CIENA CORP's ticker is and the CUSIP is 171779909. A total of 5 filers reported holding CIENA CORP in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $8,000 | – | 6,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 237,800 | $6,304,000 | 0.05% |
| SIMPLEX TRADING, LLC | 607 | $1,609,000 | 0.01% |
| ADVENT CAPITAL MANAGEMENT /DE/ | 200 | $4,000 | 0.00% |