CEMPRA INC's ticker is and the CUSIP is 15130J959. A total of 3 filers reported holding CEMPRA INC in Q3 2016. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2016 | $15,302,000 | +296.5% | 6,323 | +170.2% | 0.57% | +185.1% |
| Q2 2016 | $3,859,000 | +227.9% | 2,340 | +248.2% | 0.20% | +240.7% |
| Q1 2016 | $1,177,000 | -8.9% | 672 | +61.9% | 0.06% | -16.9% |
| Q4 2015 | $1,292,000 | -57.1% | 415 | -61.6% | 0.07% | -42.7% |
| Q3 2015 | $3,012,000 | +69.8% | 1,082 | +109.3% | 0.12% | +67.6% |
| Q1 2015 | $1,774,000 | -63.8% | 517 | -75.2% | 0.07% | -52.3% |
| Q4 2014 | $4,895,000 | +319.1% | 2,082 | +95.3% | 0.16% | +244.4% |
| Q3 2014 | $1,168,000 | – | 1,066 | – | 0.04% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 63,700 | $2,189,000 | 0.03% |
| SIMPLEX TRADING, LLC | 142 | $67,000 | 0.01% |
| Citadel Advisors | 45,400 | $1,560,000 | 0.00% |