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 |
|---|---|---|---|---|---|
| Brown Advisory Inc | 108,761 | $58.3M | 0.08% | −10,408−8.7% | Reduced |
| Bradley Foster & Sargent Inc | 104,695 | $56.2M | 0.88% | +846+0.8% | Added |
| Quantum Capital Management, LLC | 104,427 | $56.0M | 6.05% | −13,140−11.2% | Reduced |
| Stephens Investment Management Group LLC | 103,353 | $55.4M | 0.73% | −8,059−7.2% | Reduced |
| Los Angeles Capital Management LLC | 102,203 | $54.8M | 0.21% | +82,053+407.2% | Added |
| Davis R M Inc | 101,363 | $54.4M | 1.01% | −1,548−1.5% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 99,827 | $53.5M | 0.13% | −228−0.2% | Reduced |
| Riverbridge Partners LLC | 99,330 | $53.3M | 0.86% | −3,162−3.1% | Reduced |
| BLI - Banque de Luxembourg Investments | 98,900 | $52.5M | 1.50% | −20,500−17.2% | Reduced |
| Manitou Investment Management Ltd. | 95,487 | $51.2M | 9.74% | +39,233+69.7% | Added |
| Standard Life Aberdeen plc | 92,637 | $49.7M | 0.08% | +2,506+2.8% | Added |
| Royal London Asset Management Ltd | 90,979 | $48.8M | 0.11% | −930−1.0% | Reduced |
| Lazard Freres Gestion S.A.S. | 90,904 | $48.8M | 1.02% | +9,671+11.9% | Added |
| Thrivent Financial for Lutherans | 89,806 | $48.2M | 0.11% | −11,807−11.6% | Reduced |
| Pictet & Cie (Europe) SA | 89,000 | $47.7M | 1.02% | 00.0% | Unchanged |
| Pinebridge Investments, L.P. | 87,106 | $46.7M | 0.38% | −21,258−19.6% | Reduced |
| Chicago Capital, LLC | 86,322 | $46.3M | 1.14% | −977−1.1% | Reduced |
| KBC Group NV | 85,667 | $45.9M | 0.12% | +8,130+10.5% | Added |
| Mogy Joel R Investment Counsel Inc | 85,181 | $45.7M | 2.64% | −543−0.6% | Reduced |
| Canada Pension Plan Investment Board | 84,718 | $45.4M | 0.04% | +3,154+3.9% | Added |
| Martin Currie Ltd | 82,254 | $44.1M | 1.69% | +3,039+3.8% | Added |
| State Board of Administration of Florida Retirement System | 80,822 | $43.3M | 0.08% | +376+0.5% | Added |
| National Bank of Canada | 80,154 | $43.0M | 0.05% | +5,215+7.0% | Added |
| Candriam Luxembourg S.C.A. | 79,028 | $42.4M | 0.24% | −3,163−3.8% | Reduced |
| Millennium Management LLC | 78,778 | $42.3M | 0.04% | +39,270+99.4% | Added |
| Bellevue Group AG | 76,548 | $41.1M | 0.90% | −349−0.5% | Reduced |
| Local Pensions Partnership Investment Ltd | 75,826 | $40.7M | 0.75% | 00.0% | Unchanged |
| Great West Life Assurance Co | 74,735 | $40.1M | 0.06% | −911−1.2% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 74,766 | $40.1M | 0.09% | −4,976−6.2% | Reduced |
| New York State Teachers Retirement System | 67,617 | $36.3M | 0.08% | +97+0.1% | Added |
| Raiffeisen Bank International AG | 67,448 | $35.8M | 0.53% | −20,708−23.5% | Reduced |
| Assetmark, Inc | 64,785 | $34.7M | 0.08% | +11,830+22.3% | Added |
| Vantage Investment Partners, LLC | 64,765 | $34.7M | 2.53% | +11,548+21.7% | Added |
| Korea Investment CORP | 63,313 | $34.0M | 0.08% | +8,714+16.0% | Added |
| Prudential Financial Inc | 63,121 | $33.9M | 0.04% | +20,670+48.7% | Added |
| Assenagon Asset Management S.A. | 62,731 | $33.6M | 0.05% | −143,820−69.6% | Reduced |
| Aware Super Pty Ltd as trustee of Aware Super | 62,291 | $33.4M | 0.49% | +18,375+41.8% | Added |
| Aviva PLC | 61,499 | $33.0M | 0.07% | −77,128−55.6% | Reduced |
| Factory Mutual Insurance Co | 61,100 | $32.8M | 0.36% | +13,500+28.4% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 60,867 | $32.6M | 0.07% | +25,217+70.7% | Added |
| Nomura Asset Management Co Ltd | 60,561 | $32.5M | 0.09% | +1,665+2.8% | Added |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 60,300 | $32.3M | 1.74% | 00.0% | Unchanged |
| Man Group plc | 59,838 | $32.1M | 0.07% | +14,729+32.7% | Added |
| Virginia Retirement Systems Et Al | 59,308 | $31.8M | 0.22% | +14,200+31.5% | Added |
| Adage Capital Partners GP, L.L.C. | 59,201 | $31.8M | 0.05% | +59,201 | New |
| AXA S.A. | 59,141 | $31.7M | 0.09% | +37,907+178.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 58,054 | $31.1M | 0.06% | −9,161−13.6% | Reduced |
| Ninety One UK Ltd | 57,928 | $31.1M | 0.07% | −6,681−10.3% | Reduced |
| New York State Common Retirement Fund | 56,405 | $30.3M | 0.04% | −24,581−30.4% | Reduced |
| Villere St Denis J & Co LLC | 56,241 | $30.2M | 2.90% | −6,564−10.5% | Reduced |
| Asset Management One Co.,Ltd. | 55,620 | $29.8M | 0.09% | −252−0.5% | Reduced |
| Rockefeller Capital Management L.P. | 54,825 | $29.4M | 0.06% | +3,399+6.6% | Added |
| DekaBank Deutsche Girozentrale | 54,792 | $29.2M | 0.05% | +2,535+4.9% | Added |
| Manufacturers Life Insurance Company, The | 54,019 | $29.0M | 0.03% | −8,091−13.0% | Reduced |
| Biondo Investment Advisors, LLC | 52,987 | $28.4M | 3.75% | −842−1.6% | Reduced |
| Harvey Investment Co LLC | 52,643 | $28.2M | 3.10% | +150+0.3% | Added |
| SG Americas Securities, LLC | 52,280 | $28.0M | 0.12% | −86,215−62.3% | Reduced |
| Colony Group, LLC | 51,194 | $27.5M | 0.06% | +4,363+9.3% | Added |
| Baird Financial Group, Inc. | 50,403 | $27.0M | 0.05% | +1,080+2.2% | Added |
| Schaper Benz & Wise Investment Counsel Inc | 50,173 | $26.9M | 2.06% | +339+0.7% | Added |
| Prudential PLC | 49,758 | $26.7M | 0.16% | −11,128−18.3% | Reduced |
| Beacon Investment Advisory Services, Inc. | 48,625 | $26.1M | 1.15% | −16,653−25.5% | Reduced |
| State of Wisconsin Investment Board | 48,369 | $25.9M | 0.06% | −10,164−17.4% | Reduced |
| Kames Capital plc | 48,308 | $25.9M | 0.33% | +16,237+50.6% | Added |
| Natixis Advisors, L.P. | 47,408 | $25.4M | 0.04% | −353−0.7% | Reduced |
| Worldquant Millennium Advisors LLC | 47,227 | $25.3M | 0.13% | +42,128+826.2% | Added |
| Howland Capital Management LLC | 47,100 | $25.3M | 1.03% | −782−1.6% | Reduced |
| DF Dent & Co Inc | 46,216 | $24.8M | 0.31% | −8,102−14.9% | Reduced |
| Spence Asset Management | 45,745 | $24.5M | 5.02% | −91−0.2% | Reduced |
| Geneva Capital Management LLC | 44,019 | $23.6M | 0.40% | +1,425+3.3% | Added |
| Citadel Advisors LLC | 43,382 | $23.3M | 0.02% | +42,310+3,946.8% | Added |
| The PNC Financial Services Group, Inc. | 42,921 | $23.0M | 0.01% | +537+1.3% | Added |
| Waycross Partners, LLC | 42,510 | $22.8M | 2.15% | +1,557+3.8% | Added |
| Chevy Chase Trust Holdings, Inc. | 42,481 | $22.8M | 0.07% | −494−1.1% | Reduced |
| Danske Bank A/S | 41,387 | $22.2M | 0.06% | +1,348+3.4% | Added |
| Trexquant Investment LP | 41,173 | $22.1M | 0.25% | +41,173 | New |
| State of Michigan Retirement System | 40,755 | $21.9M | 0.11% | −200−0.5% | Reduced |
| Ensign Peak Advisors, Inc | 40,250 | $21.6M | 0.04% | −2,887−6.7% | Reduced |
| Nisa Investment Advisors, LLC | 40,166 | $21.5M | 0.10% | −52−0.1% | Reduced |
| Capital Investment Services of America, Inc. | 39,862 | $21.4M | 1.96% | +328+0.8% | Added |
| KLP Kapitalforvaltning AS | 39,600 | $21.2M | 0.09% | +1,200+3.1% | Added |
| TCG Advisory Services, LLC | 39,474 | $21.2M | 0.74% | −225−0.6% | Reduced |
| Marble Harbor Investment Counsel, LLC | 38,918 | $20.9M | 2.27% | −804−2.0% | Reduced |
| Glenview Trust Co | 38,417 | $20.6M | 0.36% | +3,844+11.1% | Added |
| State of Tennessee, Treasury Department | 38,311 | $20.5M | 0.07% | +20,941+120.6% | Added |
| NS Partners Ltd | 37,994 | $20.4M | 0.83% | −1,170−3.0% | Reduced |
| Coalescence Partners Investment Management, LP | 37,706 | $20.2M | 5.30% | +37,706 | New |
| Treasurer of the State of North Carolina | 37,694 | $20.2M | 0.06% | +499+1.3% | Added |
| Toronto Dominion Bank | 36,620 | $19.6M | 0.04% | +5,692+18.4% | Added |
| GW Henssler & Associates Ltd | 36,391 | $19.5M | 1.04% | −29−0.1% | Reduced |
| LPL Financial LLC | 36,092 | $19.4M | 0.01% | −1,408−3.8% | Reduced |
| Academy Capital Management Inc | 35,762 | $19.2M | 2.74% | −32−0.1% | Reduced |
| Swedbank AB | 35,725 | $19.2M | 0.02% | +35,725 | New |
| Stifel Financial Corp | 35,404 | $19.0M | 0.02% | +1,856+5.5% | Added |
| Janney Montgomery Scott LLC | 35,327 | $18.9M | 0.05% | −8,459−19.3% | Reduced |
| Franklin Street Advisors Inc | 35,131 | $18.8M | 1.17% | +3,222+10.1% | Added |
| Nicola Wealth Management Ltd. | 34,800 | $18.7M | 1.75% | −4,500−11.5% | Reduced |
| GW&K Investment Management, LLC | 34,681 | $18.6M | 0.17% | −815−2.3% | Reduced |
| Gotham Asset Management, LLC | 34,657 | $18.6M | 0.11% | +14,208+69.5% | Added |
| Oppenheimer Asset Management Inc. | 33,628 | $18.0M | 0.21% | +22,150+193.0% | Added |