Great Lakes Dredge & Dock Corp (GLDD)

Market is closed

Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	7,163,887	$62,325,815	0%
2.	Jennison Associates Llc	5,310,894	$46,204,777	0.03%
3.	Vanguard Group Inc	3,907,174	$33,992,413	0%
4.	Tcw Group Inc	2,153,534	$18,735,746	0.17%
5.	Private Management Group Inc	1,142,542	$9,940,115	0.36%