DIMENSIONAL FUND ADVISORS LP

Position in GLDD — Great Lakes Dredge & Dock CORP

CIK 354204 AUSTIN, TX

Back to GLDD Full portfolio

Position in GLDD

as of Mar 31, 2026 · filed May 7, 2026 Compact

Position Value

$57,568,324

+$1,150,857 QoQ

Shares Held

3,386,372

-21.2% QoQ

Ownership

5.07%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

of 181 holders

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 94.73368548995799.ToString("F0")% Shared 4.109471729626869.ToString("F0")% None 1.1568427804151464.ToString("F0")%

Common Shares in GLDD Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Mar 31, 2026

DIMENSIONAL FUND ADVISORS LP holds $4,289,122,921 across 36 Engineering & Construction names. GLDD ranks #24 (1.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	FIX	Comfort Systems USA Inc	279,947	$386,044,111
2	EME	EMCOR Group, Inc.	403,390	$297,826,868
3	PWR	Quanta Services, Inc.	514,382	$282,406,004
4	ACA	Arcosa, Inc.	2,316,687	$245,893,156
5	MTZ	Mastec Inc	731,650	$235,401,068
6	STRL	Sterling Infrastructure, Inc.	568,605	$231,575,756
7	IESC	IES Holdings, Inc.	457,949	$218,198,958
8	AGX	Argan Inc	397,962	$216,750,000

All Filings in GLDD

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$0	0	-100.0%	Shares	Sole	2026-07-14
2026-03-31	$57,568,324	3,386,372	-21.2%	Shares	Sole	2026-05-07
2025-12-31	$56,417,467	4,300,112	-0.5%	Shares	Sole	2026-02-12
2025-09-30	$51,835,777	4,323,251	+0.8%	Shares	Sole	2025-11-12
2025-06-30	$52,273,241	4,288,207	-1.1%	Shares	Sole	2025-08-12
2025-03-31	$37,735,777	4,337,446	-2.4%	Shares	Sole	2025-05-13
2024-12-31	$50,168,084	4,443,586	+0.5%	Shares	Sole	2025-02-13
2024-09-30	$46,555,402	4,421,216	-0.4%	Shares	Defined	2024-11-07
2024-06-30	$38,963,636	4,437,772	-0.2%	Shares	Sole	2024-08-09
2024-03-31	$38,926,920	4,448,791	+2.1%	Shares	Sole	2024-05-10
2023-12-31	$33,457,672	4,356,468	+4.6%	Shares	Sole	2024-02-07
2023-09-30	$33,190,386	4,164,415	+3.2%	Shares	Sole	2023-11-09
2023-06-30	$32,940,930	4,036,879	-0.1%	Shares	Sole	2023-08-09
2023-03-31	$21,940,842	4,040,671	-5.1%	Shares	Sole	2023-05-12
2022-12-31	$25,345,236	4,259,704	-2.0%	Shares	Sole	2023-02-09
2022-09-30	$32,935,423	4,345,043	+1.6%	Shares	Sole	2022-11-10
2022-06-30	$56,074,471	4,277,229	-0.1%	Shares	Sole	2022-08-12
2022-03-31	$60,044,401	4,279,715	-0.0%	Shares	Defined	2022-05-13
2021-12-31	$67,283,863	4,280,144	-1.3%	Shares	Defined	2022-02-09
2021-09-30	$65,434,118	4,336,257	-0.3%	Shares	Defined	2021-11-12
2021-06-30	$63,531,234	4,348,476	-5.5%	Shares	Defined	2021-08-12
2021-03-31	$67,107,701	4,602,723	-5.6%	Shares	Defined	2021-05-14
2020-12-31	$64,236,056	4,877,453	-1.6%	Shares	Defined	2021-03-08
2020-09-30	$47,144,484	4,957,359	-1.9%	Shares	Defined	2020-11-12
2020-06-30	$46,777,454	5,051,561	+0.0%	Shares	Defined	2020-08-13
2020-03-31	$41,908,808	5,049,254	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.