FRONTIER CAPITAL MANAGEMENT CO LLC's ownership history for MPWR


FRONTIER CAPITAL MANAGEMENT CO LLC currently holds 84.1K shares with a market value of $76.2M. It started holding MPWR on 2024-09-30. At its peak, it held 163.9K shares on 2025-09-30. Its highest holding value was $150.9M on 2025-09-30. At its lowest, it held 84.1K shares on 2025-12-31, with a value of $74.7M on 2025-03-31. In the recent 180 days, FRONTIER CAPITAL MANAGEMENT CO LLC has decreased its shares by 48.7K. In the recent year, FRONTIER CAPITAL MANAGEMENT CO LLC has decreased its shares by 65.3K.


FRONTIER CAPITAL MANAGEMENT CO LLC's ownership history for MPWR