CEMPRA INC's ticker is CEMP and the CUSIP is 15130J109. A total of 134 filers reported holding CEMPRA INC in Q4 2016. The put-call ratio across all filers is 0.88 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $51,000 | -49.5% | 15,671 | -28.4% | 0.00% | -100.0% |
| Q2 2017 | $101,000 | -28.4% | 21,875 | -42.0% | 0.00% | -50.0% |
| Q1 2017 | $141,000 | +1.4% | 37,700 | -24.3% | 0.00% | +100.0% |
| Q4 2016 | $139,000 | -53.4% | 49,805 | +193.0% | 0.00% | -75.0% |
| Q1 2016 | $298,000 | -9.1% | 16,998 | +44.3% | 0.00% | -20.0% |
| Q3 2015 | $328,000 | -68.0% | 11,781 | -60.5% | 0.01% | -64.3% |
| Q2 2015 | $1,025,000 | +123.3% | 29,821 | +123.1% | 0.01% | +100.0% |
| Q1 2015 | $459,000 | +766.0% | 13,364 | +178.4% | 0.01% | +600.0% |
| Q3 2014 | $53,000 | – | 4,800 | – | 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% |