CEMPRA INC's ticker is CEMP and the CUSIP is 15130J109. A total of 135 filers reported holding CEMPRA INC in Q1 2016. The put-call ratio across all filers is 0.90 and the average weighting 0.2%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q4 2016 | $62,000 | -98.5% | 22,321 | -87.3% | 0.00% | -98.5% |
Q3 2016 | $4,247,000 | +51.5% | 175,503 | +3.2% | 0.27% | +41.2% |
Q2 2016 | $2,803,000 | +6.7% | 170,000 | +13.3% | 0.19% | -16.0% |
Q1 2016 | $2,628,000 | -91.9% | 150,000 | -87.1% | 0.23% | -82.2% |
Q3 2015 | $32,434,000 | +64.9% | 1,165,000 | +103.5% | 1.30% | +9.4% |
Q2 2015 | $19,671,000 | +0.1% | 572,500 | 0.0% | 1.18% | -22.3% |
Q1 2015 | $19,642,000 | +237.5% | 572,500 | +131.3% | 1.53% | +212.7% |
Q4 2014 | $5,819,000 | +274.5% | 247,500 | +23.8% | 0.49% | +210.8% |
Q2 2013 | $1,554,000 | – | 200,000 | – | 0.16% | – |
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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% |