CEMPRA INC's ticker is CEMP and the CUSIP is 15130J109. A total of 140 filers reported holding CEMPRA INC in Q4 2015. The put-call ratio across all filers is 0.27 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $75,000 | -29.2% | 23,006 | 0.0% | 0.00% | – |
| Q2 2017 | $106,000 | +65.6% | 23,006 | +34.1% | 0.00% | – |
| Q1 2017 | $64,000 | +33.3% | 17,158 | 0.0% | 0.00% | – |
| Q4 2016 | $48,000 | -99.7% | 17,158 | -97.4% | 0.00% | -100.0% |
| Q3 2016 | $16,030,000 | +7.8% | 662,365 | -26.6% | 0.03% | -18.9% |
| Q2 2016 | $14,875,000 | +17.2% | 902,065 | +24.5% | 0.04% | +19.4% |
| Q1 2016 | $12,695,000 | -19.4% | 724,602 | +43.3% | 0.03% | -18.4% |
| Q4 2015 | $15,746,000 | +41.2% | 505,807 | +26.3% | 0.04% | +35.7% |
| Q3 2015 | $11,152,000 | +5.9% | 400,582 | +30.7% | 0.03% | +16.7% |
| Q2 2015 | $10,534,000 | +3.6% | 306,580 | +3.5% | 0.02% | +4.3% |
| Q1 2015 | $10,164,000 | +53.3% | 296,230 | +5.1% | 0.02% | +53.3% |
| Q4 2014 | $6,628,000 | – | 281,900 | – | 0.02% | – |
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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% |