Cornerstone Advisory, LLC's ownership history for BRK.B


Cornerstone Advisory, LLC currently holds 53.1K shares with a market value of $26.7M. It started holding BRK.B on 2024-09-30. At its peak, it held 53.1K shares on 2025-09-30. Its highest holding value was $26.7M on 2025-09-30. At its lowest, it held 43.1K shares on 2024-09-30, with a value of $19.8M on 2024-09-30. In the recent 180 days, Cornerstone Advisory, LLC has increased its shares by 8.9K. In the recent year, Cornerstone Advisory, LLC has increased its shares by 10.0K.


Cornerstone Advisory, LLC's ownership history for BRK.B