Citadel Advisors (Ken Griffin) — IDXX Trade History
Quarter-by-quarter changes in the IDEXX LABS INC position · CUSIP 45168D104
Currently held · 4.5 YearsFirst seen: 2015 Q4
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-09-02 | Reduce | 38,846 | -48,720 | -55.6% | $20.5M | 0.00% |
| 2026 Q1 | 2026-05-15 | Add | 87,566 | 69,723 | +390.8% | $49.2M | 0.01% |
| 2025 Q4 | 2026-02-17 | Reduce | 17,843 | -9,733 | -35.3% | $12.1M | 0.00% |
| 2025 Q3 | 2025-11-14 | Reduce | 27,576 | -15,806 | -36.4% | $17.6M | 0.00% |
| 2025 Q2 | 2025-08-14 | Add | 43,382 | 42,310 | +3946.8% | $23.3M | 0.00% |
| 2025 Q1 | 2025-05-15 | Reduce | 1,072 | -76,982 | -98.6% | $450.2K | — |
| 2024 Q4 | 2025-02-14 | Add | 78,054 | 54,954 | +237.9% | $32.3M | 0.01% |
| 2024 Q3 | 2024-11-14 | Reduce | 23,100 | -54,272 | -70.1% | $11.7M | 0.00% |
| 2024 Q2 | 2024-08-14 | Add | 77,372 | 35,125 | +83.1% | $37.7M | 0.01% |
| 2024 Q1 | 2024-05-15 | Reduce | 42,247 | -99,625 | -70.2% | $22.8M | 0.00% |
| 2023 Q4 | 2024-02-14 | Add | 141,872 | 96,605 | +213.4% | $78.7M | 0.02% |
| 2023 Q3 | 2023-11-14 | Reduce | 45,267 | -57,667 | -56.0% | $19.8M | 0.00% |
| 2023 Q2 | 2023-08-14 | Reduce | 102,934 | -608,965 | -85.5% | $51.7M | 0.01% |
| 2023 Q1 | 2023-05-15 | Add | 711,899 | 313,801 | +78.8% | $356.0M | 0.08% |
| 2022 Q4 | 2023-02-14 | Add | 398,098 | 29,767 | +8.1% | $162.4M | 0.04% |
| 2022 Q3 | 2022-11-14 | Add | 368,331 | 264,023 | +253.1% | $120.0M | 0.03% |
| 2022 Q2 | 2022-08-15 | Add | 104,308 | 102,533 | +5776.5% | $36.6M | 0.01% |
| 2022 Q1 | 2022-05-16 | New | 1,775 | 1,775 | — | $971.0K | — |
| 2021 Q3 | 2022-03-11 | Sold out | — | -2,102 | -100.0% | — | — |
| 2021 Q4 | 2022-02-14 | New | 2,102 | 2,102 | — | $1.4M | — |
| 2021 Q2 | 2021-08-16 | Sold out | — | -24,643 | -100.0% | — | — |
| 2021 Q1 | 2021-05-21 | Reduce | 24,643 | -7,009 | -22.1% | $12.1M | 0.00% |
| 2020 Q4 | 2021-02-16 | Reduce | 31,652 | -150,908 | -82.7% | $15.8M | 0.00% |
| 2020 Q3 | 2020-11-16 | Add | 182,560 | 173,899 | +2007.8% | $71.8M | 0.02% |
| 2020 Q2 | 2020-08-14 | Add | 8,661 | 4,930 | +132.1% | $2.9M | 0.00% |
| 2020 Q1 | 2020-05-15 | New | 3,731 | 3,731 | — | $904.0K | — |
| 2019 Q4 | 2020-02-14 | — | — | — | — | — | — |
| 2019 Q2 | 2020-02-14 | — | — | — | — | — | — |
| 2018 Q4 | 2019-11-14 | — | — | — | — | — | — |
| 2019 Q3 | 2019-11-14 | — | — | — | — | — | — |
| 2018 Q2 | 2019-08-14 | — | — | — | — | — | — |
| 2018 Q3 | 2019-05-15 | — | — | — | — | — | — |
| 2019 Q1 | 2019-05-15 | — | — | — | — | — | — |
| 2018 Q1 | 2019-02-14 | Sold out | — | -45,313 | -100.0% | — | — |
| 2017 Q4 | 2018-02-09 | Add | 45,313 | 40,562 | +853.8% | $7.1M | 0.00% |
| 2017 Q3 | 2017-11-09 | Reduce | 4,751 | -59,502 | -92.6% | $739.0K | 0.00% |
| 2017 Q2 | 2017-08-11 | New | 64,253 | 64,253 | — | $10.4M | 0.01% |
| 2017 Q1 | 2017-05-12 | Sold out | — | -35,893 | -100.0% | — | — |
| 2016 Q4 | 2017-02-10 | Reduce | 35,893 | -33,762 | -48.5% | $4.2M | 0.00% |
| 2015 Q4 | 2017-01-31 | New | 69,655 | 69,655 | — | $5.1M | 0.01% |
Share counts are split-adjusted. Time held counts consecutive quarters ending with the latest filing; more than ten years shows as ">10 Years".
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.