CIEN Ciena Corporation
NYSEActiveCommon stock
CIEN is the ticker symbol of Ciena Corporation, which is listed on NYSE.
CIEN at a glance
- Symbol
- CIEN
- Company / issuer
- Ciena Corporation
- Security type
- Common stock
- Exchange
- NYSE
- Status
- Actively traded
- Seen in listing files
- Apr 2015 – present
- Sector
- Utilities
- Industry
- Telecommunications Equipment
- Country
- United States
- IPO year
- 1997
- Market cap
- $50.8 billion (Sep 2026)
Ciena Corporation company profile
- Industry (SIC)
- Telephone & Telegraph Apparatus
- Headquarters
- Hanover, MD
- Incorporated in
- MD
- Fiscal year end
- October 31
- SEC filer category
- Large accelerated filer
- Latest annual report
- 10-K filed 2025-12-12
- Latest interim report
- 10-Q filed 2026-09-03
- SEC CIK
- 936395
Source: SEC EDGAR filer data.
CIEN price chart
Interactive chart provided by TradingView (loads third-party scripts).
Frequently asked questions
What company has the ticker symbol CIEN?
CIEN is the ticker symbol of Ciena Corporation on NYSE.
Is CIEN still trading?
Yes. CIEN appears in the current NYSE listings as of Sep 2026.
Which exchange is CIEN listed on?
CIEN is listed on NYSE.
Nearby symbols
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