XENOPORT INC's ticker is XNPT and the CUSIP is 98411C100. A total of 87 filers reported holding XENOPORT INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2015 | $229,000 | -18.8% | 32,129 | 0.0% | 0.00% | – |
| Q4 2014 | $282,000 | +63.0% | 32,129 | 0.0% | 0.00% | – |
| Q3 2014 | $173,000 | +11.6% | 32,129 | 0.0% | 0.00% | – |
| Q2 2014 | $155,000 | -72.6% | 32,129 | -70.6% | 0.00% | – |
| Q1 2014 | $565,000 | -54.2% | 109,276 | -49.0% | 0.00% | -100.0% |
| Q4 2013 | $1,233,000 | +0.2% | 214,394 | -1.1% | 0.00% | 0.0% |
| Q3 2013 | $1,231,000 | +18.8% | 216,766 | +3.6% | 0.00% | 0.0% |
| Q2 2013 | $1,036,000 | – | 209,271 | – | 0.00% | – |
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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% |