Cambridge Advisors Inc.'s ownership history for QQQ

Cambridge Advisors Inc. currently holds 2.6K shares with a market value of $1.6M. It started holding QQQ on 2024-09-30. At its peak, it held 2.6K shares on 2024-12-31. Its highest holding value was $1.6M on 2025-09-30. At its lowest, it held 2.5K shares on 2024-09-30, with a value of $1.2M on 2024-09-30. In the recent 180 days, Cambridge Advisors Inc. has increased its shares by 0. In the recent year, Cambridge Advisors Inc. has increased its shares by 143.