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 |
|---|---|---|---|---|---|
| Journey Strategic Wealth LLC | 540 | $345.0K | 0.01% | +65+13.7% | Added |
| Bayforest Capital Ltd | 538 | $343.7K | 0.16% | +306+131.9% | Added |
| Mesirow Financial Investment Management, Inc. | 538 | $343.7K | 0.01% | +3+0.6% | Added |
| Pembroke Management, LTD | 536 | $342.4K | 0.03% | +90+20.2% | Added |
| Ipswich Investment Management Co., Inc. | 535 | $341.8K | 0.08% | 00.0% | Unchanged |
| Mayflower Financial Advisors, LLC | 531 | $339.3K | 0.04% | +2+0.4% | Added |
| Maple Capital Management, Inc. | 529 | $338.0K | 0.02% | −39−6.9% | Reduced |
| Moss Adams Wealth Advisors LLC | 528 | $337.3K | 0.03% | +17+3.3% | Added |
| Mount Yale Investment Advisors, LLC | 524 | $334.8K | 0.02% | +457+682.1% | Added |
| Dynamic Advisor Solutions LLC | 523 | $334.1K | 0.01% | +21+4.2% | Added |
| Symmetry Partners, LLC | 520 | $332.3K | 0.04% | +24+4.8% | Added |
| Northeast Investment Management | 519 | $331.6K | 0.01% | −14−2.6% | Reduced |
| TownSquare Capital, LLC | 514 | $328.4K | 0.05% | −1,644−76.2% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 509 | $325.2K | 0.04% | 00.0% | Unchanged |
| Bridgewater Advisors Inc. | 455 | $324.8K | 0.02% | +20+4.6% | Added |
| Counterpoint Mutual Funds LLC | 506 | $323.3K | 0.03% | +506 | New |
| Net Worth Advisory Group | 504 | $322.0K | 0.09% | −266−34.5% | Reduced |
| Patton Fund Management, Inc. | 502 | $320.7K | 0.06% | 00.0% | Unchanged |
| Strengthening Families & Communities, LLC | 502 | $320.7K | 0.07% | 00.0% | Unchanged |
| Castleview Partners, LLC | 501 | $320.1K | 0.17% | 00.0% | Unchanged |
| 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 |
| Great Valley Advisor Group, Inc. | 500 | $319.1K | 0.01% | +10+2.0% | Added |
| S&CO Inc | 500 | $319.0K | 0.02% | 00.0% | Unchanged |
| Gerber Kawasaki Wealth & Investment Management | 497 | $317.5K | 0.01% | +26+5.5% | Added |
| Andrew Hill Investment Advisors, Inc. | 496 | $317.4K | 0.25% | −3−0.6% | Reduced |
| LGT Fund Management Co Ltd. | 510 | $316.3K | 0.03% | −40−7.3% | Reduced |
| Cacti Asset Management LLC | 500 | $316.1K | 0.02% | 00.0% | Unchanged |
| Arete Wealth Advisors, LLC | 492 | $316.0K | 0.02% | −13−2.6% | Reduced |
| Claro Advisors LLC | 494 | $315.6K | 0.05% | 00.0% | Unchanged |
| Acima Private Wealth, LLC | 493 | $315.0K | 0.10% | 00.0% | Unchanged |
| 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 |
| 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 |
| 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 |
| World Equity Group, Inc. | 487 | $311.1K | 0.07% | +487 | New |
| Marietta Investment Partners LLC | 485 | $309.9K | 0.06% | −21−4.2% | Reduced |
| Plum Street Advisors, LLC | 482 | $307.9K | 0.12% | 00.0% | Unchanged |
| Rossby Financial, LCC | 496 | $307.6K | 0.10% | −6−1.2% | Reduced |
| Simon Quick Advisors, LLC | 481 | $307.3K | 0.01% | −141−22.7% | Reduced |
| Simplify Asset Management Inc. | 480 | $306.7K | 0.01% | +480 | New |
| Mutual Advisors, LLC | 477 | $304.6K | 0.01% | +46+10.7% | Added |
| Integrated Advisors Network LLC | 476 | $304.1K | 0.01% | +96+25.3% | 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 |
| Modern Wealth Management, LLC | 470 | $300.3K | 0.01% | +24+5.4% | Added |
| Fullcircle Wealth LLC | 415 | $299.7K | 0.11% | 00.0% | Unchanged |
| CMC Financial Group | 469 | $299.6K | 0.55% | +469 | New |
| 180 Wealth Advisors, LLC | 465 | $296.8K | 0.04% | −30−6.1% | Reduced |
| Lombard Odier Asset Management (USA) Corp | 463 | $295.8K | 0.07% | +463 | New |
| Gen-Wealth Partners Inc | 461 | $294.5K | 0.10% | −97−17.4% | Reduced |
| Hall Laurie J Trustee | 460 | $293.9K | 0.10% | −50−9.8% | Reduced |
| Csenge Advisory Group | 459 | $293.5K | 0.01% | −311−40.4% | Reduced |
| Essential Partners LLC | 457 | $292.0K | 0.10% | +6+1.3% | Added |
| 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 |
| Cornerstone Wealth Management, LLC | 452 | $288.8K | 0.02% | 00.0% | Unchanged |
| Congress Park Capital LLC | 450 | $287.5K | 0.09% | 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 |
| Camden National Bank | 447 | $285.6K | 0.04% | 00.0% | Unchanged |
| Catalyst Financial Partners LLC | 445 | $284.3K | 0.03% | +10+2.3% | Added |
| Samalin Investment Counsel, LLC | 444 | $283.4K | 0.10% | +3+0.7% | Added |
| Turtle Creek Wealth Advisors, LLC | 442 | $282.4K | 0.03% | +442 | New |
| 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 |
| Integrated Investment Consultants, LLC | 438 | $279.8K | 0.05% | 00.0% | Unchanged |
| Ingalls & Snyder LLC | 435 | $278.0K | 0.01% | 00.0% | Unchanged |
| Fuller & Thaler Asset Management, Inc. | 434 | $277.3K | 0.00% | 00.0% | Unchanged |
| Claret Asset Management Corp | 433 | $277.0K | 0.03% | −6−1.4% | Reduced |
| St Germain D J Co Inc | 432 | $276.0K | 0.01% | −41−8.7% | Reduced |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 430 | $274.7K | 0.07% | +35+8.9% | Added |
| Valeo Financial Advisors, LLC | 429 | $274.1K | 0.01% | +9+2.1% | Added |
| Moors & Cabot, Inc. | 425 | $271.5K | 0.01% | 00.0% | Unchanged |
| Valley Brook Capital Group | 425 | $271.5K | 0.18% | 00.0% | Unchanged |
| Dorsey & Whitney Trust CO LLC | 425 | $271.3K | 0.01% | −24−5.3% | Reduced |
| Seven Mile Advisory | 423 | $270.3K | 0.04% | +423 | New |
| Clarius Group, LLC | 422 | $269.6K | 0.02% | −243−36.5% | Reduced |
| Arlington Capital Management, Inc. | 422 | $269.6K | 0.17% | +422 | New |
| 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 |
| Ofi Invest Asset Management | 492 | $267.5K | 0.01% | +246+100.0% | Added |
| Main Street Research LLC | 411 | $262.6K | 0.01% | +411 | New |
| Summit Wealth Group LLC | 4,351 | $262.3K | 0.04% | +4,351 | New |
| Heritage Financial Services, LLC | 409 | $261.3K | 0.02% | −2−0.5% | Reduced |
| WealthTrust Axiom LLC | 409 | $261.3K | 0.07% | 00.0% | Unchanged |
| Meiji Yasuda Life Insurance Co | 409 | $261.3K | 0.01% | +409 | New |
| Institute for Wealth Management, LLC. | 408 | $260.4K | 0.03% | 00.0% | Unchanged |
| Rockland Trust Co | 407 | $260.0K | 0.01% | +7+1.8% | Added |
| 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 |
| Trifecta Capital Advisors, LLC | 405 | $258.8K | 0.04% | 00.0% | Unchanged |
| Fukoku Mutual Life Insurance Co | 405 | $258.8K | 0.02% | 00.0% | Unchanged |
| HTG Investment Advisors, Inc. | 404 | $258.1K | 0.09% | 00.0% | Unchanged |