GROUP ONE TRADING, L.P. - XYRATEX LTD ownership

XYRATEX LTD's ticker is and the CUSIP is G98268908. A total of 2 filers reported holding XYRATEX LTD in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of XYRATEX LTD
ValueSharesWeighting
Q4 2013$19,000
-36.7%
1,400
-48.1%
0.00%
-100.0%
Q3 2013$30,0002,7000.00%
Other shareholders
XYRATEX LTD shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 1,400$19,0000.00%
Citadel Advisors 1,900$25,0000.00%
View complete list of XYRATEX LTD shareholders