Schedule 13G ownership disclosure
CIENA CORP
Common Stock · CUSIP: 171779309
Event date: 2025-03-31
- Filing-level shares
- 13,392,861
- Percent of class
- 9.4%
- BlackRock, Inc.
Shares: 13,392,861 · Class: 9.4%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0001576419-25-000718
- Form type
- SCHEDULE 13G/A
- Filer
- BlackRock, Inc.
- CIK
- CIK 2012383
- Filed
- Apr 17, 2025
- Reporting period
- Mar 31, 2025
- Description
- Schedule 13G beneficial ownership