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, Q2 2026
Institutional positions in IDEXX Laboratories Inc as of Jun 30, 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
- 1,306
- +9 vs. Q1 2026
- Shares held
- 74.2M
- +983.2K (+1.3%) vs. Q1 2026
- Total value
- $39.1B
- −$2.07B (−5.0%) vs. Q1 2026
- New holders
- 115
- 474 more added
- Sold out
- 106
- 511 more reduced
21 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Jensen Investment Management Inc | 105,709 | $55.6M | 1.35% | +102,139+2,861.0% | Added |
| National Bank of Canada | 107,043 | $56.4M | 0.05% | +37,154+53.2% | Added |
| Brown Advisory Inc | 108,229 | $57.0M | 0.09% | +180+0.2% | Added |
| TCW Group Inc | 108,951 | $57.4M | 0.39% | −9,800−8.3% | Reduced |
| Renaissance Technologies LLC | 109,784 | $57.8M | 0.08% | +61,280+126.3% | Added |
| Stephens Investment Management Group LLC | 110,154 | $58.0M | 0.62% | +8,057+7.9% | Added |
| CI Private Wealth, LLC | 111,488 | $58.7M | 0.08% | −10,518−8.6% | Reduced |
| KBC Group NV | 113,614 | $59.8M | 0.13% | −59,065−34.2% | Reduced |
| California State Teachers Retirement System | 116,995 | $61.6M | 0.06% | −5,659−4.6% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 117,195 | $61.7M | 0.60% | −5,109−4.2% | Reduced |
| Canada Pension Plan Investment Board | 120,895 | $63.6M | 0.04% | +39,497+48.5% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 122,801 | $64.9M | 0.17% | +1,286+1.1% | Added |
| Trexquant Investment LP | 123,380 | $65.0M | 0.40% | +123,380 | New |
| Bank of Montreal | 124,073 | $65.3M | 0.02% | +5,879+5.0% | Added |
| National Pension Service | 129,305 | $68.1M | 0.04% | +6,885+5.6% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 132,512 | $69.8M | 0.07% | +19,024+16.8% | Added |
| Rathbone Brothers plc | 133,541 | $70.3M | 0.26% | +12,030+9.9% | Added |
| Life Cycle Investment Partners Ltd | 134,346 | $70.7M | 0.33% | +24,868+22.7% | Added |
| Westfield Capital Management Co LP | 139,925 | $73.7M | 0.24% | +7,065+5.3% | Added |
| BNP Paribas Arbitrage, SA | 141,180 | $74.3M | 0.04% | +2,454+1.8% | Added |
| Allianz Asset Management GmbH | 145,168 | $76.4M | 0.07% | −62,235−30.0% | Reduced |
| Qube Research & Technologies Ltd | 148,395 | $78.1M | 0.09% | +62,745+73.3% | Added |
| Barclays PLC | 148,839 | $78.4M | 0.02% | −38,876−20.7% | Reduced |
| Envestnet Asset Management Inc | 153,244 | $80.7M | 0.02% | −29,853−16.3% | Reduced |
| Federated Hermes, Inc. | 155,264 | $81.7M | 0.12% | −1,411−0.9% | Reduced |
| Vanguard Asset Management, Ltd | 155,306 | $81.8M | 0.06% | +15,814+11.3% | Added |
| California Public Employees Retirement System | 158,871 | $83.6M | 0.05% | +2,346+1.5% | Added |
| American Capital Management Inc | 162,110 | $85.3M | 3.83% | −3,946−2.4% | Reduced |
| TimesSquare Capital Management, LLC | 163,457 | $86.1M | 1.27% | −306−0.2% | Reduced |
| Quantinno Capital Management LP | 164,289 | $86.5M | 0.10% | +64,495+64.6% | Added |
| Citigroup Inc | 165,689 | $87.2M | 0.04% | +45,406+37.7% | Added |
| Welch & Forbes LLC | 167,666 | $88.3M | 1.07% | −515−0.3% | Reduced |
| Epoch Investment Partners, Inc. | 168,822 | $88.9M | 0.51% | −5,780−3.3% | Reduced |
| Rhumbline Advisers | 169,208 | $89.1M | 0.07% | −4,523−2.6% | Reduced |
| Vanguard Global Advisers, LLC | 170,040 | $89.5M | 0.04% | −4,822−2.8% | Reduced |
| Robeco Institutional Asset Management B.V. | 172,393 | $90.8M | 0.11% | −17,367−9.2% | Reduced |
| Holocene Advisors, LP | 175,568 | $92.4M | 0.21% | +27,836+18.8% | Added |
| Caisse de Depot Et Placement du Quebec | 178,532 | $94.0M | 0.13% | −84,519−32.1% | Reduced |
| Assenagon Asset Management S.A. | 183,233 | $96.5M | 0.13% | +97,398+113.5% | Added |
| HSBC Holdings PLC | 186,032 | $97.8M | 0.05% | +19,781+11.9% | Added |
| Victory Capital Management Inc | 188,796 | $99.4M | 0.06% | +5,559+3.0% | Added |
| Congress Asset Management Co | 190,193 | $100.1M | 0.62% | +23,507+14.1% | Added |
| Vontobel Holding Ltd. | 191,908 | $101.0M | 0.34% | +186,694+3,580.6% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 196,296 | $103.3M | 0.06% | −1,575−0.8% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 199,070 | $104.8M | 0.06% | +10,050+5.3% | Added |
| Schroder Investment Management Group | 198,974 | $106.6M | 0.08% | +10,849+5.8% | Added |
| First Trust Advisors LP | 202,754 | $106.7M | 0.06% | −31,899−13.6% | Reduced |
| Wells Fargo & Company | 209,092 | $110.1M | 0.02% | +245+0.1% | Added |
| TD Asset Management Inc | 211,467 | $111.3M | 0.10% | −25,064−10.6% | Reduced |
| Liontrust Investment Partners LLP | 215,198 | $113.3M | 1.66% | +37,861+21.3% | Added |
| Swiss National Bank | 224,020 | $117.9M | 0.06% | −10,360−4.4% | Reduced |
| Russell Investments Group, Ltd. | 230,683 | $121.8M | 0.11% | +28,989+14.4% | Added |
| Pictet Asset Management Holding SA | 242,507 | $127.7M | 0.12% | −45,430−15.8% | Reduced |
| Williams Jones Wealth Management, LLC. | 261,303 | $137.6M | 1.55% | −2,210−0.8% | Reduced |
| Comgest Global Investors S.A.S. | 262,562 | $138.2M | 3.04% | +42,208+19.2% | Added |
| Raymond James Financial Inc | 262,791 | $138.3M | 0.04% | −10,164−3.7% | Reduced |
| Point72 Asset Management, L.P. | 262,905 | $138.4M | 0.21% | +133,621+103.4% | Added |
| Royal Bank of Canada | 274,340 | $144.4M | 0.02% | −117,364−30.0% | Reduced |
| Bessemer Group Inc | 288,814 | $152.0M | 0.21% | −30,451−9.5% | Reduced |
| William Blair Investment Management, LLC | 298,154 | $157.0M | 0.47% | −53,467−15.2% | Reduced |
| Squarepoint Ops LLC | 315,164 | $165.9M | 0.32% | +214,855+214.2% | Added |
| Fundsmith Investment Services Ltd. | 327,058 | $172.2M | 3.81% | −154,528−32.1% | Reduced |
| Massachusetts Financial Services Co | 336,986 | $179.7M | 0.06% | +336,986 | New |
| CIBC Bancorp USA Inc. | 346,891 | $183.0M | 0.23% | −20,611−5.6% | Reduced |
| Neuberger Berman Group LLC | 353,322 | $186.0M | 0.12% | +3,615+1.0% | Added |
| Baillie Gifford & Co | 353,797 | $186.3M | 0.17% | +353,797 | New |
| Norges Bank | 353,944 | $186.3M | 0.02% | +353,944 | New |
| UBS Group AG | 364,663 | $192.0M | 0.03% | +59,496+19.5% | Added |
| Montrusco Bolton Investments Inc. | 372,788 | $196.3M | 3.04% | +30,668+9.0% | Added |
| Deutsche Bank AG | 377,951 | $199.0M | 0.06% | −10,862−2.8% | Reduced |
| Clearbridge Investments, LLC | 379,502 | $199.8M | 0.17% | +71,025+23.0% | Added |
| Alyeska Investment Group, L.P. | 401,082 | $211.1M | 0.54% | +197,808+97.3% | Added |
| Capital Counsel LLC | 419,151 | $220.7M | 8.62% | −1,044−0.2% | Reduced |
| Nomura Asset Management International Inc. | 421,519 | $221.9M | 0.33% | +22,143+5.5% | Added |
| Vanguard Fiduciary Trust Co | 451,663 | $237.8M | 0.05% | −8,993−2.0% | Reduced |
| Price T Rowe Associates Inc | 458,318 | $241.3M | 0.02% | −179,745−28.2% | Reduced |
| Bank of America Corp | 476,998 | $251.1M | 0.02% | −11,019−2.3% | Reduced |
| Nuveen, LLC | 484,519 | $255.1M | 0.06% | +38,715+8.7% | Added |
| AustralianSuper Pty Ltd | 518,860 | $273.1M | 1.18% | +75,838+17.1% | Added |
| Polen Capital Management LLC | 532,384 | $280.3M | 2.41% | −163,427−23.5% | Reduced |
| Amundi | 569,725 | $299.9M | 0.07% | −41,054−6.7% | Reduced |
| Franklin Resources Inc | 575,784 | $303.1M | 0.07% | −86,849−13.1% | Reduced |
| Dimensional Fund Advisors LP | 608,902 | $320.6M | 0.06% | +35,570+6.2% | Added |
| Legal & General Group Plc | 617,197 | $324.9M | 0.07% | −33,606−5.2% | Reduced |
| Charles Schwab Investment Management Inc | 650,429 | $342.4M | 0.05% | +40,212+6.6% | Added |
| Wellington Management Group LLP | 726,695 | $382.6M | 0.07% | −8,780−1.2% | Reduced |
| Goldman Sachs Group Inc | 738,708 | $388.9M | 0.04% | +21,787+3.0% | Added |
| Principal Financial Group Inc | 743,246 | $391.3M | 0.19% | −137,943−15.7% | Reduced |
| JPMorgan Chase & Co | 755,791 | $405.1M | 0.02% | −24,091−3.1% | Reduced |
| Capital Research Global Investors | 789,111 | $415.5M | 0.06% | +7,766+1.0% | Added |
| American Century Companies Inc | 808,358 | $425.6M | 0.19% | +208,427+34.7% | Added |
| FMR LLC | 822,643 | $433.1M | 0.02% | +539,667+190.7% | Added |
| UBS Asset Management Americas Inc | 911,489 | $479.8M | 0.09% | +39,700+4.6% | Added |
| Northern Trust Corp | 918,137 | $483.3M | 0.06% | +6,244+0.7% | Added |
| Blair William & Co | 918,556 | $483.6M | 1.26% | −27,780−2.9% | Reduced |
| Fundsmith LLPSuperinvestorFundsmith | 1,019,887 | $536.9M | 3.93% | −445,899−30.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,067,078 | $561.8M | 0.25% | +228,239+27.2% | Added |
| Bank of New York Mellon Corp | 1,193,343 | $628.2M | 0.10% | −311,189−20.7% | Reduced |
| Morgan Stanley | 1,356,103 | $713.9M | 0.04% | +40,149+3.1% | Added |
| Bamco Inc | 1,976,778 | $1.04B | 1.56% | +343,411+21.0% | Added |