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 |
|---|---|---|---|---|---|
| Linden Thomas Advisory Services, LLC | 7,856 | $5.31M | 0.54% | +31+0.4% | Added |
| State of Alaska, Department of Revenue | 7,900 | $5.34M | 0.06% | −655−7.7% | Reduced |
| Marks Group Wealth Management, Inc | 7,972 | $5.39M | 0.52% | −2,129−21.1% | Reduced |
| CAPROCK Group, Inc. | 8,041 | $5.44M | 0.11% | +320+4.1% | Added |
| Elyxium Wealth, LLC | 5,419,507 | $5.44M | 1.51% | +5,419,507 | New |
| Portland Global Advisors LLC | 8,147 | $5.51M | 0.59% | +6,224+323.7% | Added |
| Chapin Davis, Inc. | 8,191 | $5.54M | 1.30% | +257+3.2% | Added |
| Employees Retirement System of Texas | 8,406 | $5.69M | 0.05% | −2,276−21.3% | Reduced |
| LaFleur & Godfrey LLC | 8,481 | $5.74M | 0.69% | −390−4.4% | Reduced |
| Eurizon SLJ Capital Ltd | 8,485 | $5.74M | 2.27% | +8,485 | New |
| Impax Asset Management Group plc | 8,646 | $5.85M | 0.04% | 00.0% | Unchanged |
| Motley Fool Asset Management LLC | 8,662 | $5.86M | 0.23% | +1,904+28.2% | Added |
| Taproot Management LP | 8,681 | $5.87M | 0.95% | +8,681 | New |
| Retail Employees Superannuation Pty Ltd as trustee for Retail Employees Superannuation Trust | 8,692 | $5.88M | 1.58% | +8,692 | New |
| Jane Street Group, LLC | 9,014 | $6.10M | 0.01% | −23,781−72.5% | Reduced |
| Algert Global LLC | 9,020 | $6.10M | 0.10% | +8,333+1,213.0% | Added |
| Harvest Fund Management Co., Ltd | 9,040 | $6.12M | 0.23% | +1,225+15.7% | Added |
| Spears Abacus Advisors LLC | 9,076 | $6.14M | 0.11% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 9,157 | $6.19M | 0.08% | +86+0.9% | Added |
| Ritholtz Wealth Management | 9,174 | $6.21M | 0.11% | +489+5.6% | Added |
| Natixis | 9,178 | $6.21M | 0.02% | +2,779+43.4% | Added |
| Louisiana State Employees Retirement System | 9,400 | $6.36M | 0.11% | −600−6.0% | Reduced |
| Azzad Asset Management Inc | 9,401 | $6.36M | 0.62% | +10.0% | Added |
| GWM Advisors LLC | 9,460 | $6.40M | 0.02% | +6,780+253.0% | Added |
| Crossmark Global Holdings, Inc. | 9,496 | $6.42M | 0.09% | +5,927+166.1% | Added |
| Shelton Capital Management | 9,540 | $6.45M | 0.13% | +128+1.4% | Added |
| Howe & Rusling Inc | 9,643 | $6.52M | 0.43% | +185+2.0% | Added |
| Perkins Capital Management Inc | 9,700 | $6.56M | 5.21% | 00.0% | Unchanged |
| Crystal Rock Capital Management | 9,880 | $6.68M | 3.53% | 00.0% | Unchanged |
| Brant Point Investment Management LLC | 9,884 | $6.69M | 1.62% | 00.0% | Unchanged |
| Anderson Hoagland & Co | 9,897 | $6.70M | 0.58% | 00.0% | Unchanged |
| Walter Public Investments Inc. | 9,963 | $6.74M | 1.19% | +9,963 | New |
| Brinker Capital Investments, LLC | 10,241 | $6.93M | 0.05% | −279−2.7% | Reduced |
| WSFS Capital Management, LLC | 10,336 | $6.99M | 0.34% | −493−4.6% | Reduced |
| Public Sector Pension Investment Board | 10,430 | $7.06M | 0.02% | +3,425+48.9% | Added |
| Pittenger & Anderson Inc | 10,491 | $7.10M | 0.27% | +43+0.4% | Added |
| Ilmarinen Mutual Pension Insurance Co | 10,600 | $7.17M | 0.06% | 00.0% | Unchanged |
| Atria Investments LLC | 10,793 | $7.30M | 0.08% | +1,659+18.2% | Added |
| Yousif Capital Management, LLC | 10,853 | $7.45M | 0.08% | −322−2.9% | Reduced |
| Point72 Asset Management, L.P. | 11,204 | $7.58M | 0.01% | +11,204 | New |
| Long Road Investment Counsel, LLC | 11,307 | $7.65M | 2.90% | +225+2.0% | Added |
| Tandem Investment Advisors, Inc. | 11,385 | $7.70M | 0.29% | −355−3.0% | Reduced |
| Vinva Investment Management Ltd | 11,319 | $7.72M | 0.10% | +3,702+48.6% | Added |
| ING Groep NV | 11,491 | $7.77M | 0.05% | +11,155+3,319.9% | Added |
| New York Life Investment Management LLC | 11,590 | $7.84M | 0.07% | −89−0.8% | Reduced |
| Elo Mutual Pension Insurance Co | 11,664 | $7.89M | 0.12% | +1,242+11.9% | Added |
| Blue Zone Wealth Advisors, LLC | 11,667 | $7.89M | 1.51% | −325−2.7% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 11,778 | $7.97M | 0.06% | −15,667−57.1% | Reduced |
| Ethic Inc. | 11,899 | $8.05M | 0.12% | +432+3.8% | Added |
| Genus Capital Management Inc. | 12,002 | $8.12M | 0.95% | −300−2.4% | Reduced |
| Haven Capital Group, Inc. | 12,137 | $8.21M | 7.70% | −1,532−11.2% | Reduced |
| WoodTrust Financial Corp | 12,148 | $8.22M | 0.96% | −48−0.4% | Reduced |
| Empowered Funds, LLC | 12,157 | $8.22M | 0.14% | +8,225+209.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 12,168 | $8.23M | 0.07% | −795−6.1% | Reduced |
| STRS Ohio | 12,208 | $8.26M | 0.03% | −22−0.2% | Reduced |
| Janney Montgomery Scott LLC | 12,211 | $8.26M | 0.02% | −21,586−63.9% | Reduced |
| Aptus Capital Advisors, LLC | 12,220 | $8.27M | 0.07% | +633+5.5% | Added |
| Gateway Investment Advisers LLC | 12,295 | $8.32M | 0.08% | +1,851+17.7% | Added |
| Wendell David Associates Inc | 12,313 | $8.33M | 0.85% | −808−6.2% | Reduced |
| CWM Advisors, LLC | 12,501 | $8.46M | 0.76% | +4,033+47.6% | Added |
| Bank of Nova Scotia | 12,507 | $8.46M | 0.01% | +2,636+26.7% | Added |
| Janus Henderson Group PLC | 12,539 | $8.48M | 0.00% | −33−0.3% | Reduced |
| Moran Wealth Management, LLC | 12,543 | $8.49M | 0.26% | +736+6.2% | Added |
| Credit Agricole S A | 12,718 | $8.60M | 0.02% | +4,536+55.4% | Added |
| Sanctuary Advisors, LLC | 12,736 | $8.62M | 0.05% | +7,186+129.5% | Added |
| Silvant Capital Management LLC | 13,035 | $8.82M | 0.30% | +1,918+17.3% | Added |
| Middleton & Co Inc | 13,135 | $8.89M | 0.94% | 00.0% | Unchanged |
| Utah Retirement Systems | 13,319 | $9.01M | 0.09% | −57−0.4% | Reduced |
| Walleye Capital LLC | 13,431 | $9.09M | 0.05% | +13,152+4,714.0% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 13,546 | $9.17M | 0.01% | +11,366+521.4% | Added |
| Woodline Partners LP | 13,627 | $9.22M | 0.04% | +3,053+28.9% | Added |
| Commonwealth Equity Services, LLC | 13,721 | $9.28M | 0.01% | −3,686−21.2% | Reduced |
| Ieq Capital, LLC | 13,943 | $9.43M | 0.03% | −1,088−7.2% | Reduced |
| Pacer Advisors, Inc. | 13,965 | $9.45M | 0.02% | +1,269+10.0% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 14,070 | $9.52M | 0.09% | +14,070 | New |
| Cardinal Capital Management | 14,116 | $9.55M | 1.26% | −62−0.4% | Reduced |
| Cornerstone Advisors, LLC | 14,170 | $9.59M | 0.32% | +14,170 | New |
| British Columbia Investment Management Corp | 14,174 | $9.59M | 0.05% | +2,615+22.6% | Added |
| Great Diamond Partners, LLC | 14,371 | $9.72M | 1.87% | −630−4.2% | Reduced |
| Lazard Asset Management LLC | 14,396 | $9.74M | 0.02% | −1,151−7.4% | Reduced |
| Mariner, LLC | 14,491 | $9.81M | 0.01% | −4,812−24.9% | Reduced |
| Nicola Wealth Management Ltd. | 14,800 | $10.0M | 0.91% | −4,000−21.3% | Reduced |
| iA Global Asset Management Inc. | 15,051 | $10.2M | 0.13% | +299+2.0% | Added |
| Chilton Investment Co LLC | 15,060 | $10.2M | 0.21% | +28+0.2% | Added |
| Rakuten Investment Management, Inc. | 14,821 | $10.2M | 0.03% | +12,950+692.1% | Added |
| Qube Research & Technologies Ltd | 15,219 | $10.3M | 0.01% | +6,346+71.5% | Added |
| Flputnam Investment Management Co | 15,420 | $10.4M | 0.15% | −56−0.4% | Reduced |
| US Bancorp | 15,502 | $10.5M | 0.01% | +243+1.6% | Added |
| JustInvest LLC | 15,942 | $10.8M | 0.11% | +758+5.0% | Added |
| Northstar Asset Management Inc | 16,285 | $11.0M | 2.85% | −2,277−12.3% | Reduced |
| USS Investment Management Ltd | 16,296 | $11.0M | 0.05% | −66−0.4% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 16,376 | $11.1M | 0.10% | −571−3.4% | Reduced |
| DnB Asset Management AS | 16,488 | $11.2M | 0.04% | +716+4.5% | Added |
| State of Tennessee, Treasury Department | 16,721 | $11.2M | 0.04% | −2,751−14.1% | Reduced |
| Nordea Investment Management AB | 16,597 | $11.3M | 0.01% | +8,845+114.1% | Added |
| Kornitzer Capital Management Inc | 16,744 | $11.3M | 0.24% | 00.0% | Unchanged |
| FIL Ltd | 16,755 | $11.3M | 0.01% | +1,495+9.8% | Added |
| Carderock Capital Management Inc | 16,775 | $11.3M | 2.75% | −209−1.2% | Reduced |
| Erste Asset Management GmbH | 16,557 | $11.4M | 0.10% | +6,800+69.7% | Added |
| Macquarie Group Ltd | 16,853 | $11.4M | 0.05% | −509,777−96.8% | Reduced |