Idexx LaboratoriesIDXX
13F holders, Q3 2024 (September 30)At the end of Q3 2024, 1,117 institutions reported holding Idexx Laboratories Inc. (IDXX) in their 13F filings, up 7 from Q2 2024. 92 opened new positions and 84 sold out. The largest holders were Vanguard Group Inc. ($4.9B), BlackRock, Inc. ($4.8B) and State Street Corp. ($1.8B). 11 famous investors held it, including Terry Smith (5.3% of Fundsmith's portfolio), Ron Baron (2.6% 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 Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 92 | $132.4M |
| Exits | 84 | $335.0M |
All 13F filers, Q2 2024 → Q3 2024: 2,953,226 shares bought and 4,732,118 shares sold, net −1,778,892 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,117 holders
| Vanguard Group Inc. | 0.09% | Add +0.1% | 9,703,253 | $4.9B |
| BlackRock, Inc. | 0.10% | — | 9,415,214 | $4.8B |
| State Street Corp. | 0.07% | Reduce -0.4% | 3,613,360 | $1.8B |
| Alliancebernstein L.P. | 0.48% | Reduce -10.4% | 2,817,709 | $1.4B |
| Fundsmith | 5.32% | Add +0.0% | 2,664,162 | $1.3B |
| Geode Capital Management, LLC | 0.09% | Add +1.8% | 2,259,537 | $1.1B |
| Baron Capital (BAMCO) | 2.58% | Reduce -5.5% | 1,923,258 | $971.7M |
| T. Rowe Price Associates Inc. | 0.09% | Add +20.9% | 1,536,852 | $776.4M |
| Franklin Resources Inc. | 0.19% | Add +2.5% | 1,412,700 | $675.3M |
| Morgan Stanley | 0.04% | Add +3.6% | 1,181,709 | $597.0M |
| Blair William & Co. | 1.73% | Reduce -0.6% | 1,165,569 | $588.9M |
| Brown Advisory Inc. | 0.69% | Reduce -5.5% | 1,091,898 | $551.6M |
| Invesco Ltd. | 0.11% | Reduce -17.9% | 1,086,664 | $549.0M |
| Norges Bank | 0.07% | Add +0.5% | 999,284 | $504.9M |
| Fundsmith Investment Services LTD. | 5.44% | Add +0.2% | 865,008 | $437.0M |
| Northern Trust Corp. | 0.06% | Reduce -5.6% | 769,505 | $388.8M |
| Goldman Sachs Group Inc. | 0.07% | Reduce -5.7% | 768,621 | $388.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.10% | Add +0.3% | 751,900 | $379.9M |
| Principal Financial Group Inc. | 0.20% | Reduce -3.1% | 730,470 | $369.0M |
| Amundi | 0.12% | Add +22.2% | 701,832 | $333.7M |
| Legal & General Group Plc | 0.09% | Add +1.3% | 639,842 | $323.3M |
| American Century Companies Inc. | 0.18% | Add +9.9% | 618,429 | $312.4M |
| JPMorgan Chase & Co. | 0.02% | Reduce -20.3% | 612,672 | $309.5M |
| Bank of America Corp. | 0.03% | Reduce -6.0% | 611,170 | $308.8M |
| Dimensional Fund Advisors LP | 0.07% | Add +17.5% | 602,718 | $304.5M |
| Bank of New York Mellon Corp | 0.06% | Reduce -3.6% | 597,663 | $302.0M |
| Charles Schwab Investment Management Inc. | 0.05% | Reduce -0.9% | 515,479 | $260.4M |
| Capital Counsel LLC | 10.24% | Add +0.2% | 471,179 | $238.0M |
| Barclays PLC | 0.10% | Add +84.1% | 452,356 | $228.5M |
| Macquarie Group Ltd. | 0.24% | Add +9.3% | 444,197 | $224.4M |
| Royal Bank of Canada | 0.05% | Reduce -7.0% | 438,776 | $221.7M |
| Capital Research Global Investors | 0.04% | Add +0.1% | 426,560 | $215.5M |
| Neuberger Berman Group LLC | 0.16% | Reduce -10.0% | 417,474 | $210.9M |
| Nuveen Asset Management, LLC | 0.06% | Reduce -2.3% | 412,015 | $208.2M |
| Massachusetts Financial Services Co. | 0.06% | Add +4.0% | 406,086 | $205.2M |
| Pictet Asset Management Holding SA | 0.20% | Add +23.9% | 358,520 | $181.2M |
| HSBC Holdings PLC | 0.11% | Add +26.7% | 344,258 | $173.9M |
| Clearbridge Investments, LLC | 0.14% | Reduce -2.8% | 343,104 | $173.3M |
| Williams Jones Wealth Management, LLC. | 2.02% | Reduce -1.7% | 341,453 | $172.5M |
| Corient Private Wealth LP | 0.24% | Add +106.1% | 306,354 | $154.8M |
| Deutsche Bank AG | 0.06% | Add +14.0% | 303,119 | $153.1M |
| TD Asset Management Inc | 0.13% | Reduce -5.0% | 294,712 | $150.8M |
| FMR LLC | 0.01% | Add +3.6% | 290,861 | $146.9M |
| Qube Research & Technologies Ltd | 0.26% | Add +19.2% | 286,222 | $144.6M |
| Aberdeen Group plc | 0.24% | Reduce -0.8% | 258,697 | $130.7M |
| American Capital Management Inc. | 4.11% | Reduce -14.6% | 248,853 | $125.7M |
| Swiss National Bank | 0.08% | Reduce -0.4% | 245,100 | $123.8M |
| Bank Julius Baer & Co. Ltd, Zurich | 0.40% | Add +2.1% | 208,276 | $119.1M |
| Robeco Institutional Asset Management B.V. | 0.23% | Reduce -1.4% | 232,760 | $117.6M |
| UBS Group AG | 0.03% | Add +3.3% | 229,177 | $115.8M |
| Vontobel Holding Ltd. | 0.36% | Add +3325.0% | 220,159 | $111.2M |
| Ameriprise Financial Inc. | 0.03% | Reduce -8.0% | 212,178 | $107.0M |
| Baird Financial Group, Inc. | 0.21% | Reduce -9.8% | 210,343 | $106.3M |
| Sumitomo Mitsui Trust Group, Inc. | 0.07% | Add +1.7% | 197,534 | $99.8M |
| First Trust Advisors LP | 0.09% | Add +15.9% | 196,450 | $99.3M |
| Railway Pension Investments Ltd | 1.17% | Reduce -9.9% | 193,030 | $97.5M |
| Envestnet Asset Management Inc. | 0.03% | Reduce -10.9% | 192,716 | $97.4M |
| Eventide Asset Management, LLC | 1.64% | Add +0.1% | 188,412 | $95.2M |
| National Pension Service | 0.09% | Add +7.3% | 185,972 | $94.0M |
| Rhumbline Advisers | 0.08% | Reduce -0.5% | 182,901 | $92.4M |
| CIBC Private Wealth Group LLC | 0.16% | Reduce -23.5% | 177,926 | $89.9M |
| Epoch Investment Partners, Inc. | 0.39% | Reduce -7.7% | 170,789 | $86.3M |
| Welch & Forbes LLC | 1.09% | Reduce -0.3% | 169,237 | $85.5M |
| Allianz Asset Management GmbH | 0.13% | Reduce -25.1% | 168,320 | $85.0M |
| Millennium Management | 0.07% | Add +20.0% | 155,767 | $78.7M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.19% | Add +59.5% | 155,646 | $78.6M |
| California Public Employees Retirement System | 0.05% | Add +1.7% | 151,906 | $76.7M |
| Jupiter Asset Management Ltd. | 0.66% | Reduce -10.5% | 148,765 | $75.2M |
| TimesSquare Capital Management, LLC | 1.11% | Reduce -1.3% | 146,659 | $74.1M |
| Credit Agricole S A | 0.38% | Add +36.0% | 144,255 | $72.9M |
| Victory Capital Management Inc. | 0.07% | Add +3.4% | 142,628 | $72.1M |
| Frontier Capital Management Co. LLC | 0.67% | Reduce -2.6% | 140,595 | $71.0M |
| LGT Capital Partners LTD. | 2.43% | Reduce -11.0% | 138,475 | $70.0M |
| BNP Paribas Financial Markets | 0.07% | Add +1.2% | 137,383 | $69.4M |
| Kayne Anderson Rudnick Investment Management LLC | 0.15% | Reduce -2.9% | 136,597 | $69.0M |
| California State Teachers Retirement System | 0.08% | Reduce -0.1% | 133,709 | $67.6M |
| Arrowstreet Capital, Limited Partnership | 0.06% | Add +5.2% | 133,575 | $67.5M |
| Citigroup Inc. | 0.06% | Reduce -5.7% | 133,279 | $67.3M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.07% | Add +10.9% | 132,955 | $67.2M |
| D. E. Shaw & Co. | 0.09% | Add +387.2% | 126,215 | $63.8M |
| EULAV Asset Management | 1.55% | No change | 126,212 | $63.8M |
| Fiera Capital Corp | 0.19% | Reduce -23.5% | 125,735 | $63.5M |
| Wells Fargo & Company | 0.01% | Reduce -17.3% | 121,714 | $61.5M |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 0.54% | Reduce -3.1% | 134,834 | $61.0M |
| Assenagon Asset Management S.A. | 0.12% | Add +42.9% | 119,001 | $60.1M |
| Bank of Montreal | 0.03% | Reduce -10.1% | 115,765 | $59.2M |
| Canada Pension Plan Investment Board | 0.06% | Reduce -11.0% | 116,017 | $58.6M |
| Two Sigma Investments, LP | 0.13% | Add +115.7% | 111,700 | $56.4M |
| Rathbones Group PLC | 0.28% | Add +14.3% | 111,181 | $56.2M |
| Worldquant Millennium Advisors LLC | 0.41% | Add +230.1% | 110,196 | $55.7M |
| Thrivent Financial for Lutherans | 0.10% | Add +150.6% | 108,258 | $54.7M |
| Riverbridge Partners LLC | 0.73% | Reduce -1.6% | 107,809 | $54.5M |
| Stephens Investment Management Group LLC | 0.72% | Reduce -7.6% | 104,900 | $53.0M |
| Davis R M Inc. | 1.01% | Add +0.8% | 103,378 | $52.2M |
| Royal London Asset Management Ltd. | 0.13% | Add +2.2% | 103,072 | $52.1M |
| Eagle Asset Management Inc. | 0.27% | Reduce -56.1% | 119,965 | $52.0M |
| ProShare Advisors LLC | 0.13% | Add +3.4% | 102,540 | $51.8M |
| KBC Group NV | 0.15% | Add +41.1% | 100,948 | $51.0M |
| Aviva PLC | 0.13% | Add +2.6% | 99,899 | $50.5M |
| Point72 Asset Management | 0.17% | New | 96,462 | $48.7M |
"% of holder's portfolio" is IDXX's weight in each manager's 13F, not the share of Idexx Laboratories Inc. the manager owns.