Arrowstreet Capital’s Xoma XOMA Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2014 Q2	–	Sell	-240,590	Closed	-$1.25M	–	1205
2014 Q1	$1.25M	Buy	+240,590	New	+$1.25M	0.01%	774
2013 Q3	–	Sell	-35,458	Closed	-$129K	–	1137
2013 Q2	$129K	Buy	+35,458	New	+$129K	﹤0.01%	754