Citadel Advisors (Ken Griffin) — BRK-B Trade History
Quarter-by-quarter changes in the BERKSHIRE HATHAWAY INC DEL position · CUSIP 084670702
Currently held · 4.5 YearsFirst seen: 2015 Q4
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-09-02 | Reduce | 1,085,742 | -107,758 | -9.0% | $543.3M | 0.06% |
| 2026 Q1 | 2026-05-15 | Add | 1,193,500 | 146,987 | +14.0% | $571.9M | 0.09% |
| 2025 Q4 | 2026-02-17 | Add | 1,046,513 | 599,567 | +134.1% | $526.0M | 0.08% |
| 2025 Q3 | 2025-11-14 | Add | 446,946 | 173,392 | +63.4% | $224.7M | 0.03% |
| 2025 Q2 | 2025-08-14 | Add | 273,554 | 252,318 | +1188.2% | $132.9M | 0.02% |
| 2025 Q1 | 2025-05-15 | Reduce | 21,236 | -162,110 | -88.4% | $11.3M | 0.00% |
| 2024 Q4 | 2025-02-14 | Add | 183,346 | 44,665 | +32.2% | $83.1M | 0.01% |
| 2024 Q3 | 2024-11-14 | Reduce | 138,681 | -245,517 | -63.9% | $63.8M | 0.01% |
| 2024 Q2 | 2024-08-14 | Add | 384,198 | 43,497 | +12.8% | $156.3M | 0.03% |
| 2024 Q1 | 2024-05-15 | Reduce | 340,701 | -27,428 | -7.5% | $143.3M | 0.03% |
| 2023 Q4 | 2024-02-14 | Add | 368,129 | 42,780 | +13.1% | $131.3M | 0.03% |
| 2023 Q3 | 2023-11-14 | Add | 325,349 | 119,985 | +58.4% | $114.0M | 0.02% |
| 2023 Q2 | 2023-08-14 | Add | 205,364 | 200,245 | +3911.8% | $70.0M | 0.01% |
| 2023 Q1 | 2023-05-15 | Reduce | 5,119 | -802,099 | -99.4% | $1.6M | — |
| 2022 Q4 | 2023-02-14 | Add | 807,218 | 605,897 | +301.0% | $249.3M | 0.06% |
| 2022 Q3 | 2022-11-14 | Add | 201,321 | 2,135 | +1.1% | $53.8M | 0.01% |
| 2022 Q2 | 2022-08-15 | Add | 199,186 | 14,253 | +7.7% | $54.4M | 0.01% |
| 2022 Q1 | 2022-05-16 | New | 184,933 | 184,933 | — | $65.3M | 0.01% |
| 2021 Q3 | 2022-03-11 | Sold out | — | -477,998 | -100.0% | — | — |
| 2021 Q4 | 2022-02-14 | Reduce | 477,998 | -725,549 | -60.3% | $142.9M | 0.03% |
| 2021 Q2 | 2021-08-16 | Add | 1,203,547 | 1,039,210 | +632.4% | $334.5M | 0.07% |
| 2021 Q1 | 2021-05-21 | Reduce | 164,337 | -261,972 | -61.5% | $42.0M | 0.01% |
| 2020 Q4 | 2021-02-16 | New | 426,309 | 426,309 | — | $98.8M | 0.03% |
| 2020 Q3 | 2020-11-16 | Sold out | — | -346,162 | -100.0% | — | — |
| 2020 Q2 | 2020-08-14 | Reduce | 346,162 | -150,496 | -30.3% | $61.8M | 0.02% |
| 2020 Q1 | 2020-05-15 | Add | 496,658 | 429,301 | +637.4% | $90.8M | 0.04% |
| 2019 Q4 | 2020-02-14 | New | 67,357 | 67,357 | — | $15.3M | 0.01% |
| 2019 Q2 | 2020-02-14 | — | — | — | — | — | — |
| 2018 Q4 | 2019-11-14 | Sold out | — | -280,317 | -100.0% | — | — |
| 2019 Q3 | 2019-11-14 | New | 280,317 | 280,317 | — | $58.3M | 0.03% |
| 2018 Q2 | 2019-08-14 | — | — | — | — | — | — |
| 2018 Q3 | 2019-05-15 | Sold out | — | -660,510 | -100.0% | — | — |
| 2019 Q1 | 2019-05-15 | New | 660,510 | 660,510 | — | $132.7M | 0.07% |
| 2018 Q1 | 2019-02-14 | Sold out | — | -1,112,752 | -100.0% | — | — |
| 2017 Q4 | 2018-02-09 | Add | 1,112,752 | 991,564 | +818.2% | $220.6M | 0.13% |
| 2017 Q3 | 2017-11-09 | Add | 121,188 | 35,001 | +40.6% | $22.2M | 0.02% |
| 2017 Q2 | 2017-08-11 | Add | 86,187 | 84,685 | +5638.1% | $14.6M | 0.01% |
| 2017 Q1 | 2017-05-12 | Reduce | 1,502 | -524,702 | -99.7% | $250.0K | — |
| 2016 Q4 | 2017-02-10 | Add | 526,204 | 385,762 | +274.7% | $85.8M | 0.09% |
| 2015 Q4 | 2017-01-31 | New | 140,442 | 140,442 | — | $18.5M | 0.02% |
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.