<SEC-DOCUMENT>0000053417-22-000006-index.html : 20220210
<SEC-HEADER>0000053417-22-000006.hdr.sgml : 20220210
<ACCEPTANCE-DATETIME>20220210101225
ACCESSION NUMBER:		0000053417-22-000006
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20220210
DATE AS OF CHANGE:		20220210

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Great Lakes Dredge & Dock CORP
		CENTRAL INDEX KEY:			0001372020
		STANDARD INDUSTRIAL CLASSIFICATION:	HEAVY CONSTRUCTION OTHER THAN BUILDING CONST - CONTRACTORS [1600]
		IRS NUMBER:				205336063
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-82317
		FILM NUMBER:		22611761

	BUSINESS ADDRESS:	
		STREET 1:		9811 KATY FREEWAY
		STREET 2:		SUITE 1200
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77024
		BUSINESS PHONE:		(346) 359-1010

	MAIL ADDRESS:	
		STREET 1:		9811 KATY FREEWAY
		STREET 2:		SUITE 1200
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77024

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Great Lakes Dredge & Dock Holdings Corp.
		DATE OF NAME CHANGE:	20060808

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			JENNISON ASSOCIATES LLC
		CENTRAL INDEX KEY:			0000053417
		IRS NUMBER:				132631108
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		466 LEXINGTON AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2124211000

	MAIL ADDRESS:	
		STREET 1:		466 LEXINGTON AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	JENNISON ASSOCIATES CAPITAL CORP
		DATE OF NAME CHANGE:	19940511
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>GLDD1221.txt
<DESCRIPTION>13G AMENDED ANNUAL FILING (GLDD)
<TEXT>
Document 1 - file: GLDD1221.txt

</DOCUMENT>
</SEC-DOCUMENT>