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 |
|---|---|---|---|---|---|
| Roundview Capital LLC | 437 | $245.5K | 0.02% | +2+0.5% | Added |
| Resonant Capital Advisors, LLC | 436 | $245.0K | 0.01% | +436 | New |
| Integrated Investment Consultants, LLC | 435 | $244.4K | 0.05% | +6+1.4% | Added |
| Ingalls & Snyder LLC | 435 | $244.0K | 0.01% | 00.0% | Unchanged |
| Fuller & Thaler Asset Management, Inc. | 434 | $243.9K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 432 | $242.7K | 0.04% | +432 | New |
| Samalin Investment Counsel, LLC | 431 | $242.0K | 0.09% | −7−1.6% | Reduced |
| L2 Asset Management, LLC | 427 | $239.9K | 0.02% | +28+7.0% | Added |
| RIA Advisory Group LLC | 426 | $239.4K | 0.06% | +21+5.2% | Added |
| Rockland Trust Co | 425 | $238.8K | 0.01% | 00.0% | Unchanged |
| Valley Brook Capital Group | 425 | $238.8K | 0.16% | 00.0% | Unchanged |
| McAdam, LLC | 422 | $236.8K | 0.01% | +10+2.4% | Added |
| Castleview Partners, LLC | 420 | $236.0K | 0.12% | −85−16.8% | Reduced |
| LVW Advisors, LLC | 419 | $235.4K | 0.02% | −20−4.6% | Reduced |
| Capital Performance Advisors LLP | 416 | $233.7K | 0.02% | +46+12.4% | Added |
| Insigneo Advisory Services, LLC | 415 | $233.2K | 0.02% | −171−29.2% | Reduced |
| Sovereign Financial Group, Inc. | 413 | $232.1K | 0.04% | +5+1.2% | Added |
| Mesirow Financial Investment Management, Inc. | 413 | $232.1K | 0.00% | −29−6.6% | Reduced |
| Massmutual Trust Co FSB | 411 | $230.9K | 0.01% | 00.0% | Unchanged |
| Keel Point, LLC | 410 | $230.4K | 0.02% | −218−34.7% | Reduced |
| WealthTrust Axiom LLC | 409 | $229.8K | 0.06% | 00.0% | Unchanged |
| Institute for Wealth Management, LLC. | 409 | $229.6K | 0.02% | 00.0% | Unchanged |
| Stevens Capital Management LP | 406 | $228.0K | 0.04% | −865−68.1% | Reduced |
| Clark Capital Management Group, Inc. | 405 | $227.6K | 0.00% | +34+9.2% | Added |
| HTG Investment Advisors, Inc. | 404 | $227.0K | 0.06% | 00.0% | Unchanged |
| Genesis Wealth Advisors, LLC | 400 | $224.8K | 0.15% | 00.0% | Unchanged |
| Westmount Partners, LLC | 400 | $224.8K | 0.06% | 00.0% | Unchanged |
| Stance Capital LLC | 400 | $224.8K | 0.11% | 00.0% | Unchanged |
| Livforsakringsbolaget Skandia, Omsesidigt | 400 | $224.6K | 0.01% | 00.0% | Unchanged |
| TownSquare Capital, LLC | 398 | $223.6K | 0.05% | −6−1.5% | Reduced |
| Fukoku Mutual Life Insurance Co | 395 | $221.9K | 0.01% | 00.0% | Unchanged |
| Jacobi Capital Management LLC | 394 | $221.4K | 0.01% | +394 | New |
| Waterloo Capital, L.P. | 392 | $220.3K | 0.02% | +44+12.6% | Added |
| Sapient Capital LLC | 391 | $219.7K | 0.00% | +2+0.5% | Added |
| Coyle Financial Counsel LLC | 387 | $217.5K | 0.05% | +21+5.7% | Added |
| Lantz Financial LLC | 385 | $216.3K | 0.04% | −1−0.3% | Reduced |
| Bragg Financial Advisors, Inc | 384 | $215.8K | 0.01% | +2+0.5% | Added |
| KCM Investment Advisors LLC | 381 | $214.1K | 0.01% | +4+1.1% | Added |
| Harbor Investment Advisory, LLC | 380 | $213.5K | 0.02% | −8−2.1% | Reduced |
| Embree Financial Group | 377 | $211.8K | 0.02% | +377 | New |
| Legacy Wealth Asset Management, LLC | 376 | $211.3K | 0.05% | +376 | New |
| Advisory Advocates, LLC | 375 | $210.7K | 0.22% | −102−21.4% | Reduced |
| Connecticut Wealth Management, LLC | 374 | $210.1K | 0.01% | 00.0% | Unchanged |
| Conning Inc. | 372 | $209.0K | 0.01% | −41−9.9% | Reduced |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 371 | $208.5K | 0.07% | −59−13.7% | Reduced |
| Ponta Wealth Partners, LLC | 370 | $207.9K | 0.17% | +37+11.1% | Added |
| Keating Financial Advisory Services, Inc. | 367 | $206.2K | 0.03% | −8−2.1% | Reduced |
| HCR Wealth Advisors | 366 | $205.7K | 0.02% | +4+1.1% | Added |
| Lester Murray Antman dba SimplyRich | 364 | $204.0K | 0.05% | 00.0% | Unchanged |
| Harrell Investment Partners, LLC | 363 | $204.0K | 0.05% | 00.0% | Unchanged |
| Valeo Financial Advisors, LLC | 360 | $202.3K | 0.00% | −206−36.4% | Reduced |
| New World Advisors LLC | 359 | $201.7K | 0.04% | −7−1.9% | Reduced |
| Alexander Labrunerie & Co., Inc. | 358 | $201.2K | 0.08% | 00.0% | Unchanged |
| YANKCOM Partnership | 330 | $185.4K | 0.08% | −1−0.3% | Reduced |
| Close Asset Management Ltd | 313 | $176.0K | 0.00% | 00.0% | Unchanged |
| Cary Street Partners Financial LLC | 307 | $172.5K | 0.00% | +7+2.3% | Added |
| Rexford Capital Inc | 305 | $171.4K | 0.12% | 00.0% | Unchanged |
| Sachetta, LLC | 304 | $170.8K | 0.09% | +286+1,588.9% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 304 | $170.0K | 0.00% | 00.0% | Unchanged |
| Rossby Financial, LCC | 299 | $168.8K | 0.04% | −14−4.5% | Reduced |
| E Fund Management (Hong Kong) Co., Ltd. | 293 | $164.6K | 0.07% | +76+35.0% | Added |
| Heritage Wealth Advisors | 272 | $152.8K | 0.01% | +141+107.6% | Added |
| CVA Family Office, LLC | 271 | $152.3K | 0.02% | +33+13.9% | Added |
| Parkside Financial Bank & Trust | 270 | $151.7K | 0.01% | −3−1.1% | Reduced |
| Gen-Wealth Partners Inc | 258 | $145.0K | 0.05% | −97−27.3% | Reduced |
| Anchor Investment Management, LLC | 255 | $143.3K | 0.01% | 00.0% | Unchanged |
| Quent Capital, LLC | 252 | $141.6K | 0.01% | +5+2.0% | Added |
| Cromwell Holdings LLC | 246 | $138.2K | 0.08% | 00.0% | Unchanged |
| Smithfield Trust Co | 243 | $137.0K | 0.01% | 00.0% | Unchanged |
| Signature Equity Partners, LLC | 241 | $135.4K | 0.07% | +194+412.8% | Added |
| Kennebec Savings Bank | 239 | $134.3K | 0.12% | 00.0% | Unchanged |
| Cary Street Partner Investment Advisory LLC | 230 | $129.2K | 0.03% | +47+25.7% | Added |
| Capital Advisors, Ltd. LLC | 228 | $128.0K | 0.01% | 00.0% | Unchanged |
| Onefund, LLC | 221 | $124.8K | 0.08% | −13−5.6% | Reduced |
| SBI Securities Co., Ltd. | 220 | $123.6K | 0.00% | −7−3.1% | Reduced |
| Bartlett & Co. Wealth Management LLC | 212 | $119.4K | 0.00% | +1+0.5% | Added |
| Western Pacific Wealth Management, LP | 210 | $118.0K | 0.12% | −1−0.5% | Reduced |
| Wormser Freres Gestion | 205 | $117.7K | 0.08% | +151+279.6% | Added |
| Veritas Investment Partners (UK) Ltd. | 206 | $115.7K | 0.00% | 00.0% | Unchanged |
| Center for Financial Planning, Inc. | 205 | $115.2K | 0.01% | 00.0% | Unchanged |
| Alerus Financial NA | 200 | $112.4K | 0.01% | 00.0% | Unchanged |
| Steigerwald, Gordon & Koch Inc. | 200 | $112.4K | 0.01% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 199 | $111.8K | 0.05% | 00.0% | Unchanged |
| Zions Bancorporation, National Association | 197 | $110.7K | 0.01% | −204−50.9% | Reduced |
| Bayforest Capital Ltd | 187 | $105.1K | 0.12% | −12−6.0% | Reduced |
| Rothschild Investment LLC | 187 | $105.1K | 0.01% | −3−1.6% | Reduced |
| Munich Reinsurance Co Stock Corp in Munich | 184 | $103.4K | 0.00% | +184 | New |
| Dougherty Wealth Advisers LLC | 183 | $102.8K | 0.07% | 00.0% | Unchanged |
| Sava Infond d.o.o. | 180 | $101.1K | 0.01% | +180 | New |
| Westfuller Advisors, LLC | 179 | $100.6K | 0.04% | −71−28.4% | Reduced |
| St Germain D J Co Inc | 177 | $99.5K | 0.00% | −2−1.1% | Reduced |
| Spire Wealth Management | 174 | $97.8K | 0.00% | −1,943−91.8% | Reduced |
| Walleye Capital LLC | 170 | $95.5K | 0.00% | −13,261−98.7% | Reduced |
| Principia Wealth Advisory, LLC | 168 | $94.4K | 0.05% | +27+19.1% | Added |
| Wealth Enhancement Trust Services, Inc. | 165 | $92.7K | 0.01% | +5+3.1% | Added |
| TD Private Client Wealth LLC | 164 | $92.2K | 0.00% | −126−43.4% | Reduced |
| Trifecta Capital Advisors, LLC | 160 | $89.9K | 0.01% | −140−46.7% | Reduced |
| Private Trust Co NA | 160 | $89.9K | 0.01% | −37−18.8% | Reduced |
| Ronald Blue Trust, Inc. | 156 | $87.7K | 0.00% | +1+0.6% | Added |
| AXS Investments LLC | 155 | $87.1K | 0.04% | −48−23.6% | Reduced |