CIENA CORP's ticker is and the CUSIP is 171779AK7. A total of 18 filers reported holding CIENA CORP in Q1 2018. The put-call ratio across all filers is - and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $21,130,000,000 | -7.7% | 15,000,000 | -14.3% | 0.41% | +0.5% |
| Q4 2017 | $22,881,000,000 | -11.6% | 17,500,000 | -10.3% | 0.40% | +7.7% |
| Q3 2017 | $25,892,000,000 | -16.7% | 19,500,000 | -11.4% | 0.38% | -26.0% |
| Q2 2017 | $31,085,000,000 | +1001.9% | 22,000,000 | +1000.0% | 0.51% | +936.7% |
| Q2 2015 | $2,821,000,000 | -50.5% | 2,000,000 | -55.6% | 0.05% | -59.8% |
| Q1 2015 | $5,701,000,000 | -49.0% | 4,500,000 | -50.0% | 0.12% | -37.1% |
| Q4 2014 | $11,182,000,000 | – | 9,000,000 | – | 0.19% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|