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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.

Q1 2026 vs. Q4 2025

How the institutions holding Great Lakes Dredge & Dock CORP changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of GLDD: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders2226182−34
Shares56.0M4.27M54.8M+3.09M (+6.0%)
Value$734.8M$56.0M$931.0M+$252.2M (+37.2%)

6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (56)

Institutions that held Great Lakes Dredge & Dock CORP at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to GLDD in Q1 2026
InstitutionSharesValue% of portfolio
Glazer Capital, LLC2,949,613$50.1M1.07%
Vanguard Capital Management LLC2,856,158$48.6M0.00%
FIL Ltd2,671,231$45.4M0.04%
Balyasny Asset Management LLC1,626,990$27.7M0.05%
Water Island Capital LLC1,263,580$21.5M2.86%
Oddo BHF Asset Management SAS1,166,388$19.8M0.78%
Beryl Capital Management LLC912,537$15.5M14.28%
Sand Grove Capital Management LLP893,190$15.2M3.55%
Omers Administration Corp864,000$14.7M0.09%
CNH Partners LLC730,615$12.4M0.20%
TIG Advisors, LLC642,867$10.9M0.52%
Gabelli Funds LLC505,543$8.59M0.06%
Cinctive Capital Management LP500,000$8.50M0.56%
Vanguard Portfolio Management LLC462,923$7.87M0.00%
Vanguard Fiduciary Trust Co434,518$7.39M0.00%
Vivaldi Asset Management, LLC434,061$7.38M0.39%
Franklin Resources Inc267,116$4.54M0.00%
Prelude Capital Management, LLC255,852$4.35M0.33%
Gabelli & Co Investment Advisers, Inc.253,695$4.31M0.64%
Voloridge Investment Management, LLC208,184$3.54M0.01%
Polar Asset Management Partners Inc.200,000$3.40M0.08%
Prudential Financial Inc190,030$3.23M0.00%
Wolverine Asset Management LLC175,708$2.99M0.05%
Groupe la Francaise128,598$2.19M0.03%
Oxford Asset Management LLP121,883$2.07M0.84%
Versor Investments LP101,631$1.73M4.23%
Credit Industriel Et Commercial69,245$1.18M0.19%
Marshall Wace, LLP52,085$885.4K0.00%
Vanguard Asset Management, Ltd48,470$824.0K0.00%
CSS LLC46,900$797.3K0.04%
Gotham Asset Management, LLC34,598$588.2K0.00%
Susquehanna Fundamental Investments, LLC32,070$545.2K0.02%
Skopos Labs, Inc.28,861$490.6K0.02%
Vanguard Global Advisers, LLC26,816$455.9K0.00%
T3 Companies, LLC25,060$426.0K0.58%
PenderFund Capital Management Ltd.23,200$394.4K0.06%
Gamco Investors, Inc. Et Al20,000$340.0K0.00%
Yakira Capital Management, Inc.18,222$309.8K0.09%
Vanguard Investments Australia, Ltd.15,953$271.2K0.00%
Murchinson Ltd.14,200$241.4K0.10%
Equitec Proprietary Markets, LLC14,100$239.7K0.55%
L2 Asset Management, LLC13,841$235.3K0.02%
Change Path, LLC13,283$225.8K0.01%
Two Sigma Securities, LLC12,903$219.4K0.03%
Swiss Life Asset Management Ltd12,829$218.1K0.00%
Guggenheim Capital LLC10,182$173.1K0.00%
Group One Trading, L.P.9,386$159.6K0.01%
Aster Capital Management (DIFC) Ltd12,089$105.2K0.03%
Bogart Wealth, LLC3,000$51.0K0.00%
RWM Asset Management, LLC1,120$19.0K0.00%
Meteora Capital, LLC1,079$18.3K0.00%
Clear Street Markets LLC746$12.7K0.01%
Valued Wealth Advisors LLC290$4.93K0.00%
Fifth Third Bancorp21$3570.00%
TopTier Wealth Management, LLC15$2550.00%
GHP Investment Advisors, Inc.2$340.00%

Sold out (90)

Institutions that held Great Lakes Dredge & Dock CORP at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of GLDD in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
TCW Group Inc1,874,234$24.6M
Bridgeway Capital Management, LLC508,266$6.67M
Connor, Clark & Lunn Investment Management Ltd.453,539$5.95M
Allspring Global Investments Holdings, LLC430,762$5.71M
Castlekeep Investment Advisors LLC428,358$5.62M
Two Sigma Advisers, LP415,767$5.45M
CenterBook Partners LP410,971$5.39M
Simcoe Capital LLC377,684$4.96M
Algert Global LLC343,302$4.50M
Essex Investment Management Co LLC301,986$3.96M
Private Management Group Inc282,493$3.71M
Nwam LLC217,450$3.24M
Segall Bryant & Hamill, LLC221,799$2.91M
BNP PARIBAS ASSET MANAGEMENT Holding S.A.212,306$2.79M
Walleye Capital LLC206,215$2.71M
Jacobs Levy Equity Management, Inc205,321$2.69M
Raymond James Financial Inc187,527$2.46M
Wittenberg Investment Management, Inc.183,100$2.40M
Trexquant Investment LP171,645$2.25M
Jump Financial, LLC154,915$2.03M
Zacks Investment Management152,586$2.00M
Jane Street Group, LLC150,174$1.97M
Jackson Creek Investment Advisors LLC143,321$1.88M
LPL Financial LLC134,022$1.76M
Tudor Investment Corp Et Al132,476$1.74M
Mackenzie Financial Corp120,869$1.59M
Seven Six Capital Management, LLC111,113$1.46M
Panagora Asset Management Inc110,705$1.45M
Thrivent Financial for Lutherans101,100$1.33M
Legato Capital Management LLC96,684$1.27M
Verition Fund Management LLC86,525$1.14M
Campbell & CO Investment Adviser LLC76,705$1.01M
Acadian Asset Management LLC74,393$971.0K
Numerai GP LLC60,925$799.3K
Quest Partners LLC58,257$764.3K
SEI Investments Co54,243$711.7K
Magnetar Financial LLC50,021$656.3K
American Capital Advisory, LLC43,150$566.1K
State Board of Administration of Florida Retirement System43,029$564.5K
Winton Group Ltd37,834$496.4K
Aristeia Capital LLC37,760$495.4K
Fox Run Management, L.L.C.31,750$416.6K
Next Century Growth Investors LLC30,520$400.4K
Janus Henderson Group PLC29,184$383.0K
Graham Capital Management, L.P.29,054$381.2K
Thompson Davis & Co., Inc.26,025$341.4K
PCM Encore, LLC24,529$321.8K
Inceptionr LLC24,116$316.4K
Dynamic Technology Lab Private Ltd23,769$312.0K
AE Wealth Management LLC20,917$274.4K
Integrated Quantitative Investments LLC20,523$269.3K
GWM Advisors LLC20,287$266.2K
R Squared Ltd19,819$260.0K
ARS Investment Partners, LLC18,977$249.0K
Arizona State Retirement System18,834$247.1K
Police & Firemen's Retirement System of New Jersey17,568$230.5K
XTX Topco Ltd16,654$218.5K
Bank of Montreal16,588$217.6K
Ieq Capital, LLC15,511$203.5K
State of Tennessee, Treasury Department13,524$202.6K
Teacher Retirement System of Texas14,883$195.3K
Caxton Associates LLP14,568$191.1K
Atria Investments LLC13,531$177.5K
Apollon Wealth Management, LLC13,335$175.0K
Fayez Sarofim & Co12,966$170.1K
Brevan Howard Capital Management LP12,617$165.5K
Mirabaud & Cie SA12,000$157.4K
Virtus ETF Advisers LLC11,737$154.0K
Mariner, LLC10,819$142.0K
Envestnet Asset Management Inc10,508$137.9K
CI Private Wealth, LLC10,333$135.6K
Perigon Wealth Management, LLC10,098$132.5K
Aquatic Capital Management LLC8,802$115.5K
Federated Hermes, Inc.7,168$94.0K
Great West Life Assurance Co6,556$86.0K
Quantbot Technologies LP6,269$82.2K
New York State Teachers Retirement System6,081$80.0K
Pinnacle Wealth Planning Services, Inc.5,911$77.6K
Amalgamated Bank2,091$27.0K
Westside Investment Management, Inc.1,940$25.7K
Financial Management Professionals, Inc.1,920$25.2K
Blue Bell Private Wealth Management, LLC1,597$21.0K
HM Payson & Co1,325$17.4K
Luminist Capital LLC400$5.25K
Essential Partners LLC241$3.16K
Rothschild Investment LLC92$1.21K
SRS Capital Advisors, Inc.57$748
MCF Advisors LLC40$525
Sunbelt Securities, Inc.23$302
Northwestern Mutual Wealth Management Co8$105

Not filed for Q1 2026 yet (6)

Institutions that held Great Lakes Dredge & Dock CORP at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding GLDD in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc3,987,334$52.3M
Brandywine Global Investment Management, LLC271,720$3.56M
Passumpsic Savings Bank12,000$157.4K
CIBC Private Wealth Group, LLC170$2.23K
Global Retirement Partners, LLC33$433
Comerica Bank21$276