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, Q3 2025
Institutional positions in IDEXX Laboratories Inc as of Sep 30, 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
- 1,302
- +88 vs. Q2 2025
- Shares held
- 72.2M
- −1.78M (−2.4%) vs. Q2 2025
- Total value
- $46.1B
- +$6.43B (+16.2%) vs. Q2 2025
- New holders
- 162
- 417 more added
- Sold out
- 74
- 490 more reduced
20 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mercer Global Advisors Inc | 6,587 | $4.21M | 0.01% | +1,690+34.5% | Added |
| Tudor Investment Corp Et Al | 6,614 | $4.23M | 0.03% | −11,313−63.1% | Reduced |
| Stonegate Investment Group, LLC | 6,701 | $4.28M | 0.10% | −14−0.2% | Reduced |
| New Hampshire Trust | 6,721 | $4.29M | 0.83% | +283+4.4% | Added |
| Motley Fool Asset Management LLC | 6,758 | $4.32M | 0.18% | +1,471+27.8% | Added |
| Regions Financial Corp | 6,814 | $4.35M | 0.03% | −955−12.3% | Reduced |
| Profund Advisors LLC | 6,816 | $4.35M | 0.14% | −192−2.7% | Reduced |
| Univest Financial Corp | 6,880 | $4.40M | 0.25% | −4,666−40.4% | Reduced |
| Taikang Asset Management (Hong Kong) Co Ltd | 6,979 | $4.46M | 0.50% | −3,146−31.1% | Reduced |
| Stance Capital LLC | 6,987 | $4.46M | 1.64% | +5,252+302.7% | Added |
| Bright Rock Capital Management, LLC | 7,000 | $4.47M | 0.88% | 00.0% | Unchanged |
| Public Sector Pension Investment Board | 7,005 | $4.48M | 0.02% | +865+14.1% | Added |
| Headinvest, LLC | 7,011 | $4.48M | 0.93% | −165−2.3% | Reduced |
| AE Wealth Management LLC | 7,071 | $4.52M | 0.03% | −4,526−39.0% | Reduced |
| Jump Financial, LLC | 7,091 | $4.53M | 0.06% | +1,559+28.2% | Added |
| Bayesian Capital Management, LP | 7,200 | $4.60M | 0.94% | +6,276+679.2% | Added |
| Sone Capital Management, LLC | 7,253 | $4.63M | 0.39% | +7,253 | New |
| Moody Lynn & Lieberson, LLC | 7,280 | $4.65M | 0.25% | +49+0.7% | Added |
| Fifth Third Bancorp | 7,374 | $4.71M | 0.02% | +1,392+23.3% | Added |
| Generali Asset Management SPA SGR | 7,396 | $4.73M | 0.10% | −31−0.4% | Reduced |
| Bridgewater Associates, LP | 7,404 | $4.73M | 0.02% | +4,779+182.1% | Added |
| Norinchukin Bank, The | 7,406 | $4.73M | 0.06% | −246−3.2% | Reduced |
| Vinva Investment Management Ltd | 7,617 | $4.80M | 0.10% | −22,172−74.4% | Reduced |
| Nordea Investment Management AB | 7,752 | $4.90M | 0.00% | −305−3.8% | Reduced |
| Public Employees Retirement Association of Colorado | 7,688 | $4.91M | 0.02% | −85−1.1% | Reduced |
| First Foundation Advisors | 7,701 | $4.92M | 0.18% | −835−9.8% | Reduced |
| Advisors Capital Management, LLC | 7,708 | $4.93M | 0.06% | 00.0% | Unchanged |
| CIBC World Markets Inc. | 7,742 | $4.95M | 0.01% | +479+6.6% | Added |
| Clear Harbor Asset Management, LLC | 7,743 | $4.95M | 0.35% | −102−1.3% | Reduced |
| Groupe la Francaise | 7,765 | $4.96M | 0.07% | −130−1.6% | Reduced |
| Summit Asset Management, LLC | 7,785 | $4.97M | 0.76% | 00.0% | Unchanged |
| Harvest Fund Management Co., Ltd | 7,815 | $4.99M | 0.21% | +1,653+26.8% | Added |
| Munich Reinsurance Co Stock Corp in Munich | 7,812 | $4.99M | 0.13% | +7,812 | New |
| CAPROCK Group, Inc. | 7,721 | $5.00M | 0.12% | +7,721 | New |
| Linden Thomas Advisory Services, LLC | 7,825 | $5.00M | 0.51% | +28+0.4% | Added |
| Chapin Davis, Inc. | 7,934 | $5.07M | 1.24% | +7,934 | New |
| Fiduciary Trust Co | 8,065 | $5.15M | 0.06% | −271−3.3% | Reduced |
| Credit Agricole S A | 8,182 | $5.23M | 0.02% | +8,182 | New |
| Schonfeld Strategic Advisors LLC | 8,291 | $5.30M | 0.04% | +7,542+1,006.9% | Added |
| Aquatic Capital Management LLC | 8,299 | $5.30M | 0.10% | +8,299 | New |
| CWM Advisors, LLC | 8,468 | $5.41M | 0.53% | +6+0.1% | Added |
| Occudo Quantitative Strategies LP | 8,530 | $5.45M | 0.66% | +5,807+213.3% | Added |
| Insight Wealth Strategies, LLC | 8,540 | $5.46M | 0.64% | −120−1.4% | Reduced |
| State of Alaska, Department of Revenue | 8,555 | $5.46M | 0.06% | −477−5.3% | Reduced |
| UniSuper Management Pty Ltd | 8,564 | $5.47M | 0.03% | +1,624+23.4% | Added |
| Impax Asset Management Group plc | 8,646 | $5.52M | 0.03% | −207−2.3% | Reduced |
| Vident Advisory, LLC | 8,681 | $5.55M | 0.05% | +5,784+199.7% | Added |
| Ritholtz Wealth Management | 8,685 | $5.55M | 0.11% | +7,773+852.3% | Added |
| LaFleur & Godfrey LLC | 8,871 | $5.67M | 0.69% | −945−9.6% | Reduced |
| Qube Research & Technologies Ltd | 8,873 | $5.67M | 0.01% | +2,784+45.7% | Added |
| Captrust Financial Advisors | 9,063 | $5.79M | 0.01% | −1,071−10.6% | Reduced |
| Oregon Public Employees Retirement Fund | 9,071 | $5.80M | 0.08% | +2,146+31.0% | Added |
| Spears Abacus Advisors LLC | 9,076 | $5.80M | 0.11% | +5+0.1% | Added |
| Atria Investments LLC | 9,134 | $5.84M | 0.07% | −696−7.1% | Reduced |
| Azzad Asset Management Inc | 9,400 | $6.01M | 0.59% | +735+8.5% | Added |
| Shelton Capital Management | 9,412 | $6.01M | 0.13% | −234−2.4% | Reduced |
| Howe & Rusling Inc | 9,458 | $6.04M | 0.41% | +1,364+16.9% | Added |
| Wealthfront Advisers LLC | 9,477 | $6.05M | 0.01% | +2,463+35.1% | Added |
| Erste Asset Management GmbH | 9,757 | $6.15M | 0.06% | −4,665−32.3% | Reduced |
| Perkins Capital Management Inc | 9,700 | $6.20M | 5.46% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 9,700 | $6.20M | 0.01% | 00.0% | Unchanged |
| Bank of Nova Scotia | 9,871 | $6.31M | 0.01% | −18,464−65.2% | Reduced |
| Crystal Rock Capital Management | 9,880 | $6.31M | 3.45% | −705−6.7% | Reduced |
| Brant Point Investment Management LLC | 9,884 | $6.31M | 1.40% | −1,392−12.3% | Reduced |
| Anderson Hoagland & Co | 9,897 | $6.32M | 0.57% | −28−0.3% | Reduced |
| Louisiana State Employees Retirement System | 10,000 | $6.39M | 0.11% | −100−1.0% | Reduced |
| Marks Group Wealth Management, Inc | 10,101 | $6.45M | 0.60% | −1,839−15.4% | Reduced |
| EFG Asset Management (North America) Corp. | 10,149 | $6.48M | 0.84% | −976−8.8% | Reduced |
| Alta Capital Management LLC | 10,202 | $6.52M | 0.36% | −11,941−53.9% | Reduced |
| Elo Mutual Pension Insurance Co | 10,422 | $6.66M | 0.11% | −269−2.5% | Reduced |
| Gateway Investment Advisers LLC | 10,444 | $6.67M | 0.06% | −2,595−19.9% | Reduced |
| Pittenger & Anderson Inc | 10,448 | $6.68M | 0.24% | −39−0.4% | Reduced |
| Sterling Capital Management LLC | 10,493 | $6.70M | 0.10% | +2,315+28.3% | Added |
| Brinker Capital Investments, LLC | 10,520 | $6.72M | 0.05% | −198−1.8% | Reduced |
| Woodline Partners LP | 10,574 | $6.76M | 0.03% | +1,875+21.6% | Added |
| Ilmarinen Mutual Pension Insurance Co | 10,600 | $6.77M | 0.05% | +3,600+51.4% | Added |
| Employees Retirement System of Texas | 10,682 | $6.83M | 0.05% | +5,032+89.1% | Added |
| WSFS Capital Management, LLC | 10,829 | $6.92M | 0.34% | −423−3.8% | Reduced |
| Ossiam | 10,994 | $7.02M | 0.09% | +4,350+65.5% | Added |
| Long Road Investment Counsel, LLC | 11,082 | $7.08M | 2.51% | 00.0% | Unchanged |
| Silvant Capital Management LLC | 11,117 | $7.10M | 0.25% | −1,051−8.6% | Reduced |
| J. Stern & Co. LLP | 11,151 | $7.12M | 0.54% | +6,197+125.1% | Added |
| Yousif Capital Management, LLC | 11,175 | $7.14M | 0.08% | −570−4.9% | Reduced |
| Ethic Inc. | 11,467 | $7.33M | 0.12% | +1,799+18.6% | Added |
| British Columbia Investment Management Corp | 11,559 | $7.38M | 0.04% | −1,191−9.3% | Reduced |
| Aptus Capital Advisors, LLC | 11,587 | $7.40M | 0.07% | −1,205−9.4% | Reduced |
| New York Life Investment Management LLC | 11,679 | $7.46M | 0.07% | −373−3.1% | Reduced |
| Tandem Investment Advisors, Inc. | 11,740 | $7.50M | 0.26% | −50.0% | Reduced |
| Kovitz Investment Group Partners, LLC | 11,794 | $7.54M | 0.03% | −2,199−15.7% | Reduced |
| Moran Wealth Management, LLC | 11,807 | $7.54M | 0.23% | +11,807 | New |
| Blue Zone Wealth Advisors, LLC | 11,992 | $7.66M | 1.53% | +135+1.1% | Added |
| PFG Advisors | 12,032 | $7.69M | 0.31% | +461+4.0% | Added |
| WoodTrust Financial Corp | 12,196 | $7.79M | 0.93% | −423−3.4% | Reduced |
| STRS Ohio | 12,230 | $7.81M | 0.03% | −3,699−23.2% | Reduced |
| Genus Capital Management Inc. | 12,302 | $7.86M | 0.91% | +12,302 | New |
| Janus Henderson Group PLC | 12,572 | $8.03M | 0.00% | +1,738+16.0% | Added |
| Pacer Advisors, Inc. | 12,696 | $8.11M | 0.02% | −473−3.6% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 12,963 | $8.28M | 0.07% | +715+5.8% | Added |
| Integrated Wealth Concepts LLC | 13,103 | $8.37M | 0.07% | −1,542−10.5% | Reduced |
| Wendell David Associates Inc | 13,121 | $8.38M | 0.83% | −31−0.2% | Reduced |