CHARLES SCHWAB INVESTMENT MANAGEMENT INC's ownership history for MPC

CHARLES SCHWAB INVESTMENT MANAGEMENT INC currently holds 2.7M shares with a market value of $666.5M. It started holding MPC on 2024-09-30. At its peak, it held 2.8M shares on 2025-12-31. Its highest holding value was $666.5M on 2026-03-31. At its lowest, it held 2.4M shares on 2024-09-30, with a value of $346.8M on 2024-12-31. In the recent 180 days, CHARLES SCHWAB INVESTMENT MANAGEMENT INC has decreased its shares by 77.3K. In the recent year, CHARLES SCHWAB INVESTMENT MANAGEMENT INC has increased its shares by 138.3K.