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 |
|---|---|---|---|---|---|
| Live Oak Investment Partners | 2,302 | $1.29M | 0.76% | +198+9.4% | Added |
| Kames Capital plc | 2,296 | $1.29M | 0.02% | −23,772−91.2% | Reduced |
| Voleon Capital Management LP | 2,292 | $1.29M | 0.03% | +2,292 | New |
| China Universal Asset Management Co., Ltd. | 2,240 | $1.26M | 0.10% | −20−0.9% | Reduced |
| MUFG Securities Americas Inc. | 2,210 | $1.24M | 0.08% | +59+2.7% | Added |
| Fayez Sarofim & Co | 2,204 | $1.24M | 0.00% | −200−8.3% | Reduced |
| Penobscot Wealth Management | 2,193 | $1.23M | 0.36% | −114−4.9% | Reduced |
| Valmark Advisers, Inc. | 2,188 | $1.23M | 0.01% | +260+13.5% | Added |
| Brown Brothers Harriman & Co | 2,178 | $1.22M | 0.01% | +892+69.4% | Added |
| Securian Asset Management, Inc | 2,168 | $1.22M | 0.05% | 00.0% | Unchanged |
| Tiaa-Cref Individual & Institutional Services, LLC | 2,165 | $1.22M | 0.00% | +2,165 | New |
| Bailard, Inc. | 2,153 | $1.21M | 0.03% | −889−29.2% | Reduced |
| Painted Porch Advisors LLC | 2,150 | $1.21M | 0.58% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 2,143 | $1.20M | 0.01% | −731−25.4% | Reduced |
| Flagship Harbor Advisors, LLC | 2,129 | $1.20M | 0.05% | −65−3.0% | Reduced |
| Kentucky Retirement Systems Insurance Trust Fund | 2,124 | $1.19M | 0.08% | 00.0% | Unchanged |
| EP Wealth Advisors, LLC | 2,113 | $1.19M | 0.01% | −3,504−62.4% | Reduced |
| AMF Pensionsforsakring AB | 2,092 | $1.18M | 0.01% | 00.0% | Unchanged |
| Cura Wealth Advisors, LLC | 2,088 | $1.17M | 0.53% | 00.0% | Unchanged |
| Mairs & Power Inc | 2,080 | $1.17M | 0.01% | −51−2.4% | Reduced |
| Diversify Wealth Management, LLC | 2,097 | $1.16M | 0.02% | +979+87.6% | Added |
| Winton Group Ltd | 2,056 | $1.16M | 0.04% | +587+40.0% | Added |
| Glen Eagle Advisors, LLC | 2,056 | $1.16M | 0.16% | +2,026+6,753.3% | Added |
| Quadrant Capital Group LLC | 2,052 | $1.15M | 0.03% | +6+0.3% | Added |
| Everhart Financial Group, Inc. | 2,050 | $1.15M | 0.10% | −76−3.6% | Reduced |
| Siemens Fonds Invest GmbH | 2,045 | $1.15M | 0.07% | +289+16.5% | Added |
| Ostrum Asset Management | 2,041 | $1.15M | 0.06% | +976+91.6% | Added |
| RSM US Wealth Management LLC | 2,030 | $1.14M | 0.01% | +36+1.8% | Added |
| Obermeyer Wood Investment Counsel, LLLP | 2,000 | $1.12M | 0.05% | −103−4.9% | Reduced |
| Carnegie Capital Asset Management, LLC | 2,000 | $1.12M | 0.02% | +25+1.3% | Added |
| Wahed Invest LLC | 1,997 | $1.12M | 0.15% | −98−4.7% | Reduced |
| Engineers Gate Manager LP | 1,975 | $1.11M | 0.01% | +1,975 | New |
| Westerkirk Capital Inc. | 1,974 | $1.11M | 0.12% | −138−6.5% | Reduced |
| Sandler Capital Management | 1,965 | $1.10M | 0.75% | +413+26.6% | Added |
| V-Square Quantitative Management LLC | 1,950 | $1.10M | 0.12% | +13+0.7% | Added |
| BankPlus Trust Department | 1,935 | $1.09M | 0.29% | 00.0% | Unchanged |
| Birch Hill Investment Advisors LLC | 1,910 | $1.07M | 0.05% | 00.0% | Unchanged |
| Virtu Financial LLC | 1,902 | $1.07M | 0.04% | −1,682−46.9% | Reduced |
| Meeder Advisory Services, Inc. | 1,896 | $1.07M | 0.04% | +25+1.3% | Added |
| LGT Fund Management Co Ltd. | 1,870 | $1.05M | 0.05% | +990+112.5% | Added |
| Coldstream Capital Management Inc | 1,859 | $1.04M | 0.01% | −34−1.8% | Reduced |
| Grandeur Peak Global Advisors, LLC | 1,836 | $1.03M | 0.24% | −1,639−47.2% | Reduced |
| Csenge Advisory Group | 1,830 | $1.03M | 0.05% | −407−18.2% | Reduced |
| Pensionmark Financial Group, LLC | 1,829 | $1.03M | 0.02% | −73−3.8% | Reduced |
| HBW Advisory Services LLC | 1,823 | $1.02M | 0.11% | +51+2.9% | Added |
| Means Investment Co., Inc. | 1,816 | $1.02M | 0.09% | −27−1.5% | Reduced |
| NVWM, LLC | 1,813 | $1.02M | 0.23% | −10−0.5% | Reduced |
| Third View Private Wealth, LLC | 1,808 | $1.02M | 0.14% | +26+1.5% | Added |
| Pallas Capital Advisors LLC | 1,806 | $1.01M | 0.04% | −252−12.2% | Reduced |
| Connable Office Inc | 1,800 | $1.01M | 0.10% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 1,747 | $981.6K | 0.01% | −233−11.8% | Reduced |
| GAM Holding AG | 1,743 | $979.4K | 0.09% | −3,394−66.1% | Reduced |
| SkyOak Wealth, LLC | 1,736 | $975.4K | 0.18% | 00.0% | Unchanged |
| Old National Bancorp | 1,731 | $972.6K | 0.02% | −5−0.3% | Reduced |
| Citizens Financial Group Inc | 1,729 | $971.7K | 0.01% | −512−22.8% | Reduced |
| Western Wealth Management, LLC | 1,729 | $971.2K | 0.04% | −8−0.5% | Reduced |
| Oxler Private Wealth LLC | 1,723 | $968.1K | 0.30% | 00.0% | Unchanged |
| Personal Cfo Solutions, LLC | 1,712 | $962.0K | 0.14% | +72+4.4% | Added |
| Baxter Bros Inc | 1,710 | $960.8K | 0.12% | 00.0% | Unchanged |
| Atomi Financial Group, Inc. | 1,709 | $960.3K | 0.03% | −93−5.2% | Reduced |
| Mount Yale Investment Advisors, LLC | 1,709 | $960.3K | 0.02% | +841+96.9% | Added |
| Peloton Wealth Strategists | 1,703 | $957.0K | 0.39% | −1,130−39.9% | Reduced |
| Canada Post Corp Registered Pension Plan | 1,702 | $956.3K | 0.04% | −300−15.0% | Reduced |
| Everence Capital Management Inc | 1,700 | $955.0K | 0.06% | 00.0% | Unchanged |
| Green Harvest Asset Management LLC | 1,687 | $947.9K | 0.01% | +1,687 | New |
| Fox Run Management, L.L.C. | 1,698 | $945.9K | 0.17% | +851+100.5% | Added |
| Keeler Thomas Management LLC | 1,676 | $941.9K | 0.40% | −1,193−41.6% | Reduced |
| Johnson Financial Group, Inc. | 1,671 | $938.9K | 0.03% | +1,617+2,994.4% | Added |
| Mather Group, LLC. | 1,664 | $934.8K | 0.01% | +190+12.9% | Added |
| Reynders McVeigh Capital Management, LLC | 1,658 | $932.0K | 0.05% | 00.0% | Unchanged |
| Douglass Winthrop Advisors, LLC | 1,656 | $930.5K | 0.02% | −6−0.4% | Reduced |
| MAI Capital Management | 1,652 | $928.4K | 0.01% | +84+5.4% | Added |
| Magnetar Financial LLC | 1,652 | $920.3K | 0.01% | +100+6.4% | Added |
| Essex Financial Services, Inc. | 1,628 | $914.8K | 0.05% | +164+11.2% | Added |
| CFC Planning Co LLC | 1,620 | $910.3K | 0.66% | +265+19.6% | Added |
| Signaturefd, LLC | 1,614 | $906.9K | 0.01% | −30−1.8% | Reduced |
| Haven Private, LLC | 1,610 | $904.6K | 0.39% | −171−9.6% | Reduced |
| Ducere Wealth Management LLC | 1,609 | $904.1K | 0.36% | +18+1.1% | Added |
| Perigon Wealth Management, LLC | 1,579 | $887.4K | 0.02% | −17−1.1% | Reduced |
| Red Spruce Capital, LLC | 1,571 | $882.7K | 0.36% | 00.0% | Unchanged |
| Whittier Trust Co | 1,521 | $878.3K | 0.01% | 00.0% | Unchanged |
| Savant Capital, LLC | 1,534 | $861.9K | 0.00% | +620+67.8% | Added |
| Diversified Trust Co | 1,519 | $853.5K | 0.02% | −2,680−63.8% | Reduced |
| AlphaCore Capital LLC | 1,512 | $849.6K | 0.02% | +1,169+340.8% | Added |
| Investment House LLC | 1,510 | $848.5K | 0.04% | 00.0% | Unchanged |
| Sanibel Captiva Trust Company, Inc. | 1,503 | $844.5K | 0.02% | −234−13.5% | Reduced |
| Bangor Savings Bank | 1,502 | $844.0K | 0.07% | −30−2.0% | Reduced |
| Gibbs Wealth Management | 1,500 | $842.8K | 0.11% | −444−22.8% | Reduced |
| Suncoast Equity Management | 1,491 | $837.8K | 0.10% | −335−18.3% | Reduced |
| EntryPoint Capital, LLC | 1,488 | $836.1K | 0.25% | +1,488 | New |
| Atlantic Trust, LLC | 1,486 | $835.0K | 0.14% | 00.0% | Unchanged |
| American Trust | 1,472 | $827.1K | 0.07% | −413−21.9% | Reduced |
| Summit Financial, LLC | 1,464 | $822.6K | 0.01% | +192+15.1% | Added |
| Greenleaf Trust | 1,462 | $821.5K | 0.01% | −246−14.4% | Reduced |
| Headlands Technologies LLC | 1,461 | $820.9K | 0.09% | +1,461 | New |
| Ellevest, Inc. | 1,460 | $820.4K | 0.11% | +147+11.2% | Added |
| Woodline Partners LP | 1,455 | $817.5K | 0.00% | −12,172−89.3% | Reduced |
| Verdence Capital Advisors LLC | 1,452 | $815.6K | 0.05% | +101+7.5% | Added |
| Venturi Wealth Management, LLC | 1,447 | $813.1K | 0.04% | +13+0.9% | Added |
| Hills Bank & Trust Co | 1,443 | $810.8K | 0.04% | −5−0.3% | Reduced |