CEMPRA INC's ticker is CEMP and the CUSIP is 15130J109. A total of 155 filers reported holding CEMPRA INC in Q2 2015. The put-call ratio across all filers is 1.15 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2015 | $1,312,000 | -28.0% | 38,175 | -28.1% | 0.26% | -32.9% |
| Q1 2015 | $1,822,000 | -65.2% | 53,100 | -76.2% | 0.39% | -67.2% |
| Q4 2014 | $5,239,000 | -3.3% | 222,850 | -54.9% | 1.18% | -10.5% |
| Q3 2014 | $5,415,000 | +5.7% | 494,060 | +3.4% | 1.32% | +19.1% |
| Q2 2014 | $5,125,000 | +21.3% | 477,660 | +30.6% | 1.10% | +10.7% |
| Q1 2014 | $4,225,000 | +3.0% | 365,760 | +10.5% | 1.00% | -8.8% |
| Q4 2013 | $4,102,000 | -4.7% | 331,050 | -11.5% | 1.09% | -8.5% |
| Q3 2013 | $4,304,000 | +51.8% | 374,250 | +2.5% | 1.20% | +9.5% |
| Q2 2013 | $2,836,000 | – | 365,050 | – | 1.09% | – |
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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% |