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 |
|---|---|---|---|---|---|
| Diversified Trust Co | 4,199 | $2.84M | 0.05% | +2,901+223.5% | Added |
| Great Lakes Advisors, LLC | 4,277 | $2.89M | 0.02% | +62+1.5% | Added |
| Skopos Labs, Inc. | 4,216 | $2.90M | 0.13% | +3,086+273.1% | Added |
| Grimes & Company, Inc. | 4,317 | $2.92M | 0.07% | −84−1.9% | Reduced |
| Sit Investment Associates Inc | 4,350 | $2.94M | 0.06% | 00.0% | Unchanged |
| MidFirst Bank | 4,375 | $2.96M | 0.24% | +4,375 | New |
| J.W. Cole Advisors, Inc. | 4,853 | $2.97M | 0.07% | +242+5.2% | Added |
| Banque Transatlantique SA | 4,430 | $3.00M | 0.07% | −55−1.2% | Reduced |
| Benjamin Edwards Inc | 4,455 | $3.01M | 0.03% | +10+0.2% | Added |
| Tokio Marine Asset Management Co Ltd | 4,517 | $3.06M | 0.11% | −375−7.7% | Reduced |
| Americana Partners, LLC | 4,520 | $3.06M | 0.08% | +3,145+228.7% | Added |
| Hartford Investment Management Co | 4,612 | $3.12M | 0.09% | −76−1.6% | Reduced |
| Federation des caisses Desjardins du Quebec | 4,629 | $3.13M | 0.01% | +321+7.5% | Added |
| Birchbrook, Inc. | 4,629 | $3.13M | 1.56% | −89−1.9% | Reduced |
| Norway Savings Bank | 4,631 | $3.13M | 1.45% | +941+25.5% | Added |
| Callan Family Office, LLC | 4,646 | $3.14M | 0.07% | +2,572+124.0% | Added |
| Tsai Capital Corp | 4,678 | $3.16M | 2.15% | +36+0.8% | Added |
| King Luther Capital Management Corp | 4,701 | $3.18M | 0.01% | −5−0.1% | Reduced |
| Greenfield Seitz Capital Management, LLC | 4,766 | $3.22M | 1.06% | −39−0.8% | Reduced |
| Tema ETFs LLC | 4,792 | $3.24M | 0.25% | −293−5.8% | Reduced |
| Portside Wealth Group, LLC | 4,797 | $3.25M | 0.44% | −416−8.0% | Reduced |
| Umb Bank N A | 4,821 | $3.26M | 0.04% | +32+0.7% | Added |
| Wealthspire Advisors, LLC | 4,861 | $3.29M | 0.03% | +546+12.7% | Added |
| Moneta Group Investment Advisors LLC | 4,894 | $3.31M | 0.03% | −39−0.8% | Reduced |
| Cape Cod Five Cents Savings Bank | 6,566 | $3.32M | 0.31% | 00.0% | Unchanged |
| Evercore Wealth Management, LLC | 4,974 | $3.37M | 0.05% | −50−1.0% | Reduced |
| Allworth Financial LP | 4,992 | $3.38M | 0.01% | +295+6.3% | Added |
| Aurora Investment Managers, LLC. | 5,024 | $3.40M | 1.93% | −9−0.2% | Reduced |
| PFG Advisors | 5,052 | $3.42M | 0.17% | −6,980−58.0% | Reduced |
| Kentucky Retirement Systems | 5,067 | $3.43M | 0.09% | 00.0% | Unchanged |
| Adviser Investments LLC | 5,069 | $3.43M | 0.04% | +6+0.1% | Added |
| Sterling Capital Management LLC | 5,072 | $3.43M | 0.06% | −5,421−51.7% | Reduced |
| Patten Group, Inc. | 5,080 | $3.44M | 0.64% | −215−4.1% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 5,091 | $3.44M | 0.01% | −94−1.8% | Reduced |
| Transamerica Financial Advisors, Inc. | 5,101 | $3.45M | 0.29% | +5,101 | New |
| GAM Holding AG | 5,137 | $3.48M | 0.22% | 00.0% | Unchanged |
| Old Port Advisors | 5,173 | $3.50M | 0.86% | −38−0.7% | Reduced |
| Kraematon Investment Advisors, Inc | 5,222 | $3.53M | 2.81% | −20−0.4% | Reduced |
| Barbara Oil Co. | 5,245 | $3.55M | 1.32% | 00.0% | Unchanged |
| MML Investors Services, LLC | 5,255 | $3.56M | 0.01% | +1,055+25.1% | Added |
| Kinneret Advisory, LLC | 5,313 | $3.59M | 0.30% | −146−2.7% | Reduced |
| Vestmark Advisory Solutions, Inc. | 5,358 | $3.62M | 0.05% | +3,313+162.0% | Added |
| Metis Global Partners, LLC | 5,475 | $3.70M | 0.09% | −10.0% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 5,484 | $3.71M | 0.08% | +4,437+423.8% | Added |
| Cortland Associates Inc | 5,510 | $3.73M | 0.47% | −174−3.1% | Reduced |
| EP Wealth Advisors, LLC | 5,617 | $3.80M | 0.02% | +5,617 | New |
| Childress Capital Advisors, LLC | 5,646 | $3.82M | 0.61% | +3+0.1% | Added |
| Robinson Value Management, Ltd. | 5,665 | $3.83M | 2.07% | −50−0.9% | Reduced |
| Apollon Wealth Management, LLC | 5,679 | $3.84M | 0.07% | +76+1.4% | Added |
| Cabot Wealth Management Inc | 5,771 | $3.90M | 0.43% | −69−1.2% | Reduced |
| Knollwood Investment Advisory, LLC | 5,800 | $3.92M | 0.37% | 00.0% | Unchanged |
| CWM, LLC | 5,908 | $4.00M | 0.01% | +132+2.3% | Added |
| Ambassador Advisors, LLC | 5,910 | $4.00M | 0.59% | +149+2.6% | Added |
| Allstate Corp | 5,952 | $4.03M | 0.06% | +3,015+102.7% | Added |
| Banque Cantonale Vaudoise | 5,966 | $4.04M | 0.14% | +1,603+36.7% | Added |
| M&T Bank Corp | 5,982 | $4.05M | 0.01% | +2,465+70.1% | Added |
| Sone Capital Management, LLC | 5,991 | $4.05M | 0.33% | −1,262−17.4% | Reduced |
| We Are One Seven, LLC | 6,058 | $4.10M | 0.08% | −36−0.6% | Reduced |
| Bridgewater Associates, LP | 6,158 | $4.17M | 0.02% | −1,246−16.8% | Reduced |
| Osmosis Investment Management UK Ltd | 6,167 | $4.17M | 0.11% | +6,167 | New |
| Prospera Financial Services Inc | 6,191 | $4.19M | 0.07% | +6,191 | New |
| Group One Trading, L.P. | 6,212 | $4.20M | 0.12% | +4,670+302.9% | Added |
| Boston Private Wealth LLC | 6,246 | $4.23M | 0.25% | +1,901+43.8% | Added |
| Landscape Capital Management, L.L.C. | 6,279 | $4.25M | 0.28% | +6,279 | New |
| NLB Skladi, upravljanje premozenja, d.o.o. | 6,351 | $4.30M | 0.20% | +6,351 | New |
| Legal Advantage Investments, Inc. | 6,360 | $4.30M | 1.99% | 00.0% | Unchanged |
| Omers Administration Corp | 6,383 | $4.32M | 0.03% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 6,421 | $4.34M | 0.03% | 00.0% | Unchanged |
| Univest Financial Corp | 6,464 | $4.37M | 0.23% | −416−6.0% | Reduced |
| Mizuho Securities USA LLC | 5,814 | $4.38M | 0.07% | −13−0.2% | Reduced |
| Illinois Municipal Retirement Fund | 6,496 | $4.39M | 0.06% | +26+0.4% | Added |
| Spinnaker Trust | 6,517 | $4.41M | 0.24% | +2,182+50.3% | Added |
| Avanza Fonder AB | 6,574 | $4.45M | 0.11% | +1,078+19.6% | Added |
| ASR Vermogensbeheer N.V. | 6,592 | $4.46M | 0.05% | +2,946+80.8% | Added |
| NewEdge Wealth, LLC | 6,597 | $4.46M | 0.05% | +3,629+122.3% | Added |
| New Hampshire Trust | 6,720 | $4.55M | 0.88% | −10.0% | Reduced |
| Insight Wealth Strategies, LLC | 6,721 | $4.55M | 0.52% | −1,819−21.3% | Reduced |
| Generali Asset Management SPA SGR | 6,792 | $4.59M | 0.09% | −604−8.2% | Reduced |
| Regions Financial Corp | 6,819 | $4.61M | 0.03% | +5+0.1% | Added |
| Ossiam | 6,835 | $4.62M | 0.09% | −4,159−37.8% | Reduced |
| Headinvest, LLC | 6,841 | $4.63M | 0.92% | −170−2.4% | Reduced |
| Two Sigma Investments, LP | 6,941 | $4.70M | 0.01% | −2,759−28.4% | Reduced |
| Taikang Asset Management (Hong Kong) Co Ltd | 6,979 | $4.72M | 0.47% | 00.0% | Unchanged |
| Bright Rock Capital Management, LLC | 7,000 | $4.74M | 0.93% | 00.0% | Unchanged |
| Groupe la Francaise | 7,127 | $4.82M | 0.07% | −638−8.2% | Reduced |
| UniSuper Management Pty Ltd | 7,219 | $4.88M | 0.03% | −1,345−15.7% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 7,233 | $4.90M | 0.03% | +850+13.3% | Added |
| Moody Lynn & Lieberson, LLC | 7,255 | $4.91M | 0.26% | −25−0.3% | Reduced |
| First Foundation Advisors | 7,287 | $4.93M | 0.19% | −414−5.4% | Reduced |
| Fiduciary Trust Co | 7,298 | $4.94M | 0.06% | −767−9.5% | Reduced |
| AE Wealth Management LLC | 7,314 | $4.95M | 0.03% | +243+3.4% | Added |
| Mercer Global Advisors Inc | 7,346 | $4.97M | 0.01% | +759+11.5% | Added |
| Norinchukin Bank, The | 7,444 | $5.04M | 0.06% | +38+0.5% | Added |
| Clear Harbor Asset Management, LLC | 7,508 | $5.08M | 0.35% | −235−3.0% | Reduced |
| Fifth Third Bancorp | 7,516 | $5.08M | 0.02% | +142+1.9% | Added |
| Advisors Capital Management, LLC | 7,637 | $5.17M | 0.06% | −71−0.9% | Reduced |
| Profund Advisors LLC | 7,683 | $5.20M | 0.16% | +867+12.7% | Added |
| Summit Asset Management, LLC | 7,706 | $5.21M | 0.74% | −79−1.0% | Reduced |
| Navellier & Associates Inc | 7,795 | $5.27M | 0.59% | +7,795 | New |
| Commerce Bank | 7,806 | $5.28M | 0.03% | +2,178+38.7% | Added |