Great Lakes Dredge & Dock CORP (GLDD) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

68,169,231Shares Outstanding

4,692,217Shares held by institutions

$79,063,856Value of institutional holdings

81.96%Institutional ownership %

4.62%Shares Changed QoQ

213No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Great Lakes Dredge & Dock CORP (NASDAQ:GLDD) includes 213 filers as of the latest reporting cycle ending December 2025.

These investors collectively held 82.0% of the company's total shares outstanding in December 2025, up from 80.6% in September 2025.
On a quarter-over-quarter basis, institutional holdings shifted by 4.62%, with a year-over-year an increase of 10.36% in the count of filers.
A review of institutional activity for Great Lakes Dredge & Dock shows 108 of 213 filers increasing their positions, while 75 reduced their stake, and 30 remained unchanged.
Collectively, institutional investors increased their stake in Great Lakes Dredge & Dock to 55.87Mn shares as of December 2025, a change that is up by 2.47Mn shares quarter on quarter and up 282.90K shares year over year.
With 6.90Mn shares, BlackRock, Inc. commands the largest institutional position in Great Lakes Dredge & Dock as of December 31, 2025, equating to 10.12% of the company.
Among the most significant buyers of Great Lakes Dredge & Dock during December 2025 were MILLENNIUM MANAGEMENT LLC (451.35K), Simcoe Capital LLC (377.68K), GOLDMAN SACHS GROUP INC (347.33K), Point72 Asset Management, L.P. (326.25K), Qube Research & Technologies Ltd (248.73K).
Leading sellers of Great Lakes Dredge & Dock stock in December 2025 included JENNISON ASSOCIATES LLC (467.76K), NEXT CENTURY GROWTH INVESTORS LLC (416.30K), PRIVATE MANAGEMENT GROUP INC (222.03K), JPMORGAN CHASE & CO (220.46K), TUDOR INVESTMENT CORP ET AL (153.64K).
The top 10 institutional holders of Great Lakes Dredge & Dock for the quarter ending December 2025 included BlackRock, Inc. (6.90Mn), DIMENSIONAL FUND ADVISORS LP (4.30Mn), VANGUARD GROUP INC (3.99Mn), JENNISON ASSOCIATES LLC (3.81Mn), Harvey Partners, LLC (3.70Mn), AMERICAN CENTURY COMPANIES INC (2.58Mn), TCW GROUP INC (1.87Mn), GEODE CAPITAL MANAGEMENT, LLC (1.63Mn), MILLENNIUM MANAGEMENT LLC (1.60Mn), STATE STREET CORP (1.59Mn).

213 Institutional Holders

4,692,217 Total Shares Held

Rows:

Download Data

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
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	-220,459	-24.81%	$8,767,834.00
NORTHERN TRUST CORP	31 Dec, 2025	636,980	-58,177	-8.37%	$8,357,178.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	634,720	347,334	120.86%	$8,327,526.00
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

1 - 20 of 213

Research Tools