GRIFFIN ASSET MANAGEMENT, INC.'s ownership history for IBKR

GRIFFIN ASSET MANAGEMENT, INC. currently holds 40.3K shares with a market value of $2.7M. It started holding IBKR on 2024-09-30. At its peak, it held 40.3K shares on 2025-06-30. Its highest holding value was $2.8M on 2025-09-30. At its lowest, it held 3.4K shares on 2025-03-31, with a value of $496.1K on 2024-09-30. 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 36.9K.