Aquamarine (Guy Spier) — BRK-A Trade History

Quarter-by-quarter changes in the BERKSHIRE HATHAWAY INC DEL position · CUSIP 084670108
Currently held · 4 YearsFirst seen: 2022 Q3
QuarterFiledActivitySharesΔ SharesΔ %Value% Port.
2026 Q22026-07-10Hold300.0%$22.5K15.59%
2026 Q12026-04-17Hold300.0%$21.5K15.92%
2025 Q42026-01-15Hold300.0%$22.6K15.35%
2025 Q32025-10-20Hold300.0%$22.6K7.13%
2025 Q12025-07-18Hold300.0%$24.0K8.16%
2025 Q22025-07-18Hold300.0%$21.9K7.06%
2024 Q42025-01-24Hold300.0%$20.4K7.10%
2024 Q32024-10-16Hold300.0%$20.7K7.26%
2024 Q22024-07-11Hold300.0%$18.4K7.00%
2024 Q12024-04-18Hold300.0%$19.0K7.27%
2023 Q42024-02-01Hold300.0%$16.3K7.12%
2023 Q32023-10-12Hold300.0%$15.9K7.86%
2023 Q22023-07-13Hold300.0%$15.5K7.41%
2023 Q12023-04-18Hold300.0%$14.0K7.22%
2022 Q42023-01-27Hold300.0%$14.1K7.57%
2022 Q32022-11-08New3030$12.2M7.42%

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.