DIMENSIONAL FUND ADVISORS LP's ownership history for CIEN

DIMENSIONAL FUND ADVISORS LP currently holds 2.0M shares with a market value of $290.7M. It started holding CIEN on 2024-09-30. At its peak, it held 2.6M shares on 2024-09-30. Its highest holding value was $290.7M on 2025-09-30. At its lowest, it held 2.0M shares on 2025-09-30, with a value of $143.7M on 2025-03-31. In the recent 180 days, DIMENSIONAL FUND ADVISORS LP has decreased its shares by 381.8K. In the recent year, DIMENSIONAL FUND ADVISORS LP has decreased its shares by 650.3K.