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Great Lakes Dredge & Dock CORP

GLDDDelisted Apr 1, 2026
Industry
Heavy Construction Other Than Bldg Const - Contractors
SEC CIK
0001372020

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.

13F holders, Q4 2025

Institutional positions in Great Lakes Dredge & Dock CORP as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
222
+12 vs. Q3 2025
Shares held
56.0M
+1.42M (+2.6%) vs. Q3 2025
Total value
$734.8M
+$80.8M (+12.4%) vs. Q3 2025
New holders
31
78 more added
Sold out
19
82 more reduced

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GLDD on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 222 institutions
Q1 2021: 146 institutionsQ2 2021: 133 institutionsQ3 2021: 126 institutionsQ4 2021: 131 institutionsQ1 2022: 141 institutionsQ2 2022: 135 institutionsQ3 2022: 137 institutionsQ4 2022: 143 institutionsQ1 2023: 140 institutionsQ2 2023: 133 institutionsQ3 2023: 146 institutionsQ4 2023: 142 institutionsQ1 2024: 158 institutionsQ2 2024: 171 institutionsQ3 2024: 180 institutionsQ4 2024: 191 institutionsQ1 2025: 192 institutionsQ2 2025: 192 institutionsQ3 2025: 212 institutionsQ4 2025: 222 institutionsQ1 2026: 182 institutionsQ2 2026: 1 institution
Value heldQ4 2025: $734.8M
Q1 2021: $810.7MQ2 2021: $835.6MQ3 2021: $874.0MQ4 2021: $905.5MQ1 2022: $803.0MQ2 2022: $743.9MQ3 2022: $442.7MQ4 2022: $342.7MQ1 2023: $303.5MQ2 2023: $446.4MQ3 2023: $435.2MQ4 2023: $426.7MQ1 2024: $467.7MQ2 2024: $475.7MQ3 2024: $576.2MQ4 2024: $628.2MQ1 2025: $484.4MQ2 2025: $668.2MQ3 2025: $657.8MQ4 2025: $734.8MQ1 2026: $931.0MQ2 2026: $17
Institutions holding GLDD and their total value by quarter
QuarterHoldersValue
Q2 20261$17
Q1 2026182$931.0M
Q4 2025222$734.8M
Q3 2025212$657.8M
Q2 2025192$668.2M
Q1 2025192$484.4M
Q4 2024191$628.2M
Q3 2024180$576.2M
Q2 2024171$475.7M
Q1 2024158$467.7M
Q4 2023142$426.7M
Q3 2023146$435.2M
Q2 2023133$446.4M
Q1 2023140$303.5M
Q4 2022143$342.7M
Q3 2022137$442.7M
Q2 2022135$743.9M
Q1 2022141$803.0M
Q4 2021131$905.5M
Q3 2021126$874.0M
Q2 2021133$835.6M
Q1 2021146$810.7M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Great Lakes Dredge & Dock CORP; share changes are against Q3 2025.

Institutions holding GLDD in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Charles Schwab Investment Management Inc554,348$7.27M0.00%−7,357−1.3%Reduced
Two Sigma Investments, LP570,682$7.49M0.01%+150,185+35.7%Added
Prescott Group Capital Management, L.L.C.576,870$7.57M0.70%00.0%Unchanged
London Co of Virginia584,424$7.67M0.04%00.0%Unchanged
BNP Paribas Arbitrage, SA589,172$7.73M0.00%+159,339+37.1%Added
Qube Research & Technologies Ltd630,098$8.27M0.01%+248,733+65.2%Added
Goldman Sachs Group Inc634,720$8.33M0.00%+347,334+120.9%Added
Northern Trust Corp636,980$8.36M0.00%−58,177−8.4%Reduced
JPMorgan Chase & Co668,280$8.77M0.00%−220,459−24.8%Reduced
Arrowstreet Capital, Limited Partnership796,209$10.4M0.01%−7,377−0.9%Reduced
Morgan Stanley1,019,618$13.4M0.00%+222,166+27.9%Added
Minerva Advisors LLC1,389,807$18.2M12.18%00.0%Unchanged
State Street Corp1,589,380$20.9M0.00%−27,973−1.7%Reduced
Millennium Management LLC1,597,481$21.0M0.02%+451,346+39.4%Added
Geode Capital Management, LLC1,630,411$21.4M0.00%−4,080−0.2%Reduced
TCW Group Inc1,874,234$24.6M0.18%00.0%Unchanged
American Century Companies Inc2,584,604$33.9M0.02%+172,137+7.1%Added
Harvey Partners, LLC3,703,215$48.6M4.36%+2,664+0.1%Added
Jennison Associates LLC3,806,504$49.9M0.03%−467,764−10.9%Reduced
Vanguard Group Inc3,987,334$52.3M0.00%+108,033+2.8%Added
Dimensional Fund Advisors LP4,300,112$56.4M0.01%−23,139−0.5%Reduced
BlackRock, Inc.6,897,215$90.5M0.00%−40,505−0.6%Reduced
Acuitas Investments, LLC0$00.00%−423,234−100.0%Sold out
Empowered Funds, LLC0$00.00%−246,088−100.0%Sold out
Davy Global Fund Management Ltd0$00.00%−59,260−100.0%Sold out
Semanteon Capital Management, LP0$00.00%−47,420−100.0%Sold out
Oxford Asset Management LLP0$00.00%−27,701−100.0%Sold out
Man Group plc0$00.00%−19,914−100.0%Sold out
Sherbrooke Park Advisers LLC0$00.00%−15,923−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−12,924−100.0%Sold out
PharVision Advisers, LLC0$00.00%−11,525−100.0%Sold out
HighTower Advisors, LLC0$00.00%−11,049−100.0%Sold out
Caption Management, LLC0$00.00%−8,931−100.0%Sold out
Quarry LP0$00.00%−1,908−100.0%Sold out
Spire Wealth Management0$00.00%−1,775−100.0%Sold out
Advisory Services Network, LLC0$00.00%−1,211−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−511−100.0%Sold out
McIlrath & Eck, LLC0$00.00%−466−100.0%Sold out
Stone House Investment Management, LLC0$00.00%−200−100.0%Sold out
North Star Investment Management Corp.0$00.00%−185−100.0%Sold out
Clearstead Advisors, LLC0$00.00%−137−100.0%Sold out
Cubist Systematic Strategies, LLC––––Not filed
Point72 (DIFC) Ltd––––Not filed