XENOPORT INC's ticker is XNPT and the CUSIP is 98411C100. A total of 114 filers reported holding XENOPORT INC in Q2 2015. The put-call ratio across all filers is 5.38 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2016 | $64,000 | -22.9% | 14,150 | -6.6% | 0.02% | -24.0% |
| Q4 2015 | $83,000 | +48.2% | 15,150 | -6.2% | 0.02% | +38.9% |
| Q3 2015 | $56,000 | -21.1% | 16,150 | +63.0% | 0.02% | -10.0% |
| Q1 2015 | $71,000 | -20.2% | 9,910 | -2.5% | 0.02% | +11.1% |
| Q4 2014 | $89,000 | +888.9% | 10,165 | +485.9% | 0.02% | +800.0% |
| Q1 2014 | $9,000 | -70.0% | 1,735 | -71.5% | 0.00% | -60.0% |
| Q2 2013 | $30,000 | – | 6,090 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sand Grove Capital Management LLP | 945,000 | $6,634,000 | 4.15% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 11,572,125 | $81,468,000 | 3.20% |
| FIRST NEW YORK SECURITIES LLC /NY | 485,378 | $3,417,061,000 | 2.10% |
| LONGFELLOW INVESTMENT MANAGEMENT CO LLC | 656,595 | $4,622,000 | 1.64% |
| S. MUOIO & CO. LLC | 383,763 | $2,702,000 | 1.27% |
| Kassirer Asset Management Corp | 356,711 | $2,511,000 | 1.18% |
| ALPINE ASSOCIATES MANAGEMENT INC. | 2,708,948 | $19,071,000 | 0.68% |
| HAVENS ADVISORS LLC | 125,000 | $880,000 | 0.67% |
| Rock Springs Capital Management LP | 1,195,000 | $8,413,000 | 0.62% |
| WATER ISLAND CAPITAL LLC | 1,618,007 | $11,391,000 | 0.56% |