Flagstone Financial Management's ownership history for BRK.B

Flagstone Financial Management currently holds 12.3K shares with a market value of $6.2M. It started holding BRK.B on 2024-09-30. At its peak, it held 12.3K shares on 2025-09-30. Its highest holding value was $6.2M on 2025-09-30. At its lowest, it held 11.1K shares on 2024-12-31, with a value of $5.0M on 2024-12-31. In the recent 180 days, Flagstone Financial Management has increased its shares by 1.1K. In the recent year, Flagstone Financial Management has increased its shares by 942.