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.
13F holders, Q1 2026
Institutional positions in Great Lakes Dredge & Dock CORP as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
GLDD is no longer listed, so this page shows Q1 2026. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 182
- −34 vs. Q4 2025
- Shares held
- 54.8M
- +3.09M (+6.0%) vs. Q4 2025
- Total value
- $931.0M
- +$252.2M (+37.2%) vs. Q4 2025
- New holders
- 56
- 42 more added
- Sold out
- 90
- 64 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting GLDD on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1 | $17 |
| Q1 2026 | 182 | $931.0M |
| Q4 2025 | 222 | $734.8M |
| Q3 2025 | 212 | $657.8M |
| Q2 2025 | 192 | $668.2M |
| Q1 2025 | 192 | $484.4M |
| Q4 2024 | 191 | $628.2M |
| Q3 2024 | 180 | $576.2M |
| Q2 2024 | 171 | $475.7M |
| Q1 2024 | 158 | $467.7M |
| Q4 2023 | 142 | $426.7M |
| Q3 2023 | 146 | $435.2M |
| Q2 2023 | 133 | $446.4M |
| Q1 2023 | 140 | $303.5M |
| Q4 2022 | 143 | $342.7M |
| Q3 2022 | 137 | $442.7M |
| Q2 2022 | 135 | $743.9M |
| Q1 2022 | 141 | $803.0M |
| Q4 2021 | 131 | $905.5M |
| Q3 2021 | 126 | $874.0M |
| Q2 2021 | 133 | $835.6M |
| Q1 2021 | 146 | $810.7M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Great Lakes Dredge & Dock CORP; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| VARCOV Co. | 43,681 | $742.6K | 0.28% | +27,937+177.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 46,099 | $783.7K | 0.00% | +14,894+47.7% | Added |
| CSS LLC | 46,900 | $797.3K | 0.04% | +46,900 | New |
| Alliancebernstein L.P. | 61,340 | $804.8K | 0.00% | −1,800−2.9% | Reduced |
| Invesco Ltd. | 47,937 | $814.9K | 0.00% | −71,591−59.9% | Reduced |
| Vanguard Asset Management, Ltd | 48,470 | $824.0K | 0.00% | +48,470 | New |
| State of Wisconsin Investment Board | 49,960 | $849.3K | 0.00% | −21,509−30.1% | Reduced |
| Price T Rowe Associates Inc | 50,000 | $850.0K | 0.00% | +9,918+24.7% | Added |
| Marshall Wace, LLP | 52,085 | $885.4K | 0.00% | +52,085 | New |
| Creative Planning | 53,784 | $914.3K | 0.00% | +1,916+3.7% | Added |
| Legal & General Group Plc | 62,273 | $1.06M | 0.00% | −5,182−7.7% | Reduced |
| Deutsche Bank AG | 63,138 | $1.07M | 0.00% | −63,710−50.2% | Reduced |
| Credit Industriel Et Commercial | 69,245 | $1.18M | 0.19% | +69,245 | New |
| Susquehanna Portfolio Strategies, LLC | 70,586 | $1.20M | 0.02% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 74,860 | $1.27M | 0.03% | +60,826+433.4% | Added |
| Victory Capital Management Inc | 77,000 | $1.31M | 0.00% | −13,000−14.4% | Reduced |
| Principal Financial Group Inc | 84,439 | $1.44M | 0.00% | +5,290+6.7% | Added |
| HB Wealth Management, LLC | 87,752 | $1.49M | 0.01% | −862−1.0% | Reduced |
| Rhumbline Advisers | 87,855 | $1.49M | 0.00% | −1,540−1.7% | Reduced |
| California State Teachers Retirement System | 91,090 | $1.55M | 0.00% | +29,107+47.0% | Added |
| D. E. Shaw & Co., Inc. | 92,353 | $1.57M | 0.00% | −323,750−77.8% | Reduced |
| Credit Agricole S A | 100,000 | $1.70M | 0.01% | +11,600+13.1% | Added |
| Versor Investments LP | 101,631 | $1.73M | 4.23% | +101,631 | New |
| Russell Investments Group, Ltd. | 101,821 | $1.73M | 0.00% | −36,935−26.6% | Reduced |
| UBS Asset Management Americas Inc | 112,529 | $1.91M | 0.00% | −9,501−7.8% | Reduced |
| Oxford Asset Management LLP | 121,883 | $2.07M | 0.84% | +121,883 | New |
| Groupe la Francaise | 128,598 | $2.19M | 0.03% | +128,598 | New |
| UBS Group AG | 129,581 | $2.20M | 0.00% | +66,948+106.9% | Added |
| Swiss National Bank | 134,200 | $2.28M | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 134,432 | $2.29M | 0.00% | −126,639−48.5% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 142,229 | $2.42M | 0.05% | −71,287−33.4% | Reduced |
| Nuveen, LLC | 150,195 | $2.55M | 0.00% | −1,373−0.9% | Reduced |
| Bank of America Corp | 173,986 | $2.96M | 0.00% | −158,251−47.6% | Reduced |
| Wolverine Asset Management LLC | 175,708 | $2.99M | 0.05% | +175,708 | New |
| Prudential Financial Inc | 190,030 | $3.23M | 0.00% | +190,030 | New |
| Polar Asset Management Partners Inc. | 200,000 | $3.40M | 0.08% | +200,000 | New |
| Voloridge Investment Management, LLC | 208,184 | $3.54M | 0.01% | +208,184 | New |
| JPMorgan Chase & Co | 225,360 | $3.82M | 0.00% | −442,920−66.3% | Reduced |
| Gabelli & Co Investment Advisers, Inc. | 253,695 | $4.31M | 0.64% | +253,695 | New |
| Bank of New York Mellon Corp | 253,954 | $4.32M | 0.00% | −6,295−2.4% | Reduced |
| Prelude Capital Management, LLC | 255,852 | $4.35M | 0.33% | +255,852 | New |
| Franklin Resources Inc | 267,116 | $4.54M | 0.00% | +267,116 | New |
| Lazard Asset Management LLC | 269,389 | $4.58M | 0.01% | +43,114+19.1% | Added |
| HRT Financial LP | 276,423 | $4.70M | 0.01% | +143,841+108.5% | Added |
| Sanctuary Advisors, LLC | 305,240 | $5.19M | 0.03% | −23,314−7.1% | Reduced |
| Morgan Stanley | 329,163 | $5.60M | 0.00% | −690,455−67.7% | Reduced |
| Renaissance Technologies LLC | 381,700 | $6.49M | 0.01% | +122,909+47.5% | Added |
| Schonfeld Strategic Advisors LLC | 433,667 | $7.37M | 0.06% | +396,612+1,070.3% | Added |
| Vivaldi Asset Management, LLC | 434,061 | $7.38M | 0.39% | +434,061 | New |
| Vanguard Fiduciary Trust Co | 434,518 | $7.39M | 0.00% | +434,518 | New |
| Vanguard Portfolio Management LLC | 462,923 | $7.87M | 0.00% | +462,923 | New |
| Cinctive Capital Management LP | 500,000 | $8.50M | 0.56% | +500,000 | New |
| Gabelli Funds LLC | 505,543 | $8.59M | 0.06% | +505,543 | New |
| Charles Schwab Investment Management Inc | 558,012 | $9.49M | 0.00% | +3,664+0.7% | Added |
| Prescott Group Capital Management, L.L.C. | 576,870 | $9.81M | 0.98% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 584,315 | $9.93M | 0.02% | +201,742+52.7% | Added |
| London Co of Virginia | 584,424 | $9.94M | 0.06% | 00.0% | Unchanged |
| Harvey Partners, LLC | 610,000 | $10.4M | 0.84% | −3,093,215−83.5% | Reduced |
| TIG Advisors, LLC | 642,867 | $10.9M | 0.52% | +642,867 | New |
| Northern Trust Corp | 669,478 | $11.4M | 0.00% | +32,498+5.1% | Added |
| CNH Partners LLC | 730,615 | $12.4M | 0.20% | +730,615 | New |
| Goldman Sachs Group Inc | 858,621 | $14.6M | 0.00% | +223,901+35.3% | Added |
| Omers Administration Corp | 864,000 | $14.7M | 0.09% | +864,000 | New |
| Sand Grove Capital Management LLP | 893,190 | $15.2M | 3.55% | +893,190 | New |
| Beryl Capital Management LLC | 912,537 | $15.5M | 14.28% | +912,537 | New |
| Jennison Associates LLC | 1,029,264 | $17.5M | 0.01% | −2,777,240−73.0% | Reduced |
| Minerva Advisors LLC | 1,029,703 | $17.5M | 11.30% | −360,104−25.9% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,054,360 | $17.9M | 0.01% | +258,151+32.4% | Added |
| Millennium Management LLC | 1,131,127 | $19.2M | 0.01% | −466,354−29.2% | Reduced |
| Oddo BHF Asset Management SAS | 1,166,388 | $19.8M | 0.78% | +1,166,388 | New |
| Water Island Capital LLC | 1,263,580 | $21.5M | 2.86% | +1,263,580 | New |
| Qube Research & Technologies Ltd | 1,383,585 | $23.5M | 0.03% | +753,487+119.6% | Added |
| State Street Corp | 1,577,722 | $26.8M | 0.00% | −11,658−0.7% | Reduced |
| Balyasny Asset Management LLC | 1,626,990 | $27.7M | 0.05% | +1,626,990 | New |
| Geode Capital Management, LLC | 1,678,166 | $28.5M | 0.00% | +47,755+2.9% | Added |
| Two Sigma Investments, LP | 1,989,521 | $33.8M | 0.03% | +1,418,839+248.6% | Added |
| FIL Ltd | 2,671,231 | $45.4M | 0.04% | +2,671,231 | New |
| Vanguard Capital Management LLC | 2,856,158 | $48.6M | 0.00% | +2,856,158 | New |
| Glazer Capital, LLC | 2,949,613 | $50.1M | 1.07% | +2,949,613 | New |
| American Century Companies Inc | 3,006,419 | $51.1M | 0.03% | +421,815+16.3% | Added |
| Dimensional Fund Advisors LP | 3,386,372 | $57.6M | 0.01% | −913,740−21.2% | Reduced |
| BlackRock, Inc. | 5,917,589 | $100.6M | 0.00% | −979,626−14.2% | Reduced |
| TCW Group Inc | 0 | $0 | 0.00% | −1,874,234−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −508,266−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −453,539−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −430,762−100.0% | Sold out |
| Castlekeep Investment Advisors LLC | 0 | $0 | 0.00% | −428,358−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −415,767−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −410,971−100.0% | Sold out |
| Simcoe Capital LLC | 0 | $0 | 0.00% | −377,684−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −343,302−100.0% | Sold out |
| Essex Investment Management Co LLC | 0 | $0 | 0.00% | −301,986−100.0% | Sold out |
| Private Management Group Inc | 0 | $0 | 0.00% | −282,493−100.0% | Sold out |
| Nwam LLC | 0 | $0 | 0.00% | −217,450−100.0% | Sold out |
| Segall Bryant & Hamill, LLC | 0 | $0 | 0.00% | −221,799−100.0% | Sold out |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0 | $0 | 0.00% | −212,306−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −206,215−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −205,321−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −187,527−100.0% | Sold out |
| Wittenberg Investment Management, Inc. | 0 | $0 | 0.00% | −183,100−100.0% | Sold out |