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 |
|---|---|---|---|---|---|
| Fortem Financial Group, LLC | 3,747 | $2.11M | 0.53% | +690+22.6% | Added |
| DGS Capital Management, LLC | 3,750 | $2.11M | 0.35% | −442−10.5% | Reduced |
| Cullen/Frost Bankers, Inc. | 3,754 | $2.11M | 0.02% | +101+2.8% | Added |
| Merit Financial Group, LLC | 3,777 | $2.12M | 0.02% | +109+3.0% | Added |
| Summit Trail Advisors, LLC | 3,784 | $2.13M | 0.03% | +494+15.0% | Added |
| Abn Amro Investment Solutions | 3,790 | $2.13M | 0.03% | +268+7.6% | Added |
| New England Research & Management, Inc. | 3,800 | $2.14M | 0.90% | +2,600+216.7% | Added |
| Huntington National Bank | 3,837 | $2.16M | 0.01% | +8+0.2% | Added |
| Foundry Financial LLC | 3,854 | $2.17M | 0.92% | +10.0% | Added |
| Norden Group LLC | 3,858 | $2.17M | 0.21% | −198−4.9% | Reduced |
| Bridgeway Capital Management, LLC | 3,860 | $2.17M | 0.04% | 00.0% | Unchanged |
| LGT Group Foundation | 3,879 | $2.18M | 0.03% | +3,068+378.3% | Added |
| Vestcor Inc | 3,903 | $2.19M | 0.06% | +131+3.5% | Added |
| Prime Capital Investment Advisors, LLC | 3,905 | $2.19M | 0.03% | −18−0.5% | Reduced |
| Lido Advisors, LLC | 3,943 | $2.22M | 0.01% | −132−3.2% | Reduced |
| D L Carlson Investment Group Inc | 3,950 | $2.22M | 0.38% | +231+6.2% | Added |
| Dash Acquisitions Inc. | 3,814 | $2.22M | 0.46% | −115−2.9% | Reduced |
| J. Safra Sarasin Holding AG | 3,980 | $2.23M | 0.04% | −64−1.6% | Reduced |
| Tema ETFs LLC | 3,998 | $2.25M | 0.15% | −794−16.6% | Reduced |
| Maryland State Retirement & Pension System | 4,001 | $2.25M | 0.05% | 00.0% | Unchanged |
| Ramsay, Stattman, Vela & Price, Inc. | 4,011 | $2.25M | 0.45% | −30−0.7% | Reduced |
| Great Lakes Advisors, LLC | 4,105 | $2.31M | 0.02% | −172−4.0% | Reduced |
| Martin Capital Advisors, LLP | 4,113 | $2.31M | 1.46% | −46−1.1% | Reduced |
| Empowered Funds, LLC | 4,172 | $2.34M | 0.01% | −7,985−65.7% | Reduced |
| Banque Transatlantique SA | 4,216 | $2.37M | 0.06% | −214−4.8% | Reduced |
| Benjamin Edwards Inc | 4,261 | $2.39M | 0.02% | −194−4.4% | Reduced |
| HB Wealth Management, LLC | 4,277 | $2.40M | 0.02% | +138+3.3% | Added |
| Grimes & Company, Inc. | 4,283 | $2.41M | 0.07% | −34−0.8% | Reduced |
| Callan Family Office, LLC | 4,321 | $2.43M | 0.06% | −325−7.0% | Reduced |
| Sit Investment Associates Inc | 4,350 | $2.44M | 0.05% | 00.0% | Unchanged |
| Quantitative Investment Management, LLC | 4,362 | $2.45M | 0.25% | +4,362 | New |
| MidFirst Bank | 4,378 | $2.46M | 0.20% | +3+0.1% | Added |
| Tokio Marine Asset Management Co Ltd | 4,460 | $2.51M | 0.09% | −57−1.3% | Reduced |
| Osmosis Investment Management UK Ltd | 4,467 | $2.51M | 0.07% | −1,700−27.6% | Reduced |
| XTX Topco Ltd | 4,485 | $2.52M | 0.04% | +4,485 | New |
| Birchbrook, Inc. | 4,514 | $2.54M | 1.24% | −115−2.5% | Reduced |
| Tower Research Capital LLC (TRC) | 4,535 | $2.55M | 0.07% | +431+10.5% | Added |
| Cambridge Investment Research Advisors, Inc. | 4,546 | $2.55M | 0.01% | −545−10.7% | Reduced |
| Hartford Investment Management Co | 4,558 | $2.56M | 0.08% | −54−1.2% | Reduced |
| M&T Bank Corp | 4,573 | $2.57M | 0.01% | −1,409−23.6% | Reduced |
| Greenfield Seitz Capital Management, LLC | 4,653 | $2.61M | 0.79% | −113−2.4% | Reduced |
| Norway Savings Bank | 4,656 | $2.62M | 1.24% | +25+0.5% | Added |
| J. Stern & Co. LLP | 4,686 | $2.63M | 0.26% | −2,648,665−99.8% | Reduced |
| Sequoia Financial Advisors, LLC | 4,701 | $2.64M | 0.01% | +716+18.0% | Added |
| Equitable Holdings, Inc. | 4,160 | $2.65M | 0.02% | +4,160 | New |
| King Luther Capital Management Corp | 4,725 | $2.65M | 0.01% | +24+0.5% | Added |
| Transamerica Financial Advisors, Inc. | 4,776 | $2.68M | 0.23% | −325−6.4% | Reduced |
| Tsai Capital Corp | 4,782 | $2.69M | 2.00% | +104+2.2% | Added |
| Mizuho Securities USA LLC | 4,827 | $2.71M | 0.06% | −987−17.0% | Reduced |
| Ontario Teachers Pension Plan Board | 4,887 | $2.75M | 0.08% | +4,887 | New |
| J.W. Cole Advisors, Inc. | 4,889 | $2.75M | 0.09% | +36+0.7% | Added |
| Skopos Labs, Inc. | 4,901 | $2.75M | 0.09% | +685+16.2% | Added |
| Moneta Group Investment Advisors LLC | 4,942 | $2.78M | 0.02% | +48+1.0% | Added |
| Evercore Wealth Management, LLC | 4,974 | $2.79M | 0.04% | 00.0% | Unchanged |
| Old Port Advisors | 4,999 | $2.81M | 0.65% | −174−3.4% | Reduced |
| Adviser Investments LLC | 5,070 | $2.85M | 0.03% | +10.0% | Added |
| Patten Group, Inc. | 5,074 | $2.85M | 0.50% | −6−0.1% | Reduced |
| Metis Global Partners, LLC | 5,076 | $2.85M | 0.07% | −399−7.3% | Reduced |
| PFG Advisors | 5,080 | $2.85M | 0.14% | +28+0.6% | Added |
| Kinneret Advisory, LLC | 5,087 | $2.86M | 0.27% | −226−4.3% | Reduced |
| Walter Public Investments Inc. | 5,116 | $2.87M | 0.69% | −4,847−48.7% | Reduced |
| CWM, LLC | 5,129 | $2.88M | 0.01% | −779−13.2% | Reduced |
| MML Investors Services, LLC | 5,165 | $2.90M | 0.01% | −90−1.7% | Reduced |
| Kraematon Investment Advisors, Inc | 5,214 | $2.93M | 2.38% | −8−0.2% | Reduced |
| Vontobel Holding Ltd. | 5,214 | $2.93M | 0.01% | +2,384+84.2% | Added |
| Barbara Oil Co. | 5,245 | $2.95M | 1.14% | 00.0% | Unchanged |
| Vestmark Advisory Solutions, Inc. | 5,268 | $2.96M | 0.03% | −90−1.7% | Reduced |
| Marks Group Wealth Management, Inc | 5,286 | $2.97M | 0.29% | −2,686−33.7% | Reduced |
| Cortland Associates Inc | 5,291 | $2.97M | 0.43% | −219−4.0% | Reduced |
| Allworth Financial LP | 5,406 | $3.04M | 0.01% | +414+8.3% | Added |
| Jump Financial, LLC | 5,430 | $3.05M | 0.05% | +4,348+401.8% | Added |
| Robinson Value Management, Ltd. | 5,445 | $3.06M | 1.70% | −220−3.9% | Reduced |
| Opal Capital LLC | 5,458 | $3.07M | 0.54% | +5,458 | New |
| Cabot Wealth Management Inc | 5,470 | $3.07M | 0.35% | −301−5.2% | Reduced |
| We Are One Seven, LLC | 5,595 | $3.14M | 0.06% | −463−7.6% | Reduced |
| Childress Capital Advisors, LLC | 5,618 | $3.16M | 0.57% | −28−0.5% | Reduced |
| NewEdge Wealth, LLC | 5,731 | $3.22M | 0.04% | −866−13.1% | Reduced |
| Chicago Trust Co NA | 5,793 | $3.26M | 0.52% | +2,205+61.5% | Added |
| Knollwood Investment Advisory, LLC | 5,800 | $3.26M | 0.33% | 00.0% | Unchanged |
| Beacon Pointe Advisors, LLC | 5,862 | $3.29M | 0.02% | +5,058+629.1% | Added |
| AE Wealth Management LLC | 5,875 | $3.30M | 0.02% | −1,439−19.7% | Reduced |
| Nutshell Asset Management Ltd | 5,900 | $3.32M | 1.82% | +5,900 | New |
| Geneos Wealth Management Inc. | 5,928 | $3.33M | 0.08% | +5,682+2,309.8% | Added |
| Apollon Wealth Management, LLC | 5,946 | $3.34M | 0.05% | +267+4.7% | Added |
| Harvest Fund Management Co., Ltd | 5,953 | $3.34M | 0.14% | −3,087−34.1% | Reduced |
| Profund Advisors LLC | 6,053 | $3.40M | 0.12% | −1,630−21.2% | Reduced |
| Spinnaker Trust | 6,072 | $3.41M | 0.19% | −445−6.8% | Reduced |
| Gulf International Bank (UK) Ltd | 6,165 | $3.46M | 0.08% | +2,100+51.7% | Added |
| Federation des caisses Desjardins du Quebec | 6,294 | $3.54M | 0.01% | +1,665+36.0% | Added |
| Wiley Bros.-Aintree Capital, LLC | 6,326 | $3.55M | 0.02% | −907−12.5% | Reduced |
| Legal Advantage Investments, Inc. | 6,360 | $3.57M | 1.85% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 6,421 | $3.61M | 0.03% | 00.0% | Unchanged |
| Groupe la Francaise | 6,461 | $3.63M | 0.05% | −666−9.3% | Reduced |
| Regions Financial Corp | 6,528 | $3.67M | 0.02% | −291−4.3% | Reduced |
| Eurizon SLJ Capital Ltd | 6,640 | $3.70M | 1.76% | −1,845−21.7% | Reduced |
| Univest Financial Corp | 6,590 | $3.70M | 0.21% | +126+1.9% | Added |
| Illinois Municipal Retirement Fund | 6,616 | $3.72M | 0.05% | +120+1.8% | Added |
| New Hampshire Trust | 6,682 | $3.75M | 0.76% | −38−0.6% | Reduced |
| ASR Vermogensbeheer N.V. | 6,702 | $3.77M | 0.04% | +110+1.7% | Added |
| Headinvest, LLC | 6,708 | $3.77M | 0.77% | −133−1.9% | Reduced |