JPMORGAN CHASE & CO - 31 Dec 2025 SCHEDULE 13G Report for Ciena Corporation Common Stock, $0.01 par value (CIEN)

Filing Manager: JPMORGAN CHASE & CO
Reporting Manager: JPMORGAN CHASE & CO.
Security: Ciena Corporation Common Stock, $0.01 par value
Symbol: CIEN
Shares outstanding: 140,931,584 shares
Disclosed Ownership: 10,851,732 shares
Ownership: 7.7%
Form type: SCHEDULE 13G
Filing time: 21 Jan 2026, 08:13:39 UTC
Date of event: 31 Dec 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
JPMORGAN CHASE & CO.	7.7%	10,851,732	8,326,717	10,847	Rachel Tsvaygoft	Vice President