BlackRock, Inc.'s ownership history for MPC

BlackRock, Inc. currently holds 22.4M shares with a market value of $3.6B. It started holding MPC on 2024-09-30. At its peak, it held 25.4M shares on 2024-09-30. Its highest holding value was $4.3B on 2025-09-30. At its lowest, it held 22.4M shares on 2025-09-30, with a value of $3.5B on 2024-12-31. In the recent 180 days, BlackRock, Inc. has decreased its shares by 992.7K. In the recent year, BlackRock, Inc. has decreased its shares by 2.3M.