SIMPLEX TRADING, LLC - XENOPORT INC ownership

XENOPORT INC's ticker is and the CUSIP is 98411C950. A total of 2 filers reported holding XENOPORT INC in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of XENOPORT INC
ValueSharesWeighting
Q4 2015$13,000
-53.6%
327
+463.8%
0.00%
-50.0%
Q3 2015$28,000580.00%
Other shareholders
XENOPORT INC shareholders Q3 2015
NameSharesValueWeighting ↓
Citadel Advisors 700$4,0000.00%
View complete list of XENOPORT INC shareholders