CIENA CORP's ticker is and the CUSIP is 171779909. A total of 6 filers reported holding CIENA CORP in Q1 2019. The put-call ratio across all filers is - and the average weighting 0.0%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SIMPLEX TRADING, LLC | 1,332 | $4,973,000 | 0.01% |
| Hudson Bay Capital Management LP | 10,400 | $388,000 | 0.01% |
| IMC-Chicago, LLC | 28,900 | $1,079,000 | 0.00% |
| GROUP ONE TRADING, L.P. | 10,700 | $400,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| ADVENT CAPITAL MANAGEMENT /DE/ | 100 | $2,000 | 0.00% |