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 |
|---|---|---|---|---|---|
| Wealthfront Advisers LLC | 16,915 | $11.4M | 0.03% | +7,438+78.5% | Added |
| Retirement Systems of Alabama | 16,987 | $11.5M | 0.04% | −81−0.5% | Reduced |
| Bath Savings Trust Co | 17,371 | $11.8M | 1.17% | −298−1.7% | Reduced |
| Nomura Holdings Inc | 17,413 | $11.8M | 0.03% | +13,673+365.6% | Added |
| IFM Investors Pty Ltd | 17,471 | $11.8M | 0.10% | +298+1.7% | Added |
| Comerica Bank | 17,493 | $11.8M | 0.05% | −9,639−35.5% | Reduced |
| Amalgamated Bank | 17,523 | $11.9M | 0.09% | −695−3.8% | Reduced |
| Midwest Trust Co | 17,750 | $12.0M | 0.15% | +3,969+28.8% | Added |
| Citadel Advisors LLC | 17,843 | $12.1M | 0.01% | −9,733−35.3% | Reduced |
| Glenmede Trust Co NA | 17,901 | $12.1M | 0.06% | +17,901 | New |
| Strategic Global Advisors, LLC | 18,155 | $12.3M | 1.90% | +280+1.6% | Added |
| EFG International AG | 18,437 | $12.5M | 0.24% | +18,437 | New |
| Pinebridge Investments LLC | 18,471 | $12.5M | 0.09% | +18,471 | New |
| Coalescence Partners Investment Management, LP | 18,559 | $12.6M | 2.96% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 18,574 | $12.6M | 0.06% | −638−3.3% | Reduced |
| Pathstone Holdings, LLC | 18,803 | $12.7M | 0.05% | −1,031−5.2% | Reduced |
| GF Fund Management Co. Ltd. | 19,010 | $12.9M | 0.22% | +786+4.3% | Added |
| Susquehanna International Group, LLP | 20,064 | $13.6M | 0.02% | −2,457−10.9% | Reduced |
| Jefferies Financial Group Inc. | 20,072 | $13.6M | 0.11% | −393−1.9% | Reduced |
| Jacobson & Schmitt Advisors, LLC | 20,284 | $13.7M | 2.31% | +179+0.9% | Added |
| Progressive Investment Management Corp | 20,285 | $13.7M | 3.28% | −175−0.9% | Reduced |
| Jupiter Asset Management Ltd | 20,362 | $13.8M | 0.11% | +20,362 | New |
| Truist Financial Corp | 20,598 | $13.9M | 0.02% | −1,993−8.8% | Reduced |
| Czech National Bank | 21,056 | $14.2M | 0.09% | +736+3.6% | Added |
| Mutual of America Capital Management LLC | 21,081 | $14.3M | 0.15% | +2,861+15.7% | Added |
| Keybank National Association | 21,217 | $14.4M | 0.05% | +407+2.0% | Added |
| Guggenheim Capital LLC | 21,342 | $14.4M | 0.11% | +1,402+7.0% | Added |
| Acadian Asset Management LLC | 21,460 | $14.5M | 0.02% | +20,094+1,471.0% | Added |
| OP Asset Management Ltd | 21,786 | $14.7M | 0.18% | +6,823+45.6% | Added |
| HM Payson & Co | 21,796 | $14.7M | 0.21% | −349−1.6% | Reduced |
| Arizona State Retirement System | 21,936 | $14.8M | 0.08% | −1,795−7.6% | Reduced |
| Nissay Asset Management Corp | 22,016 | $14.9M | 0.08% | +1,032+4.9% | Added |
| ExodusPoint Capital Management, LP | 22,386 | $15.1M | 0.17% | +22,386 | New |
| Daiwa Securities Group Inc. | 22,490 | $15.2M | 0.05% | −660−2.9% | Reduced |
| Cerity Partners LLC | 22,705 | $15.4M | 0.02% | +1,410+6.6% | Added |
| MetLife Investment Management | 22,981 | $15.5M | 0.08% | −705−3.0% | Reduced |
| Storebrand Asset Management AS | 23,139 | $15.7M | 0.04% | +408+1.8% | Added |
| Lyell Wealth Management, LP | 23,313 | $15.8M | 1.14% | +136+0.6% | Added |
| CIBC World Markets Inc. | 23,857 | $16.1M | 0.03% | +16,115+208.2% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 23,970 | $16.2M | 0.07% | +2,021+9.2% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 23,972 | $16.2M | 0.14% | +380+1.6% | Added |
| Woodstock Corp | 24,168 | $16.4M | 1.40% | −55−0.2% | Reduced |
| Xponance, Inc. | 24,341 | $16.5M | 0.12% | +852+3.6% | Added |
| Eurizon Capital SGR S.p.A. | 24,379 | $16.5M | 0.05% | +24,379 | New |
| Cetera Investment Advisers | 24,854 | $16.8M | 0.02% | +2,420+10.8% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 24,916 | $16.9M | 0.12% | +10,776+76.2% | Added |
| Fred Alger Management, LLC | 24,952 | $16.9M | 0.07% | −2,123−7.8% | Reduced |
| Man Group plc | 25,412 | $17.2M | 0.03% | +2,866+12.7% | Added |
| Resona Asset Management Co.,Ltd. | 25,338 | $17.2M | 0.08% | −1,046−4.0% | Reduced |
| O'Shaughnessy Asset Management, LLC | 25,672 | $17.4M | 0.10% | +3,685+16.8% | Added |
| Van Eck Associates Corp | 25,925 | $17.5M | 0.01% | +1,824+7.6% | Added |
| Kames Capital plc | 26,068 | $17.6M | 0.21% | −1,247−4.6% | Reduced |
| Rafferty Asset Management, LLC | 26,112 | $17.7M | 0.06% | −1,429−5.2% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 26,376 | $17.8M | 0.09% | −83−0.3% | Reduced |
| F/M Investments LLC | 26,546 | $18.0M | 0.68% | −669−2.5% | Reduced |
| Hantz Financial Services, Inc. | 26,617 | $18.0M | 0.27% | −2,148−7.5% | Reduced |
| Ninety One UK Ltd | 26,650 | $18.0M | 0.04% | −8,912−25.1% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 25,694 | $18.2M | 0.02% | −84−0.3% | Reduced |
| Boston Family Office LLC | 27,055 | $18.3M | 1.16% | −612−2.2% | Reduced |
| HighTower Advisors, LLC | 27,500 | $18.6M | 0.02% | −219−0.8% | Reduced |
| State of New Jersey Common Pension Fund D | 27,643 | $18.7M | 0.07% | −665−2.3% | Reduced |
| Toronto Dominion Bank | 28,019 | $19.0M | 0.03% | −4,135−12.9% | Reduced |
| Brasada Capital Management, LP | 28,859 | $19.3M | 3.33% | −1,426−4.7% | Reduced |
| First Citizens Bank & Trust Co | 28,894 | $19.5M | 0.41% | +8,366+40.8% | Added |
| GW&K Investment Management, LLC | 29,110 | $19.7M | 0.17% | +10.0% | Added |
| Toroso Investments, LLC | 29,243 | $19.8M | 0.08% | −6,858−19.0% | Reduced |
| Public Employees Retirement System of Ohio | 29,305 | $19.8M | 0.06% | −55−0.2% | Reduced |
| Captrust Financial Advisors | 29,424 | $19.9M | 0.04% | +20,361+224.7% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 30,146 | $20.4M | 0.18% | −14,883−33.1% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 30,675 | $20.8M | 0.07% | +9,580+45.4% | Added |
| Spence Asset Management | 30,690 | $20.8M | 4.24% | −451−1.4% | Reduced |
| Advisor Group Holdings, Inc. | 30,948 | $20.9M | 0.03% | +14,538+88.6% | Added |
| Bourne Lent Asset Management Inc | 31,133 | $21.1M | 6.99% | −271−0.9% | Reduced |
| Premier Fund Managers Ltd | 31,037 | $21.2M | 1.22% | −52,065−62.7% | Reduced |
| State of Michigan Retirement System | 31,355 | $21.2M | 0.10% | −600−1.9% | Reduced |
| Mn Services Vermogensbeheer B.V. | 31,528 | $21.3M | 0.13% | +868+2.8% | Added |
| Azimuth Capital Investment Management LLC | 31,825 | $21.5M | 0.77% | −137−0.4% | Reduced |
| KLP Kapitalforvaltning AS | 33,280 | $22.5M | 0.09% | +80+0.2% | Added |
| Parnassus Investments | 33,651 | $22.8M | 0.06% | +774+2.4% | Added |
| GW Henssler & Associates Ltd | 33,737 | $22.8M | 1.10% | −2,095−5.8% | Reduced |
| Oppenheimer Asset Management Inc. | 34,100 | $23.1M | 0.28% | +3,930+13.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 34,156 | $23.1M | 0.05% | +11,738+52.4% | Added |
| TCG Advisory Services, LLC | 34,630 | $23.4M | 0.64% | −205−0.6% | Reduced |
| Glenview Trust Co | 34,787 | $23.5M | 0.36% | −5,942−14.6% | Reduced |
| Intech Investment Management LLC | 35,094 | $23.7M | 0.21% | +31,802+966.0% | Added |
| Academy Capital Management Inc | 35,240 | $23.8M | 3.17% | −212−0.6% | Reduced |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 35,300 | $23.9M | 1.42% | −21,500−37.9% | Reduced |
| Mediolanum International Funds Ltd | 35,131 | $24.0M | 0.24% | −3,630−9.4% | Reduced |
| NS Partners Ltd | 35,564 | $24.1M | 0.94% | −2,346−6.2% | Reduced |
| Forsta Ap-Fonden | 35,920 | $24.3M | 0.14% | −2,480−6.5% | Reduced |
| Creative Planning | 36,163 | $24.5M | 0.02% | +2,894+8.7% | Added |
| Swiss Life Asset Management Ltd | 36,450 | $24.7M | 0.13% | +9,910+37.3% | Added |
| Marble Harbor Investment Counsel, LLC | 36,520 | $24.7M | 2.64% | −135−0.4% | Reduced |
| Handelsbanken Fonder AB | 36,859 | $24.9M | 0.08% | +3,264+9.7% | Added |
| NEOS Investment Management LLC | 37,607 | $25.4M | 0.15% | +7,556+25.1% | Added |
| CIBC Asset Management Inc | 37,818 | $25.6M | 0.06% | +8,274+28.0% | Added |
| Swedbank AB | 37,962 | $25.7M | 0.02% | +130+0.3% | Added |
| Andra AP-fonden | 38,320 | $25.9M | 0.32% | +8,420+28.2% | Added |
| Stifel Financial Corp | 38,362 | $26.0M | 0.02% | +1,337+3.6% | Added |
| Capital Investment Services of America, Inc. | 38,371 | $26.0M | 2.45% | −1,390−3.5% | Reduced |