CIENA CORP's ticker is and the CUSIP is 171779959. A total of 4 filers reported holding CIENA CORP in Q2 2013. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2013 | $1,086,000 | – | 55,900 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| IMC-Chicago, LLC | 82,500 | $4,360,000 | 0.01% |
| SIMPLEX TRADING, LLC | 718 | $3,794,000 | 0.01% |
| GROUP ONE TRADING, L.P. | 27,000 | $1,427,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |