Cornerstone Advisory, LLC's ownership history for AMT

Cornerstone Advisory, LLC currently holds 3.2K shares with a market value of $621.9K. It started holding AMT on 2024-09-30. At its peak, it held 3.2K shares on 2025-09-30. Its highest holding value was $720.7K on 2025-03-31. At its lowest, it held 3.0K shares on 2024-09-30, with a value of $591.5K on 2024-12-31. In the recent 180 days, Cornerstone Advisory, LLC has increased its shares by 14. In the recent year, Cornerstone Advisory, LLC has increased its shares by 223.