CIENA CORP's ticker is and the CUSIP is 171779909. A total of 5 filers reported holding CIENA CORP in Q3 2019. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $21,000 | – | 106 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 111,200 | $4,362,000 | 0.04% |
| SIMPLEX TRADING, LLC | 888 | $3,483,000 | 0.01% |
| TWO SIGMA SECURITIES, LLC | 25,200 | $989,000 | 0.01% |
| IMC-Chicago, LLC | 55,700 | $2,185,000 | 0.01% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |