Great Lakes Dredge & Dock CORP (GLDD) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

67,347,000Shares Outstanding

56,935,213Shares held by institutions

$0Value of institutional holdings

84.54%Institutional ownership %

2.12%Shares Changed QoQ

219No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

These investors collectively held 83.5% of Great Lakes Dredge & Dock's outstanding shares in December 2025, down from 84.6% in September 2025.

They increased total shares held in Great Lakes Dredge & Dock by 1.31% from last quarter, and the number of investors in GLDD increased 14.06% annually.
During the quarter, 107 of these 219 funds increased positions in GLDD, 82 reduced exposure, and 30 held steady.
Altogether, these fund groups held 56.25Mn shares in GLDD by December 2025, up by 725.92K shares quarter on quarter, and down 7.06Mn shares year over year.
BlackRock, Inc. is the top holder of Great Lakes Dredge & Dock as of December 31, 2025, with 6.9Mn shares representing 10.24% of outstanding stock.
The largest buyers of Great Lakes Dredge & Dock for the quarter ending December 2025 were Goldman Sachs Group Inc (982.05K), MILLENNIUM MANAGEMENT LLC (451.35K), Simcoe Capital LLC (377.68K), Point72 Asset Management, L.P. (326.26K), Qube Research & Technologies Ltd (248.73K).
The largest sellers of Great Lakes Dredge & Dock for the quarter ending December 2025 were Jpmorgan Chase & Co (1.11Mn), JENNISON ASSOCIATES LLC (467.76K), TUDOR INVESTMENT CORP ET AL (439.76K), NEXT CENTURY GROWTH INVESTORS LLC (416.3K), PRIVATE MANAGEMENT GROUP INC (222.03K).
Business Quant data shows the 10 biggest positions in Great Lakes Dredge & Dock as of December 2025 are held by BlackRock, Inc. (6.9Mn), DIMENSIONAL FUND ADVISORS LP (4.3Mn), VANGUARD GROUP INC (3.99Mn), JENNISON ASSOCIATES LLC (3.81Mn), Harvey Partners, LLC (3.7Mn), AMERICAN CENTURY COMPANIES INC (2.58Mn), TCW GROUP INC (1.87Mn), GEODE CAPITAL MANAGEMENT, LLC (1.63Mn), MILLENNIUM MANAGEMENT LLC (1.6Mn), State Street Corp (1.59Mn).

219 Institutional Holders

56,935,213 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	6,896,851	-40,505	-0.58%	$90,486,685.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	4,300,112	-23,139	-0.54%	$56,417,781.00
VANGUARD GROUP INC	31 Dec, 2025	3,987,334	108,033	2.78%	$52,313,822.00
JENNISON ASSOCIATES LLC	31 Dec, 2025	3,806,504	-467,764	-10.94%	$49,941,331.00
Harvey Partners, LLC	31 Dec, 2025	3,703,215	2,664	0.07%	$48,586,181.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	2,584,604	172,137	7.14%	$33,910,004.00
TCW GROUP INC	31 Dec, 2025	1,874,234	0	0.00%	$24,589,950.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,630,411	-4,080	-0.25%	$21,394,690.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	1,597,481	451,346	39.38%	$20,958,951.00
State Street Corp	31 Dec, 2025	1,589,380	-27,973	-1.73%	$20,852,666.00
Minerva Advisors LLC	31 Dec, 2025	1,389,807	0	0.00%	$18,234,267.00
Goldman Sachs Group Inc	31 Dec, 2025	1,269,440	982,054	341.72%	$16,655,052.00
Morgan Stanley	31 Dec, 2025	1,019,618	222,166	27.86%	$13,377,389.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	796,209	-7,377	-0.92%	$10,446,262.00
Jpmorgan Chase & Co	31 Dec, 2025	668,280	-1,109,198	-62.40%	$8,767,834.00
Northern Trust Corp	31 Dec, 2025	636,980	-58,177	-8.37%	$8,357,178.00
Qube Research & Technologies Ltd	31 Dec, 2025	630,098	248,733	65.22%	$8,266,886.00
BNP PARIBAS FINANCIAL MARKETS	31 Dec, 2025	589,172	159,339	37.07%	$7,729,937.00
LONDON CO OF VIRGINIA	31 Dec, 2025	584,424	0	0.00%	$7,667,643.00
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.	31 Dec, 2025	576,870	0	0.00%	$7,568,534.00

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