Marshall Wace North America’s Great Lakes Dredge & Dock GLDD Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2017 Q4	–	Sell	-13,000	Closed	-$65K	–	1446
2017 Q3	$65K	Buy	+13,000	New	+$65K	﹤0.01%	1203
2013 Q4	–	Sell	-33,578	Closed	-$249K	–	749
2013 Q3	$249K	Sell	33,578 -8,001	-19%	-$59.3K	0.01%	534
2013 Q2	$325K	Buy	+41,579	New	+$325K	0.03%	355