Grassi Investment Management's ownership history for QQQ

Grassi Investment Management currently holds 11.3K shares with a market value of $6.3K. It started holding QQQ on 2024-09-30. At its peak, it held 11.3K shares on 2025-06-30. Its highest holding value was $6.3K on 2025-06-30. At its lowest, it held 11.2K shares on 2024-12-31, with a value of $5.3K on 2025-03-31. In the recent 180 days, Grassi Investment Management has increased its shares by 107.