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 |
|---|---|---|---|---|---|
| Portland Global Advisors LLC | 6,737 | $3.79M | 0.40% | −1,410−17.3% | Reduced |
| Fiduciary Trust Co | 6,750 | $3.79M | 0.04% | −548−7.5% | Reduced |
| Insight Wealth Strategies, LLC | 6,781 | $3.81M | 0.43% | +60+0.9% | Added |
| Gateway Investment Advisers LLC | 6,854 | $3.85M | 0.04% | −5,441−44.3% | Reduced |
| Avanza Fonder AB | 6,927 | $3.89M | 0.11% | +353+5.4% | Added |
| Americana Partners, LLC | 6,991 | $3.93M | 0.10% | +2,471+54.7% | Added |
| Bright Rock Capital Management, LLC | 7,000 | $3.93M | 0.78% | 00.0% | Unchanged |
| CIBC World Markets Inc. | 7,117 | $4.00M | 0.01% | −16,740−70.2% | Reduced |
| First Foundation Advisors | 7,151 | $4.02M | 0.16% | −136−1.9% | Reduced |
| Spears Abacus Advisors LLC | 7,176 | $4.03M | 0.08% | −1,900−20.9% | Reduced |
| FIL Ltd | 7,204 | $4.05M | 0.00% | −9,551−57.0% | Reduced |
| Moody Lynn & Lieberson, LLC | 7,250 | $4.07M | 0.23% | −5−0.1% | Reduced |
| Boston Private Wealth LLC | 7,335 | $4.12M | 0.27% | +1,089+17.4% | Added |
| Ossiam | 7,337 | $4.12M | 0.07% | +502+7.3% | Added |
| CAPROCK Group, Inc. | 7,339 | $4.12M | 0.10% | −702−8.7% | Reduced |
| CWA Asset Management Group, LLC | 7,356 | $4.13M | 0.14% | +6,847+1,345.2% | Added |
| Clear Harbor Asset Management, LLC | 7,388 | $4.15M | 0.29% | −120−1.6% | Reduced |
| Summit Asset Management, LLC | 7,706 | $4.33M | 0.60% | 00.0% | Unchanged |
| Norinchukin Bank, The | 7,718 | $4.34M | 0.05% | +274+3.7% | Added |
| Generali Asset Management SPA SGR | 7,737 | $4.35M | 0.09% | +945+13.9% | Added |
| Campbell & CO Investment Adviser LLC | 7,772 | $4.37M | 0.25% | +6,534+527.8% | Added |
| Motley Fool Asset Management LLC | 7,822 | $4.40M | 0.19% | −840−9.7% | Reduced |
| State of Alaska, Department of Revenue | 7,900 | $4.44M | 0.05% | 00.0% | Unchanged |
| Linden Thomas Advisory Services, LLC | 8,000 | $4.50M | 0.43% | +144+1.8% | Added |
| NLB Skladi, upravljanje premozenja, d.o.o. | 8,252 | $4.64M | 0.22% | +1,901+29.9% | Added |
| Tudor Investment Corp Et Al | 8,342 | $4.69M | 0.03% | +8,342 | New |
| LaFleur & Godfrey LLC | 8,360 | $4.70M | 0.58% | −121−1.4% | Reduced |
| Employees Retirement System of Texas | 8,406 | $4.72M | 0.04% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 8,456 | $4.75M | 0.04% | −1,785−17.4% | Reduced |
| Ritholtz Wealth Management | 8,643 | $4.86M | 0.08% | −531−5.8% | Reduced |
| TD Waterhouse Canada Inc. | 8,733 | $4.92M | 0.01% | +8,303+1,930.9% | Added |
| Commerce Bank | 9,007 | $5.06M | 0.02% | +1,201+15.4% | Added |
| Oregon Public Employees Retirement Fund | 9,146 | $5.14M | 0.07% | −11−0.1% | Reduced |
| UniSuper Management Pty Ltd | 9,191 | $5.16M | 0.03% | +1,972+27.3% | Added |
| Landscape Capital Management, L.L.C. | 9,194 | $5.17M | 0.33% | +2,915+46.4% | Added |
| Banque Cantonale Vaudoise | 9,213 | $5.18M | 0.19% | +3,247+54.4% | Added |
| Hantz Financial Services, Inc. | 9,267 | $5.21M | 0.08% | −17,350−65.2% | Reduced |
| Pinebridge Investments LLC | 9,285 | $5.22M | 0.04% | −9,186−49.7% | Reduced |
| Louisiana State Employees Retirement System | 9,300 | $5.23M | 0.09% | −100−1.1% | Reduced |
| Shelton Capital Management | 9,322 | $5.24M | 0.11% | −218−2.3% | Reduced |
| Macquarie Group Ltd | 9,342 | $5.25M | 0.03% | −7,511−44.6% | Reduced |
| Mercer Global Advisors Inc | 9,386 | $5.27M | 0.01% | +2,040+27.8% | Added |
| Azzad Asset Management Inc | 9,401 | $5.28M | 0.53% | 00.0% | Unchanged |
| Brant Point Investment Management LLC | 9,431 | $5.30M | 1.46% | −453−4.6% | Reduced |
| Crystal Rock Capital Management | 9,525 | $5.35M | 3.18% | −355−3.6% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 9,700 | $5.45M | 0.04% | −900−8.5% | Reduced |
| Perkins Capital Management Inc | 9,700 | $5.45M | 5.11% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 9,654 | $5.50M | 0.01% | −16,040−62.4% | Reduced |
| Impax Asset Management Group plc | 9,789 | $5.50M | 0.04% | +1,143+13.2% | Added |
| Integrated Advisors Network LLC | 9,792 | $5.50M | 0.29% | +9,454+2,797.0% | Added |
| Crossmark Global Holdings, Inc. | 9,794 | $5.50M | 0.08% | +298+3.1% | Added |
| Howe & Rusling Inc | 9,815 | $5.52M | 0.36% | +172+1.8% | Added |
| Anderson Hoagland & Co | 9,897 | $5.56M | 0.48% | 00.0% | Unchanged |
| Algert Global LLC | 9,945 | $5.59M | 0.08% | +925+10.3% | Added |
| Atria Investments LLC | 10,043 | $5.64M | 0.06% | −750−6.9% | Reduced |
| Aptus Capital Advisors, LLC | 10,097 | $5.67M | 0.05% | −2,123−17.4% | Reduced |
| WSFS Capital Management, LLC | 10,268 | $5.77M | 0.28% | −68−0.7% | Reduced |
| Bridgewater Associates, LP | 10,314 | $5.80M | 0.03% | +4,156+67.5% | Added |
| Tandem Investment Advisors, Inc. | 10,376 | $5.83M | 0.29% | −1,009−8.9% | Reduced |
| Pittenger & Anderson Inc | 10,402 | $5.84M | 0.23% | −89−0.8% | Reduced |
| Fideuram Asset Management (Ireland) dac | 9,310 | $5.92M | 0.76% | +8,303+824.5% | Added |
| Blue Zone Wealth Advisors, LLC | 10,617 | $5.97M | 1.21% | −1,050−9.0% | Reduced |
| SG Americas Securities, LLC | 10,631 | $5.97M | 0.01% | −32,794−75.5% | Reduced |
| Boston Trust Walden Corp | 10,645 | $5.98M | 0.05% | +10,645 | New |
| Vident Advisory, LLC | 10,677 | $6.00M | 0.05% | +7,466+232.5% | Added |
| Yousif Capital Management, LLC | 10,749 | $6.04M | 0.07% | −104−1.0% | Reduced |
| Janus Henderson Group PLC | 10,790 | $6.06M | 0.00% | −1,749−13.9% | Reduced |
| Ethic Inc. | 10,942 | $6.15M | 0.10% | −957−8.0% | Reduced |
| British Columbia Investment Management Corp | 11,006 | $6.18M | 0.04% | −3,168−22.4% | Reduced |
| Wendell David Associates Inc | 11,068 | $6.22M | 0.68% | −1,245−10.1% | Reduced |
| Bank of Nova Scotia | 11,124 | $6.25M | 0.01% | −1,383−11.1% | Reduced |
| Long Road Investment Counsel, LLC | 11,307 | $6.35M | 2.49% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 11,339 | $6.37M | 0.05% | +10,966+2,939.9% | Added |
| Elo Mutual Pension Insurance Co | 11,572 | $6.50M | 0.11% | −92−0.8% | Reduced |
| WoodTrust Financial Corp | 11,691 | $6.57M | 0.85% | −457−3.8% | Reduced |
| Advisors Capital Management, LLC | 11,870 | $6.67M | 0.08% | +4,233+55.4% | Added |
| New York Life Investment Management LLC | 11,877 | $6.67M | 0.06% | +287+2.5% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 11,950 | $6.71M | 0.05% | +172+1.5% | Added |
| Omers Administration Corp | 12,011 | $6.75M | 0.04% | +5,628+88.2% | Added |
| Haven Capital Group, Inc. | 12,137 | $6.82M | 6.33% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 12,192 | $6.85M | 0.06% | +24+0.2% | Added |
| STRS Ohio | 12,206 | $6.86M | 0.03% | −20.0% | Reduced |
| Janney Montgomery Scott LLC | 12,422 | $6.98M | 0.02% | +211+1.7% | Added |
| Northstar Asset Management Inc | 12,694 | $7.13M | 2.19% | −3,591−22.1% | Reduced |
| Kornitzer Capital Management Inc | 12,719 | $7.15M | 0.15% | −4,025−24.0% | Reduced |
| Public Sector Pension Investment Board | 12,915 | $7.26M | 0.02% | +2,485+23.8% | Added |
| Utah Retirement Systems | 12,948 | $7.28M | 0.07% | −371−2.8% | Reduced |
| Elyxium Wealth, LLC | 12,971 | $7.29M | 2.34% | −5,406,536−99.8% | Reduced |
| Moran Wealth Management, LLC | 13,128 | $7.38M | 0.23% | +585+4.7% | Added |
| Capitolis Liquid Global Markets LLC | 13,147 | $7.39M | 0.05% | +13,147 | New |
| Middleton & Co Inc | 13,156 | $7.39M | 0.84% | +21+0.2% | Added |
| Silvant Capital Management LLC | 13,248 | $7.44M | 0.26% | +213+1.6% | Added |
| Capital International Inc | 13,507 | $7.59M | 0.06% | +13,507 | New |
| Lazard Asset Management LLC | 13,539 | $7.61M | 0.01% | −857−6.0% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 13,580 | $7.63M | 0.07% | −490−3.5% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 13,665 | $7.68M | 0.15% | +8,181+149.2% | Added |
| Commonwealth Equity Services, LLC | 13,808 | $7.76M | 0.01% | +87+0.6% | Added |
| Susquehanna International Group, LLP | 14,061 | $7.90M | 0.01% | −6,003−29.9% | Reduced |
| Cardinal Capital Management | 14,107 | $7.93M | 1.02% | −9−0.1% | Reduced |
| Great Diamond Partners, LLC | 14,346 | $8.06M | 1.55% | −25−0.2% | Reduced |