CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Mirae Asset Global Investments Co., Ltd.'s Holding History (CIK: 0001569395)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 32,363 Value ($000) $7,569 Avg Close $194.00 Range $143.19 - $248.00
Q1 2025
Shares 4,851 Value ($000) $299 Avg Close $79.05 Range $58.04 - $101.44
Q4 2024
Shares 15,389 Value ($000) $1,308 Avg Close $71.76 Range $59.60 - $91.82