Great Lakes Dredge & Dock CORP

GLDDDelisted Apr 1, 2026

Industry: Heavy Construction Other Than Bldg Const - Contractors
SEC CIK: 0001372020

SEC filings (opens in a new tab)

Great Lakes Dredge & Dock CORP was delisted on Apr 1, 2026; its insiders filed their last Form 4 on Apr 1, 2026; 182 institutions reported holding it in 13F filings for Q1 2026, worth $931.0M in total; no superinvestor held it.

Q4 2025 vs. Q3 2025

How the institutions holding Great Lakes Dredge & Dock CORP changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of GLDD: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	212	2	222	+12
Shares	54.9M	321.3K	56.0M	+1.42M (+2.6%)
Value	$657.8M	$3.85M	$734.8M	+$80.8M (+12.4%)

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (31)

Institutions that held Great Lakes Dredge & Dock CORP at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to GLDD in Q4 2025
Institution	Shares	Value	% of portfolio
Simcoe Capital LLC	377,684	$4.96M	4.67%
Nwam LLC	217,450	$3.24M	0.18%
Credit Agricole S A	88,400	$1.16M	0.00%
Martingale Asset Management L P	72,802	$955.2K	0.02%
Numerai GP LLC	60,925	$799.3K	0.10%
SEI Investments Co	54,243	$711.7K	0.00%
Canada Pension Plan Investment Board	43,100	$565.5K	0.00%
PCM Encore, LLC	24,529	$321.8K	0.07%
Inceptionr LLC	24,116	$316.4K	0.09%
Engineers Gate Manager LP	21,318	$279.7K	0.00%
Integrated Quantitative Investments LLC	20,523	$269.3K	0.06%
Jain Global LLC	16,683	$218.9K	0.00%
VARCOV Co.	15,744	$206.6K	0.08%
Ieq Capital, LLC	15,511	$203.5K	0.00%
State of Tennessee, Treasury Department	13,524	$202.6K	0.00%
Caxton Associates LLP	14,568	$191.1K	0.00%
Apollon Wealth Management, LLC	13,335	$175.0K	0.00%
Mirabaud & Cie SA	12,000	$157.4K	0.05%
Passumpsic Savings Bank	12,000	$157.4K	0.09%
Perigon Wealth Management, LLC	10,098	$132.5K	0.00%
New York State Teachers Retirement System	6,081	$80.0K	0.00%
Pinnacle Wealth Planning Services, Inc.	5,911	$77.6K	0.01%
Financial Management Professionals, Inc.	1,920	$25.2K	0.00%
HM Payson & Co	1,325	$17.4K	0.00%
Luminist Capital LLC	400	$5.25K	0.01%
Assetmark, Inc	123	$1.61K	0.00%
Los Angeles Capital Management LLC	105	$1.20K	0.00%
Global Retirement Partners, LLC	33	$433	0.00%
Jones Financial Companies LLLP	8	$105	0.00%
Northwestern Mutual Wealth Management Co	8	$105	0.00%
Huntington National Bank	1	$13	0.00%

Sold out (19)

Institutions that held Great Lakes Dredge & Dock CORP at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of GLDD in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Acuitas Investments, LLC	423,234	$5.07M
Empowered Funds, LLC	246,088	$2.95M
Davy Global Fund Management Ltd	59,260	$710.5K
Semanteon Capital Management, LP	47,420	$568.6K
Oxford Asset Management LLP	27,701	$332.1K
Man Group plc	19,914	$238.8K
Sherbrooke Park Advisers LLC	15,923	$190.9K
Balyasny Asset Management LLC	12,924	$155.0K
PharVision Advisers, LLC	11,525	$138.2K
HighTower Advisors, LLC	11,049	$132.5K
Caption Management, LLC	8,931	$107.1K
Quarry LP	1,908	$22.9K
Spire Wealth Management	1,775	$21.3K
Advisory Services Network, LLC	1,211	$14.5K
Aster Capital Management (DIFC) Ltd	511	$6.13K
McIlrath & Eck, LLC	466	$5.59K
Stone House Investment Management, LLC	200	$2.40K
North Star Investment Management Corp.	185	$2.22K
Clearstead Advisors, LLC	137	$1.64K

Not filed for Q4 2025 yet (2)

Institutions that held Great Lakes Dredge & Dock CORP at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding GLDD in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Cubist Systematic Strategies, LLC	316,452	$3.79M
Point72 (DIFC) Ltd	4,802	$57.6K