Great Lakes Dredge & Dock Ownership | Who Owns Great Lakes Dredge & Dock?


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Great Lakes Dredge & Dock Ownership Summary


Great Lakes Dredge & Dock is owned by 38.67% institutional investors, 2.37% insiders, and 58.96% retail investors. Blackrock is the largest institutional shareholder, holding 10.36% of GLDD shares. Harvey Partners Small-Cap Opportunity is the top mutual fund, with 4.97% of its assets in Great Lakes Dredge & Dock shares.

GLDD Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockGreat Lakes Dredge & Dock38.67%2.37%58.96%
SectorIndustrials Stocks 47.66%12.52%39.82%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock6.91M10.36%$60.69M
Blackrock funding, inc. /de6.90M10.12%$90.49M
Dimensional fund advisors lp4.30M6.31%$56.42M
Vanguard group3.99M5.85%$52.31M
Jennison associates3.81M5.58%$49.94M
Harvey partners3.70M5.52%$44.37M
American century companies2.41M3.60%$28.93M
Tcw group1.87M2.80%$22.47M
State street1.62M2.41%$19.39M
Geode capital management1.63M2.39%$21.39M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Minerva advisors1.39M12.18%$18.23M
Harvey partners3.70M3.94%$44.37M
Price jennifer c.253.53K3.79%$2.86M
Castlekeep investment advisors428.36K2.54%$5.62M
Seven six capital management178.51K2.11%$2.14M
Wittenberg investment management191.80K0.91%$2.30M
Prescott group capital management576.87K0.70%$7.57M
Essex investment management308.81K0.57%$3.70M
Jackson creek investment advisors143.32K0.56%$1.88M
Next century growth investors446.82K0.39%$5.36M

Top Buyers

HolderShares% AssetsChange
Goldman sachs group634.72K0.00%347.33K
Qube research381.37K0.00%329.92K
Blackrock6.91M0.00%285.33K
American century companies2.41M0.01%231.56K
Morgan stanley1.02M0.00%222.17K

Top Sellers

HolderShares% AssetsChange
William blair investment management---2.44M
Jennison associates3.81M0.03%-467.76K
Brightline capital management---440.00K
Millennium management266.56K0.00%-431.51K
Acuitas investments---423.23K

New Positions

HolderShares% AssetsChangeValue
Nwam217.45K0.18%217.45K$3.24M
Zacks investment management117.35K0.01%117.35K$1.41M
Norges bank83.80K0.00%83.80K$946.10K
Walleye capital69.00K0.00%69.00K$827.31K
Boothbay fund management54.31K0.01%54.31K$651.21K

Sold Out

HolderChange
Cove street capital-1.00
Nelson, van denburg & campbell wealth management group-14.00
Ronald blue trust-35.00
Raleigh capital management-40.00
Amundi-60.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 2025105-51.39%26,363,405-51.95%380.58%49-55.05%37-50.67%
Sep 30, 202599-46.20%32,489,513-37.89%480.80%49-53.77%33-32.65%
Jun 30, 2025191-0.52%54,325,569-1.90%811.20%10630.86%54-34.15%
Mar 31, 20256-96.97%4,768,082-91.43%70.10%4-96.19%2-96.49%
Dec 31, 202494-48.91%32,935,345-39.16%480.76%45-53.13%28-50.00%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Harvey Partners Small-Cap Opportunity3.32M4.97%-
Avantis US Small Cap Value ETF2.37M3.56%9.18K
Vanguard Total Stock Mkt Idx Inv2.03M3.04%-
Vanguard US Total Market Shares ETF2.01M2.99%-
iShares Russell 2000 ETF1.61M2.41%228.06K
iShares US Infrastructure ETF1.54M2.30%755.61K
Jennison SMid Cap Core Equity1.13M1.70%-322.94K
PGIM Jennison Small Company A1.13M1.70%-
DFA US Small Cap Value I908.92K1.36%-42.63K
Vanguard Institutional Extnd Mkt Idx Tr731.79K1.10%3.33K

Recent Insider Transactions


DateNameRoleActivityValue
Dec 10, 2025JOHANSON DAVID SVP-Project Acquisition & OpsSell$29.31K
Dec 03, 2025JOHANSON DAVID SVP-Project Acquisition & OpsSell$130.16K
Aug 11, 2025Kornblau Scott Lee SVP & CFOSell$686.32K
Jun 03, 2025Steger Ronald-Sell$57.92K
May 06, 2025BEYKO ELENI SVP - Offshore EnergySell$231.60K

Insider Transactions Trends


DateBuySell
2026 Q1--
2025 Q4-2
2025 Q3-1
2025 Q2-2
2025 Q11-

GLDD Ownership FAQ


Who owns the most shares of Great Lakes Dredge & Dock?

Great Lakes Dredge & Dock’s largest shareholders are Blackrock (6.91M shares, 10.36%), Blackrock funding, inc. /de (6.9M shares, 10.12%), and Dimensional fund advisors lp (4.3M shares, 6.31%). Together, they hold 26.78% of Great Lakes Dredge & Dock’s total shares outstanding.

Does Blackrock own Great Lakes Dredge & Dock?

Yes, BlackRock owns 10.36% of Great Lakes Dredge & Dock, totaling 6.91M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 60.69M$. In the last quarter, BlackRock increased its holdings by 285.33K shares, a 4.31% change.

Who is Great Lakes Dredge & Dock’s biggest shareholder by percentage of total assets invested?

Minerva advisors is Great Lakes Dredge & Dock’s biggest shareholder by percentage of total assets invested, with 12.18% of its assets in 1.39M Great Lakes Dredge & Dock shares, valued at 18.23M$.

Who is the top mutual fund holder of Great Lakes Dredge & Dock shares?

Harvey Partners Small-Cap Opportunity is the top mutual fund holder of Great Lakes Dredge & Dock shares, with 4.97% of its total shares outstanding invested in 3.32M Great Lakes Dredge & Dock shares.

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