Marshall Wace’s CUBIST PHARMACEUTICALS INC CBST Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2015 Q1	–	Sell	-30,904	Closed	-$3.11M	–	1064
2014 Q4	$3.11M	Buy	+30,904	New	+$3.11M	0.04%	388
2014 Q3	–	Sell	-36,696	Closed	-$2.56M	–	1188
2014 Q2	$2.56M	Buy	+36,696	New	+$2.56M	0.04%	359