CEMPRA INC's ticker is CEMP and the CUSIP is 15130J109. A total of 113 filers reported holding CEMPRA INC in Q4 2014. The put-call ratio across all filers is 0.32 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $185,000 | -29.1% | 56,815 | 0.0% | 0.00% | 0.0% |
| Q2 2017 | $261,000 | +107.1% | 56,815 | +69.2% | 0.00% | 0.0% |
| Q1 2017 | $126,000 | +34.0% | 33,585 | 0.0% | 0.00% | – |
| Q4 2016 | $94,000 | -86.8% | 33,585 | +14.4% | 0.00% | -100.0% |
| Q3 2016 | $710,000 | +59.6% | 29,359 | +8.7% | 0.00% | +50.0% |
| Q2 2016 | $445,000 | +11.5% | 27,011 | +18.6% | 0.00% | 0.0% |
| Q1 2016 | $399,000 | -39.3% | 22,768 | +8.0% | 0.00% | -33.3% |
| Q4 2015 | $657,000 | +14.3% | 21,091 | +2.0% | 0.00% | 0.0% |
| Q3 2015 | $575,000 | -19.0% | 20,670 | 0.0% | 0.00% | 0.0% |
| Q2 2015 | $710,000 | -5.6% | 20,670 | -5.7% | 0.00% | 0.0% |
| Q1 2015 | $752,000 | +72.1% | 21,928 | +17.9% | 0.00% | +50.0% |
| Q4 2014 | $437,000 | +127.6% | 18,603 | +6.3% | 0.00% | +100.0% |
| Q3 2014 | $192,000 | +3.2% | 17,502 | +1.2% | 0.00% | 0.0% |
| Q2 2014 | $186,000 | +5.1% | 17,290 | +12.9% | 0.00% | 0.0% |
| Q1 2014 | $177,000 | -5.9% | 15,316 | +1.2% | 0.00% | 0.0% |
| Q4 2013 | $188,000 | +6.2% | 15,135 | -1.9% | 0.00% | 0.0% |
| Q3 2013 | $177,000 | +247.1% | 15,421 | +139.0% | 0.00% | – |
| Q2 2013 | $51,000 | – | 6,453 | – | 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% |