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 |
|---|---|---|---|---|---|
| LVW Advisors, LLC | 403 | $257.5K | 0.03% | +403 | New |
| HTG Investment Advisors, Inc. | 404 | $258.1K | 0.09% | 00.0% | Unchanged |
| Potomac Fund Management Inc | 404 | $258.1K | 0.01% | +404 | New |
| Fukoku Mutual Life Insurance Co | 405 | $258.8K | 0.02% | 00.0% | Unchanged |
| Trifecta Capital Advisors, LLC | 405 | $258.8K | 0.04% | 00.0% | Unchanged |
| Rehmann Capital Advisory Group | 406 | $259.4K | 0.01% | 00.0% | Unchanged |
| RIA Advisory Group LLC | 406 | $259.4K | 0.07% | +1+0.2% | Added |
| Rockland Trust Co | 407 | $260.0K | 0.01% | +7+1.8% | Added |
| Institute for Wealth Management, LLC. | 408 | $260.4K | 0.03% | 00.0% | Unchanged |
| WealthTrust Axiom LLC | 409 | $261.3K | 0.07% | 00.0% | Unchanged |
| Meiji Yasuda Life Insurance Co | 409 | $261.3K | 0.01% | +409 | New |
| Heritage Financial Services, LLC | 409 | $261.3K | 0.02% | −2−0.5% | Reduced |
| Summit Wealth Group LLC | 4,351 | $262.3K | 0.04% | +4,351 | New |
| Main Street Research LLC | 411 | $262.6K | 0.01% | +411 | New |
| Ofi Invest Asset Management | 492 | $267.5K | 0.01% | +246+100.0% | Added |
| Creekmur Asset Management LLC | 421 | $269.0K | 0.04% | −259−38.1% | Reduced |
| Madrona Financial Services, LLC | 421 | $269.0K | 0.06% | +4+1.0% | Added |
| Clarius Group, LLC | 422 | $269.6K | 0.02% | −243−36.5% | Reduced |
| Arlington Capital Management, Inc. | 422 | $269.6K | 0.17% | +422 | New |
| Seven Mile Advisory | 423 | $270.3K | 0.04% | +423 | New |
| Dorsey & Whitney Trust CO LLC | 425 | $271.3K | 0.01% | −24−5.3% | Reduced |
| Moors & Cabot, Inc. | 425 | $271.5K | 0.01% | 00.0% | Unchanged |
| Valley Brook Capital Group | 425 | $271.5K | 0.18% | 00.0% | Unchanged |
| Valeo Financial Advisors, LLC | 429 | $274.1K | 0.01% | +9+2.1% | Added |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 430 | $274.7K | 0.07% | +35+8.9% | Added |
| St Germain D J Co Inc | 432 | $276.0K | 0.01% | −41−8.7% | Reduced |
| Claret Asset Management Corp | 433 | $277.0K | 0.03% | −6−1.4% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 434 | $277.3K | 0.00% | 00.0% | Unchanged |
| Ingalls & Snyder LLC | 435 | $278.0K | 0.01% | 00.0% | Unchanged |
| Integrated Investment Consultants, LLC | 438 | $279.8K | 0.05% | 00.0% | Unchanged |
| Twin Focus Capital Partners, LLC | 440 | $281.1K | 0.04% | 00.0% | Unchanged |
| Premier Path Wealth Partners, LLC | 440 | $281.1K | 0.04% | +43+10.8% | Added |
| Turtle Creek Wealth Advisors, LLC | 442 | $282.4K | 0.03% | +442 | New |
| Samalin Investment Counsel, LLC | 444 | $283.4K | 0.10% | +3+0.7% | Added |
| Catalyst Financial Partners LLC | 445 | $284.3K | 0.03% | +10+2.3% | Added |
| Camden National Bank | 447 | $285.6K | 0.04% | 00.0% | Unchanged |
| Meiji Yasuda Asset Management Co Ltd. | 449 | $286.9K | 0.01% | −35−7.2% | Reduced |
| Montis Financial, LLC | 449 | $286.9K | 0.07% | +449 | New |
| Congress Park Capital LLC | 450 | $287.5K | 0.09% | 00.0% | Unchanged |
| Cornerstone Wealth Management, LLC | 452 | $288.8K | 0.02% | 00.0% | Unchanged |
| Sheets Smith Wealth Management | 455 | $290.7K | 0.03% | 00.0% | Unchanged |
| Strategic Blueprint, LLC | 455 | $290.7K | 0.01% | 00.0% | Unchanged |
| Harris Associates L PSuperinvestorHarris Associates (Oakmark) | 455 | $290.7K | 0.00% | +455 | New |
| Essential Partners LLC | 457 | $292.0K | 0.10% | +6+1.3% | Added |
| Csenge Advisory Group | 459 | $293.5K | 0.01% | −311−40.4% | Reduced |
| Hall Laurie J Trustee | 460 | $293.9K | 0.10% | −50−9.8% | Reduced |
| Gen-Wealth Partners Inc | 461 | $294.5K | 0.10% | −97−17.4% | Reduced |
| Lombard Odier Asset Management (USA) Corp | 463 | $295.8K | 0.07% | +463 | New |
| 180 Wealth Advisors, LLC | 465 | $296.8K | 0.04% | −30−6.1% | Reduced |
| CMC Financial Group | 469 | $299.6K | 0.55% | +469 | New |
| Fullcircle Wealth LLC | 415 | $299.7K | 0.11% | 00.0% | Unchanged |
| Modern Wealth Management, LLC | 470 | $300.3K | 0.01% | +24+5.4% | Added |
| Gabelli Funds LLC | 475 | $303.5K | 0.00% | −25−5.0% | Reduced |
| YHB Investment Advisors, Inc. | 475 | $303.5K | 0.02% | 00.0% | Unchanged |
| Grunden Financial Advisory, Inc. | 475 | $303.5K | 0.12% | 00.0% | Unchanged |
| Oarsman Capital, Inc. | 475 | $303.5K | 0.04% | +3+0.6% | Added |
| Integrated Advisors Network LLC | 476 | $304.1K | 0.01% | +96+25.3% | Added |
| Mutual Advisors, LLC | 477 | $304.6K | 0.01% | +46+10.7% | Added |
| Simplify Asset Management Inc. | 480 | $306.7K | 0.01% | +480 | New |
| Simon Quick Advisors, LLC | 481 | $307.3K | 0.01% | −141−22.7% | Reduced |
| Rossby Financial, LCC | 496 | $307.6K | 0.10% | −6−1.2% | Reduced |
| Plum Street Advisors, LLC | 482 | $307.9K | 0.12% | 00.0% | Unchanged |
| Marietta Investment Partners LLC | 485 | $309.9K | 0.06% | −21−4.2% | Reduced |
| World Equity Group, Inc. | 487 | $311.1K | 0.07% | +487 | New |
| Bryn Mawr Trust Co | 490 | $313.1K | 0.01% | −1,581−76.3% | Reduced |
| Eagle Global Advisors LLC | 490 | $313.1K | 0.01% | 00.0% | Unchanged |
| Caisse des Depots Et Consignations | 491 | $313.7K | 0.01% | −712−59.2% | Reduced |
| Retireful, LLC | 491 | $313.7K | 0.30% | −46−8.6% | Reduced |
| Capital Advisors Inc | 492 | $314.3K | 0.01% | +2+0.4% | Added |
| CWA Asset Management Group, LLC | 492 | $314.3K | 0.01% | +31+6.7% | Added |
| Acima Private Wealth, LLC | 493 | $315.0K | 0.10% | 00.0% | Unchanged |
| Claro Advisors LLC | 494 | $315.6K | 0.05% | 00.0% | Unchanged |
| Arete Wealth Advisors, LLC | 492 | $316.0K | 0.02% | −13−2.6% | Reduced |
| Cacti Asset Management LLC | 500 | $316.1K | 0.02% | 00.0% | Unchanged |
| LGT Fund Management Co Ltd. | 510 | $316.3K | 0.03% | −40−7.3% | Reduced |
| Andrew Hill Investment Advisors, Inc. | 496 | $317.4K | 0.25% | −3−0.6% | Reduced |
| Gerber Kawasaki Wealth & Investment Management | 497 | $317.5K | 0.01% | +26+5.5% | Added |
| S&CO Inc | 500 | $319.0K | 0.02% | 00.0% | Unchanged |
| Great Valley Advisor Group, Inc. | 500 | $319.1K | 0.01% | +10+2.0% | Added |
| Marshall Wace, LLP | 500 | $319.4K | 0.00% | −19,500−97.5% | Reduced |
| Wealth Quarterback LLC | 500 | $319.4K | 0.12% | 00.0% | Unchanged |
| Catalyst Funds Management Pty Ltd | 500 | $319.4K | 0.05% | 00.0% | Unchanged |
| Castleview Partners, LLC | 501 | $320.1K | 0.17% | 00.0% | Unchanged |
| Strengthening Families & Communities, LLC | 502 | $320.7K | 0.07% | 00.0% | Unchanged |
| Patton Fund Management, Inc. | 502 | $320.7K | 0.06% | 00.0% | Unchanged |
| Net Worth Advisory Group | 504 | $322.0K | 0.09% | −266−34.5% | Reduced |
| Counterpoint Mutual Funds LLC | 506 | $323.3K | 0.03% | +506 | New |
| Bridgewater Advisors Inc. | 455 | $324.8K | 0.02% | +20+4.6% | Added |
| Pinnacle Wealth Planning Services, Inc. | 509 | $325.2K | 0.04% | 00.0% | Unchanged |
| TownSquare Capital, LLC | 514 | $328.4K | 0.05% | −1,644−76.2% | Reduced |
| Northeast Investment Management | 519 | $331.6K | 0.01% | −14−2.6% | Reduced |
| Symmetry Partners, LLC | 520 | $332.3K | 0.04% | +24+4.8% | Added |
| Dynamic Advisor Solutions LLC | 523 | $334.1K | 0.01% | +21+4.2% | Added |
| Mount Yale Investment Advisors, LLC | 524 | $334.8K | 0.02% | +457+682.1% | Added |
| Moss Adams Wealth Advisors LLC | 528 | $337.3K | 0.03% | +17+3.3% | Added |
| Maple Capital Management, Inc. | 529 | $338.0K | 0.02% | −39−6.9% | Reduced |
| Mayflower Financial Advisors, LLC | 531 | $339.3K | 0.04% | +2+0.4% | Added |
| Ipswich Investment Management Co., Inc. | 535 | $341.8K | 0.08% | 00.0% | Unchanged |
| Pembroke Management, LTD | 536 | $342.4K | 0.03% | +90+20.2% | Added |
| Mesirow Financial Investment Management, Inc. | 538 | $343.7K | 0.01% | +3+0.6% | Added |