XENOPORT INC's ticker is and the CUSIP is 98411C950. A total of 2 filers reported holding XENOPORT INC in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2016 | $61,000 | +8.9% | 8,600 | -31.2% | 0.00% | 0.0% |
| Q1 2016 | $56,000 | +833.3% | 12,500 | +1150.0% | 0.00% | – |
| Q2 2015 | $6,000 | -96.6% | 1,000 | -95.0% | 0.00% | -100.0% |
| Q4 2014 | $176,000 | +70.9% | 20,100 | +5.2% | 0.00% | +50.0% |
| Q3 2014 | $103,000 | +10200.0% | 19,100 | +6266.7% | 0.00% | – |
| Q2 2014 | $1,000 | -94.4% | 300 | -90.3% | 0.00% | – |
| Q3 2013 | $18,000 | 0.0% | 3,100 | -13.9% | 0.00% | – |
| Q2 2013 | $18,000 | – | 3,600 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 20,100 | $176,000 | 0.00% |
| Citadel Advisors | 400 | $4,000 | 0.00% |