CEMPRA INC's ticker is CEMP and the CUSIP is 15130J109. A total of 146 filers reported holding CEMPRA INC in Q2 2016. The put-call ratio across all filers is 0.64 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $15,000 | -31.8% | 4,801 | 0.0% | 0.00% | – |
| Q2 2017 | $22,000 | +22.2% | 4,801 | 0.0% | 0.00% | – |
| Q1 2017 | $18,000 | +38.5% | 4,801 | 0.0% | 0.00% | – |
| Q4 2016 | $13,000 | -94.4% | 4,801 | -50.0% | 0.00% | – |
| Q3 2016 | $232,000 | +193.7% | 9,602 | +100.0% | 0.00% | – |
| Q2 2016 | $79,000 | -6.0% | 4,801 | 0.0% | 0.00% | – |
| Q1 2016 | $84,000 | +15.1% | 4,801 | +103.8% | 0.00% | – |
| Q4 2015 | $73,000 | +10.6% | 2,356 | 0.0% | 0.00% | – |
| Q3 2015 | $66,000 | -27.5% | 2,356 | -11.3% | 0.00% | – |
| Q2 2015 | $91,000 | +1.1% | 2,657 | 0.0% | 0.00% | – |
| Q1 2015 | $90,000 | – | 2,657 | – | 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% |