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 48.47% institutional investors, 2.39% insiders, and 49.14% 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 5.01% of its assets in Great Lakes Dredge & Dock shares.

GLDD Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockGreat Lakes Dredge & Dock48.47%2.39%49.14%
SectorIndustrials Stocks 46.77%12.62%40.60%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock6.91M10.36%$60.69M
Blackrock funding, inc. /de6.94M10.35%$83.18M
Dimensional fund advisors lp4.32M6.45%$51.84M
Jennison associates4.27M6.38%$51.25M
Vanguard group3.88M5.79%$46.51M
Harvey partners3.70M5.52%$44.37M
American century companies2.41M3.60%$28.93M
Tcw group1.87M2.80%$22.47M
Geode capital management1.63M2.44%$19.60M
State street1.62M2.41%$19.39M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Minerva advisors1.39M10.58%$16.66M
Harvey partners3.70M3.94%$44.37M
Price jennifer c.253.53K3.79%$2.86M
Acuitas investments423.23K3.26%$5.07M
Castlekeep investment advisors454.53K2.55%$5.45M
Seven six capital management178.51K2.11%$2.14M
Wittenberg investment management191.80K0.91%$2.30M
Prescott group capital management576.87K0.73%$6.92M
Semanteon capital management, lp47.42K0.71%$568.57K
Essex investment management308.81K0.57%$3.70M

Top Buyers

HolderShares% AssetsChange
Qube research381.37K0.00%329.92K
Blackrock6.91M0.00%285.33K
Allspring global investments494.03K0.01%246.01K
American century companies2.41M0.01%231.56K
Bridgeway capital management442.09K0.11%199.27K

Top Sellers

HolderShares% AssetsChange
William blair investment management---2.44M
Jennison associates4.27M0.03%-519.57K
Brightline capital management---440.00K
Millennium management266.56K0.00%-431.51K
Nuveen212.39K0.00%-404.76K

New Positions

HolderShares% AssetsChangeValue
Zacks investment management117.35K0.01%117.35K$1.41M
Y-intercept (hong kong)102.32K0.03%102.32K$1.23M
Norges bank83.80K0.00%83.80K$946.10K
Walleye capital69.00K0.00%69.00K$827.31K
Universal- beteiligungs- und servicegesellschaft mbh58.03K0.00%58.03K$695.76K

Sold Out

HolderChange
Cove street capital-1.00
Ifp advisors-10.00
Nelson, van denburg & campbell wealth management group-14.00
Ronald blue trust-35.00
Raleigh capital management-40.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
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%
Sep 30, 20241825.81%53,895,9880.52%801.24%969.09%55-3.51%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Harvey Partners Small-Cap Opportunity3.34M5.01%-44.29K
Vanguard US Total Market Shares ETF2.01M2.99%-
Vanguard Total Stock Mkt Idx Inv1.97M2.96%-43.73K
Avantis US Small Cap Value ETF1.90M2.79%6.82K
Jennison SMid Cap Core Equity1.77M2.60%-432.04K
iShares Russell 2000 ETF1.62M2.38%-
PGIM Jennison Small Company A1.55M2.33%-246.86K
iShares US Infrastructure ETF1.36M2.01%-
DFA US Small Cap Value I951.56K1.40%-
Vanguard Institutional Extnd Mkt Idx Tr732.17K1.10%-318.87K

Recent Insider Transactions


DateNameRoleActivityValue
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
Mar 04, 2025GUNSTEN CHRISTOPHER SVP-Proj Svcs & Fleet EngineerBuy$30.03K

Insider Transactions Trends


DateBuySell
2025 Q4-1
2025 Q3-1
2025 Q2-2
2025 Q11-
2024 Q4-4

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 (6.94M shares, 10.35%), and Dimensional fund advisors lp (4.32M shares, 6.45%). Together, they hold 27.16% 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 10.58% of its assets in 1.39M Great Lakes Dredge & Dock shares, valued at 16.66M$.

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 5.01% of its total shares outstanding invested in 3.34M Great Lakes Dredge & Dock shares.

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