,135−12.9% | Reduced |
| State of New Jersey Common Pension Fund D | 27,643 | $18.7M | 0.07% | −665−2.3% | Reduced |
| HighTower Advisors, LLC | 27,500 | $18.6M | 0.02% | −219−0.8% | Reduced |
| Boston Family Office LLC | 27,055 | $18.3M | 1.16% | −612−2.2% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 25,694 | $18.2M | 0.02% | −84−0.3% | Reduced |
| Ninety One UK Ltd | 26,650 | $18.0M | 0.04% | −8,912−25.1% | Reduced |
| Hantz Financial Services, Inc. | 26,617 | $18.0M | 0.27% | −2,148−7.5% | Reduced |
| F/M Investments LLC | 26,546 | $18.0M | 0.68% | −669−2.5% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 26,376 | $17.8M | 0.09% | −83−0.3% | Reduced |
| Rafferty Asset Management, LLC | 26,112 | $17.7M | 0.06% | −1,429−5.2% | Reduced |
| Kames Capital plc | 26,068 | $17.6M | 0.21% | −1,247−4.6% | Reduced |
| Van Eck Associates Corp | 25,925 | $17.5M | 0.01% | +1,824+7.6% | Added |
| O'Shaughnessy Asset Management, LLC | 25,672 | $17.4M | 0.10% | +3,685+16.8% | Added |
| Resona Asset Management Co.,Ltd. | 25,338 | $17.2M | 0.08% | −1,046−4.0% | Reduced |
| Man Group plc | 25,412 | $17.2M | 0.03% | +2,866+12.7% | Added |
| Fred Alger Management, LLC | 24,952 | $16.9M | 0.07% | −2,123−7.8% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 24,916 | $16.9M | 0.12% | +10,776+76.2% | Added |
| Cetera Investment Advisers | 24,854 | $16.8M | 0.02% | +2,420+10.8% | Added |
| Eurizon Capital SGR S.p.A. | 24,379 | $16.5M | 0.05% | +24,379 | New |
| Xponance, Inc. | 24,341 | $16.5M | 0.12% | +852+3.6% | Added |
| Woodstock Corp | 24,168 | $16.4M | 1.40% | −55−0.2% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 23,972 | $16.2M | 0.14% | +380+1.6% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 23,970 | $16.2M | 0.07% | +2,021+9.2% | Added |
| CIBC World Markets Inc. | 23,857 | $16.1M | 0.03% | +16,115+208.2% | Added |
| Lyell Wealth Management, LP | 23,313 | $15.8M | 1.14% | +136+0.6% | Added |
| Storebrand Asset Management AS | 23,139 | $15.7M | 0.04% | +408+1.8% | Added |
| MetLife Investment Management | 22,981 | $15.5M | 0.08% | −705−3.0% | Reduced |
| Cerity Partners LLC | 22,705 | $15.4M | 0.02% | +1,410+6.6% | Added |
| Daiwa Securities Group Inc. | 22,490 | $15.2M | 0.05% | −660−2.9% | Reduced |
| ExodusPoint Capital Management, LP | 22,386 | $15.1M | 0.17% | +22,386 | New |
| Nissay Asset Management Corp | 22,016 | $14.9M | 0.08% | +1,032+4.9% | Added |
| Arizona State Retirement System | 21,936 | $14.8M | 0.08% | −1,795−7.6% | Reduced |
| HM Payson & Co | 21,796 | $14.7M | 0.21% | −349−1.6% | Reduced |
| OP Asset Management Ltd | 21,786 | $14.7M | 0.18% | +6,823+45.6% | Added |
| Acadian Asset Management LLC | 21,460 | $14.5M | 0.02% | +20,094+1,471.0% | Added |
| Guggenheim Capital LLC | 21,342 | $14.4M | 0.11% | +1,402+7.0% | Added |
| Keybank National Association | 21,217 | $14.4M | 0.05% | +407+2.0% | Added |
| Mutual of America Capital Management LLC | 21,081 | $14.3M | 0.15% | +2,861+15.7% | Added |
| Czech National Bank | 21,056 | $14.2M | 0.09% | +736+3.6% | Added |
| Truist Financial Corp | 20,598 | $13.9M | 0.02% | −1,993−8.8% | Reduced |
| Jupiter Asset Management Ltd | 20,362 | $13.8M | 0.11% | +20,362 | New |
| Progressive Investment Management Corp | 20,285 | $13.7M | 3.28% | −175−0.9% | Reduced |
| Jacobson & Schmitt Advisors, LLC | 20,284 | $13.7M | 2.31% | +179+0.9% | Added |
| Jefferies Financial Group Inc. | 20,072 | $13.6M | 0.11% | −393−1.9% | Reduced |
| Susquehanna International Group, LLP | 20,064 | $13.6M | 0.02% | −2,457−10.9% | Reduced |
| GF Fund Management Co. Ltd. | 19,010 | $12.9M | 0.22% | +786+4.3% | Added |
| Pathstone Holdings, LLC | 18,803 | $12.7M | 0.05% | −1,031−5.2% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 18,574 | $12.6M | 0.06% | −638−3.3% | Reduced |
| Coalescence Partners Investment Management, LP | 18,559 | $12.6M | 2.96% | 00.0% | Unchanged |
| Pinebridge Investments LLC | 18,471 | $12.5M | 0.09% | +18,471 | New |
| EFG International AG | 18,437 | $12.5M | 0.24% | +18,437 | New |
| Strategic Global Advisors, LLC | 18,155 | $12.3M | 1.90% | +280+1.6% | Added |
| Glenmede Trust Co NA | 17,901 | $12.1M | 0.06% | +17,901 | New |
| Citadel Advisors LLC | 17,843 | $12.1M | 0.01% | −9,733−35.3% | Reduced |
| Midwest Trust Co | 17,750 | $12.0M | 0.15% | +3,969+28.8% | Added |
| Amalgamated Bank | 17,523 | $11.9M | 0.09% | −695−3.8% | Reduced |
| Comerica Bank | 17,493 | $11.8M | 0.05% | −9,639−35.5% | Reduced |
| IFM Investors Pty Ltd | 17,471 | $11.8M | 0.10% | +298+1.7% | Added |
| Nomura Holdings Inc | 17,413 | $11.8M | 0.03% | +13,673+365.6% | Added |
| Bath Savings Trust Co | 17,371 | $11.8M | 1.17% | −298−1.7% | Reduced |
| Retirement Systems of Alabama | 16,987 | $11.5M | 0.04% | −81−0.5% | Reduced |
| Wealthfront Advisers LLC | 16,915 | $11.4M | 0.03% | +7,438+78.5% | Added |
| Macquarie Group Ltd | 16,853 | $11.4M | 0.05% | −509,777−96.8% | Reduced |
| Erste Asset Management GmbH | 16,557 | $11.4M | 0.10% | +6,800+69.7% | Added |
| Carderock Capital Management Inc | 16,775 | $11.3M | 2.75% | −209−1.2% | Reduced |
| FIL Ltd | 16,755 | $11.3M | 0.01% | +1,495+9.8% | Added |
| Kornitzer Capital Management Inc | 16,744 | $11.3M | 0.24% | 00.0% | Unchanged |
| Nordea Investment Management AB | 16,597 | $11.3M | 0.01% | +8,845+114.1% | Added |
| State of Tennessee, Treasury Department | 16,721 | $11.2M | 0.04% | −2,751−14.1% | Reduced |
| DnB Asset Management AS | 16,488 | $11.2M | 0.04% | +716+4.5% | Added |
| B. Metzler seel. Sohn & Co. AG | 16,376 | $11.1M | 0.10% | −571−3.4% | Reduced |
| USS Investment Management Ltd | 16,296 | $11.0M | 0.05% | −66−0.4% | Reduced |
| Northstar Asset Management Inc | 16,285 | $11.0M | 2.85% | −2,277−12.3% | Reduced |
| JustInvest LLC | 15,942 | $10.8M | 0.11% | +758+5.0% | Added |
| US Bancorp | 15,502 | $10.5M | 0.01% | +243+1.6% | Added |
| Flputnam Investment Management Co | 15,420 | $10.4M | 0.15% | −56−0.4% | Reduced |
| Qube Research & Technologies Ltd | 15,219 | $10.3M | 0.01% | +6,346+71.5% | Added |