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 |
|---|---|---|---|---|---|
| Groupe la Francaise | 7,127 | $4.82M | 0.07% | −638−8.2% | Reduced |
| Bright Rock Capital Management, LLC | 7,000 | $4.74M | 0.93% | 00.0% | Unchanged |
| Taikang Asset Management (Hong Kong) Co Ltd | 6,979 | $4.72M | 0.47% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 6,941 | $4.70M | 0.01% | −2,759−28.4% | Reduced |
| Headinvest, LLC | 6,841 | $4.63M | 0.92% | −170−2.4% | Reduced |
| Ossiam | 6,835 | $4.62M | 0.09% | −4,159−37.8% | Reduced |
| Regions Financial Corp | 6,819 | $4.61M | 0.03% | +5+0.1% | Added |
| Generali Asset Management SPA SGR | 6,792 | $4.59M | 0.09% | −604−8.2% | Reduced |
| Insight Wealth Strategies, LLC | 6,721 | $4.55M | 0.52% | −1,819−21.3% | Reduced |
| New Hampshire Trust | 6,720 | $4.55M | 0.88% | −10.0% | Reduced |
| NewEdge Wealth, LLC | 6,597 | $4.46M | 0.05% | +3,629+122.3% | Added |
| ASR Vermogensbeheer N.V. | 6,592 | $4.46M | 0.05% | +2,946+80.8% | Added |
| Avanza Fonder AB | 6,574 | $4.45M | 0.11% | +1,078+19.6% | Added |
| Spinnaker Trust | 6,517 | $4.41M | 0.24% | +2,182+50.3% | Added |
| Illinois Municipal Retirement Fund | 6,496 | $4.39M | 0.06% | +26+0.4% | Added |
| Mizuho Securities USA LLC | 5,814 | $4.38M | 0.07% | −13−0.2% | Reduced |
| Univest Financial Corp | 6,464 | $4.37M | 0.23% | −416−6.0% | Reduced |
| Teachers Retirement System of the State of Kentucky | 6,421 | $4.34M | 0.03% | 00.0% | Unchanged |
| Omers Administration Corp | 6,383 | $4.32M | 0.03% | 00.0% | Unchanged |
| Legal Advantage Investments, Inc. | 6,360 | $4.30M | 1.99% | 00.0% | Unchanged |
| NLB Skladi, upravljanje premozenja, d.o.o. | 6,351 | $4.30M | 0.20% | +6,351 | New |
| Landscape Capital Management, L.L.C. | 6,279 | $4.25M | 0.28% | +6,279 | New |
| Boston Private Wealth LLC | 6,246 | $4.23M | 0.25% | +1,901+43.8% | Added |
| Group One Trading, L.P. | 6,212 | $4.20M | 0.12% | +4,670+302.9% | Added |
| Prospera Financial Services Inc | 6,191 | $4.19M | 0.07% | +6,191 | New |
| Osmosis Investment Management UK Ltd | 6,167 | $4.17M | 0.11% | +6,167 | New |
| Bridgewater Associates, LP | 6,158 | $4.17M | 0.02% | −1,246−16.8% | Reduced |
| We Are One Seven, LLC | 6,058 | $4.10M | 0.08% | −36−0.6% | Reduced |
| Sone Capital Management, LLC | 5,991 | $4.05M | 0.33% | −1,262−17.4% | Reduced |
| M&T Bank Corp | 5,982 | $4.05M | 0.01% | +2,465+70.1% | Added |
| Banque Cantonale Vaudoise | 5,966 | $4.04M | 0.14% | +1,603+36.7% | Added |
| Allstate Corp | 5,952 | $4.03M | 0.06% | +3,015+102.7% | Added |
| Ambassador Advisors, LLC | 5,910 | $4.00M | 0.59% | +149+2.6% | Added |
| CWM, LLC | 5,908 | $4.00M | 0.01% | +132+2.3% | Added |
| Knollwood Investment Advisory, LLC | 5,800 | $3.92M | 0.37% | 00.0% | Unchanged |
| Cabot Wealth Management Inc | 5,771 | $3.90M | 0.43% | −69−1.2% | Reduced |
| Apollon Wealth Management, LLC | 5,679 | $3.84M | 0.07% | +76+1.4% | Added |
| Robinson Value Management, Ltd. | 5,665 | $3.83M | 2.07% | −50−0.9% | Reduced |
| Childress Capital Advisors, LLC | 5,646 | $3.82M | 0.61% | +3+0.1% | Added |
| EP Wealth Advisors, LLC | 5,617 | $3.80M | 0.02% | +5,617 | New |
| Cortland Associates Inc | 5,510 | $3.73M | 0.47% | −174−3.1% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 5,484 | $3.71M | 0.08% | +4,437+423.8% | Added |
| Metis Global Partners, LLC | 5,475 | $3.70M | 0.09% | −10.0% | Reduced |
| Vestmark Advisory Solutions, Inc. | 5,358 | $3.62M | 0.05% | +3,313+162.0% | Added |
| Kinneret Advisory, LLC | 5,313 | $3.59M | 0.30% | −146−2.7% | Reduced |
| MML Investors Services, LLC | 5,255 | $3.56M | 0.01% | +1,055+25.1% | Added |
| Barbara Oil Co. | 5,245 | $3.55M | 1.32% | 00.0% | Unchanged |
| Kraematon Investment Advisors, Inc | 5,222 | $3.53M | 2.81% | −20−0.4% | Reduced |
| Old Port Advisors | 5,173 | $3.50M | 0.86% | −38−0.7% | Reduced |
| GAM Holding AG | 5,137 | $3.48M | 0.22% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 5,101 | $3.45M | 0.29% | +5,101 | New |
| Cambridge Investment Research Advisors, Inc. | 5,091 | $3.44M | 0.01% | −94−1.8% | Reduced |
| Patten Group, Inc. | 5,080 | $3.44M | 0.64% | −215−4.1% | Reduced |
| Sterling Capital Management LLC | 5,072 | $3.43M | 0.06% | −5,421−51.7% | Reduced |
| Adviser Investments LLC | 5,069 | $3.43M | 0.04% | +6+0.1% | Added |
| Kentucky Retirement Systems | 5,067 | $3.43M | 0.09% | 00.0% | Unchanged |
| PFG Advisors | 5,052 | $3.42M | 0.17% | −6,980−58.0% | Reduced |
| Aurora Investment Managers, LLC. | 5,024 | $3.40M | 1.93% | −9−0.2% | Reduced |
| Allworth Financial LP | 4,992 | $3.38M | 0.01% | +295+6.3% | Added |
| Evercore Wealth Management, LLC | 4,974 | $3.37M | 0.05% | −50−1.0% | Reduced |
| Cape Cod Five Cents Savings Bank | 6,566 | $3.32M | 0.31% | 00.0% | Unchanged |
| Moneta Group Investment Advisors LLC | 4,894 | $3.31M | 0.03% | −39−0.8% | Reduced |
| Wealthspire Advisors, LLC | 4,861 | $3.29M | 0.03% | +546+12.7% | Added |
| Umb Bank N A | 4,821 | $3.26M | 0.04% | +32+0.7% | Added |
| Portside Wealth Group, LLC | 4,797 | $3.25M | 0.44% | −416−8.0% | Reduced |
| Tema ETFs LLC | 4,792 | $3.24M | 0.25% | −293−5.8% | Reduced |
| Greenfield Seitz Capital Management, LLC | 4,766 | $3.22M | 1.06% | −39−0.8% | Reduced |
| King Luther Capital Management Corp | 4,701 | $3.18M | 0.01% | −5−0.1% | Reduced |
| Tsai Capital Corp | 4,678 | $3.16M | 2.15% | +36+0.8% | Added |
| Callan Family Office, LLC | 4,646 | $3.14M | 0.07% | +2,572+124.0% | Added |
| Norway Savings Bank | 4,631 | $3.13M | 1.45% | +941+25.5% | Added |
| Birchbrook, Inc. | 4,629 | $3.13M | 1.56% | −89−1.9% | Reduced |
| Federation des caisses Desjardins du Quebec | 4,629 | $3.13M | 0.01% | +321+7.5% | Added |
| Hartford Investment Management Co | 4,612 | $3.12M | 0.09% | −76−1.6% | Reduced |
| Americana Partners, LLC | 4,520 | $3.06M | 0.08% | +3,145+228.7% | Added |
| Tokio Marine Asset Management Co Ltd | 4,517 | $3.06M | 0.11% | −375−7.7% | Reduced |
| Benjamin Edwards Inc | 4,455 | $3.01M | 0.03% | +10+0.2% | Added |
| Banque Transatlantique SA | 4,430 | $3.00M | 0.07% | −55−1.2% | Reduced |
| J.W. Cole Advisors, Inc. | 4,853 | $2.97M | 0.07% | +242+5.2% | Added |
| MidFirst Bank | 4,375 | $2.96M | 0.24% | +4,375 | New |
| Sit Investment Associates Inc | 4,350 | $2.94M | 0.06% | 00.0% | Unchanged |
| Grimes & Company, Inc. | 4,317 | $2.92M | 0.07% | −84−1.9% | Reduced |
| Skopos Labs, Inc. | 4,216 | $2.90M | 0.13% | +3,086+273.1% | Added |
| Great Lakes Advisors, LLC | 4,277 | $2.89M | 0.02% | +62+1.5% | Added |
| Diversified Trust Co | 4,199 | $2.84M | 0.05% | +2,901+223.5% | Added |
| DGS Capital Management, LLC | 4,192 | $2.84M | 0.49% | +447+11.9% | Added |
| Martin Capital Advisors, LLP | 4,159 | $2.81M | 1.65% | +45+1.1% | Added |
| Dakota Wealth Management | 4,154 | $2.81M | 0.05% | −89−2.1% | Reduced |
| HB Wealth Management, LLC | 4,139 | $2.80M | 0.02% | +189+4.8% | Added |
| New Age Alpha Advisors, LLC | 4,127 | $2.79M | 0.12% | +61+1.5% | Added |
| Tower Research Capital LLC (TRC) | 4,104 | $2.78M | 0.07% | +1,778+76.4% | Added |
| Gulf International Bank (UK) Ltd | 4,065 | $2.75M | 0.09% | 00.0% | Unchanged |
| Norden Group LLC | 4,056 | $2.74M | 0.27% | +199+5.2% | Added |
| J. Safra Sarasin Holding AG | 4,044 | $2.74M | 0.04% | −197−4.6% | Reduced |
| Ramsay, Stattman, Vela & Price, Inc. | 4,041 | $2.73M | 0.49% | −54−1.3% | Reduced |
| Maryland State Retirement & Pension System | 4,001 | $2.71M | 0.06% | 00.0% | Unchanged |
| Sequoia Financial Advisors, LLC | 3,985 | $2.70M | 0.02% | +748+23.1% | Added |
| Lido Advisors, LLC | 4,075 | $2.68M | 0.01% | +9+0.2% | Added |
| Prime Capital Investment Advisors, LLC | 3,923 | $2.65M | 0.03% | +18+0.5% | Added |
| J. Stern & Co. LLP | 2,653,351 | $2.65M | 0.23% | +2,642,200+23,694.7% | Added |