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

GRIFFIN ASSET MANAGEMENT, INC. currently holds 13 shares with a market value of $9.8M. It started holding BRK.A on 2024-09-30. At its peak, it held 13 shares on 2024-09-30. Its highest holding value was $10.4M on 2025-03-31. At its lowest, it held 13 shares on 2024-09-30, with a value of $8.9M on 2024-12-31. In the recent 180 days, GRIFFIN ASSET MANAGEMENT, INC. has increased its shares by 0. In the recent year, GRIFFIN ASSET MANAGEMENT, INC. has increased its shares by 0.