Aquamarine (Guy Spier) — BRK-B Trade History

Quarter-by-quarter changes in the BERKSHIRE HATHAWAY INC DEL position · CUSIP 084670702
Currently held · 4 YearsFirst seen: 2022 Q3
QuarterFiledActivitySharesΔ SharesΔ %Value% Port.
2026 Q22026-07-10Hold97,6000.0%$48.8K33.89%
2026 Q12026-04-17Hold97,6000.0%$46.8K34.57%
2025 Q42026-01-15Reduce97,600-43,000-30.6%$49.1K33.25%
2025 Q32025-10-20Hold140,6000.0%$70.7K22.27%
2025 Q12025-07-18Hold140,6000.0%$74.9K25.50%
2025 Q22025-07-18Hold140,6000.0%$68.3K22.04%
2024 Q42025-01-24Hold140,6000.0%$63.7K22.16%
2024 Q32024-10-16Hold140,6000.0%$64.7K22.66%
2024 Q22024-07-11Hold140,6000.0%$57.2K21.78%
2024 Q12024-04-18Hold140,6000.0%$59.1K22.57%
2023 Q42024-02-01Hold140,6000.0%$50.1K21.92%
2023 Q32023-10-12Hold140,6000.0%$49.3K24.28%
2023 Q22023-07-13Hold140,6000.0%$47.9K22.86%
2023 Q12023-04-18Hold140,6000.0%$43.4K22.45%
2022 Q42023-01-27Hold140,6000.0%$43.4K23.37%
2022 Q32022-11-08New140,600140,600$37.5M22.84%

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.