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.
Key figures
- Market cap
- –
- Not available
- Insider buys
- 0
- Open market, last 90 days
- Insider sells
- 0
- Open market, last 90 days
- 13F holders
- 182
- Q1 2026, −36 vs. previous quarter
- 13F value
- $931.0M
- Reported value at the end of Q1 2026
- Superinvestors holding
- 0
- At the end of Q1 2026
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $888.3M
- +16.5% year over year
- Net income, FY2025
- $73.5M
- +28.3% year over year
- Free cash flow, FY2025
- $99.5M
- No comparable prior period
- Revenue, Q4 FY2025
- $256.5M
- +26.5% year over year
Short interest
See short dataFrom FINRA, settlement date Mar 31, 2026.
- Short interest
- 1.57M
- Shares sold short
- Change
- −1.36M
- −46.5% vs. previous
- Days to cover
- 1.00
- At average daily volume
Superinvestors holding GLDD, Q1 2026
Go to the superinvestors tabNo superinvestor reported holding GLDD at the end of Q1 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Great Lakes Dredge & Dock CORP insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 12, 2025 (view filing) | Dec 10 | 2 days | Johanson DavidSVP-Project Acquisition & Ops | SSale | −2.10K | $13.96 | −$29.3K | −2.2%92.0K after | 10b5-1 |
| Dec 4, 2025 (view filing) | Dec 3 | 1 day | Johanson DavidSVP-Project Acquisition & Ops | SSale | −10.0K | $13.02 | −$130.2K | −9.6%94.1K after | 10b5-1 |
| Aug 13, 2025 (view filing) | Aug 11 | 2 days | Kornblau Scott LeeSVP & CFO | SSale | −59.8K | $11.48 | −$686.6K | −34.8%112.1K after | 10b5-1 |
| Jun 4, 2025 (view filing) | Jun 3 | 1 day | Steger RonaldDirector | SSale | −5.00K | $11.59 | −$58.0K | −19.7%20.4K after | |
| May 8, 2025 (view filing) | May 6 | 2 days | Beyko EleniSVP - Offshore Energy | SSale | −22.6K | $10.26 | −$231.7K | −31.1%50.1K after | 10b5-1 |
| Mar 5, 2025 (view filing) | Mar 4 | 1 day | Gunsten ChristopherSVP-Proj Svcs & Fleet Engineer | PPurchase | +3.88K | $7.75 | +$30.0K | +6.7%61.5K after | |
| Nov 15, 2024 (view filing) | Nov 14 | 1 day | Dickerson Lawrence RDirector | SSale | −15.9K | $12.04 | −$191.9K | −16.2%82.1K after | |
| Nov 13, 2024 (view filing) | Nov 12 | 1 day | Dickerson Lawrence RDirector | SSale | −5.32K | $12.61 | −$67.1K | −5.1%98.1K after | |
| Nov 12, 2024 (view filing) | Nov 11 | 1 day | Shanahan Kathleen MDirector | SSale | −23.2K | $12.63 | −$293.5K | −25.6%67.7K after | |
| Nov 12, 2024 (view filing) | Nov 11 | 1 day | Steger RonaldDirector | SSale | −12.0K | $12.76 | −$153.1K | −32.1%25.4K after |
Top 10 13F holders, Q1 2026
See all 182 holdersThe largest institutional positions in Great Lakes Dredge & Dock CORP at the end of Q1 2026; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 5,917,589 | $100.6M | 0.00% | −979,626−14.2% | Reduced |
| Dimensional Fund Advisors LP | 3,386,372 | $57.6M | 0.01% | −913,740−21.2% | Reduced |
| American Century Companies Inc | 3,006,419 | $51.1M | 0.03% | +421,815+16.3% | Added |
| Glazer Capital, LLC | 2,949,613 | $50.1M | 1.07% | +2,949,613 | New |
| Vanguard Capital Management LLC | 2,856,158 | $48.6M | 0.00% | +2,856,158 | New |
| FIL Ltd | 2,671,231 | $45.4M | 0.04% | +2,671,231 | New |
| Two Sigma Investments, LP | 1,989,521 | $33.8M | 0.03% | +1,418,839+248.6% | Added |
| Geode Capital Management, LLC | 1,678,166 | $28.5M | 0.00% | +47,755+2.9% | Added |
| Balyasny Asset Management LLC | 1,626,990 | $27.7M | 0.05% | +1,626,990 | New |
| State Street Corp | 1,577,722 | $26.8M | 0.00% | −11,658−0.7% | Reduced |
Holders of 5% or more of GLDD
See all 3 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Great Lakes Dredge & Dock CORP.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 8.20%5.47M shares | −1.80 ppfrom 10.00% | Apr 24, 20253 filings | Apr 28, 2026 | SEC |
| Prudential Financial Inc | 13G/A | 6.30%4.29M shares | −1.60 ppfrom 7.90% | Feb 9, 20216 filings | Nov 7, 2025 | SEC |
| Vanguard Capital Management LLC | 13G | 5.02%3.36M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |