Harbor Advisors LLC's ownership history for IBKR

Harbor Advisors LLC currently holds 186.8K shares with a market value of $12.9M. It started holding IBKR on 2024-09-30. At its peak, it held 186.8K shares on 2025-06-30. Its highest holding value was $12.9M on 2025-09-30. At its lowest, it held 46.7K shares on 2024-09-30, with a value of $6.5M on 2024-09-30. In the recent 180 days, Harbor Advisors LLC has increased its shares by 140.1K. In the recent year, Harbor Advisors LLC has increased its shares by 140.1K.