CIENA CORP's ticker is and the CUSIP is 171779AK7. A total of 22 filers reported holding CIENA CORP in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $6,538,000 | – | 5,000,000 | – | 0.15% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|