Citadel Advisors (Ken Griffin) — ZM Trade History
Quarter-by-quarter changes in the ZOOM COMMUNICATIONS INC position · CUSIP 98980L101
Currently held · 4.5 YearsFirst seen: 2019 Q3
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-09-02 | Reduce | 657,209 | -3,573,545 | -84.5% | $56.7M | 0.01% |
| 2026 Q1 | 2026-05-15 | Add | 4,230,754 | 3,601,442 | +572.3% | $340.1M | 0.06% |
| 2025 Q4 | 2026-02-17 | Reduce | 629,312 | -132,764 | -17.4% | $54.3M | 0.01% |
| 2025 Q3 | 2025-11-14 | Reduce | 762,076 | -77,978 | -9.3% | $62.9M | 0.01% |
| 2025 Q2 | 2025-08-14 | Reduce | 840,054 | -78,159 | -8.5% | $65.5M | 0.01% |
| 2025 Q1 | 2025-05-15 | Add | 918,213 | 425,114 | +86.2% | $67.7M | 0.01% |
| 2024 Q4 | 2025-02-14 | Add | 493,099 | 48,661 | +10.9% | $40.2M | 0.01% |
| 2024 Q3 | 2024-11-14 | Add | 444,438 | 229,385 | +106.7% | $31.0M | 0.01% |
| 2024 Q2 | 2024-08-14 | Reduce | 215,053 | -475,260 | -68.8% | $12.7M | 0.00% |
| 2024 Q1 | 2024-05-15 | Reduce | 690,313 | -4,001 | -0.6% | $45.1M | 0.01% |
| 2023 Q4 | 2024-02-14 | Add | 694,314 | 549,255 | +378.6% | $49.9M | 0.01% |
| 2023 Q3 | 2023-11-14 | Reduce | 145,059 | -281,899 | -66.0% | $10.1M | 0.00% |
| 2023 Q2 | 2023-08-14 | Add | 426,958 | 328,651 | +334.3% | $29.0M | 0.01% |
| 2023 Q1 | 2023-05-15 | Add | 98,307 | 82,469 | +520.7% | $7.3M | 0.00% |
| 2022 Q4 | 2023-02-14 | Add | 15,838 | 12,289 | +346.3% | $1.1M | — |
| 2022 Q3 | 2022-11-14 | Reduce | 3,549 | -230,210 | -98.5% | $261.0K | — |
| 2022 Q2 | 2022-08-15 | Add | 233,759 | 103,457 | +79.4% | $25.2M | 0.01% |
| 2022 Q1 | 2022-05-16 | New | 130,302 | 130,302 | — | $15.3M | 0.00% |
| 2021 Q3 | 2022-03-11 | Sold out | — | -218,076 | -100.0% | — | — |
| 2021 Q4 | 2022-02-14 | Add | 218,076 | 124,559 | +133.2% | $40.1M | 0.01% |
| 2021 Q2 | 2021-08-16 | Reduce | 93,517 | -48,189 | -34.0% | $36.2M | 0.01% |
| 2021 Q1 | 2021-05-21 | Reduce | 141,706 | -620,076 | -81.4% | $45.5M | 0.01% |
| 2020 Q4 | 2021-02-16 | Add | 761,782 | 713,980 | +1493.6% | $257.0M | 0.07% |
| 2020 Q3 | 2020-11-16 | Reduce | 47,802 | -197,044 | -80.5% | $22.5M | 0.01% |
| 2020 Q2 | 2020-08-14 | Add | 244,846 | 103,531 | +73.3% | $62.1M | 0.02% |
| 2020 Q1 | 2020-05-15 | Reduce | 141,315 | -192,904 | -57.7% | $20.6M | 0.01% |
| 2019 Q4 | 2020-02-14 | New | 334,219 | 334,219 | — | $22.7M | 0.01% |
| 2019 Q2 | 2020-02-14 | — | — | — | — | — | — |
| 2018 Q4 | 2019-11-14 | Sold out | — | -102,307 | -100.0% | — | — |
| 2019 Q3 | 2019-11-14 | New | 102,307 | 102,307 | — | $7.8M | 0.00% |
| 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.