Institutional shares held 121 Million
2.98M calls
1.22M puts
Total value of holdings $23.2B
$571M calls
$233M puts
Market Cap $28.4B
148,142,000 Shares Out.
Institutional ownership 81.67%
# of Institutions 779


Latest Institutional Activity in CIEN

Top Purchases

Q3 2025
Price T Rowe Associates Inc Shares Held: 2.65M ($508M)
Q3 2025
Lone Pine Capital LLC Shares Held: 2.01M ($385M)
Q3 2025
Jpmorgan Chase & CO Shares Held: 6.46M ($1.24B)
Q3 2025
Arrowstreet Capital, Limited Partnership Shares Held: 1.14M ($219M)
Q3 2025
Citadel Advisors LLC Shares Held: 1.09M ($208M)

Top Sells

Q3 2025
Point72 Asset Management, L.P. Shares Held: 581K ($111M)
Q3 2025
Barrow Hanley Mewhinney & Strauss LLC Shares Held: 2.16M ($414M)
Q3 2025
Ion Asset Management Ltd. Shares Held: 212K ($40.6M)
Q3 2025
Senvest Management, LLC Shares Held: 867K ($166M)
Q3 2025
Rokos Capital Management LLP Shares Held: 368K ($70.6M)

About CIEN

Ciena Corporation provides network hardware, software, and services that support the transport, routing, switching, aggregation, service delivery, and management of video, data, and voice traffic on communications networks worldwide. The company's Networking Platforms segment offers hardware networking products and solutions that optimized for the convergence of coherent optical transport, optical transport network switching, and packet switching. Its products include 6500 Packet-Optical Platform, 5430 Reconfigurable Switching System, Waveserver stackable interconnect system, and the 6500 Reconfigurable line system, and the 5400 family of Packet-Optical platforms, as well as Z-Series Packet-Optical Platform; 3000 family of service delivery switches and service aggregation switches, and the 5000 family of service aggregation switches, as well as 8700 Packetwave Platform and the Ethernet packet configuration for the 5410 Service Aggregation Switch; and 6500 Packet Transport System. This segment also sells operating system software and enhanced software features embedded in each of its products. The company's Blue Planet Automation Software and Services segment provides multi-domain service orchestration, inventory, route optimization and analysis, network function virtualization orchestration, analytics, and related services. Its Platform Software and Service segment offers OneControl unified management system and platform software services, as well as manage, control, and plan software. The company's Global Services segment provides consulting and network design, installation and deployment, maintenance support, and training services. The company sells its products through direct and indirect sales channels to network operators. Ciena Corporation was founded in 1992 and is headquartered in Hanover, Maryland.


Insider Transactions at CIEN

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
470K Shares
From 19 Insiders
Grant, award, or other acquisition 426K shares
Bona fide gift 44.1K shares
Sell / Disposition
470K Shares
From 20 Insiders
Payment of exercise price or tax liability 152K shares
Open market or private sale 259K shares
Bona fide gift 59.2K shares

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