CEMPRA INC's ticker is CEMP and the CUSIP is 15130J109. A total of 144 filers reported holding CEMPRA INC in Q1 2015. The put-call ratio across all filers is 0.89 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $1,134,000 | -29.3% | 349,000 | 0.0% | 0.01% | -31.6% |
| Q2 2017 | $1,605,000 | +17.5% | 349,000 | -4.2% | 0.02% | +11.8% |
| Q1 2017 | $1,366,000 | +121.0% | 364,300 | +1923.9% | 0.02% | +41.7% |
| Q2 2015 | $618,000 | +0.3% | 18,000 | +0.3% | 0.01% | -7.7% |
| Q1 2015 | $616,000 | -73.1% | 17,950 | -81.6% | 0.01% | -75.0% |
| Q4 2014 | $2,292,000 | +94.6% | 97,500 | -9.3% | 0.05% | +73.3% |
| Q3 2014 | $1,178,000 | +1.6% | 107,500 | -0.5% | 0.03% | 0.0% |
| Q2 2014 | $1,159,000 | -6.7% | 108,000 | +0.5% | 0.03% | -16.7% |
| Q1 2014 | $1,242,000 | -6.8% | 107,500 | 0.0% | 0.04% | -12.2% |
| Q4 2013 | $1,332,000 | +7.8% | 107,500 | 0.0% | 0.04% | -2.4% |
| Q3 2013 | $1,236,000 | +119.5% | 107,500 | +48.3% | 0.04% | +90.9% |
| Q2 2013 | $563,000 | – | 72,500 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Aisling Capital LLC | 2,193,060 | $68,270,000 | 11.77% |
| Abingworth LLP | 383,935 | $11,948,000 | 7.21% |
| ACUTA CAPITAL PARTNERS, LLC | 250,000 | $7,783,000 | 3.72% |
| Opaleye Management Inc. | 200,000 | $6,226,000 | 2.60% |
| Knoll Capital Management, LLC | 180,800 | $5,628,000 | 2.09% |
| Palo Alto Investors LP | 1,175,733 | $36,601,000 | 2.04% |
| BB BIOTECH AG | 1,991,900 | $62,008,000 | 1.75% |
| AlpInvest Partners B.V. | 31,400 | $977,000 | 1.62% |
| GENERAL AMERICAN INVESTORS CO INC | 494,409 | $15,391,000 | 1.41% |
| HARVEY CAPITAL MANAGEMENT INC | 112,250 | $3,494,000 | 1.38% |