KERYX BIOPHARMACEUTICALS INC's ticker is and the CUSIP is 492515901. A total of 3 filers reported holding KERYX BIOPHARMACEUTICALS INC in Q2 2013. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2014 | $354,000 | +2.9% | 250 | 0.0% | 0.01% | -15.4% |
| Q3 2014 | $344,000 | -97.4% | 250 | -97.5% | 0.01% | -98.4% |
| Q4 2013 | $13,140,000 | +2271.8% | 10,147 | +1748.3% | 0.84% | +2227.8% |
| Q3 2013 | $554,000 | -18.9% | 549 | -39.9% | 0.04% | -21.7% |
| Q2 2013 | $683,000 | – | 914 | – | 0.05% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 421,800 | $3,151,000 | 0.08% |
| SABBY MANAGEMENT, LLC | 914 | $683,000 | 0.05% |
| Citadel Advisors | 28,200 | $211,000 | 0.00% |