Tobam
- SEC CIK
- 0001527488
- Latest filing
- Jul 31, 2026
CIEN holding history
Ciena Corp in every 13F filed by Tobam, 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 (Q4 2022)
- 0
- Sold out in Q4 2022
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 7
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2022 | 0 | $0 | 0.0% | −993−100.0% | Sold out | Holders |
| Q3 2022 | 993 | $40.0K | <0.1% | −2,558−72.0% | Reduced | Holders |
| Q2 2022 | 3,551 | $162.0K | <0.1% | +1,370+62.8% | Added | Holders |
| Q1 2022 | 2,181 | $132.0K | <0.1% | +1,967+919.2% | Added | Holders |
| Q4 2021 | 214 | $16.0K | <0.1% | −535−71.4% | Reduced | Holders |
| Q3 2021 | 749 | $38.0K | <0.1% | 00.0% | Unchanged | Holders |
| Q2 2021 | 749 | $43.0K | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2021 | 749 | $41.0K | <0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.