XENOPORT INC's ticker is and the CUSIP is 98411C950. A total of 2 filers reported holding XENOPORT INC in Q3 2014. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2016 | $149,000 | +365.6% | 21,100 | +257.6% | 0.00% | – |
| Q4 2015 | $32,000 | +88.2% | 5,900 | +18.0% | 0.00% | – |
| Q3 2015 | $17,000 | 0.0% | 5,000 | +85.2% | 0.00% | – |
| Q2 2015 | $17,000 | -19.0% | 2,700 | -6.9% | 0.00% | – |
| Q1 2015 | $21,000 | +425.0% | 2,900 | +625.0% | 0.00% | – |
| Q4 2014 | $4,000 | -42.9% | 400 | -69.2% | 0.00% | – |
| Q3 2014 | $7,000 | -36.4% | 1,300 | -43.5% | 0.00% | – |
| Q2 2014 | $11,000 | +1000.0% | 2,300 | +2200.0% | 0.00% | – |
| Q1 2014 | $1,000 | -75.0% | 100 | -85.7% | 0.00% | – |
| Q4 2013 | $4,000 | -92.7% | 700 | -92.7% | 0.00% | – |
| Q3 2013 | $55,000 | +103.7% | 9,600 | +77.8% | 0.00% | – |
| Q2 2013 | $27,000 | – | 5,400 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 19,100 | $103,000 | 0.00% |
| Citadel Advisors | 1,300 | $7,000 | 0.00% |