SEC 13F Intelligence

Lone Pine Capital LLC / CIEN

Lone Pine Capital LLC’s Ciena Corp Position

Does Lone Pine Capital LLC own Ciena Corp (CIEN)? Yes809.5K shares worth $314M (+2.51% of its 13F portfolio) as of Q1 2026, down from 2.01M shares the prior filed quarter.

Position Value
$314M
Q1 2026
Shares
809.5K
% of Portfolio
+2.51%
Quarters Held
2
currently held

Position History CIEN

Reported value by quarter
Q3 ’25: $292MQ3 ’25Q1 ’26: $314MQ1 ’26filingsflow.com
QuarterSharesValue% of Portfolio
Q1 2026809.5K$314M+2.51%
Q3 20252.01M$292M+2.13%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Lone Pine Capital LLC’s full portfolio or all institutional holders of CIEN.