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 |
|---|---|---|---|---|---|
| Utah Retirement Systems | 13,376 | $8.55M | 0.08% | +17+0.1% | Added |
| Middleton & Co Inc | 13,135 | $8.39M | 0.91% | −172−1.3% | Reduced |
| Wendell David Associates Inc | 13,121 | $8.38M | 0.83% | −31−0.2% | Reduced |
| Integrated Wealth Concepts LLC | 13,103 | $8.37M | 0.07% | −1,542−10.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 12,963 | $8.28M | 0.07% | +715+5.8% | Added |
| Pacer Advisors, Inc. | 12,696 | $8.11M | 0.02% | −473−3.6% | Reduced |
| Janus Henderson Group PLC | 12,572 | $8.03M | 0.00% | +1,738+16.0% | Added |
| Genus Capital Management Inc. | 12,302 | $7.86M | 0.91% | +12,302 | New |
| STRS Ohio | 12,230 | $7.81M | 0.03% | −3,699−23.2% | Reduced |
| WoodTrust Financial Corp | 12,196 | $7.79M | 0.93% | −423−3.4% | Reduced |
| PFG Advisors | 12,032 | $7.69M | 0.31% | +461+4.0% | Added |
| Blue Zone Wealth Advisors, LLC | 11,992 | $7.66M | 1.53% | +135+1.1% | Added |
| Moran Wealth Management, LLC | 11,807 | $7.54M | 0.23% | +11,807 | New |
| Kovitz Investment Group Partners, LLC | 11,794 | $7.54M | 0.03% | −2,199−15.7% | Reduced |
| Tandem Investment Advisors, Inc. | 11,740 | $7.50M | 0.26% | −50.0% | Reduced |
| New York Life Investment Management LLC | 11,679 | $7.46M | 0.07% | −373−3.1% | Reduced |
| Aptus Capital Advisors, LLC | 11,587 | $7.40M | 0.07% | −1,205−9.4% | Reduced |
| British Columbia Investment Management Corp | 11,559 | $7.38M | 0.04% | −1,191−9.3% | Reduced |
| Ethic Inc. | 11,467 | $7.33M | 0.12% | +1,799+18.6% | Added |
| Yousif Capital Management, LLC | 11,175 | $7.14M | 0.08% | −570−4.9% | Reduced |
| J. Stern & Co. LLP | 11,151 | $7.12M | 0.54% | +6,197+125.1% | Added |
| Silvant Capital Management LLC | 11,117 | $7.10M | 0.25% | −1,051−8.6% | Reduced |
| Long Road Investment Counsel, LLC | 11,082 | $7.08M | 2.51% | 00.0% | Unchanged |
| Ossiam | 10,994 | $7.02M | 0.09% | +4,350+65.5% | Added |
| WSFS Capital Management, LLC | 10,829 | $6.92M | 0.34% | −423−3.8% | Reduced |
| Employees Retirement System of Texas | 10,682 | $6.83M | 0.05% | +5,032+89.1% | Added |
| Ilmarinen Mutual Pension Insurance Co | 10,600 | $6.77M | 0.05% | +3,600+51.4% | Added |
| Woodline Partners LP | 10,574 | $6.76M | 0.03% | +1,875+21.6% | Added |
| Brinker Capital Investments, LLC | 10,520 | $6.72M | 0.05% | −198−1.8% | Reduced |
| Sterling Capital Management LLC | 10,493 | $6.70M | 0.10% | +2,315+28.3% | Added |
| Pittenger & Anderson Inc | 10,448 | $6.68M | 0.24% | −39−0.4% | Reduced |
| Gateway Investment Advisers LLC | 10,444 | $6.67M | 0.06% | −2,595−19.9% | Reduced |
| Elo Mutual Pension Insurance Co | 10,422 | $6.66M | 0.11% | −269−2.5% | Reduced |
| Alta Capital Management LLC | 10,202 | $6.52M | 0.36% | −11,941−53.9% | Reduced |
| EFG Asset Management (North America) Corp. | 10,149 | $6.48M | 0.84% | −976−8.8% | Reduced |
| Marks Group Wealth Management, Inc | 10,101 | $6.45M | 0.60% | −1,839−15.4% | Reduced |
| Louisiana State Employees Retirement System | 10,000 | $6.39M | 0.11% | −100−1.0% | Reduced |
| Anderson Hoagland & Co | 9,897 | $6.32M | 0.57% | −28−0.3% | Reduced |
| Brant Point Investment Management LLC | 9,884 | $6.31M | 1.40% | −1,392−12.3% | Reduced |
| Crystal Rock Capital Management | 9,880 | $6.31M | 3.45% | −705−6.7% | Reduced |
| Bank of Nova Scotia | 9,871 | $6.31M | 0.01% | −18,464−65.2% | 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 |
| Erste Asset Management GmbH | 9,757 | $6.15M | 0.06% | −4,665−32.3% | Reduced |
| Wealthfront Advisers LLC | 9,477 | $6.05M | 0.01% | +2,463+35.1% | Added |
| Howe & Rusling Inc | 9,458 | $6.04M | 0.41% | +1,364+16.9% | Added |
| Shelton Capital Management | 9,412 | $6.01M | 0.13% | −234−2.4% | Reduced |
| Azzad Asset Management Inc | 9,400 | $6.01M | 0.59% | +735+8.5% | Added |
| Atria Investments LLC | 9,134 | $5.84M | 0.07% | −696−7.1% | Reduced |
| Spears Abacus Advisors LLC | 9,076 | $5.80M | 0.11% | +5+0.1% | Added |
| Oregon Public Employees Retirement Fund | 9,071 | $5.80M | 0.08% | +2,146+31.0% | Added |
| Captrust Financial Advisors | 9,063 | $5.79M | 0.01% | −1,071−10.6% | Reduced |
| Qube Research & Technologies Ltd | 8,873 | $5.67M | 0.01% | +2,784+45.7% | Added |
| LaFleur & Godfrey LLC | 8,871 | $5.67M | 0.69% | −945−9.6% | Reduced |
| Ritholtz Wealth Management | 8,685 | $5.55M | 0.11% | +7,773+852.3% | Added |
| Vident Advisory, LLC | 8,681 | $5.55M | 0.05% | +5,784+199.7% | Added |
| Impax Asset Management Group plc | 8,646 | $5.52M | 0.03% | −207−2.3% | Reduced |
| UniSuper Management Pty Ltd | 8,564 | $5.47M | 0.03% | +1,624+23.4% | Added |
| State of Alaska, Department of Revenue | 8,555 | $5.46M | 0.06% | −477−5.3% | Reduced |
| Insight Wealth Strategies, LLC | 8,540 | $5.46M | 0.64% | −120−1.4% | Reduced |
| Occudo Quantitative Strategies LP | 8,530 | $5.45M | 0.66% | +5,807+213.3% | Added |
| CWM Advisors, LLC | 8,468 | $5.41M | 0.53% | +6+0.1% | Added |
| Aquatic Capital Management LLC | 8,299 | $5.30M | 0.10% | +8,299 | New |
| Schonfeld Strategic Advisors LLC | 8,291 | $5.30M | 0.04% | +7,542+1,006.9% | Added |
| Credit Agricole S A | 8,182 | $5.23M | 0.02% | +8,182 | New |
| Fiduciary Trust Co | 8,065 | $5.15M | 0.06% | −271−3.3% | Reduced |
| Chapin Davis, Inc. | 7,934 | $5.07M | 1.24% | +7,934 | New |
| Linden Thomas Advisory Services, LLC | 7,825 | $5.00M | 0.51% | +28+0.4% | Added |
| CAPROCK Group, Inc. | 7,721 | $5.00M | 0.12% | +7,721 | New |
| Munich Reinsurance Co Stock Corp in Munich | 7,812 | $4.99M | 0.13% | +7,812 | New |
| Harvest Fund Management Co., Ltd | 7,815 | $4.99M | 0.21% | +1,653+26.8% | Added |
| Summit Asset Management, LLC | 7,785 | $4.97M | 0.76% | 00.0% | Unchanged |
| Groupe la Francaise | 7,765 | $4.96M | 0.07% | −130−1.6% | Reduced |
| Clear Harbor Asset Management, LLC | 7,743 | $4.95M | 0.35% | −102−1.3% | Reduced |
| CIBC World Markets Inc. | 7,742 | $4.95M | 0.01% | +479+6.6% | Added |
| Advisors Capital Management, LLC | 7,708 | $4.93M | 0.06% | 00.0% | Unchanged |
| First Foundation Advisors | 7,701 | $4.92M | 0.18% | −835−9.8% | Reduced |
| Public Employees Retirement Association of Colorado | 7,688 | $4.91M | 0.02% | −85−1.1% | Reduced |
| Nordea Investment Management AB | 7,752 | $4.90M | 0.00% | −305−3.8% | Reduced |
| Vinva Investment Management Ltd | 7,617 | $4.80M | 0.10% | −22,172−74.4% | Reduced |
| Norinchukin Bank, The | 7,406 | $4.73M | 0.06% | −246−3.2% | Reduced |
| Bridgewater Associates, LP | 7,404 | $4.73M | 0.02% | +4,779+182.1% | Added |
| Generali Asset Management SPA SGR | 7,396 | $4.73M | 0.10% | −31−0.4% | Reduced |
| Fifth Third Bancorp | 7,374 | $4.71M | 0.02% | +1,392+23.3% | Added |
| Moody Lynn & Lieberson, LLC | 7,280 | $4.65M | 0.25% | +49+0.7% | Added |
| Sone Capital Management, LLC | 7,253 | $4.63M | 0.39% | +7,253 | New |
| Bayesian Capital Management, LP | 7,200 | $4.60M | 0.94% | +6,276+679.2% | Added |
| Jump Financial, LLC | 7,091 | $4.53M | 0.06% | +1,559+28.2% | Added |
| AE Wealth Management LLC | 7,071 | $4.52M | 0.03% | −4,526−39.0% | Reduced |
| Headinvest, LLC | 7,011 | $4.48M | 0.93% | −165−2.3% | Reduced |
| Public Sector Pension Investment Board | 7,005 | $4.48M | 0.02% | +865+14.1% | Added |
| Bright Rock Capital Management, LLC | 7,000 | $4.47M | 0.88% | 00.0% | Unchanged |
| Stance Capital LLC | 6,987 | $4.46M | 1.64% | +5,252+302.7% | Added |
| Taikang Asset Management (Hong Kong) Co Ltd | 6,979 | $4.46M | 0.50% | −3,146−31.1% | Reduced |
| Univest Financial Corp | 6,880 | $4.40M | 0.25% | −4,666−40.4% | Reduced |
| Profund Advisors LLC | 6,816 | $4.35M | 0.14% | −192−2.7% | Reduced |
| Regions Financial Corp | 6,814 | $4.35M | 0.03% | −955−12.3% | Reduced |
| Motley Fool Asset Management LLC | 6,758 | $4.32M | 0.18% | +1,471+27.8% | Added |
| New Hampshire Trust | 6,721 | $4.29M | 0.83% | +283+4.4% | Added |
| Stonegate Investment Group, LLC | 6,701 | $4.28M | 0.10% | −14−0.2% | Reduced |