Spence Asset Management
- SEC CIK
- 0001729269
- Latest filing
- Jul 15, 2026
CIEN holding history
Ciena Corp in every 13F filed by Spence Asset Management, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
CIEN overviewAll 13F holders of CIENFull Q2 2026 holdings
- Shares (Q2 2026)
- 4,095
- Value
- $2.01M
- % of portfolio
- 0.5%
- Quarters held
- 2
- Since Q1 2026