Douglass Winthrop Advisors, LLC's ownership history for MPC

Douglass Winthrop Advisors, LLC currently holds 2.9K shares with a market value of $553.7K. It started holding MPC on 2025-09-30. At its peak, it held 2.9K shares on 2025-09-30. Its highest holding value was $553.7K on 2025-09-30. At its lowest, it held 2.9K shares on 2025-09-30, with a value of $553.7K on 2025-09-30.