FRONTIER CAPITAL MANAGEMENT CO LLC's ownership history for ACM

FRONTIER CAPITAL MANAGEMENT CO LLC currently holds 65.7K shares with a market value of $6.3M. It started holding ACM on 2024-09-30. At its peak, it held 70.5K shares on 2024-09-30. Its highest holding value was $8.6M on 2025-09-30. At its lowest, it held 65.7K shares on 2025-12-31, with a value of $6.3M on 2025-12-31. In the recent 180 days, FRONTIER CAPITAL MANAGEMENT CO LLC has decreased its shares by 2.4K. In the recent year, FRONTIER CAPITAL MANAGEMENT CO LLC has decreased its shares by 4.7K.