Citadel Advisors (Ken Griffin) — COHR Trade History
Quarter-by-quarter changes in the COHERENT CORP position · CUSIP 19247G107
Currently held · 4 YearsFirst seen: 2022 Q3
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-09-02 | Reduce | 161,095 | -917,999 | -85.1% | $63.5M | 0.01% |
| 2026 Q1 | 2026-05-15 | Reduce | 1,079,094 | -901,429 | -45.5% | $257.1M | 0.04% |
| 2025 Q4 | 2026-02-17 | Add | 1,980,523 | 1,415,412 | +250.5% | $365.5M | 0.06% |
| 2025 Q3 | 2025-11-14 | Reduce | 565,111 | -836,729 | -59.7% | $60.9M | 0.01% |
| 2025 Q2 | 2025-08-14 | Add | 1,401,840 | 1,279,310 | +1044.1% | $125.1M | 0.02% |
| 2025 Q1 | 2025-05-15 | Add | 122,530 | 100,721 | +461.8% | $8.0M | 0.00% |
| 2024 Q4 | 2025-02-14 | Reduce | 21,809 | -386,283 | -94.7% | $2.1M | — |
| 2024 Q3 | 2024-11-14 | Add | 408,092 | 380,863 | +1398.7% | $36.3M | 0.01% |
| 2024 Q2 | 2024-08-14 | Reduce | 27,229 | -1,044,219 | -97.5% | $2.0M | — |
| 2024 Q1 | 2024-05-15 | Add | 1,071,448 | 764,384 | +248.9% | $65.0M | 0.01% |
| 2023 Q4 | 2024-02-14 | Reduce | 307,064 | -831,860 | -73.0% | $13.4M | 0.00% |
| 2023 Q3 | 2023-11-14 | Add | 1,138,924 | 1,127,943 | +10271.8% | $37.2M | 0.01% |
| 2023 Q2 | 2023-08-14 | Reduce | 10,981 | -978,998 | -98.9% | $559.8K | — |
| 2023 Q1 | 2023-05-15 | Reduce | 989,979 | -28,337 | -2.8% | $37.7M | 0.01% |
| 2022 Q4 | 2023-02-14 | Add | 1,018,316 | 660,581 | +184.7% | $35.7M | 0.01% |
| 2022 Q3 | 2022-11-14 | New | 357,735 | 357,735 | — | $12.5M | 0.00% |
| 2022 Q2 | 2022-08-15 | — | — | — | — | — | — |
| 2022 Q1 | 2022-05-16 | — | — | — | — | — | — |
| 2021 Q3 | 2022-03-11 | — | — | — | — | — | — |
| 2021 Q4 | 2022-02-14 | — | — | — | — | — | — |
| 2021 Q2 | 2021-08-16 | — | — | — | — | — | — |
| 2021 Q1 | 2021-05-21 | — | — | — | — | — | — |
| 2020 Q4 | 2021-02-16 | — | — | — | — | — | — |
| 2020 Q3 | 2020-11-16 | — | — | — | — | — | — |
| 2020 Q2 | 2020-08-14 | — | — | — | — | — | — |
| 2020 Q1 | 2020-05-15 | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — |
| 2017 Q4 | 2018-02-09 | — | — | — | — | — | — |
| 2017 Q3 | 2017-11-09 | — | — | — | — | — | — |
| 2017 Q2 | 2017-08-11 | — | — | — | — | — | — |
| 2017 Q1 | 2017-05-12 | — | — | — | — | — | — |
| 2016 Q4 | 2017-02-10 | — | — | — | — | — | — |
| 2015 Q4 | 2017-01-31 | — | — | — | — | — | — |
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.