Ciena

Ciena

Communications Equipment
Ciena is a telecommunications equipment provider focused on optical transport technologies, with clients in a number of industries such as communication services providers, web-scale providers, cable operators, government, and large enterprises worldwide. The company provides equipment, software, and services that support transport, switching, aggregation, service delivery, and data traffic management.

$36.3B

Market Cap • 1/8/2026

1992

(34 years)

Founded

1997

(29 years ago)

IPO

NYSE

Listing Exchange

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United States

Country