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, Q3 2025
Institutional positions in IDEXX Laboratories Inc as of Sep 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
- 1,302
- +88 vs. Q2 2025
- Shares held
- 72.2M
- −1.78M (−2.4%) vs. Q2 2025
- Total value
- $46.1B
- +$6.43B (+16.2%) vs. Q2 2025
- New holders
- 162
- 417 more added
- Sold out
- 74
- 490 more reduced
20 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tudor Investment Corp Et Al | 6,614 | $4.23M | 0.03% | −11,313−63.1% | Reduced |
| Mercer Global Advisors Inc | 6,587 | $4.21M | 0.01% | +1,690+34.5% | Added |
| Illinois Municipal Retirement Fund | 6,470 | $4.13M | 0.05% | −659−9.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 6,421 | $4.10M | 0.03% | 00.0% | Unchanged |
| Natixis | 6,399 | $4.09M | 0.02% | +1,332+26.3% | Added |
| Wiley Bros.-Aintree Capital, LLC | 6,383 | $4.08M | 0.03% | +456+7.7% | Added |
| Omers Administration Corp | 6,383 | $4.08M | 0.03% | −600−8.6% | Reduced |
| Legal Advantage Investments, Inc. | 6,360 | $4.06M | 1.83% | −35−0.5% | Reduced |
| We Are One Seven, LLC | 6,094 | $3.89M | 0.09% | +151+2.5% | Added |
| Mizuho Securities USA LLC | 5,827 | $3.77M | 0.08% | +264+4.7% | Added |
| Cabot Wealth Management Inc | 5,840 | $3.73M | 0.41% | −22−0.4% | Reduced |
| Knollwood Investment Advisory, LLC | 5,800 | $3.71M | 0.33% | 00.0% | Unchanged |
| CWM, LLC | 5,776 | $3.69M | 0.01% | +139+2.5% | Added |
| EFG Asset Management (Americas) Corp. | 5,775 | $3.69M | 0.64% | +183+3.3% | Added |
| Ambassador Advisors, LLC | 5,761 | $3.68M | 0.55% | +5,761 | New |
| Robinson Value Management, Ltd. | 5,715 | $3.65M | 2.12% | −50−0.9% | Reduced |
| Cortland Associates Inc | 5,684 | $3.63M | 0.43% | +9+0.2% | Added |
| Childress Capital Advisors, LLC | 5,643 | $3.61M | 0.66% | +22+0.4% | Added |
| Commerce Bank | 5,628 | $3.60M | 0.02% | −132−2.3% | Reduced |
| Apollon Wealth Management, LLC | 5,603 | $3.58M | 0.06% | +9+0.2% | Added |
| Sanctuary Advisors, LLC | 5,550 | $3.55M | 0.02% | +1,094+24.6% | Added |
| Avanza Fonder AB | 5,496 | $3.51M | 0.09% | 00.0% | Unchanged |
| Metis Global Partners, LLC | 5,476 | $3.50M | 0.08% | −280−4.9% | Reduced |
| Kinneret Advisory, LLC | 5,459 | $3.49M | 0.30% | −24−0.4% | Reduced |
| Patten Group, Inc. | 5,295 | $3.38M | 0.66% | −19−0.4% | Reduced |
| Barbara Oil Co. | 5,245 | $3.35M | 1.25% | −3,250−38.3% | Reduced |
| Kraematon Investment Advisors, Inc | 5,242 | $3.35M | 2.87% | 00.0% | Unchanged |
| Portside Wealth Group, LLC | 5,213 | $3.33M | 0.46% | −397−7.1% | Reduced |
| Old Port Advisors | 5,211 | $3.33M | 0.84% | −150−2.8% | Reduced |
| Cape Cod Five Cents Savings Bank | 6,566 | $3.32M | 0.31% | 00.0% | Unchanged |
| Davenport & Co LLC | 5,190 | $3.32M | 0.02% | −1,159−18.3% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 5,185 | $3.31M | 0.01% | +185+3.7% | Added |
| GAM Holding AG | 5,137 | $3.28M | 0.20% | 00.0% | Unchanged |
| Three Seasons Wealth, LLC | 5,126 | $3.27M | 0.33% | +5,126 | New |
| Camarda Financial Advisors, LLC | 5,098 | $3.26M | 1.20% | +466+10.1% | Added |
| Tema ETFs LLC | 5,085 | $3.25M | 0.27% | +3,167+165.1% | Added |
| Kentucky Retirement Systems | 5,067 | $3.24M | 0.09% | −141−2.7% | Reduced |
| Adviser Investments LLC | 5,063 | $3.23M | 0.04% | 00.0% | Unchanged |
| Aurora Investment Managers, LLC. | 5,033 | $3.22M | 1.75% | −9−0.2% | Reduced |
| Evercore Wealth Management, LLC | 5,024 | $3.21M | 0.05% | −420−7.7% | Reduced |
| Moneta Group Investment Advisors LLC | 4,933 | $3.15M | 0.03% | −219−4.3% | Reduced |
| Tokio Marine Asset Management Co Ltd | 4,892 | $3.13M | 0.11% | −767−13.6% | Reduced |
| Greenfield Seitz Capital Management, LLC | 4,805 | $3.07M | 0.99% | −6−0.1% | Reduced |
| Umb Bank N A | 4,789 | $3.06M | 0.05% | −125−2.5% | Reduced |
| Birchbrook, Inc. | 4,718 | $3.01M | 1.56% | −30−0.6% | Reduced |
| King Luther Capital Management Corp | 4,706 | $3.01M | 0.01% | 00.0% | Unchanged |
| Allworth Financial LP | 4,697 | $3.00M | 0.01% | +23+0.5% | Added |
| Hartford Investment Management Co | 4,688 | $3.00M | 0.09% | −162−3.3% | Reduced |
| Tsai Capital Corp | 4,642 | $2.97M | 2.07% | +20.0% | Added |
| J.W. Cole Advisors, Inc. | 4,611 | $2.95M | 0.06% | +177+4.0% | Added |
| Krilogy Financial LLC | 4,049 | $2.92M | 0.11% | +4,049 | New |
| Banque Transatlantique SA | 4,485 | $2.86M | 0.07% | −608−11.9% | Reduced |
| Benjamin Edwards Inc | 4,445 | $2.84M | 0.03% | +358+8.8% | Added |
| Jensen Investment Management Inc | 4,430 | $2.83M | 0.04% | −5,980−57.4% | Reduced |
| Grimes & Company, Inc. | 4,401 | $2.81M | 0.07% | −67−1.5% | Reduced |
| Mirabella Financial Services LLP | 4,401 | $2.81M | 0.24% | +2,683+156.2% | Added |
| Banque Cantonale Vaudoise | 4,363 | $2.79M | 0.10% | −262−5.7% | Reduced |
| Sit Investment Associates Inc | 4,350 | $2.78M | 0.06% | −1,150−20.9% | Reduced |
| Boston Private Wealth LLC | 4,345 | $2.78M | 0.15% | +12+0.3% | Added |
| Spinnaker Trust | 4,335 | $2.77M | 0.15% | −76−1.7% | Reduced |
| Wealthspire Advisors, LLC | 4,315 | $2.76M | 0.01% | +211+5.1% | Added |
| Federation des caisses Desjardins du Quebec | 4,308 | $2.75M | 0.01% | +46+1.1% | Added |
| Dakota Wealth Management | 4,243 | $2.71M | 0.05% | +2,015+90.4% | Added |
| J. Safra Sarasin Holding AG | 4,241 | $2.71M | 0.04% | +631+17.5% | Added |
| Great Lakes Advisors, LLC | 4,215 | $2.69M | 0.02% | −228−5.1% | Reduced |
| Dash Acquisitions Inc. | 4,285 | $2.69M | 0.53% | +4,285 | New |
| MML Investors Services, LLC | 4,200 | $2.68M | 0.01% | −596−12.4% | Reduced |
| Martin Capital Advisors, LLP | 4,114 | $2.63M | 1.59% | +10.0% | Added |
| United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund | 4,100 | $2.62M | 0.10% | +2,300+127.8% | Added |
| Ramsay, Stattman, Vela & Price, Inc. | 4,095 | $2.62M | 0.47% | −80−1.9% | Reduced |
| Icon Wealth Advisors, LLC | 4,080 | $2.61M | 0.18% | −873−17.6% | Reduced |
| Lido Advisors, LLC | 4,066 | $2.60M | 0.01% | +2,090+105.8% | Added |
| New Age Alpha Advisors, LLC | 4,066 | $2.60M | 0.11% | +4,026+10,065.0% | Added |
| Gulf International Bank (UK) Ltd | 4,065 | $2.60M | 0.09% | −69−1.7% | Reduced |
| Maryland State Retirement & Pension System | 4,001 | $2.56M | 0.05% | +79+2.0% | Added |
| HB Wealth Management, LLC | 3,950 | $2.52M | 0.02% | +328+9.1% | Added |
| Empowered Funds, LLC | 3,932 | $2.51M | 0.03% | +2,103+115.0% | Added |
| Securian Asset Management, Inc | 3,908 | $2.50M | 0.07% | −400−9.3% | Reduced |
| Prime Capital Investment Advisors, LLC | 3,905 | $2.49M | 0.03% | −7−0.2% | Reduced |
| Steward Partners Investment Advisory, LLC | 3,871 | $2.47M | 0.01% | +11+0.3% | Added |
| Norden Group LLC | 3,857 | $2.46M | 0.25% | −26−0.7% | Reduced |
| Vestcor Inc | 3,772 | $2.41M | 0.07% | +1,651+77.8% | Added |
| Huntington National Bank | 3,760 | $2.40M | 0.01% | +109+3.0% | Added |
| DGS Capital Management, LLC | 3,745 | $2.39M | 0.44% | +2,541+211.0% | Added |
| Granite Investment Partners, LLC | 3,744 | $2.39M | 0.14% | −92−2.4% | Reduced |
| Nomura Holdings Inc | 3,740 | $2.39M | 0.01% | +3,740 | New |
| Grandeur Peak Global Advisors, LLC | 3,736 | $2.39M | 0.32% | −1,094−22.7% | Reduced |
| USA Financial Portformulas Corp | 3,727 | $2.38M | 0.42% | +3,727 | New |
| Norway Savings Bank | 3,690 | $2.36M | 1.14% | −42−1.1% | Reduced |
| D L Carlson Investment Group Inc | 3,680 | $2.35M | 0.39% | +487+15.3% | Added |
| Wimmer Associates 1, LLC | 3,672 | $2.35M | 1.13% | 00.0% | Unchanged |
| Citadel Investment Advisory, Inc. | 3,682 | $2.35M | 1.08% | 00.0% | Unchanged |
| Taylor Frigon Capital Management LLC | 3,655 | $2.34M | 1.16% | −1,037−22.1% | Reduced |
| New Mexico Educational Retirement Board | 3,650 | $2.33M | 0.07% | −200−5.2% | Reduced |
| ASR Vermogensbeheer N.V. | 3,646 | $2.33M | 0.03% | +13+0.4% | Added |
| Dorsey Wright & Associates | 3,601 | $2.30M | 0.51% | +3,601 | New |
| Perfromance Wealth Partners, LLC | 3,591 | $2.29M | 0.06% | −155−4.1% | Reduced |
| Chicago Trust Co NA | 3,578 | $2.29M | 0.32% | −108−2.9% | Reduced |
| Crossmark Global Holdings, Inc. | 3,569 | $2.28M | 0.03% | +305+9.3% | Added |
| Cullen/Frost Bankers, Inc. | 3,550 | $2.27M | 0.03% | −4−0.1% | Reduced |