Boston Partners's ownership history for MPC

Boston Partners currently holds 3.5M shares with a market value of $905.8M. It started holding MPC on 2024-09-30. At its peak, it held 6.3M shares on 2025-09-30. Its highest holding value was $1.4B on 2026-03-31. At its lowest, it held 2.5M shares on 2024-09-30, with a value of $406.6M on 2024-09-30. In the recent 180 days, Boston Partners has decreased its shares by 2.6M. In the recent year, Boston Partners has decreased its shares by 2.6M.