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Who owns CIEN stock?
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Who owns CIEN stock?
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CIEN Ownership & Insider Activity

Institutional Ownership

Top Holders

HolderSharesValue
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A

Recent Insider Trades

NameTypeSharesDate
SMITH GARY B3.0K2026-05-15
Rothenstein David M2.5K2026-05-15
Gage Brodie1.2K2026-05-15
SMITH GARY B3.0K2026-05-01
Rothenstein David M2.5K2026-04-15
DiPerna Dino1.5K2026-04-15
Gage Brodie1.2K2026-04-15
DiPerna Dino1.3K2026-04-15
SMITH GARY B3.0K2026-04-15
Phipps Jason7502026-04-01
Insider Trades 13F Holdings CIEN Overview
What is CIEN institutional ownership? Who is the largest shareholder of CIEN? Are insiders buying or selling CIEN? What hedge funds own CIEN?

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms