CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

CHELSEA COUNSEL CO's Holding History (CIK: 0001276755)

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

Q4 2025
Shares 7 Value ($000) $2 Avg Close $194.00 Range $143.19 - $248.00
Q3 2025
Shares 7 Value ($000) $1 Avg Close $101.84 Range $76.89 - $146.53