Graham Holdings Co's ownership history for PUBM

Graham Holdings Co currently holds 2.8M shares with a market value of $23.4K. It started holding PUBM on 2024-09-30. At its peak, it held 2.8M shares on 2025-03-31. Its highest holding value was $35.2K on 2025-06-30. At its lowest, it held 2.3M shares on 2024-09-30, with a value of $23.4K on 2025-09-30. In the recent 180 days, Graham Holdings Co has increased its shares by 0. In the recent year, Graham Holdings Co has increased its shares by 500.0K.