BLAIR WILLIAM & CO/IL's ownership history for MPC

BLAIR WILLIAM & CO/IL currently holds 54.3K shares with a market value of $8.8M. It started holding MPC on 2024-09-30. At its peak, it held 54.3K shares on 2025-12-31. Its highest holding value was $8.8M on 2025-12-31. At its lowest, it held 44.3K shares on 2025-09-30, with a value of $7.3M on 2025-03-31. In the recent 180 days, BLAIR WILLIAM & CO/IL has increased its shares by 8.9K. In the recent year, BLAIR WILLIAM & CO/IL has increased its shares by 1.2K.