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, Q2 2025
Institutional positions in IDEXX Laboratories Inc as of Jun 30, 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
- 1,234
- +104 vs. Q1 2025
- Shares held
- 74.5M
- +503.9K (+0.7%) vs. Q1 2025
- Total value
- $40.0B
- +$8.90B (+28.6%) vs. Q1 2025
- New holders
- 198
- 425 more added
- Sold out
- 94
- 419 more reduced
13 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Quantinno Capital Management LP | 24,778 | $13.3M | 0.06% | +5,704+29.9% | Added |
| Cobblestone Capital Advisors LLC | 24,823 | $13.3M | 0.68% | +235+1.0% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 25,492 | $13.7M | 0.13% | +3,700+17.0% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 25,496 | $13.7M | 0.08% | −1,545−5.7% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 25,626 | $14.0M | 0.02% | +73+0.3% | Added |
| Truist Financial Corp | 26,454 | $14.2M | 0.02% | −322−1.2% | Reduced |
| Jacobson & Schmitt Advisors, LLC | 26,899 | $14.4M | 2.56% | +1,912+7.7% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 27,181 | $14.6M | 0.14% | +20,052+281.3% | Added |
| F/M Investments LLC | 27,311 | $14.6M | 0.53% | +133+0.5% | Added |
| State of New Jersey Common Pension Fund D | 27,451 | $14.7M | 0.06% | 00.0% | Unchanged |
| Waratah Capital Advisors Ltd. | 27,709 | $14.9M | 1.01% | −95,684−77.5% | Reduced |
| Public Employees Retirement System of Ohio | 27,716 | $14.9M | 0.05% | +1,041+3.9% | Added |
| Boston Family Office LLC | 27,927 | $15.0M | 0.99% | −731−2.6% | Reduced |
| Resona Asset Management Co.,Ltd. | 28,079 | $15.0M | 0.07% | +1,255+4.7% | Added |
| Bank of Nova Scotia | 28,335 | $15.2M | 0.03% | −58,692−67.4% | Reduced |
| Creative Planning | 29,068 | $15.6M | 0.01% | +3,052+11.7% | Added |
| CIBC Asset Management Inc | 29,354 | $15.7M | 0.05% | +2,926+11.1% | Added |
| Federated Hermes, Inc. | 29,444 | $15.8M | 0.03% | −2,313−7.3% | Reduced |
| Vinva Investment Management Ltd | 29,789 | $15.8M | 0.42% | −176−0.6% | Reduced |
| Mn Services Vermogensbeheer B.V. | 30,260 | $16.2M | 0.11% | +200+0.7% | Added |
| Rafferty Asset Management, LLC | 30,984 | $16.6M | 0.05% | −6,760−17.9% | Reduced |
| Wilson Asset Management (International) Pty Ltd | 31,034 | $16.6M | 4.09% | 00.0% | Unchanged |
| Bourne Lent Asset Management Inc | 31,597 | $16.9M | 6.56% | −205−0.6% | Reduced |
| RMB Capital Management, LLC | 31,645 | $17.0M | 0.32% | +22,122+232.3% | Added |
| HighTower Advisors, LLC | 31,978 | $17.2M | 0.02% | +2,349+7.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 32,304 | $17.3M | 0.06% | −1,173−3.5% | Reduced |
| Hantz Financial Services, Inc. | 32,641 | $17.5M | 0.28% | +24,633+307.6% | Added |
| Lountzis Asset Management, LLC | 32,708 | $17.5M | 6.18% | +120.0% | Added |
| Brasada Capital Management, LP | 32,179 | $17.6M | 2.99% | −658−2.0% | Reduced |
| Forsta Ap-Fonden | 33,000 | $17.7M | 0.12% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 33,122 | $17.8M | 0.07% | −31,078−48.4% | Reduced |
| Parnassus Investments | 33,237 | $17.8M | 0.04% | −3,416−9.3% | Reduced |
| Handelsbanken Fonder AB | 33,479 | $18.0M | 0.06% | −2,572−7.1% | Reduced |
| Mediolanum International Funds Ltd | 33,852 | $18.0M | 0.22% | −1,915−5.4% | Reduced |
| Oppenheimer Asset Management Inc. | 33,628 | $18.0M | 0.21% | +22,150+193.0% | Added |
| Gotham Asset Management, LLC | 34,657 | $18.6M | 0.11% | +14,208+69.5% | Added |
| GW&K Investment Management, LLC | 34,681 | $18.6M | 0.17% | −815−2.3% | Reduced |
| Nicola Wealth Management Ltd. | 34,800 | $18.7M | 1.75% | −4,500−11.5% | Reduced |
| Franklin Street Advisors Inc | 35,131 | $18.8M | 1.17% | +3,222+10.1% | Added |
| Janney Montgomery Scott LLC | 35,327 | $18.9M | 0.05% | −8,459−19.3% | Reduced |
| Stifel Financial Corp | 35,404 | $19.0M | 0.02% | +1,856+5.5% | Added |
| Swedbank AB | 35,725 | $19.2M | 0.02% | +35,725 | New |
| Academy Capital Management Inc | 35,762 | $19.2M | 2.74% | −32−0.1% | Reduced |
| LPL Financial LLC | 36,092 | $19.4M | 0.01% | −1,408−3.8% | Reduced |
| GW Henssler & Associates Ltd | 36,391 | $19.5M | 1.04% | −29−0.1% | Reduced |
| Toronto Dominion Bank | 36,620 | $19.6M | 0.04% | +5,692+18.4% | Added |
| Treasurer of the State of North Carolina | 37,694 | $20.2M | 0.06% | +499+1.3% | Added |
| Coalescence Partners Investment Management, LP | 37,706 | $20.2M | 5.30% | +37,706 | New |
| NS Partners Ltd | 37,994 | $20.4M | 0.83% | −1,170−3.0% | Reduced |
| State of Tennessee, Treasury Department | 38,311 | $20.5M | 0.07% | +20,941+120.6% | Added |
| Glenview Trust Co | 38,417 | $20.6M | 0.36% | +3,844+11.1% | Added |
| Marble Harbor Investment Counsel, LLC | 38,918 | $20.9M | 2.27% | −804−2.0% | Reduced |
| TCG Advisory Services, LLC | 39,474 | $21.2M | 0.74% | −225−0.6% | Reduced |
| KLP Kapitalforvaltning AS | 39,600 | $21.2M | 0.09% | +1,200+3.1% | Added |
| Capital Investment Services of America, Inc. | 39,862 | $21.4M | 1.96% | +328+0.8% | Added |
| Nisa Investment Advisors, LLC | 40,166 | $21.5M | 0.10% | −52−0.1% | Reduced |
| Ensign Peak Advisors, Inc | 40,250 | $21.6M | 0.04% | −2,887−6.7% | Reduced |
| State of Michigan Retirement System | 40,755 | $21.9M | 0.11% | −200−0.5% | Reduced |
| Trexquant Investment LP | 41,173 | $22.1M | 0.25% | +41,173 | New |
| Danske Bank A/S | 41,387 | $22.2M | 0.06% | +1,348+3.4% | Added |
| Chevy Chase Trust Holdings, Inc. | 42,481 | $22.8M | 0.07% | −494−1.1% | Reduced |
| Waycross Partners, LLC | 42,510 | $22.8M | 2.15% | +1,557+3.8% | Added |
| The PNC Financial Services Group, Inc. | 42,921 | $23.0M | 0.01% | +537+1.3% | Added |
| Citadel Advisors LLC | 43,382 | $23.3M | 0.02% | +42,310+3,946.8% | Added |
| Geneva Capital Management LLC | 44,019 | $23.6M | 0.40% | +1,425+3.3% | Added |
| Spence Asset Management | 45,745 | $24.5M | 5.02% | −91−0.2% | Reduced |
| DF Dent & Co Inc | 46,216 | $24.8M | 0.31% | −8,102−14.9% | Reduced |
| Howland Capital Management LLC | 47,100 | $25.3M | 1.03% | −782−1.6% | Reduced |
| Worldquant Millennium Advisors LLC | 47,227 | $25.3M | 0.13% | +42,128+826.2% | Added |
| Natixis Advisors, L.P. | 47,408 | $25.4M | 0.04% | −353−0.7% | Reduced |
| Kames Capital plc | 48,308 | $25.9M | 0.33% | +16,237+50.6% | Added |
| State of Wisconsin Investment Board | 48,369 | $25.9M | 0.06% | −10,164−17.4% | Reduced |
| Beacon Investment Advisory Services, Inc. | 48,625 | $26.1M | 1.15% | −16,653−25.5% | Reduced |
| Prudential PLC | 49,758 | $26.7M | 0.16% | −11,128−18.3% | Reduced |
| Schaper Benz & Wise Investment Counsel Inc | 50,173 | $26.9M | 2.06% | +339+0.7% | Added |
| Baird Financial Group, Inc. | 50,403 | $27.0M | 0.05% | +1,080+2.2% | Added |
| Colony Group, LLC | 51,194 | $27.5M | 0.06% | +4,363+9.3% | Added |
| SG Americas Securities, LLC | 52,280 | $28.0M | 0.12% | −86,215−62.3% | Reduced |
| Harvey Investment Co LLC | 52,643 | $28.2M | 3.10% | +150+0.3% | Added |
| Biondo Investment Advisors, LLC | 52,987 | $28.4M | 3.75% | −842−1.6% | Reduced |
| Manufacturers Life Insurance Company, The | 54,019 | $29.0M | 0.03% | −8,091−13.0% | Reduced |
| DekaBank Deutsche Girozentrale | 54,792 | $29.2M | 0.05% | +2,535+4.9% | Added |
| Rockefeller Capital Management L.P. | 54,825 | $29.4M | 0.06% | +3,399+6.6% | Added |
| Asset Management One Co.,Ltd. | 55,620 | $29.8M | 0.09% | −252−0.5% | Reduced |
| Villere St Denis J & Co LLC | 56,241 | $30.2M | 2.90% | −6,564−10.5% | Reduced |
| New York State Common Retirement Fund | 56,405 | $30.3M | 0.04% | −24,581−30.4% | Reduced |
| Ninety One UK Ltd | 57,928 | $31.1M | 0.07% | −6,681−10.3% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 58,054 | $31.1M | 0.06% | −9,161−13.6% | Reduced |
| AXA S.A. | 59,141 | $31.7M | 0.09% | +37,907+178.5% | Added |
| Adage Capital Partners GP, L.L.C. | 59,201 | $31.8M | 0.05% | +59,201 | New |
| Virginia Retirement Systems Et Al | 59,308 | $31.8M | 0.22% | +14,200+31.5% | Added |
| Man Group plc | 59,838 | $32.1M | 0.07% | +14,729+32.7% | Added |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 60,300 | $32.3M | 1.74% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 60,561 | $32.5M | 0.09% | +1,665+2.8% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 60,867 | $32.6M | 0.07% | +25,217+70.7% | Added |
| Factory Mutual Insurance Co | 61,100 | $32.8M | 0.36% | +13,500+28.4% | Added |
| Aviva PLC | 61,499 | $33.0M | 0.07% | −77,128−55.6% | Reduced |
| Aware Super Pty Ltd as trustee of Aware Super | 62,291 | $33.4M | 0.49% | +18,375+41.8% | Added |
| Assenagon Asset Management S.A. | 62,731 | $33.6M | 0.05% | −143,820−69.6% | Reduced |
| Prudential Financial Inc | 63,121 | $33.9M | 0.04% | +20,670+48.7% | Added |