Select Equity Group, L.P.'s ownership history for CIEN

Select Equity Group, L.P. currently holds 15.1K shares with a market value of $3.5M. It started holding CIEN on 2025-03-31. At its peak, it held 83.5K shares on 2025-09-30. Its highest holding value was $12.2M on 2025-09-30. At its lowest, it held 15.1K shares on 2025-12-31, with a value of $3.5M on 2025-12-31. In the recent 180 days, Select Equity Group, L.P. has decreased its shares by 54.8K.