CEMPRA INC's ticker is CEMP and the CUSIP is 15130J109. A total of 152 filers reported holding CEMPRA INC in Q3 2015. The put-call ratio across all filers is 0.66 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2016 | $24,782,000 | +48.0% | 1,024,063 | +0.8% | 0.81% | +32.7% |
| Q2 2016 | $16,750,000 | -6.3% | 1,015,763 | -0.4% | 0.61% | -6.0% |
| Q1 2016 | $17,867,000 | -12.3% | 1,019,823 | +55.9% | 0.65% | -7.3% |
| Q4 2015 | $20,370,000 | +55.4% | 654,343 | +39.0% | 0.70% | +72.7% |
| Q3 2015 | $13,107,000 | – | 470,800 | – | 0.41% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Abingworth LLP | 383,935 | $9,287,000 | 8.90% |
| Knoll Capital Management, LLC | 180,800 | $4,318,000 | 7.57% |
| Aisling Capital LLC | 1,193,060 | $28,872,000 | 5.95% |
| Palo Alto Investors LP | 2,844,483 | $68,836,000 | 4.00% |
| ACUTA CAPITAL PARTNERS, LLC | 210,000 | $5,082,000 | 1.91% |
| BB BIOTECH AG | 2,041,900 | $49,414,000 | 1.74% |
| KOPP INVESTMENT ADVISORS LLC | 71,140 | $1,722,000 | 1.70% |
| GENERAL AMERICAN INVESTORS CO INC | 514,409 | $12,449,000 | 1.27% |
| HARVEY CAPITAL MANAGEMENT INC | 133,825 | $3,238,000 | 1.00% |
| WILLIAM HARRIS INVESTORS INC | 131,045 | $3,171,000 | 0.86% |