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CIEN·NYSE·US

Ciena

Ciena is a networking equipment and software company focused on optical transport, packet networking, and related automation tools. It sells systems and services to communications service providers, cloud operators, and large enterprises that need high-capacity network connectivity.

Recent Activity

Updated Oct 31, 2026
–Ciena CEO Gary Smith told the WSJ that AI infrastructure needs have been 'grossly underestimated' and that he expects 30% annual growth through 2029.

Past updates are part of the Pro plan.

Thematic Position

CIEN

Relationship Groups

Suppliers2
Customers2
Competitors11

Relationship details are part of the Pro plan.

Recent Discoveries

Recent discoveries are part of the Pro plan.

Management Perspective on Regulatory & Geopolitical Developments

global minimum taxstate aid
OECD Pillar Two global minimum tax of 15% enacted in countries where Ciena operates
SEC 10-QMar 5, 2026

The full regulatory passage is part of the Pro plan.

3 more · Regulatory and geopolitical insights are part of the Pro plan.

Disclosed customers above 10% of revenue

1 customer · Named major customers are part of the Pro plan.