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, Q4 2025
Institutional positions in IDEXX Laboratories Inc as of Dec 31, 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
- 1,385
- +111 vs. Q3 2025
- Shares held
- 82.4M
- +10.5M (+14.6%) vs. Q3 2025
- Total value
- $50.3B
- +$4.35B (+9.5%) vs. Q3 2025
- New holders
- 191
- 482 more added
- Sold out
- 80
- 481 more reduced
28 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rakuten Investment Management, Inc. | 14,821 | $10.2M | 0.03% | +12,950+692.1% | Added |
| Chilton Investment Co LLC | 15,060 | $10.2M | 0.21% | +28+0.2% | Added |
| iA Global Asset Management Inc. | 15,051 | $10.2M | 0.13% | +299+2.0% | Added |
| Nicola Wealth Management Ltd. | 14,800 | $10.0M | 0.91% | −4,000−21.3% | Reduced |
| Mariner, LLC | 14,491 | $9.81M | 0.01% | −4,812−24.9% | Reduced |
| Lazard Asset Management LLC | 14,396 | $9.74M | 0.02% | −1,151−7.4% | Reduced |
| Great Diamond Partners, LLC | 14,371 | $9.72M | 1.87% | −630−4.2% | Reduced |
| British Columbia Investment Management Corp | 14,174 | $9.59M | 0.05% | +2,615+22.6% | Added |
| Cornerstone Advisors, LLC | 14,170 | $9.59M | 0.32% | +14,170 | New |
| Cardinal Capital Management | 14,116 | $9.55M | 1.26% | −62−0.4% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 14,070 | $9.52M | 0.09% | +14,070 | New |
| Pacer Advisors, Inc. | 13,965 | $9.45M | 0.02% | +1,269+10.0% | Added |
| Ieq Capital, LLC | 13,943 | $9.43M | 0.03% | −1,088−7.2% | Reduced |
| Commonwealth Equity Services, LLC | 13,721 | $9.28M | 0.01% | −3,686−21.2% | Reduced |
| Woodline Partners LP | 13,627 | $9.22M | 0.04% | +3,053+28.9% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 13,546 | $9.17M | 0.01% | +11,366+521.4% | Added |
| Walleye Capital LLC | 13,431 | $9.09M | 0.05% | +13,152+4,714.0% | Added |
| Utah Retirement Systems | 13,319 | $9.01M | 0.09% | −57−0.4% | Reduced |
| Middleton & Co Inc | 13,135 | $8.89M | 0.94% | 00.0% | Unchanged |
| Silvant Capital Management LLC | 13,035 | $8.82M | 0.30% | +1,918+17.3% | Added |
| Sanctuary Advisors, LLC | 12,736 | $8.62M | 0.05% | +7,186+129.5% | Added |
| Credit Agricole S A | 12,718 | $8.60M | 0.02% | +4,536+55.4% | Added |
| Moran Wealth Management, LLC | 12,543 | $8.49M | 0.26% | +736+6.2% | Added |
| Janus Henderson Group PLC | 12,539 | $8.48M | 0.00% | −33−0.3% | Reduced |
| Bank of Nova Scotia | 12,507 | $8.46M | 0.01% | +2,636+26.7% | Added |
| CWM Advisors, LLC | 12,501 | $8.46M | 0.76% | +4,033+47.6% | Added |
| Wendell David Associates Inc | 12,313 | $8.33M | 0.85% | −808−6.2% | Reduced |
| Gateway Investment Advisers LLC | 12,295 | $8.32M | 0.08% | +1,851+17.7% | Added |
| Aptus Capital Advisors, LLC | 12,220 | $8.27M | 0.07% | +633+5.5% | Added |
| Janney Montgomery Scott LLC | 12,211 | $8.26M | 0.02% | −21,586−63.9% | Reduced |
| STRS Ohio | 12,208 | $8.26M | 0.03% | −22−0.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 12,168 | $8.23M | 0.07% | −795−6.1% | Reduced |
| Empowered Funds, LLC | 12,157 | $8.22M | 0.14% | +8,225+209.2% | Added |
| WoodTrust Financial Corp | 12,148 | $8.22M | 0.96% | −48−0.4% | Reduced |
| Haven Capital Group, Inc. | 12,137 | $8.21M | 7.70% | −1,532−11.2% | Reduced |
| Genus Capital Management Inc. | 12,002 | $8.12M | 0.95% | −300−2.4% | Reduced |
| Ethic Inc. | 11,899 | $8.05M | 0.12% | +432+3.8% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 11,778 | $7.97M | 0.06% | −15,667−57.1% | Reduced |
| Blue Zone Wealth Advisors, LLC | 11,667 | $7.89M | 1.51% | −325−2.7% | Reduced |
| Elo Mutual Pension Insurance Co | 11,664 | $7.89M | 0.12% | +1,242+11.9% | Added |
| New York Life Investment Management LLC | 11,590 | $7.84M | 0.07% | −89−0.8% | Reduced |
| ING Groep NV | 11,491 | $7.77M | 0.05% | +11,155+3,319.9% | Added |
| Vinva Investment Management Ltd | 11,319 | $7.72M | 0.10% | +3,702+48.6% | Added |
| Tandem Investment Advisors, Inc. | 11,385 | $7.70M | 0.29% | −355−3.0% | Reduced |
| Long Road Investment Counsel, LLC | 11,307 | $7.65M | 2.90% | +225+2.0% | Added |
| Point72 Asset Management, L.P. | 11,204 | $7.58M | 0.01% | +11,204 | New |
| Yousif Capital Management, LLC | 10,853 | $7.45M | 0.08% | −322−2.9% | Reduced |
| Atria Investments LLC | 10,793 | $7.30M | 0.08% | +1,659+18.2% | Added |
| Ilmarinen Mutual Pension Insurance Co | 10,600 | $7.17M | 0.06% | 00.0% | Unchanged |
| Pittenger & Anderson Inc | 10,491 | $7.10M | 0.27% | +43+0.4% | Added |
| Public Sector Pension Investment Board | 10,430 | $7.06M | 0.02% | +3,425+48.9% | Added |
| WSFS Capital Management, LLC | 10,336 | $6.99M | 0.34% | −493−4.6% | Reduced |
| Brinker Capital Investments, LLC | 10,241 | $6.93M | 0.05% | −279−2.7% | Reduced |
| Walter Public Investments Inc. | 9,963 | $6.74M | 1.19% | +9,963 | New |
| Anderson Hoagland & Co | 9,897 | $6.70M | 0.58% | 00.0% | Unchanged |
| Brant Point Investment Management LLC | 9,884 | $6.69M | 1.62% | 00.0% | Unchanged |
| Crystal Rock Capital Management | 9,880 | $6.68M | 3.53% | 00.0% | Unchanged |
| Perkins Capital Management Inc | 9,700 | $6.56M | 5.21% | 00.0% | Unchanged |
| Howe & Rusling Inc | 9,643 | $6.52M | 0.43% | +185+2.0% | Added |
| Shelton Capital Management | 9,540 | $6.45M | 0.13% | +128+1.4% | Added |
| Crossmark Global Holdings, Inc. | 9,496 | $6.42M | 0.09% | +5,927+166.1% | Added |
| GWM Advisors LLC | 9,460 | $6.40M | 0.02% | +6,780+253.0% | Added |
| Azzad Asset Management Inc | 9,401 | $6.36M | 0.62% | +10.0% | Added |
| Louisiana State Employees Retirement System | 9,400 | $6.36M | 0.11% | −600−6.0% | Reduced |
| Natixis | 9,178 | $6.21M | 0.02% | +2,779+43.4% | Added |
| Ritholtz Wealth Management | 9,174 | $6.21M | 0.11% | +489+5.6% | Added |
| Oregon Public Employees Retirement Fund | 9,157 | $6.19M | 0.08% | +86+0.9% | Added |
| Spears Abacus Advisors LLC | 9,076 | $6.14M | 0.11% | 00.0% | Unchanged |
| Harvest Fund Management Co., Ltd | 9,040 | $6.12M | 0.23% | +1,225+15.7% | Added |
| Algert Global LLC | 9,020 | $6.10M | 0.10% | +8,333+1,213.0% | Added |
| Jane Street Group, LLC | 9,014 | $6.10M | 0.01% | −23,781−72.5% | Reduced |
| Retail Employees Superannuation Pty Ltd as trustee for Retail Employees Superannuation Trust | 8,692 | $5.88M | 1.58% | +8,692 | New |
| Taproot Management LP | 8,681 | $5.87M | 0.95% | +8,681 | New |
| Motley Fool Asset Management LLC | 8,662 | $5.86M | 0.23% | +1,904+28.2% | Added |
| Impax Asset Management Group plc | 8,646 | $5.85M | 0.04% | 00.0% | Unchanged |
| Eurizon SLJ Capital Ltd | 8,485 | $5.74M | 2.27% | +8,485 | New |
| LaFleur & Godfrey LLC | 8,481 | $5.74M | 0.69% | −390−4.4% | Reduced |
| Employees Retirement System of Texas | 8,406 | $5.69M | 0.05% | −2,276−21.3% | Reduced |
| Chapin Davis, Inc. | 8,191 | $5.54M | 1.30% | +257+3.2% | Added |
| Portland Global Advisors LLC | 8,147 | $5.51M | 0.59% | +6,224+323.7% | Added |
| Elyxium Wealth, LLC | 5,419,507 | $5.44M | 1.51% | +5,419,507 | New |
| CAPROCK Group, Inc. | 8,041 | $5.44M | 0.11% | +320+4.1% | Added |
| Marks Group Wealth Management, Inc | 7,972 | $5.39M | 0.52% | −2,129−21.1% | Reduced |
| State of Alaska, Department of Revenue | 7,900 | $5.34M | 0.06% | −655−7.7% | Reduced |
| Linden Thomas Advisory Services, LLC | 7,856 | $5.31M | 0.54% | +31+0.4% | Added |
| Commerce Bank | 7,806 | $5.28M | 0.03% | +2,178+38.7% | Added |
| Navellier & Associates Inc | 7,795 | $5.27M | 0.59% | +7,795 | New |
| Summit Asset Management, LLC | 7,706 | $5.21M | 0.74% | −79−1.0% | Reduced |
| Profund Advisors LLC | 7,683 | $5.20M | 0.16% | +867+12.7% | Added |
| Advisors Capital Management, LLC | 7,637 | $5.17M | 0.06% | −71−0.9% | Reduced |
| Fifth Third Bancorp | 7,516 | $5.08M | 0.02% | +142+1.9% | Added |
| Clear Harbor Asset Management, LLC | 7,508 | $5.08M | 0.35% | −235−3.0% | Reduced |
| Norinchukin Bank, The | 7,444 | $5.04M | 0.06% | +38+0.5% | Added |
| Mercer Global Advisors Inc | 7,346 | $4.97M | 0.01% | +759+11.5% | Added |
| AE Wealth Management LLC | 7,314 | $4.95M | 0.03% | +243+3.4% | Added |
| Fiduciary Trust Co | 7,298 | $4.94M | 0.06% | −767−9.5% | Reduced |
| First Foundation Advisors | 7,287 | $4.93M | 0.19% | −414−5.4% | Reduced |
| Moody Lynn & Lieberson, LLC | 7,255 | $4.91M | 0.26% | −25−0.3% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 7,233 | $4.90M | 0.03% | +850+13.3% | Added |
| UniSuper Management Pty Ltd | 7,219 | $4.88M | 0.03% | −1,345−15.7% | Reduced |