Great Lakes Dredge & Dock Corpo

Historical 13F Holders

Symbol
GLDD
CUSIP
390607109
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 390607109 since 12/18/2024, largest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A 8.2% 4/28/2026
Event 3/31/2026
Vanguard Capital Management LLC 13G 5.0% 4/30/2026
Event 3/31/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (6)
AllianceBernstein L.P. 13G/A 4.3% 2/5/2025
Event 12/31/2024
Prudential Financial Inc 13G/A 1.8% 5/8/2026
Event 3/31/2026
Jennison Associates LLC 13G/A 1.5% 5/6/2026
Event 3/31/2026
Harvey Partners, LLC 13G/A 0.9% 5/15/2026
Event 3/31/2026
Dimensional Fund Advisors LP 13G/A 0% 7/14/2026
Event 6/30/2026
Vanguard Group Inc 13G/A 0% 3/27/2026
Event 3/13/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q2 1 1.00 $17.00
2026 Q1 189 54.8 M $931 M
2025 Q4 234 56.0 M $736 M
2025 Q3 220 56.0 M $671 M
2025 Q2 201 55.3 M $674 M
2025 Q1 197 55.7 M $485 M
2024 Q4 200 55.7 M $629 M
2024 Q3 189 55.0 M $578 M
2024 Q2 181 55.2 M $484 M
2024 Q1 167 54.4 M $476 M
2023 Q4 151 56.3 M $433 M
2023 Q3 152 55.8 M $445 M
2023 Q2 140 54.8 M $446 M
2023 Q1 145 55.9 M $304 M
2022 Q4 150 59.0 M $351 M
2022 Q3 142 58.4 M $443 M
2022 Q2 138 56.7 M $744 M
2022 Q1 146 57.3 M $804 M
2021 Q4 138 57.7 M $907 M
2021 Q3 130 57.9 M $874 M
2021 Q2 142 57.9 M $846 M
2021 Q1 150 55.6 M $811 M
2020 Q4 156 60.4 M $799 M
2020 Q3 158 54.5 M $518 M
2020 Q2 156 56.1 M $519 M
2020 Q1 171 57.2 M $475 M
2019 Q4 171 58.0 M $657 M
2019 Q3 181 56.0 M $586 M
2019 Q2 178 54.6 M $603 M
2019 Q1 154 51.9 M $462 M
2018 Q4 130 49.6 M $328 M
2018 Q3 100 47.9 M $297 M
2018 Q2 102 46.8 M $246 M
2018 Q1 100 48.6 M $224 M
2017 Q4 103 47.3 M $255 M
2017 Q3 100 44.3 M $215 M
2017 Q2 97 44.1 M $189 M
2017 Q1 96 44.1 M $176 M
2016 Q4 108 44.9 M $189 M
2016 Q3 93 47.4 M $166 M
2016 Q2 98 49.1 M $214 M
2016 Q1 99 49.4 M $221 M
2015 Q4 106 51.0 M $202 M
2015 Q3 98 50.8 M $256 M
2015 Q2 94 51.8 M $309 M
2015 Q1 110 52.1 M $315 M
2014 Q4 110 52.9 M $453 M
2014 Q3 119 50.5 M $312 M
2014 Q2 114 52.4 M $419 M
2014 Q1 115 53.5 M $489 M