Idexx LaboratoriesIDXX
13F holders, Q2 2025 (June 30)1,234holders +90
183new positions
92sold out
9famous investors
$536.23avg. 13F price*
At the end of Q2 2025, 1,234 institutions reported holding Idexx Laboratories Inc. (IDXX) in their 13F filings, up 90 from Q1 2025. 183 opened new positions and 92 sold out. The largest holders were Vanguard Group Inc. ($5.3B), BlackRock, Inc. ($4.5B) and State Street Corp. ($1.9B). 9 famous investors held it, including Terry Smith (6.2% of Fundsmith's portfolio), Ron Baron (3.0% of Baron Capital (BAMCO)'s portfolio) and Joel Greenblatt (0.1% of Gotham 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 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 183 | $1.1B |
| Exits | 92 | $312.8M |
All 13F filers, Q1 2025 → Q2 2025: 6,418,194 shares bought and 5,983,456 shares sold, net +434,738 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,234 holders
| Vanguard Group Inc. | 0.09% | Add +0.2% | 9,875,985 | $5.3B |
| BlackRock, Inc. | 0.09% | Reduce -3.8% | 8,373,982 | $4.5B |
| State Street Corp. | 0.07% | Reduce -2.6% | 3,554,424 | $1.9B |
| Fundsmith | 6.15% | Reduce -0.3% | 2,639,289 | $1.4B |
| Geode Capital Management, LLC | 0.09% | Add +2.3% | 2,464,290 | $1.3B |
| Baron Capital (BAMCO) | 2.96% | Reduce -1.3% | 2,032,620 | $1.1B |
| Morgan Stanley | 0.06% | Add +0.3% | 1,663,326 | $892.1M |
| Bank of New York Mellon Corp | 0.15% | Add +156.2% | 1,451,390 | $778.4M |
| Polen Capital Management LLC | 1.97% | New | 1,195,425 | $641.2M |
| Invesco Ltd. | 0.11% | Reduce -0.7% | 1,158,481 | $621.3M |
| Principal Financial Group Inc. | 0.32% | Add +0.2% | 1,127,755 | $604.9M |
| Blair William & Co. | 1.61% | Reduce -0.9% | 1,080,505 | $579.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.12% | Reduce -0.6% | 1,070,100 | $573.9M |
| Northern Trust Corp. | 0.07% | Add +5.8% | 957,091 | $513.3M |
| American Century Companies Inc. | 0.25% | Reduce -1.7% | 853,161 | $457.6M |
| Fundsmith Investment Services LTD. | 6.13% | Reduce -1.1% | 844,616 | $453.0M |
| William Blair Investment Management, LLC | 0.98% | Add +7.5% | 685,088 | $367.4M |
| Capital Research Global Investors | 0.07% | Add +2.6% | 684,960 | $367.4M |
| Amundi | 0.13% | Reduce -6.6% | 675,672 | $366.7M |
| Legal & General Group Plc | 0.09% | Add +1.9% | 648,626 | $347.9M |
| Macquarie Group Ltd. | 0.40% | Reduce -8.2% | 601,644 | $322.7M |
| Franklin Resources Inc. | 0.09% | Add +6.9% | 592,649 | $317.9M |
| Goldman Sachs Group Inc. | 0.05% | Add +20.4% | 589,052 | $315.9M |
| Select Equity Group, L.P. | 1.31% | Add +23.7% | 573,713 | $307.7M |
| Generation Investment Management LLP | 1.93% | New | 567,322 | $304.3M |
| Dimensional Fund Advisors LP | 0.07% | Reduce -1.5% | 557,186 | $298.8M |
| Charles Schwab Investment Management Inc. | 0.05% | Add +0.8% | 556,562 | $298.5M |
| JPMorgan Chase & Co. | 0.02% | Add +22.7% | 543,582 | $291.6M |
| T. Rowe Price Associates Inc. | 0.03% | Reduce -73.0% | 536,101 | $287.5M |
| Bank of America Corp. | 0.02% | Reduce -10.2% | 494,154 | $265.0M |
| Nuveen, LLC | 0.07% | Add +7.9% | 462,003 | $247.8M |
| Capital Counsel LLC | 10.03% | Reduce -1.3% | 460,770 | $247.1M |
| Montrusco Bolton Investments Inc. | 2.49% | Add +50.3% | 429,409 | $224.2M |
| Norges Bank | 0.03% | Add +18.9% | 413,832 | $222.0M |
| Vontobel Holding Ltd. | 0.73% | Reduce -9.4% | 413,534 | $221.8M |
| Royal Bank of Canada | 0.04% | Add +20.2% | 408,252 | $219.0M |
| Bessemer Group Inc. | 0.33% | Add +12.3% | 381,828 | $204.8M |
| CIBC Private Wealth Group LLC | 0.36% | Add +261.9% | 374,745 | $201.0M |
| UBS Group AG | 0.04% | Reduce -0.9% | 373,011 | $200.1M |
| Neuberger Berman Group LLC | 0.14% | Reduce -15.4% | 350,987 | $188.2M |
| Pictet Asset Management Holding SA | 0.18% | Reduce -27.6% | 330,361 | $177.1M |
| TD Asset Management Inc | 0.15% | Add +12.2% | 329,511 | $176.7M |
| Deutsche Bank AG | 0.07% | Reduce -8.7% | 329,017 | $176.5M |
| Schroder Investment Management Group | 0.14% | Add +295.1% | 315,785 | $169.4M |
| Barclays PLC | 0.07% | Add +9.1% | 305,180 | $163.7M |
| Clearbridge Investments, LLC | 0.12% | Reduce -15.8% | 283,765 | $152.2M |
| Williams Jones Wealth Management, LLC. | 1.78% | Reduce -6.0% | 277,488 | $148.8M |
| FMR LLC | 0.01% | Add +6.3% | 269,882 | $144.7M |
| First Trust Advisors LP | 0.11% | Add +16.2% | 254,553 | $136.5M |
| Epoch Investment Partners, Inc. | 0.70% | Add +24.7% | 250,591 | $134.4M |
| Swiss National Bank | 0.08% | Add +6.2% | 245,300 | $131.6M |
| Comgest Global Investors S.A.S. | 2.23% | Reduce -0.5% | 244,109 | $130.9M |
| Flossbach Von Storch SE | 0.53% | Reduce -56.3% | 241,125 | $129.3M |
| Bank Julius Baer & Co. Ltd, Zurich | 0.37% | Reduce -1.5% | 233,263 | $125.1M |
| Envestnet Asset Management Inc. | 0.04% | Add +42.7% | 230,911 | $123.8M |
| HSBC Holdings PLC | 0.08% | Reduce -35.5% | 224,150 | $120.2M |
| AQR Capital Management | 0.10% | Add +27.0% | 223,319 | $118.7M |
| Ameriprise Financial Inc. | 0.03% | Add +61.1% | 215,845 | $115.8M |
| Seilern Investment Management Ltd | 7.51% | Reduce -20.2% | 212,176 | $113.8M |
| Raymond James Financial Inc. | 0.04% | Add +9.1% | 210,773 | $113.0M |
| Robeco Institutional Asset Management B.V. | 0.18% | Add +39.8% | 207,228 | $111.1M |
| Arrowstreet Capital, Limited Partnership | 0.08% | Add +8.0% | 206,137 | $110.6M |
| Sumitomo Mitsui Trust Group, Inc. | 0.07% | Add +1.3% | 201,918 | $108.3M |
| TimesSquare Capital Management, LLC | 1.56% | Add +1.8% | 201,276 | $108.0M |
| Champlain Investment Partners, LLC | 0.72% | Reduce -14.4% | 192,226 | $103.1M |
| American Capital Management Inc. | 4.20% | Reduce -14.7% | 189,000 | $101.4M |
| Wellington Management Group LLP | 0.02% | Reduce -14.3% | 188,173 | $100.9M |
| Victory Capital Management Inc. | 0.06% | Add +2.5% | 184,581 | $99.0M |
| Russell Investments Group, Ltd. | 0.13% | Add +0.3% | 182,365 | $97.8M |
| Caisse de depot et placement du Quebec | 0.21% | Add +7.8% | 181,095 | $97.1M |
| Rhumbline Advisers | 0.08% | Reduce -2.0% | 179,518 | $96.3M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.08% | Add +3.7% | 177,169 | $95.0M |
| Liontrust Investment Partners LLP | 1.35% | Reduce -6.4% | 175,580 | $94.2M |
| BNP Paribas Financial Markets | 0.07% | Reduce -56.1% | 174,866 | $93.8M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.17% | Add +15.3% | 173,327 | $93.0M |
| Squarepoint Ops LLC | 0.20% | Add +314.9% | 172,601 | $92.6M |
| Wells Fargo & Company | 0.02% | Add +55.2% | 171,466 | $92.0M |
| Welch & Forbes LLC | 1.13% | Reduce -0.5% | 169,017 | $90.7M |
| Railway Pension Investments Ltd | 1.17% | Reduce -6.5% | 154,330 | $82.8M |
| LGT Capital Partners LTD. | 3.55% | Reduce -3.6% | 149,571 | $80.2M |
| Mackenzie Financial Corp. | 0.10% | Add +0.8% | 149,522 | $80.2M |
| Voya Investment Management LLC | 0.09% | Add +126.7% | 148,692 | $79.7M |
| California Public Employees Retirement System | 0.05% | Add +4.7% | 148,408 | $79.6M |
| Premier Fund Managers Ltd | 2.83% | Add +374.8% | 146,128 | $77.6M |
| Rathbones Group PLC | 0.32% | Reduce -4.6% | 137,219 | $73.6M |
| Citigroup Inc. | 0.05% | Add +3.4% | 136,782 | $73.4M |
| ProShare Advisors LLC | 0.15% | Add +0.0% | 135,564 | $72.7M |
| Fiera Capital Corp | 0.24% | Reduce -2.5% | 134,098 | $71.9M |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 0.62% | Reduce -1.6% | 131,683 | $70.6M |
| California State Teachers Retirement System | 0.08% | Add +2.2% | 128,836 | $69.1M |
| Allianz Asset Management GmbH | 0.09% | Reduce -8.6% | 126,290 | $67.7M |
| EULAV Asset Management | 1.59% | Add +0.0% | 126,217 | $67.7M |
| Bank of Montreal | 0.03% | Add +21.1% | 121,101 | $65.0M |
| Sei Investments Co. | 0.07% | Add +88.7% | 120,587 | $64.7M |
| Corient Private Wealth LP | 0.08% | Reduce -2.5% | 117,474 | $63.0M |
| Two Creeks Capital Management, LP | 4.08% | Reduce -28.6% | 114,459 | $61.4M |
| National Pension Service | 0.05% | Reduce -9.5% | 114,378 | $61.3M |
| Kayne Anderson Rudnick Investment Management LLC | 0.14% | Reduce -6.9% | 111,016 | $59.5M |
| Frontier Capital Management Co. LLC | 0.54% | Reduce -5.9% | 109,065 | $58.5M |
| Alliancebernstein L.P. | 0.02% | Reduce -40.2% | 108,798 | $58.4M |
"% of holder's portfolio" is IDXX's weight in each manager's 13F, not the share of Idexx Laboratories Inc. the manager owns.