FRONTIER CAPITAL MANAGEMENT CO LLC's ownership history for ATMU

FRONTIER CAPITAL MANAGEMENT CO LLC currently holds 653.6K shares with a market value of $33.9M. It started holding ATMU on 2024-09-30. At its peak, it held 653.6K shares on 2025-12-31. Its highest holding value was $33.9M on 2025-12-31. At its lowest, it held 208.0K shares on 2024-09-30, with a value of $7.8M on 2024-09-30. In the recent 180 days, FRONTIER CAPITAL MANAGEMENT CO LLC has increased its shares by 314.3K. In the recent year, FRONTIER CAPITAL MANAGEMENT CO LLC has increased its shares by 301.0K.