CEMPRA INC's ticker is and the CUSIP is 15130J909. A total of 3 filers reported holding CEMPRA INC in Q3 2014. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2016 | $7,306,000 | +188.2% | 3,019 | +96.4% | 0.27% | +107.6% |
| Q2 2016 | $2,535,000 | +38.6% | 1,537 | +47.2% | 0.13% | +45.1% |
| Q1 2016 | $1,829,000 | +56.3% | 1,044 | +177.7% | 0.09% | +42.2% |
| Q4 2015 | $1,170,000 | -88.5% | 376 | -89.7% | 0.06% | -84.7% |
| Q3 2015 | $10,159,000 | +490.3% | 3,649 | +628.3% | 0.42% | +565.1% |
| Q2 2015 | $1,721,000 | +30.3% | 501 | +30.1% | 0.06% | +14.5% |
| Q1 2015 | $1,321,000 | -77.8% | 385 | -84.8% | 0.06% | -70.7% |
| Q4 2014 | $5,962,000 | +378.1% | 2,536 | +122.8% | 0.19% | +291.7% |
| Q3 2014 | $1,247,000 | +365.3% | 1,138 | +355.2% | 0.05% | +336.4% |
| Q2 2014 | $268,000 | +91.4% | 250 | +106.6% | 0.01% | +37.5% |
| Q1 2014 | $140,000 | – | 121 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SABBY MANAGEMENT, LLC | 1,138 | $1,247,000 | 0.05% |
| GROUP ONE TRADING, L.P. | 48,200 | $528,000 | 0.01% |
| Citadel Advisors | 8,900 | $98,000 | 0.00% |