Idexx Laboratories Inc /De (NASDAQ:IDXX) showed up in the 13F filings of 1,282 institutional investors as of March 2026.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| BlackRock, Inc. | 31 Mar, 2026 | 8,365,553 | -169,333 | -1.98% | $4,700,520,591.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 5,182,507 | 5,182,507 | 0.00% | $2,911,998,858.00 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 31 Mar, 2026 | 3,910,863 | 3,910,863 | 0.00% | $2,197,474,811.00 |
| State Street Corp | 31 Mar, 2026 | 3,674,185 | 17,559 | 0.48% | $2,064,487,810.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 2,660,999 | 77,060 | 2.98% | $1,497,768,297.00 |
| Invesco Ltd. | 31 Mar, 2026 | 1,678,045 | 175,827 | 11.70% | $942,876,970.00 |
| BAMCO INC /NY/ | 31 Mar, 2026 | 1,633,367 | -164,674 | -9.16% | $917,772,584.00 |
| Bank of New York Mellon Corp | 31 Mar, 2026 | 1,504,532 | -119,937 | -7.38% | $845,381,140.00 |
| Fundsmith LLP | 31 Mar, 2026 | 1,465,786 | -410,249 | -21.87% | $823,610,496.00 |
| Morgan Stanley | 31 Mar, 2026 | 1,315,954 | -237,777 | -15.30% | $739,423,426.00 |
| BLAIR WILLIAM & CO/IL | 31 Mar, 2026 | 946,336 | -55,039 | -5.50% | $531,736,581.00 |
| Northern Trust Corp | 31 Mar, 2026 | 911,893 | -11,259 | -1.22% | $512,383,559.00 |
| Principal Financial Group Inc | 31 Mar, 2026 | 881,189 | -87,757 | -9.06% | $495,164,014.00 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 31 Mar, 2026 | 871,789 | 11,902 | 1.38% | $489,849,521.00 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 31 Mar, 2026 | 838,839 | 288,471 | 52.41% | $471,335,246.00 |
| Capital Research Global Investors | 31 Mar, 2026 | 781,345 | 173,591 | 28.56% | $439,007,277.00 |
| Jpmorgan Chase & Co | 31 Mar, 2026 | 779,882 | 106,654 | 15.84% | $434,464,824.00 |
| WELLINGTON MANAGEMENT GROUP LLP | 31 Mar, 2026 | 735,475 | -43,739 | -5.61% | $413,256,047.00 |
| Goldman Sachs Group Inc | 31 Mar, 2026 | 716,921 | -947,179 | -56.92% | $402,830,921.00 |
| POLEN CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 695,811 | -264,726 | -27.56% | $390,969,243.00 |