Who Owns IDXX?
IDEXX LABS INC — institutional ownership across 9 tracked superinvestors.
Last updated · Full stock page →
9
Institutional Holders
$911.6M
Total Value Held
1000.00T
Total Shares
IDEXX LABS INC (IDXX) is held by 9 tracked superinvestors with a combined position of $911.6M across 1000.00T shares. The largest holder is Terry Smith (Fundsmith) with $536.9M (3.93% of portfolio).
| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|---|---|---|---|---|---|---|
| 1 | Terry Smith | Fundsmith | 1019887 | $536.9M | 3.93% | 2026-06-30 |
| 2 | Polen Capital | Polen Capital Management | 532384 | $280.3M | 2.41% | 2026-06-30 |
| 3 | Jensen Investment Management | Jensen Investment Management | 105709 | $55.6M | 1.35% | 2026-06-30 |
| 4 | Wallace Weitz | Weitz Investment Management | 35300 | $18.6M | 1.29% | 2026-06-30 |
| 5 | Ray Dalio | Bridgewater Associates | 33528 | $17.7M | 0.07% | 2026-06-30 |
| 6 | Mairs & Power | Mairs & Power | 2080 | $1.1M | 0.01% | 2026-06-30 |
| 7 | Wally Obermeyer | Obermeyer Wealth Partners | 1923 | $1.0M | 0.04% | 2026-06-30 |
| 8 | Bill Nygren | Harris Associates | 455 | $240K | 0.00% | 2026-06-30 |
| 9 | FPA Queens Road | Bragg Financial Advisors | 382 | $201K | 0.01% | 2026-06-30 |
Ownership history
| Period | Holders | Total Value | Total Shares |
|---|---|---|---|
| 2023-06-30 | 1 | $2.2M | 4,478 |
| 2023-09-30 | 1 | $1.9M | 4,373 |
| 2023-12-31 | 2 | $3.2M | 43.7M |
| 2024-03-31 | 3 | $1.49B | 1000.00T |
| 2024-06-30 | 3 | $1.31B | 1000.00T |
| 2024-09-30 | 4 | $1.36B | 1000.00T |
| 2024-12-31 | 5 | $1.11B | 1000.00T |
| 2025-03-31 | 7 | $1.30B | 1000.00T |
| 2025-06-30 | 8 | $2.10B | 1000.00T |
| 2025-09-30 | 9 | $2.44B | 1000.00T |
| 2025-12-31 | 9 | $1.95B | 1000.00T |
| 2026-03-31 | 9 | $1.24B | 1000.00T |