Which hedge funds own IDXX? IDEXX LABS INC, Q2 2026 13F holders
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16 of the hedge funds tracked by WhaleCreep disclosed a position in IDXX (IDEXX LABS INC) in their Q2 2026 13F filings, worth $1.5bn in total. The largest holder by portfolio weight is Fundsmith at 3.9% of its book. 3 managers opened a new position this quarter: Baillie Gifford, Brevan Howard Capital Management, Farallon Capital Management. 2 exited: D. E. Shaw & Co, Tudor Investment.
16tracked managers holding
3opened this quarter
2exited this quarter
Which hedge funds hold IDXX? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Fundsmith | Q2 2026 | 3.9% | $536.9m | 1,019,887 | -30% | reduced |
| Polen Capital Management | Q2 2026 | 2.4% | $280.3m | 532,384 | -23% | reduced |
| Tremblant Capital | Q2 2026 | 1.0% | $33.4m | 63,437 | -2% | reduced |
| Baillie Gifford | Q2 2026 | 0.2% | $202.7m | 353,797 | – | new |
| Holocene Advisors | Q2 2026 | 0.2% | $92.4m | 175,568 | 19% | added |
| Point72 Asset Management LP | Q2 2026 | 0.2% | $138.4m | 262,905 | 103% | added |
| Renaissance Technologies LLC | Q2 2026 | 0.1% | $57.8m | 109,784 | 126% | added |
| Brevan Howard Capital Management | Q2 2026 | 0.1% | $5.6m | 10,606 | – | new |
| Bridgewater Associates | Q2 2026 | 0.1% | $17.7m | 33,528 | 225% | added |
| Marshall Wace | Q2 2026 | 0.0% | $49.0m | 93,128 | 89% | added |
| Millennium Management | Q2 2026 | 0.0% | $41.6m | 78,980 | 12% | added |
| Woodline Partners | Q2 2026 | 0.0% | $9.0m | 17,066 | 1073% | added |
| Farallon Capital Management | Q2 2026 | 0.0% | $4.7m | 9,000 | – | new |
| Citadel Advisors | Q2 2026 | 0.0% | $20.5m | 38,846 | -56% | reduced |
| Ancora Advisors | Q2 2026 | 0.0% | $226.4k | 835 | -4% | reduced |
| First Manhattan | Q2 2026 | 0.0% | $321.7k | 611 | -8% | reduced |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| D. E. Shaw & Co | 0.0% | $603.5k |
| Tudor Investment | 0.3% | $4.7m |
Held in a manager's last filing on record
These managers have not filed for the latest quarter; their last disclosure is dated.
| Manager | Last filing | Weight |
|---|---|---|
| Cove Street Capital | Q3 2025 | 0.2% |
| Boston Omaha | Q4 2024 | 0.0% |
How has hedge fund ownership of IDXX changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 16 | $1.5bn |
| Q1 2026 | 15 | $1.6bn |
| Q4 2025 | 9 | $2.0bn |
| Q3 2025 | 8 | $2.4bn |
| Q2 2025 | 8 | $2.1bn |
| Q1 2025 | 7 | $1.3bn |
| Q4 2024 | 10 | $1.1bn |
| Q3 2024 | 9 | $1.4bn |
| Q2 2024 | 7 | $1.3bn |
| Q1 2024 | 8 | $1.6bn |
| Q4 2023 | 8 | $1.6bn |
| Q3 2023 | 9 | $1.4bn |
| Q2 2023 | 10 | $1.6bn |
| Q1 2023 | 11 | $1.7bn |
| Q4 2022 | 9 | $1.6bn |
| Q3 2022 | 11 | $1.4bn |
Counts every tracked manager that disclosed IDXX in that quarter's filing, including managers that have since stopped filing.