Great Lakes Dredge & DockGLDD

13F holders, Q2 2024 (June 30)
171holders +13
29new positions
19sold out
6famous investors
$8.77avg. 13F price*

At the end of Q2 2024, 171 institutions reported holding Great Lakes Dredge & Dock Co. (GLDD) in their 13F filings, up 13 from Q1 2024. 29 opened new positions and 19 sold out. The largest holders were BlackRock Inc. ($60.7M), Dimensional Fund Advisors LP ($39.0M) and Jennison Associates LLC ($37.4M). 6 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Great Lakes Dredge & Dock Co.
CUSIP
390607109
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200250 Q1 2024: 158Q1 2024Q2 2024: 171Q2 2024Q3 2024: 180Q3 2024Q4 2024: 191Q4 2024Q1 2025: 191Q1 2025Q2 2025: 191Q2 2025Q3 2025: 212Q3 2025Q4 2025: 222Q4 2025Q1 2026: 182Q1 2026Q2 2026: 1Q2 2026

Total Exit/New Position Q1 2024 → Q2 2024

InstitutionsTotal Value
New Positions29$15.2M
Exits19$8.1M

All 13F filers, Q1 2024 → Q2 2024: 4,368,001 shares bought and 3,470,099 shares sold, net +897,902 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 171 holders

BlackRock Inc. 0.00% Add +4.3% 6,912,486 $60.7M
Dimensional Fund Advisors LP 0.01% Reduce -0.3% 4,437,772 $39.0M
Jennison Associates LLC 0.02% Reduce -2.4% 4,254,351 $37.4M
Alliancebernstein L.P. 0.01% Reduce -12.1% 3,978,436 $34.9M
Vanguard Group Inc. 0.00% Add +4.6% 3,571,826 $31.4M
Harvey Partners, LLC 3.61% Reduce -2.8% 3,322,000 $29.2M
William Blair Investment Management, LLC 0.06% Reduce -0.0% 2,444,361 $21.5M
TCW Group Inc. 0.16% Add +1.9% 1,996,138 $17.5M
Geode Capital Management, LLC 0.00% Add +4.4% 1,539,731 $13.5M
State Street Corp. 0.00% Reduce -0.1% 1,527,506 $13.4M
Minerva Advisors LLC 7.73% Add +0.8% 1,322,337 $11.6M
Private Management Group Inc. 0.42% Add +2.9% 1,253,165 $11.0M
Charles Schwab Investment Management Inc. 0.00% Reduce -10.4% 953,735 $8.4M
Morgan Stanley 0.00% Add +98.8% 896,261 $7.9M
D. E. Shaw & Co. 0.01% Reduce -0.8% 824,091 $7.2M
Kennedy Capital Management LLC 0.13% Reduce -16.3% 669,140 $5.9M
CenterBook Partners LP 0.36% Add +26.3% 651,975 $5.7M
London Co. of Virginia 0.03% No change 642,744 $5.6M
Wellington Management Group LLP 0.00% Reduce -20.5% 606,408 $5.3M
Northern Trust Corp. 0.00% Reduce -3.2% 583,499 $5.1M
Castlekeep Investment Advisors LLC 3.81% Reduce -1.7% 563,425 $4.9M
Prescott Group Capital Management, L.L.C. 0.75% No change 546,870 $4.8M
Goldman Sachs Group Inc. 0.00% Add +171.4% 497,184 $4.4M
Price Jennifer C. 4.60% Reduce -10.0% 450,000 $4.0M
American Century Companies Inc. 0.00% Add +36.4% 420,055 $3.7M
Essex Investment Management Co. LLC 0.57% Add +14.6% 346,602 $3.0M
Renaissance Technologies 0.00% Reduce -29.7% 325,601 $2.9M
Acuitas Investments, LLC 1.45% No change 308,664 $2.7M
Connor, Clark & Lunn Investment Management Ltd. 0.01% Add +59.0% 275,899 $2.4M
Wittenberg Investment Management, Inc. 0.82% Add +34.8% 270,024 $2.4M
Citadel Advisors 0.00% Add +17.7% 264,489 $2.3M
Nuveen Asset Management, LLC 0.00% Reduce -27.0% 256,159 $2.2M
Bank of New York Mellon Corp 0.00% Add +8.9% 254,686 $2.2M
Algert Global LLC 0.07% New 249,653 $2.2M
Norges Bank 0.00% New 245,300 $2.2M
Invesco Ltd. 0.00% Reduce -0.3% 227,627 $2.0M
Ameriprise Financial Inc. 0.00% Reduce -5.6% 223,828 $2.0M
Two Sigma Advisers, LP 0.00% Reduce -4.8% 218,567 $1.9M
AQR Capital Management 0.00% Add +379.4% 208,218 $1.8M
Marshall Wace, LLP 0.00% New 207,626 $1.8M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +23.2% 200,127 $1.8M
Tudor Investment Corporation 0.02% New 195,171 $1.7M
Rockefeller Capital Management L.P. 0.00% New 192,500 $1.7M
Sanctuary Advisors, LLC 0.01% — 234,307 $1.7M
BNP Paribas Financial Markets 0.00% Add +68.0% 179,021 $1.6M
Two Sigma Investments, LP 0.00% Add +28.1% 170,954 $1.5M
ClariVest Asset Management LLC 0.15% Add +69.2% 166,104 $1.5M
Cullen Capital Management, LLC 0.02% Reduce -12.1% 157,897 $1.4M
Oppenheimer & Close, LLC 1.19% Reduce -60.8% 154,645 $1.4M
Squarepoint Ops LLC 0.00% Add +15.8% 144,510 $1.3M
Knights of Columbus Asset Advisors LLC 0.08% Reduce -47.0% 136,540 $1.2M
Swiss National Bank 0.00% No change 131,000 $1.2M
IQ EQ FUND MANAGEMENT (IRELAND) Ltd 0.13% Add +7.1% 130,403 $1.1M
Victory Capital Management Inc. 0.00% Reduce -4.7% 122,000 $1.1M
Bank of Montreal 0.00% Add +600.5% 116,867 $1.0M
Legato Capital Management LLC 0.14% No change 116,829 $1.0M
Millennium Management 0.00% Reduce -31.8% 112,080 $984K
Rhumbline Advisers 0.00% Add +0.2% 108,953 $957K
UBS Group AG 0.00% Add +23.1% 103,158 $906K
Wynnefield Capital Inc. 0.39% Reduce -40.9% 100,000 $878K
Trexquant Investment LP 0.01% Add +242.9% 81,371 $714K
Jefferies Financial Group Inc. 0.01% New 77,463 $680K
Bank of America Corp. 0.00% Add +30.1% 75,293 $661K
Sherbrooke Park Advisers LLC 0.11% New 72,802 $639K
JPMorgan Chase & Co. 0.00% Add +165.9% 71,780 $630K
Credit Agricole S A 0.00% New 68,400 $601K
Legal & General Group Plc 0.00% No change 67,805 $595K
California State Teachers Retirement System 0.00% Reduce -2.2% 65,040 $571K
Gsa Capital Partners LLP 0.04% Reduce -66.7% 64,767 $569K
ExodusPoint Capital Management, LP 0.01% New 64,668 $568K
Jane Street Group, LLC 0.00% Reduce -18.9% 63,856 $561K
Dynamic Technology Lab Private Ltd 0.06% New 63,834 $560K
Cornercap Investment Counsel Inc. 0.09% No change 62,867 $552K
Royal Bank of Canada 0.00% Add +30.9% 58,769 $516K
Balyasny Asset Management L.P. 0.00% New 55,210 $485K
State of Wisconsin Investment Board 0.00% Reduce -23.2% 53,585 $470K
PEAK6 Investments LLC 0.02% Reduce -22.5% 51,260 $450K
Jump Financial, LLC 0.01% Add +38.4% 50,800 $446K
Cubist Systematic Strategies, LLC 0.01% Reduce -36.6% 47,215 $415K
State Board of Administration of Florida Retirement System 0.00% Add +0.1% 43,029 $378K
Wells Fargo & Company 0.00% Add +13.0% 39,779 $349K
Creative Planning 0.00% Add +8.2% 38,688 $340K
Qube Research & Technologies Ltd 0.00% New 38,628 $339K
MetLife Investment Management, LLC 0.00% Add +12.0% 37,664 $331K
Canton Hathaway, LLC 0.09% Reduce -15.2% 37,300 $327K
Corebridge Financial, Inc. 0.00% — 35,482 $312K
Natixis Advisors, LLC 0.00% Reduce -2.3% 33,496 $294K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% — 32,540 $286K
EntryPoint Capital, LLC 0.13% Reduce -18.4% 31,240 $274K
ELCO Management Co., LLC 0.16% Add +163.1% 30,336 $266K
Susquehanna International Group, LLP 0.00% Reduce -81.9% 30,076 $264K
Deutsche Bank AG 0.00% Reduce -9.0% 29,312 $257K
Janus Henderson Group PLC 0.00% Reduce -1.1% 29,184 $256K
Keybank National Association 0.00% Reduce -2.4% 29,155 $256K
Versor Investments LP 0.05% Add +68.4% 28,800 $253K
XTX Topco Ltd 0.02% New 27,943 $245K
Teza Capital Management LLC 0.03% Add +39.3% 27,691 $243K
Manufacturers Life Insurance Company, The 0.00% Reduce -0.9% 26,078 $229K
HSBC Holdings PLC 0.00% New 25,925 $227K
Graham Capital Management, L.P. 0.01% New 24,759 $217K
Barclays PLC 0.00% Reduce -59.0% 24,298 $213K
Quadrant Capital Group LLC 0.02% Reduce -6.2% 23,566 $207K
Voya Investment Management LLC 0.00% Add +1.5% 22,924 $201K
Gitterman Wealth Management, LLC 0.08% Reduce -2.4% 22,875 $201K
Caxton Associates LP 0.01% Reduce -61.0% 22,333 $196K
Citigroup Inc. 0.00% Add +15.6% 21,645 $190K
New York State Common Retirement Fund 0.00% Add +0.1% 20,653 $181K
Pinnacle Wealth Planning Services, Inc. 0.02% No change 19,401 $170K
Prospera Financial Services Inc 0.00% Reduce -11.6% 19,000 $167K
Centiva Capital, LP 0.01% New 18,924 $166K
Arizona State Retirement System 0.00% Add +2.0% 18,683 $164K
Verition Fund Management LLC 0.00% New 18,482 $162K
Concourse Financial Group Securities, Inc. 0.01% Add +0.0% 17,175 $151K
Flagship Harbor Advisors, LLC 0.01% New 16,508 $145K
Russell Investments Group, Ltd. 0.00% New 15,982 $140K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 15,955 $140K
Fox Run Management, L.L.C. 0.03% Reduce -37.0% 15,667 $138K
Quadrature Capital Ltd 0.00% Reduce -18.5% 14,895 $131K
T. Rowe Price Associates Inc. 0.00% No change 14,802 $130K
Sugar Maple Asset Management, LLC 0.12% Reduce -76.2% 14,675 $129K
Signaturefd, LLC 0.00% Reduce -5.6% 14,216 $125K
Y-Intercept (Hong Kong) Ltd 0.01% Reduce -32.2% 14,144 $124K
ARS Investment Partners, LLC 0.01% Add +11.0% 12,150 $107K
Bfsg, LLC 0.01% No change 11,820 $104K
Engineers Gate Manager LP 0.00% New 11,340 $100K
AE Wealth Management LLC 0.00% Add +7.5% 11,143 $98K
Franklin Resources Inc. 0.00% New 11,076 $97K
Savant Capital, LLC 0.00% New 11,047 $97K
Envestnet Asset Management Inc. 0.00% Reduce -8.3% 10,992 $97K
CANADA LIFE ASSURANCE Co 0.00% No change 10,719 $94K
Evergreen Capital Management LLC 0.00% No change 10,574 $93K
Aquatic Capital Management LLC 0.00% New 10,000 $88K
Tower Research Capital LLC (TRC) 0.00% Add +323.4% 8,702 $76K
FMR LLC 0.00% Reduce -15.0% 8,403 $74K
Logan Capital Management Inc. 0.00% No change 8,000 $70K
Penserra Capital Management LLC 0.00% Add +1.2% 6,819 $60K
Ameritas Investment Partners, Inc. 0.00% No change 6,469 $57K
Group One Trading LLC 0.00% Reduce -21.6% 6,416 $56K
National Bank of Canada 0.00% No change 5,890 $50K
Cwm, LLC 0.00% Add +520.5% 5,051 $44K
Quantbot Technologies LP 0.00% Reduce -68.9% 4,918 $43K
Spire Wealth Management 0.00% Add +23.4% 4,275 $38K
Innealta Capital, LLC 0.01% New 3,423 $30K
US Bancorp \de 0.00% Add +3.8% 3,397 $30K
Quarry LP 0.01% Add +68.5% 3,097 $27K
Amalgamated Bank 0.00% No change 2,230 $20K
Allspring Global Investments Holdings, LLC 0.00% Reduce -14.2% 2,157 $19K
Lindbrook Capital, LLC 0.00% Add +8.9% 2,145 $19K
Public Employees Retirement System of Ohio 0.00% Reduce -2.8% 2,054 $18K
Byrne Asset Management LLC 0.01% Reduce -25.0% 1,800 $16K
Parallel Advisors, LLC 0.00% No change 1,657 $15K
GAMMA Investing LLC 0.00% Add +5.8% 1,384 $12K
Point72 Asia (Singapore) Pte. Ltd. 0.00% Reduce -76.4% 1,185 $10K
Arax Advisory Partners 0.00% New 828 $7K
Smartleaf Asset Management LLC 0.00% Add +384.8% 703 $6K
nVerses Capital, LLC 0.00% Reduce -30.0% 700 $6K
Allworth Financial LP 0.00% Add +81.1% 440 $4K
McIlrath & Eck, LLC 0.00% No change 466 $4K
PNC Financial Services Group, Inc. 0.00% New 408 $4K
North Star Investment Management Corp. 0.00% No change 400 $4K
C M Bidwell & Associates Ltd. 0.00% New 360 $3K
Fortitude Family Office, LLC 0.00% No change 188 $2K
CIBC Private Wealth Group LLC 0.00% No change 170 $1K
Hantz Financial Services, Inc. 0.00% No change 71 $1K
Mather Group, Llc. 0.00% New 100 $875
Nisa Investment Advisors, LLC 0.00% Reduce -26.0% 71 $623
Rothschild Investment LLC 0.00% New 30 $263
Comerica Bank 0.00% Reduce -28.9% 27 $237
Osaic Holdings, Inc. 0.00% Reduce -99.1% 20 $176
Farther Finance Advisors, LLC 0.00% No change 2 $17
Cove Street Capital, LLC 0.00% Reduce -66.7% 1 $0

"% of holder's portfolio" is GLDD's weight in each manager's 13F, not the share of Great Lakes Dredge & Dock Co. the manager owns.