GRIFFIN ASSET MANAGEMENT, INC.'s ownership history for BRK.B

GRIFFIN ASSET MANAGEMENT, INC. currently holds 10.9K shares with a market value of $5.5M. It started holding BRK.B on 2024-09-30. At its peak, it held 11.2K shares on 2025-03-31. Its highest holding value was $6.0M on 2025-03-31. At its lowest, it held 10.9K shares on 2025-09-30, with a value of $5.0M on 2024-12-31. In the recent 180 days, GRIFFIN ASSET MANAGEMENT, INC. has decreased its shares by 312. In the recent year, GRIFFIN ASSET MANAGEMENT, INC. has decreased its shares by 148.