Barton Investment Management's ownership history for AMT

Barton Investment Management currently holds 81.1K shares with a market value of $15.6M. It started holding AMT on 2024-09-30. At its peak, it held 88.3K shares on 2024-09-30. Its highest holding value was $20.5M on 2024-09-30. At its lowest, it held 81.1K shares on 2025-09-30, with a value of $15.6M on 2025-09-30. In the recent 180 days, Barton Investment Management has decreased its shares by 4.4K. In the recent year, Barton Investment Management has decreased its shares by 7.2K.