Citadel Advisors (Ken Griffin) — CMCSA Trade History
Quarter-by-quarter changes in the COMCAST CORP NEW position · CUSIP 20030N101
Currently held · 3.5 YearsFirst seen: 2015 Q4split-adjusted
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-09-02 | Add | 5,247,259 | 3,353,116 | +177.0% | $128.8M | 0.01% |
| 2026 Q1 | 2026-05-15 | Reduce | 1,894,143 | -3,153,522 | -62.5% | $54.4M | 0.01% |
| 2025 Q4 | 2026-02-17 | Reduce | 5,047,665 | -2,731,508 | -35.1% | $141.4M | 0.02% |
| 2025 Q3 | 2025-11-14 | Add | 7,779,173 | 7,311,234 | +1562.4% | $229.1M | 0.04% |
| 2025 Q2 | 2025-08-14 | Reduce | 467,939 | -2,337,592 | -83.3% | $15.7M | 0.00% |
| 2025 Q1 | 2025-05-15 | Reduce | 2,805,531 | -1,193,964 | -29.9% | $97.0M | 0.02% |
| 2024 Q4 | 2025-02-14 | Reduce | 3,999,495 | -3,146,742 | -44.0% | $140.7M | 0.02% |
| 2024 Q3 | 2024-11-14 | Add | 7,146,237 | 3,698,395 | +107.3% | $279.8M | 0.05% |
| 2024 Q2 | 2024-08-14 | Add | 3,447,842 | 2,368,574 | +219.5% | $126.5M | 0.03% |
| 2024 Q1 | 2024-05-15 | Add | 1,079,268 | 843,588 | +357.9% | $43.8M | 0.01% |
| 2023 Q4 | 2024-02-14 | Reduce | 235,680 | -16,387,985 | -98.6% | $9.7M | 0.00% |
| 2023 Q3 | 2023-11-14 | Add | 16,623,665 | 9,895,019 | +147.1% | $690.8M | 0.15% |
| 2023 Q2 | 2023-08-14 | Add | 6,728,646 | 6,661,328 | +9895.3% | $262.0M | 0.05% |
| 2023 Q1 | 2023-05-15 | New | 67,318 | 67,318 | — | $2.4M | 0.00% |
| 2022 Q4 | 2023-02-14 | Sold out | — | -7,207,983 | -100.0% | — | — |
| 2022 Q3 | 2022-11-14 | Add | 7,207,983 | 4,662,456 | +183.2% | $198.1M | 0.04% |
| 2022 Q2 | 2022-08-15 | Add | 2,545,527 | 1,211,616 | +90.8% | $93.6M | 0.02% |
| 2022 Q1 | 2022-05-16 | New | 1,333,911 | 1,333,911 | — | $58.5M | 0.01% |
| 2021 Q3 | 2022-03-11 | Sold out | — | -1,768,321 | -100.0% | — | — |
| 2021 Q4 | 2022-02-14 | Reduce | 1,768,321 | -7,046,282 | -79.9% | $83.4M | 0.02% |
| 2021 Q2 | 2021-08-16 | Reduce | 8,814,603 | -592,244 | -6.3% | $471.0M | 0.10% |
| 2021 Q1 | 2021-05-21 | Add | 9,406,847 | 8,498,028 | +935.1% | $477.0M | 0.12% |
| 2020 Q4 | 2021-02-16 | Reduce | 908,819 | -6,147,904 | -87.1% | $44.6M | 0.01% |
| 2020 Q3 | 2020-11-16 | Add | 7,056,723 | 6,824,902 | +2944.0% | $305.9M | 0.09% |
| 2020 Q2 | 2020-08-14 | Add | 231,821 | 83,648 | +56.5% | $8.5M | 0.00% |
| 2020 Q1 | 2020-05-15 | Reduce | 148,173 | -7,317,505 | -98.0% | $4.8M | 0.00% |
| 2019 Q4 | 2020-02-14 | New | 7,465,678 | 7,465,678 | — | $314.6M | 0.14% |
| 2019 Q2 | 2020-02-14 | — | — | — | — | — | — |
| 2018 Q4 | 2019-11-14 | Sold out | — | -1,088,717 | -100.0% | — | — |
| 2019 Q3 | 2019-11-14 | New | 1,088,717 | 1,088,717 | — | $46.0M | 0.02% |
| 2018 Q2 | 2019-08-14 | — | — | — | — | — | — |
| 2018 Q3 | 2019-05-15 | Sold out | — | -4,627,750 | -100.0% | — | — |
| 2019 Q1 | 2019-05-15 | New | 4,627,750 | 4,627,750 | — | $173.4M | 0.09% |
| 2018 Q1 | 2019-02-14 | Sold out | — | -22,625,386 | -100.0% | — | — |
| 2017 Q4 | 2018-02-09 | Add | 22,625,386 | 17,589,531 | +349.3% | $849.2M | 0.52% |
| 2017 Q3 | 2017-11-09 | Reduce | 5,035,855 | -1,123,953 | -18.2% | $181.6M | 0.14% |
| 2017 Q2 | 2017-08-11 | Add | 6,159,808 | 6,013,949 | +4123.1% | $224.7M | 0.19% |
| 2017 Q1 | 2017-05-12 | Reduce | 145,859 | -13,820,640 | -99.0% | $5.1M | 0.01% |
| 2016 Q4 | 2017-02-10 | Add | 13,966,499 | 12,188,751 | +685.6% | $451.9M | 0.46% |
| 2015 Q4 | 2017-01-31 | New | 1,777,748 | 1,777,748 | — | $47.0M | 0.05% |
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.