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 |
|---|---|---|---|---|---|
| SG Americas Securities, LLC | 27,615 | $469.0K | 0.00% | −78,231−73.9% | Reduced |
| Engineers Gate Manager LP | 27,270 | $463.6K | 0.01% | +5,952+27.9% | Added |
| Vanguard Global Advisers, LLC | 26,816 | $455.9K | 0.00% | +26,816 | New |
| T3 Companies, LLC | 25,060 | $426.0K | 0.58% | +25,060 | New |
| Susquehanna International Group, LLP | 25,010 | $425.2K | 0.00% | +6,958+38.5% | Added |
| Quantinno Capital Management LP | 24,659 | $419.2K | 0.00% | +2,716+12.4% | Added |
| Gsa Capital Partners LLP | 23,603 | $401.0K | 0.02% | +6,923+41.5% | Added |
| ExodusPoint Capital Management, LP | 23,382 | $397.5K | 0.00% | −142,549−85.9% | Reduced |
| PenderFund Capital Management Ltd. | 23,200 | $394.4K | 0.06% | +23,200 | New |
| New York State Common Retirement Fund | 21,453 | $364.7K | 0.00% | +6,700+45.4% | Added |
| HSBC Holdings PLC | 20,480 | $348.1K | 0.00% | −33,214−61.9% | Reduced |
| Advisor Group Holdings, Inc. | 20,269 | $344.6K | 0.00% | −1,374−6.3% | Reduced |
| Quadrant Capital Group LLC | 20,084 | $341.4K | 0.01% | −343−1.7% | Reduced |
| Gamco Investors, Inc. Et Al | 20,000 | $340.0K | 0.00% | +20,000 | New |
| FMR LLC | 19,665 | $334.3K | 0.00% | +1,996+11.3% | Added |
| Citigroup Inc | 19,347 | $328.9K | 0.00% | −28,253−59.4% | Reduced |
| Bailard, Inc. | 18,677 | $317.5K | 0.01% | +2,400+14.7% | Added |
| Yakira Capital Management, Inc. | 18,222 | $309.8K | 0.09% | +18,222 | New |
| Manufacturers Life Insurance Company, The | 18,124 | $308.1K | 0.00% | −2,255−11.1% | Reduced |
| Vanguard Investments Australia, Ltd. | 15,953 | $271.2K | 0.00% | +15,953 | New |
| Prospera Financial Services Inc | 15,500 | $263.5K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 15,318 | $260.4K | 0.00% | −573,854−97.4% | Reduced |
| Ameriprise Financial Inc | 14,975 | $254.6K | 0.00% | −33,613−69.2% | Reduced |
| KLP Kapitalforvaltning AS | 14,500 | $246.5K | 0.00% | 00.0% | Unchanged |
| Murchinson Ltd. | 14,200 | $241.4K | 0.10% | +14,200 | New |
| Equitec Proprietary Markets, LLC | 14,100 | $239.7K | 0.55% | +14,100 | New |
| L2 Asset Management, LLC | 13,841 | $235.3K | 0.02% | +13,841 | New |
| Change Path, LLC | 13,283 | $225.8K | 0.01% | +13,283 | New |
| Two Sigma Securities, LLC | 12,903 | $219.4K | 0.03% | +12,903 | New |
| Signaturefd, LLC | 12,866 | $218.7K | 0.00% | 00.0% | Unchanged |
| Swiss Life Asset Management Ltd | 12,829 | $218.1K | 0.00% | +12,829 | New |
| Keybank National Association | 12,437 | $211.4K | 0.00% | −17,739−58.8% | Reduced |
| Voya Investment Management LLC | 11,867 | $201.7K | 0.00% | −672−5.4% | Reduced |
| Martingale Asset Management L P | 11,502 | $195.5K | 0.00% | −61,300−84.2% | Reduced |
| Jain Global LLC | 11,338 | $192.7K | 0.00% | −5,345−32.0% | Reduced |
| Guggenheim Capital LLC | 10,182 | $173.1K | 0.00% | +10,182 | New |
| Caitong International Asset Management Co., Ltd | 9,649 | $164.0K | 0.03% | +8,863+1,127.6% | Added |
| Group One Trading, L.P. | 9,386 | $159.6K | 0.01% | +9,386 | New |
| Employees Retirement System of Texas | 8,172 | $139.0K | 0.00% | 00.0% | Unchanged |
| Aster Capital Management (DIFC) Ltd | 12,089 | $105.2K | 0.03% | +12,089 | New |
| Ameritas Investment Partners, Inc. | 5,562 | $94.6K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 5,334 | $90.7K | 0.00% | +17+0.3% | Added |
| GAMMA Investing LLC | 3,996 | $67.9K | 0.00% | +653+19.5% | Added |
| State of Alaska, Department of Revenue | 3,908 | $66.0K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 3,398 | $57.8K | 0.00% | +15+0.4% | Added |
| Bogart Wealth, LLC | 3,000 | $51.0K | 0.00% | +3,000 | New |
| Massmutual Trust Co FSB | 2,307 | $39.2K | 0.00% | −330−12.5% | Reduced |
| Parallel Advisors, LLC | 2,304 | $39.2K | 0.00% | +647+39.0% | Added |
| Sterling Capital Management LLC | 2,206 | $37.5K | 0.00% | −30,431−93.2% | Reduced |
| Farther Finance Advisors, LLC | 2,084 | $35.4K | 0.00% | −27−1.3% | Reduced |
| Public Employees Retirement System of Ohio | 1,276 | $21.7K | 0.00% | −3,842−75.1% | Reduced |
| RWM Asset Management, LLC | 1,120 | $19.0K | 0.00% | +1,120 | New |
| Meteora Capital, LLC | 1,079 | $18.3K | 0.00% | +1,079 | New |
| Nisa Investment Advisors, LLC | 1,032 | $17.5K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 925 | $15.7K | 0.00% | +169+22.4% | Added |
| Clear Street Markets LLC | 746 | $12.7K | 0.01% | +746 | New |
| Versant Capital Management, Inc | 743 | $12.6K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 687 | $12.0K | 0.00% | −9,821−93.5% | Reduced |
| Covestor Ltd | 533 | $10.0K | 0.01% | +486+1,034.0% | Added |
| Optiver Holding B.V. | 554 | $9.42K | 0.00% | +236+74.2% | Added |
| The PNC Financial Services Group, Inc. | 443 | $7.53K | 0.00% | +28+6.7% | Added |
| Valued Wealth Advisors LLC | 290 | $4.93K | 0.00% | +290 | New |
| BFSG, LLC | 275 | $4.67K | 0.00% | −171,421−99.8% | Reduced |
| Allworth Financial LP | 247 | $4.20K | 0.00% | −133−35.0% | Reduced |
| TD Waterhouse Canada Inc. | 200 | $3.38K | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 129 | $2.19K | 0.00% | −179−58.1% | Reduced |
| Assetmark, Inc | 123 | $2.09K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 106 | $1.80K | 0.00% | −7,010−98.5% | Reduced |
| True Wealth Design, LLC | 106 | $1.80K | 0.00% | −243−69.6% | Reduced |
| Los Angeles Capital Management LLC | 105 | $1.78K | 0.00% | 00.0% | Unchanged |
| Cullen/Frost Bankers, Inc. | 95 | $1.61K | 0.00% | −1,069−91.8% | Reduced |
| Hantz Financial Services, Inc. | 37 | $1.00K | 0.00% | −28−43.1% | Reduced |
| Parkside Financial Bank & Trust | 55 | $936 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 52 | $884 | 0.00% | +6+13.0% | Added |
| Larson Financial Group LLC | 39 | $663 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 34 | $578 | 0.00% | −23−40.4% | Reduced |
| EverSource Wealth Advisors, LLC | 31 | $527 | 0.00% | −245−88.8% | Reduced |
| Fifth Third Bancorp | 21 | $357 | 0.00% | +21 | New |
| TopTier Wealth Management, LLC | 15 | $255 | 0.00% | +15 | New |
| Jones Financial Companies LLLP | 8 | $136 | 0.00% | 00.0% | Unchanged |
| GHP Investment Advisors, Inc. | 2 | $34 | 0.00% | +2 | New |
| Huntington National Bank | 1 | $17 | 0.00% | 00.0% | Unchanged |
| 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 |