A detailed history of Stephen Mandel (Lone Pine Capital LLC) transactions in Ciena Corp stock. As of the latest transaction made, Lone Pine Capital LLC holds 2,006,662 shares of CIEN stock, worth $385 Million. This represents 2.42% of its overall portfolio holdings.

Number of Shares
2,006,662
Holding current value
$385 Million
% of portfolio
2.42%

Shares

1 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025

BUY
$77.75 - $145.67 $156 Million - $292 Million
2,006,662 New
2,006,662 $292 Million

Others Institutions Holding CIEN

About CIENA CORP


  • Ticker CIEN
  • Exchange NYSE
  • Sector Technology
  • Industry Communication Equipment
  • Shares Outstandng 148,142,000
  • Market Cap $28.4B
  • Description
  • 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 t...
More about CIEN
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