Ciena Corporation (CIEN)

Information Technology ยท Telephone & Telegraph Apparatus

Ciena Corporation (CIEN) is listed on the New York Stock Exchange, where its shares have traded since February 7, 1997. SentiSense covers Ciena Corporation in the Information Technology sector, and its Standard Industrial Classification is Telephone & Telegraph Apparatus. Gary B. Smith is its chief executive officer. The company reports 9,080 employees, and its corporate website is www.ciena.com.

About Ciena Corporation

Ciena is a leader in high-speed optical connectivity, providing systems, components, and automation software for telecom providers and enterprises, such as data centers, to enable long-distance connectivity. The company operates through four primary business segments: networking platforms, platform software and services, Blue Planet automation software, and global services. While telecom carriers remain important customers, cloud providers and hyperscalers now drive a significant portion of the business. To meet the demands of AI data centers, customers are adopting Ciena's WaveLogic 6 platform, the first to support 1.6 terabits-per-second capacity.

Latest reported results

Ciena Corporation reported revenue of $1.67 billion for Q3 FY2026, up 37.0% from the same period a year earlier.

Institutional ownership

In 13F filings for the quarter ended June 30, 2026, 1,211 institutions reported holding CIEN, with 131.5 million shares worth $64.1 billion in aggregate. The largest reported holders were FMR, Vanguard and BlackRock. Of the 5 largest reported holders, 3 added shares and 2 reduced their positions during the quarter.

More on CIEN

  • CIEN sentiment: whether news and social coverage of Ciena Corporation leans bullish or bearish, and the stories driving it.
  • CIEN ownership: all 1,211 reporting institutions, plus insider and congressional trades.
  • CIEN financials: revenue, net income, operating margin and free cash flow through Q3 FY2026.

SentiSense also tracks daily options readings for Ciena Corporation: IV rank, put/call percentile, 25-delta skew and open-interest walls.

Frequently asked questions

What does Ciena Corporation do?

Ciena is a leader in high-speed optical connectivity, providing systems, components, and automation software for telecom providers and enterprises, such as data centers, to enable long-distance connectivity.

What sector is CIEN in?

SentiSense classifies Ciena Corporation in the Information Technology sector, and its Standard Industrial Classification is Telephone & Telegraph Apparatus.

Where does CIEN stock trade?

Ciena Corporation (CIEN) is listed on the New York Stock Exchange, where its shares have traded since February 7, 1997.

Who is the CEO of Ciena Corporation?

Gary B. Smith is the chief executive officer of Ciena Corporation.