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, Q1 2026
Institutional positions in IDEXX Laboratories Inc as of Mar 31, 2026. 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
- 1,318
- −46 vs. Q4 2025
- Shares held
- 73.3M
- +1.79M (+2.5%) vs. Q4 2025
- Total value
- $41.2B
- −$1.72B (−4.0%) vs. Q4 2025
- New holders
- 125
- 435 more added
- Sold out
- 171
- 517 more reduced
21 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Summit Asset Management, LLC | 7,706 | $4.33M | 0.60% | 00.0% | Unchanged |
| Clear Harbor Asset Management, LLC | 7,388 | $4.15M | 0.29% | −120−1.6% | Reduced |
| CWA Asset Management Group, LLC | 7,356 | $4.13M | 0.14% | +6,847+1,345.2% | Added |
| CAPROCK Group, Inc. | 7,339 | $4.12M | 0.10% | −702−8.7% | Reduced |
| Ossiam | 7,337 | $4.12M | 0.07% | +502+7.3% | Added |
| Boston Private Wealth LLC | 7,335 | $4.12M | 0.27% | +1,089+17.4% | Added |
| Moody Lynn & Lieberson, LLC | 7,250 | $4.07M | 0.23% | −5−0.1% | Reduced |
| FIL Ltd | 7,204 | $4.05M | 0.00% | −9,551−57.0% | Reduced |
| Spears Abacus Advisors LLC | 7,176 | $4.03M | 0.08% | −1,900−20.9% | Reduced |
| First Foundation Advisors | 7,151 | $4.02M | 0.16% | −136−1.9% | Reduced |
| CIBC World Markets Inc. | 7,117 | $4.00M | 0.01% | −16,740−70.2% | Reduced |
| Bright Rock Capital Management, LLC | 7,000 | $3.93M | 0.78% | 00.0% | Unchanged |
| Americana Partners, LLC | 6,991 | $3.93M | 0.10% | +2,471+54.7% | Added |
| Avanza Fonder AB | 6,927 | $3.89M | 0.11% | +353+5.4% | Added |
| Gateway Investment Advisers LLC | 6,854 | $3.85M | 0.04% | −5,441−44.3% | Reduced |
| Insight Wealth Strategies, LLC | 6,781 | $3.81M | 0.43% | +60+0.9% | Added |
| Fiduciary Trust Co | 6,750 | $3.79M | 0.04% | −548−7.5% | Reduced |
| Portland Global Advisors LLC | 6,737 | $3.79M | 0.40% | −1,410−17.3% | Reduced |
| Headinvest, LLC | 6,708 | $3.77M | 0.77% | −133−1.9% | Reduced |
| ASR Vermogensbeheer N.V. | 6,702 | $3.77M | 0.04% | +110+1.7% | Added |
| New Hampshire Trust | 6,682 | $3.75M | 0.76% | −38−0.6% | Reduced |
| Illinois Municipal Retirement Fund | 6,616 | $3.72M | 0.05% | +120+1.8% | Added |
| Univest Financial Corp | 6,590 | $3.70M | 0.21% | +126+1.9% | Added |
| Eurizon SLJ Capital Ltd | 6,640 | $3.70M | 1.76% | −1,845−21.7% | Reduced |
| Regions Financial Corp | 6,528 | $3.67M | 0.02% | −291−4.3% | Reduced |
| Groupe la Francaise | 6,461 | $3.63M | 0.05% | −666−9.3% | Reduced |
| Teachers Retirement System of the State of Kentucky | 6,421 | $3.61M | 0.03% | 00.0% | Unchanged |
| Legal Advantage Investments, Inc. | 6,360 | $3.57M | 1.85% | 00.0% | Unchanged |
| Wiley Bros.-Aintree Capital, LLC | 6,326 | $3.55M | 0.02% | −907−12.5% | Reduced |
| Federation des caisses Desjardins du Quebec | 6,294 | $3.54M | 0.01% | +1,665+36.0% | Added |
| Gulf International Bank (UK) Ltd | 6,165 | $3.46M | 0.08% | +2,100+51.7% | Added |
| Spinnaker Trust | 6,072 | $3.41M | 0.19% | −445−6.8% | Reduced |
| Profund Advisors LLC | 6,053 | $3.40M | 0.12% | −1,630−21.2% | Reduced |
| Harvest Fund Management Co., Ltd | 5,953 | $3.34M | 0.14% | −3,087−34.1% | Reduced |
| Apollon Wealth Management, LLC | 5,946 | $3.34M | 0.05% | +267+4.7% | Added |
| Geneos Wealth Management Inc. | 5,928 | $3.33M | 0.08% | +5,682+2,309.8% | Added |
| Nutshell Asset Management Ltd | 5,900 | $3.32M | 1.82% | +5,900 | New |
| AE Wealth Management LLC | 5,875 | $3.30M | 0.02% | −1,439−19.7% | Reduced |
| Beacon Pointe Advisors, LLC | 5,862 | $3.29M | 0.02% | +5,058+629.1% | Added |
| Knollwood Investment Advisory, LLC | 5,800 | $3.26M | 0.33% | 00.0% | Unchanged |
| Chicago Trust Co NA | 5,793 | $3.26M | 0.52% | +2,205+61.5% | Added |
| NewEdge Wealth, LLC | 5,731 | $3.22M | 0.04% | −866−13.1% | Reduced |
| Childress Capital Advisors, LLC | 5,618 | $3.16M | 0.57% | −28−0.5% | Reduced |
| We Are One Seven, LLC | 5,595 | $3.14M | 0.06% | −463−7.6% | Reduced |
| Cabot Wealth Management Inc | 5,470 | $3.07M | 0.35% | −301−5.2% | Reduced |
| Opal Capital LLC | 5,458 | $3.07M | 0.54% | +5,458 | New |
| Robinson Value Management, Ltd. | 5,445 | $3.06M | 1.70% | −220−3.9% | Reduced |
| Jump Financial, LLC | 5,430 | $3.05M | 0.05% | +4,348+401.8% | Added |
| Allworth Financial LP | 5,406 | $3.04M | 0.01% | +414+8.3% | Added |
| Cortland Associates Inc | 5,291 | $2.97M | 0.43% | −219−4.0% | Reduced |
| Marks Group Wealth Management, Inc | 5,286 | $2.97M | 0.29% | −2,686−33.7% | Reduced |
| Vestmark Advisory Solutions, Inc. | 5,268 | $2.96M | 0.03% | −90−1.7% | Reduced |
| Barbara Oil Co. | 5,245 | $2.95M | 1.14% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 5,214 | $2.93M | 0.01% | +2,384+84.2% | Added |
| Kraematon Investment Advisors, Inc | 5,214 | $2.93M | 2.38% | −8−0.2% | Reduced |
| MML Investors Services, LLC | 5,165 | $2.90M | 0.01% | −90−1.7% | Reduced |
| CWM, LLC | 5,129 | $2.88M | 0.01% | −779−13.2% | Reduced |
| Walter Public Investments Inc. | 5,116 | $2.87M | 0.69% | −4,847−48.7% | Reduced |
| Kinneret Advisory, LLC | 5,087 | $2.86M | 0.27% | −226−4.3% | Reduced |
| PFG Advisors | 5,080 | $2.85M | 0.14% | +28+0.6% | Added |
| Metis Global Partners, LLC | 5,076 | $2.85M | 0.07% | −399−7.3% | Reduced |
| Patten Group, Inc. | 5,074 | $2.85M | 0.50% | −6−0.1% | Reduced |
| Adviser Investments LLC | 5,070 | $2.85M | 0.03% | +10.0% | Added |
| Old Port Advisors | 4,999 | $2.81M | 0.65% | −174−3.4% | Reduced |
| Evercore Wealth Management, LLC | 4,974 | $2.79M | 0.04% | 00.0% | Unchanged |
| Moneta Group Investment Advisors LLC | 4,942 | $2.78M | 0.02% | +48+1.0% | Added |
| Skopos Labs, Inc. | 4,901 | $2.75M | 0.09% | +685+16.2% | Added |
| J.W. Cole Advisors, Inc. | 4,889 | $2.75M | 0.09% | +36+0.7% | Added |
| Ontario Teachers Pension Plan Board | 4,887 | $2.75M | 0.08% | +4,887 | New |
| Mizuho Securities USA LLC | 4,827 | $2.71M | 0.06% | −987−17.0% | Reduced |
| Tsai Capital Corp | 4,782 | $2.69M | 2.00% | +104+2.2% | Added |
| Transamerica Financial Advisors, Inc. | 4,776 | $2.68M | 0.23% | −325−6.4% | Reduced |
| King Luther Capital Management Corp | 4,725 | $2.65M | 0.01% | +24+0.5% | Added |
| Equitable Holdings, Inc. | 4,160 | $2.65M | 0.02% | +4,160 | New |
| Sequoia Financial Advisors, LLC | 4,701 | $2.64M | 0.01% | +716+18.0% | Added |
| J. Stern & Co. LLP | 4,686 | $2.63M | 0.26% | −2,648,665−99.8% | Reduced |
| Norway Savings Bank | 4,656 | $2.62M | 1.24% | +25+0.5% | Added |
| Greenfield Seitz Capital Management, LLC | 4,653 | $2.61M | 0.79% | −113−2.4% | Reduced |
| M&T Bank Corp | 4,573 | $2.57M | 0.01% | −1,409−23.6% | Reduced |
| Hartford Investment Management Co | 4,558 | $2.56M | 0.08% | −54−1.2% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 4,546 | $2.55M | 0.01% | −545−10.7% | Reduced |
| Tower Research Capital LLC (TRC) | 4,535 | $2.55M | 0.07% | +431+10.5% | Added |
| Birchbrook, Inc. | 4,514 | $2.54M | 1.24% | −115−2.5% | Reduced |
| XTX Topco Ltd | 4,485 | $2.52M | 0.04% | +4,485 | New |
| Osmosis Investment Management UK Ltd | 4,467 | $2.51M | 0.07% | −1,700−27.6% | Reduced |
| Tokio Marine Asset Management Co Ltd | 4,460 | $2.51M | 0.09% | −57−1.3% | Reduced |
| MidFirst Bank | 4,378 | $2.46M | 0.20% | +3+0.1% | Added |
| Quantitative Investment Management, LLC | 4,362 | $2.45M | 0.25% | +4,362 | New |
| Sit Investment Associates Inc | 4,350 | $2.44M | 0.05% | 00.0% | Unchanged |
| Callan Family Office, LLC | 4,321 | $2.43M | 0.06% | −325−7.0% | Reduced |
| Grimes & Company, Inc. | 4,283 | $2.41M | 0.07% | −34−0.8% | Reduced |
| HB Wealth Management, LLC | 4,277 | $2.40M | 0.02% | +138+3.3% | Added |
| Benjamin Edwards Inc | 4,261 | $2.39M | 0.02% | −194−4.4% | Reduced |
| Banque Transatlantique SA | 4,216 | $2.37M | 0.06% | −214−4.8% | Reduced |
| Empowered Funds, LLC | 4,172 | $2.34M | 0.01% | −7,985−65.7% | Reduced |
| Martin Capital Advisors, LLP | 4,113 | $2.31M | 1.46% | −46−1.1% | Reduced |
| Great Lakes Advisors, LLC | 4,105 | $2.31M | 0.02% | −172−4.0% | Reduced |
| Ramsay, Stattman, Vela & Price, Inc. | 4,011 | $2.25M | 0.45% | −30−0.7% | Reduced |
| Maryland State Retirement & Pension System | 4,001 | $2.25M | 0.05% | 00.0% | Unchanged |
| Tema ETFs LLC | 3,998 | $2.25M | 0.15% | −794−16.6% | Reduced |