Granahan Investment Management, LLC's ownership history for CIEN


Granahan Investment Management, LLC currently holds 24.6K shares with a market value of $3.6M. It started holding CIEN on 2024-09-30. At its peak, it held 80.6K shares on 2025-06-30. Its highest holding value was $6.6M on 2025-06-30. At its lowest, it held 24.6K shares on 2025-09-30, with a value of $3.6M on 2025-09-30. In the recent 180 days, Granahan Investment Management, LLC has decreased its shares by 47.2K. In the recent year, Granahan Investment Management, LLC has decreased its shares by 53.6K.


Granahan Investment Management, LLC's ownership history for CIEN