CEMPRA INC's ticker is CEMP and the CUSIP is 15130J109. A total of 152 filers reported holding CEMPRA INC in Q3 2015. The put-call ratio across all filers is 0.66 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $34,000 | -97.2% | 12,170 | -76.1% | 0.00% | -100.0% |
| Q3 2016 | $1,235,000 | +265.4% | 51,020 | +148.6% | 0.00% | +200.0% |
| Q2 2016 | $338,000 | -17.0% | 20,520 | -11.6% | 0.00% | 0.0% |
| Q1 2016 | $407,000 | +9.1% | 23,220 | +94.0% | 0.00% | 0.0% |
| Q4 2015 | $373,000 | -11.8% | 11,967 | -2.8% | 0.00% | -50.0% |
| Q2 2015 | $423,000 | +4.2% | 12,310 | +4.1% | 0.00% | 0.0% |
| Q1 2015 | $406,000 | – | 11,820 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| BOGLE INVESTMENT MANAGEMENT L P /DE/ | 709,518 | $2,660,000 | 0.18% |
| PDT Partners, LLC | 517,400 | $1,940,000 | 0.10% |
| A.R.T. Advisors, LLC | 510,274 | $1,913,000 | 0.09% |
| Bellevue Group AG | 165,000 | $619,000 | 0.08% |
| WITTENBERG INVESTMENT MANAGEMENT, INC. | 44,000 | $165,000 | 0.08% |
| Palo Alto Investors LP | 340,320 | $1,276,000 | 0.06% |
| Alambic Investment Management, L.P. | 126,545 | $475,000 | 0.06% |
| FRANKLIN STREET ADVISORS INC /NC | 85,250 | $320,000 | 0.06% |
| South Dakota Investment Council | 706,207 | $2,648,000 | 0.05% |
| TWO SIGMA SECURITIES, LLC | 65,980 | $247,000 | 0.05% |