White Pine Investment CO's ownership history for MPC

White Pine Investment CO currently holds 51.7K shares with a market value of $10.0K. It started holding MPC on 2024-09-30. At its peak, it held 54.2K shares on 2025-03-31. Its highest holding value was $10.0K on 2025-09-30. At its lowest, it held 51.7K shares on 2025-09-30, with a value of $7.5K on 2024-12-31. In the recent 180 days, White Pine Investment CO has decreased its shares by 2.5K. In the recent year, White Pine Investment CO has decreased its shares by 2.0K.