Portolan Capital Management, LLC's ownership history for ZGN

Portolan Capital Management, LLC currently holds 710.6K shares with a market value of $7.4M. It started holding ZGN on 2024-12-31. At its peak, it held 1.4M shares on 2025-09-30. Its highest holding value was $12.9M on 2025-09-30. At its lowest, it held 405.7K shares on 2024-12-31, with a value of $3.4M on 2024-12-31. In the recent 180 days, Portolan Capital Management, LLC has decreased its shares by 658.5K. In the recent year, Portolan Capital Management, LLC has decreased its shares by 246.6K.