Idexx LaboratoriesIDXX
13F holders, Q2 2026 (June 30)1,306holders −12
101new positions
104sold out
10famous investors
$526.66avg. 13F price*
At the end of Q2 2026, 1,306 institutions reported holding Idexx Laboratories Inc. (IDXX) in their 13F filings, down 12 from Q1 2026. 101 opened new positions and 104 sold out. The largest holders were BlackRock, Inc. ($4.3B), Vanguard Capital Management LLC ($2.7B) and Vanguard Portfolio Management LLC ($2.1B). 10 famous investors held it, including Terry Smith (3.9% of Fundsmith's portfolio), Ron Baron (1.6% of Baron Capital (BAMCO)'s portfolio) and Steve Cohen (0.2% of Point72 Asset Management's portfolio).
- Company
- Idexx Laboratories Inc.
- Sector
- Health Care
- CUSIP
- 45168D104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 101 | $534.8M |
| Exits | 104 | $391.4M |
All 13F filers, Q1 2026 → Q2 2026: 5,637,757 shares bought and 5,058,854 shares sold, net +578,903 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,306 holders
| BlackRock, Inc. | 0.06% | Reduce -2.3% | 8,170,178 | $4.3B |
| Vanguard Capital Management LLC | 0.06% | Reduce -0.6% | 5,152,213 | $2.7B |
| Vanguard Portfolio Management LLC | 0.09% | Reduce -0.4% | 3,896,521 | $2.1B |
| State Street Corp. | 0.06% | Add +2.0% | 3,748,660 | $2.0B |
| Invesco Ltd. | 0.15% | Add +7.8% | 3,611,416 | $1.9B |
| Geode Capital Management, LLC | 0.07% | Reduce -3.7% | 2,562,886 | $1.3B |
| Baron Capital (BAMCO) | 1.56% | Add +21.0% | 1,976,778 | $1.0B |
| Morgan Stanley | 0.04% | Add +3.0% | 1,356,103 | $713.9M |
| Bank of New York Mellon Corp | 0.10% | Reduce -20.7% | 1,193,343 | $628.2M |
| Arrowstreet Capital, Limited Partnership | 0.25% | Add +27.2% | 1,067,078 | $561.8M |
| Fundsmith | 3.93% | Reduce -30.4% | 1,019,887 | $536.9M |
| Blair William & Co. | 1.26% | Reduce -2.9% | 918,556 | $483.6M |
| Northern Trust Corp. | 0.06% | Add +0.7% | 918,137 | $483.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.09% | Add +4.5% | 911,489 | $479.8M |
| FMR LLC | 0.02% | Add +190.7% | 822,643 | $433.1M |
| American Century Companies Inc. | 0.19% | Add +34.7% | 808,358 | $425.6M |
| Capital Research Global Investors | 0.06% | Add +1.0% | 789,111 | $415.5M |
| JPMorgan Chase & Co. | 0.02% | Reduce -3.1% | 755,791 | $405.1M |
| Principal Financial Group Inc. | 0.19% | Reduce -15.7% | 743,246 | $391.3M |
| Goldman Sachs Group Inc. | 0.04% | Add +3.0% | 738,708 | $388.9M |
| Wellington Management Group LLP | 0.07% | Reduce -1.2% | 726,695 | $382.6M |
| Charles Schwab Investment Management Inc. | 0.05% | Add +6.6% | 650,429 | $342.4M |
| Legal & General Group Plc | 0.07% | Reduce -5.2% | 617,197 | $324.9M |
| Dimensional Fund Advisors LP | 0.06% | Add +6.2% | 608,902 | $320.6M |
| Franklin Resources Inc. | 0.07% | Reduce -13.1% | 575,784 | $303.1M |
| Amundi | 0.07% | Reduce -6.7% | 569,725 | $299.9M |
| Polen Capital Management LLC | 2.41% | Reduce -23.5% | 532,384 | $280.3M |
| AustralianSuper Pty Ltd | 1.18% | Add +17.1% | 518,860 | $273.1M |
| Nuveen, LLC | 0.06% | Add +8.7% | 484,519 | $255.1M |
| Bank of America Corp. | 0.02% | Reduce -2.3% | 476,998 | $251.1M |
| T. Rowe Price Associates Inc. | 0.02% | Reduce -28.2% | 458,318 | $241.3M |
| Vanguard Fiduciary Trust Co. | 0.05% | Reduce -1.9% | 451,663 | $237.8M |
| Nomura Asset Management International Inc. | 0.33% | Add +5.5% | 421,519 | $221.9M |
| Capital Counsel LLC | 8.62% | Reduce -0.3% | 419,151 | $220.7M |
| Alyeska Investment Group, L.P. | 0.54% | Add +97.3% | 401,082 | $211.1M |
| Clearbridge Investments, LLC | 0.17% | Add +23.0% | 379,502 | $199.8M |
| Deutsche Bank AG | 0.06% | Reduce -2.8% | 377,951 | $199.0M |
| Montrusco Bolton Investments Inc. | 3.04% | Add +9.0% | 372,788 | $196.3M |
| UBS Group AG | 0.03% | Add +19.5% | 364,663 | $192.0M |
| Norges Bank | 0.02% | — | 353,944 | $186.3M |
| Baillie Gifford & Co. | 0.17% | New | 353,797 | $186.3M |
| Neuberger Berman Group LLC | 0.12% | Add +1.0% | 353,322 | $186.0M |
| CIBC Bancorp USA Inc. | 0.23% | Reduce -5.6% | 346,891 | $183.0M |
| Massachusetts Financial Services Co. | 0.06% | New | 336,986 | $179.7M |
| Fundsmith Investment Services LTD. | 3.81% | Reduce -32.1% | 327,058 | $172.2M |
| Squarepoint Ops LLC | 0.33% | Add +214.2% | 315,164 | $165.9M |
| William Blair Investment Management, LLC | 0.47% | Reduce -15.2% | 298,154 | $157.0M |
| Bessemer Group Inc. | 0.21% | Reduce -9.5% | 288,814 | $152.0M |
| Royal Bank of Canada | 0.02% | Reduce -30.0% | 274,340 | $144.4M |
| Point72 Asset Management | 0.22% | Add +103.3% | 262,905 | $138.4M |
| Raymond James Financial Inc. | 0.04% | Reduce -3.7% | 262,791 | $138.3M |
| Comgest Global Investors S.A.S. | 3.04% | Add +19.1% | 262,562 | $138.2M |
| Williams Jones Wealth Management, LLC. | 1.55% | Reduce -0.8% | 261,303 | $137.6M |
| Pictet Asset Management Holding SA | 0.12% | Reduce -15.8% | 242,507 | $127.7M |
| Russell Investments Group, Ltd. | 0.11% | Add +14.4% | 230,683 | $121.8M |
| Swiss National Bank | 0.06% | Reduce -4.4% | 224,020 | $117.9M |
| Liontrust Investment Partners LLP | 1.66% | Add +21.4% | 215,198 | $113.3M |
| TD Asset Management Inc | 0.10% | Reduce -10.6% | 211,467 | $111.3M |
| Wells Fargo & Company | 0.02% | Add +0.1% | 209,092 | $110.1M |
| First Trust Advisors LP | 0.06% | Reduce -13.6% | 202,754 | $106.7M |
| Schroder Investment Management Group | 0.08% | Add +5.8% | 198,974 | $106.6M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.06% | Add +5.3% | 199,070 | $104.8M |
| Sumitomo Mitsui Trust Group, Inc. | 0.06% | Reduce -0.8% | 196,296 | $103.3M |
| Vontobel Holding Ltd. | 0.34% | Add +3580.6% | 191,908 | $101.0M |
| Congress Asset Management Co. | 0.62% | Add +14.1% | 190,193 | $100.1M |
| Victory Capital Management Inc. | 0.06% | Add +3.0% | 188,796 | $99.4M |
| HSBC Holdings PLC | 0.05% | Add +11.9% | 186,032 | $97.8M |
| Assenagon Asset Management S.A. | 0.13% | Add +113.5% | 183,233 | $96.5M |
| Caisse de depot et placement du Quebec | 0.13% | Reduce -32.1% | 178,532 | $94.0M |
| Holocene Advisors, LP | 0.21% | Add +18.8% | 175,568 | $92.4M |
| Robeco Institutional Asset Management B.V. | 0.11% | Reduce -9.2% | 172,393 | $90.8M |
| Vanguard Global Advisers, LLC | 0.04% | Reduce -2.8% | 170,040 | $89.5M |
| Rhumbline Advisers | 0.07% | Reduce -2.6% | 169,208 | $89.1M |
| Epoch Investment Partners, Inc. | 0.51% | Reduce -3.3% | 168,822 | $88.9M |
| Welch & Forbes LLC | 1.07% | Reduce -0.3% | 167,666 | $88.3M |
| Citigroup Inc. | 0.04% | Add +37.8% | 165,689 | $87.2M |
| Quantinno Capital Management LP | 0.10% | Add +64.6% | 164,289 | $86.5M |
| TimesSquare Capital Management, LLC | 1.27% | Reduce -0.2% | 163,457 | $86.1M |
| American Capital Management Inc. | 3.83% | Reduce -2.4% | 162,110 | $85.3M |
| California Public Employees Retirement System | 0.05% | Add +1.5% | 158,871 | $83.6M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.06% | Add +11.3% | 155,306 | $81.8M |
| Federated Hermes, Inc. | 0.12% | Reduce -0.9% | 155,264 | $81.7M |
| Envestnet Asset Management Inc. | 0.02% | Reduce -16.3% | 153,244 | $80.7M |
| Barclays PLC | 0.02% | Reduce -20.7% | 148,839 | $78.4M |
| Qube Research & Technologies Ltd | 0.09% | Add +73.3% | 148,395 | $78.1M |
| Allianz Asset Management GmbH | 0.07% | Reduce -30.0% | 145,168 | $76.4M |
| BNP Paribas Financial Markets | 0.04% | Add +1.8% | 141,180 | $74.3M |
| Westfield Capital Management Co. LP | 0.24% | Add +5.3% | 139,925 | $73.7M |
| Life Cycle Investment Partners Ltd | 0.33% | Add +22.7% | 134,346 | $70.7M |
| Rathbones Group PLC | 0.26% | Add +9.9% | 133,541 | $70.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.07% | Add +16.8% | 132,512 | $69.8M |
| National Pension Service | 0.04% | Add +5.6% | 129,305 | $68.1M |
| Bank of Montreal | 0.02% | Add +5.0% | 124,073 | $65.3M |
| Trexquant Investment LP | 0.40% | New | 123,380 | $65.0M |
| Bank Julius Baer & Co. Ltd, Zurich | 0.17% | Add +1.1% | 122,801 | $64.9M |
| Canada Pension Plan Investment Board | 0.04% | Add +48.5% | 120,895 | $63.6M |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 0.60% | Reduce -4.2% | 117,195 | $61.7M |
| California State Teachers Retirement System | 0.06% | Reduce -4.6% | 116,995 | $61.6M |
| KBC Group NV | 0.13% | Reduce -34.2% | 113,614 | $59.8M |
| Corient Private Wealth LP | 0.08% | Reduce -8.6% | 111,488 | $58.7M |
"% of holder's portfolio" is IDXX's weight in each manager's 13F, not the share of Idexx Laboratories Inc. the manager owns.