GREAT LAKES ADVISORS, LLC's ownership history for MPC

GREAT LAKES ADVISORS, LLC currently holds 8.1K shares with a market value of $1.6M. It started holding MPC on 2024-09-30. At its peak, it held 8.1K shares on 2025-09-30. Its highest holding value was $1.6M on 2025-09-30. At its lowest, it held 5.5K shares on 2025-06-30, with a value of $843.1K on 2024-12-31. In the recent 180 days, GREAT LAKES ADVISORS, LLC has increased its shares by 2.2K. In the recent year, GREAT LAKES ADVISORS, LLC has increased its shares by 2.1K.