CEMPRA INC's ticker is CEMP and the CUSIP is 15130J109. A total of 144 filers reported holding CEMPRA INC in Q1 2015. The put-call ratio across all filers is 0.89 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2017 | $3,149,000 | +18.4% | 684,718 | -3.5% | 0.23% | +24.3% |
| Q1 2017 | $2,660,000 | +850.0% | 709,518 | +607.0% | 0.18% | +873.7% |
| Q4 2016 | $280,000 | -87.4% | 100,350 | +55.5% | 0.02% | -88.5% |
| Q2 2015 | $2,216,000 | -87.6% | 64,514 | -87.6% | 0.16% | -86.6% |
| Q1 2015 | $17,885,000 | +1715.7% | 521,289 | +508.1% | 1.23% | +1132.0% |
| Q3 2013 | $985,000 | – | 85,731 | – | 0.10% | – |
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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% |