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 | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $615,000 | -53.9% | 189,498 | -34.7% | 0.03% | -56.3% |
| Q2 2017 | $1,335,000 | -30.2% | 290,398 | -43.1% | 0.07% | -19.3% |
| Q1 2017 | $1,913,000 | +2073.9% | 510,274 | +1509.7% | 0.09% | +1660.0% |
| Q4 2016 | $88,000 | -98.8% | 31,700 | -85.4% | 0.01% | -98.0% |
| Q2 2015 | $7,453,000 | +38.3% | 216,921 | +38.1% | 0.25% | +33.9% |
| Q1 2015 | $5,390,000 | +43.1% | 157,103 | -1.9% | 0.19% | +31.9% |
| Q4 2014 | $3,766,000 | – | 160,209 | – | 0.14% | – |
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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% |