CEMPRA INC's ticker is CEMP and the CUSIP is 15130J109. A total of 52 filers reported holding CEMPRA INC in Q2 2013. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $255,000 | -29.6% | 78,600 | 0.0% | 0.00% | – |
| Q2 2017 | $362,000 | +3.7% | 78,600 | -15.5% | 0.00% | – |
| Q1 2017 | $349,000 | +16.3% | 93,000 | -13.2% | 0.00% | – |
| Q4 2016 | $300,000 | -82.0% | 107,200 | +55.6% | 0.00% | -100.0% |
| Q3 2016 | $1,667,000 | +50.5% | 68,900 | +2.5% | 0.00% | 0.0% |
| Q2 2016 | $1,108,000 | +48.7% | 67,200 | +58.1% | 0.00% | 0.0% |
| Q1 2016 | $745,000 | -43.7% | 42,500 | 0.0% | 0.00% | 0.0% |
| Q4 2015 | $1,323,000 | +9.7% | 42,500 | -1.9% | 0.00% | 0.0% |
| Q3 2015 | $1,206,000 | -19.1% | 43,320 | -0.2% | 0.00% | 0.0% |
| Q2 2015 | $1,491,000 | +18.7% | 43,400 | +18.6% | 0.00% | 0.0% |
| Q1 2015 | $1,256,000 | +3951.6% | 36,600 | +2715.4% | 0.00% | – |
| Q4 2014 | $31,000 | +121.4% | 1,300 | 0.0% | 0.00% | – |
| Q3 2014 | $14,000 | -50.0% | 1,300 | -50.0% | 0.00% | – |
| Q2 2014 | $28,000 | +833.3% | 2,600 | +1006.4% | 0.00% | – |
| Q1 2014 | $3,000 | -91.2% | 235 | -91.5% | 0.00% | – |
| Q4 2013 | $34,000 | -27.7% | 2,759 | -32.0% | 0.00% | – |
| Q3 2013 | $47,000 | +23.7% | 4,059 | -16.6% | 0.00% | – |
| Q2 2013 | $38,000 | – | 4,869 | – | 0.00% | – |
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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% |