GLDD
Great Lakes Dredge & Dock CORPCompany with tickers: GLDD
CIK
1372020
CUSIP
390607109
Shares Outstanding
66,780,798
Website
https://www.gldd.com
13F Activity (30d)
11 filings
8 filers
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-03-30 | 1,071,570 | 393,072 | 1,464,642 | 32.6% |
| 2026-03-23 | 2,355,418 | 884,799 | 3,240,217 | 38.1% |
| 2026-03-16 | 1,612,298 | 1,760,997 | 3,373,295 | 33.0% |
| 2026-03-09 | 2,700,487 | 2,057,450 | 4,757,937 | 50.9% |
| 2026-03-02 | 2,415,319 | 2,740,891 | 5,156,210 | 50.3% |
| 2026-02-23 | 1,660,475 | 564,728 | 2,225,203 | 35.3% |
| 2026-02-16 | 1,704,466 | 1,151,492 | 2,855,958 | 40.6% |
| 2026-02-09 | 5,002,444 | 5,183,891 | 10,186,335 | 42.5% |
| 2026-02-02 | 620,636 | 710,216 | 1,330,852 | 38.9% |
| 2026-01-26 | 746,772 | 1,057,167 | 1,803,939 | 47.2% |
| 2026-01-19 | 836,633 | 1,065,491 | 1,902,124 | 39.8% |
| 2026-01-12 | 1,398,127 | 2,484,848 | 3,882,975 | 49.1% |
| 2026-01-05 | 513,154 | 763,043 | 1,276,197 | 47.1% |
| 2025-12-29 | 184,113 | 462,727 | 646,840 | 46.8% |
| 2025-12-22 | 241,578 | 204,061 | 445,639 | 36.7% |
| 2025-12-15 | 291,273 | 477,635 | 768,908 | 31.7% |
| 2025-12-08 | 412,803 | 718,347 | 1,131,150 | 38.6% |
| 2025-12-01 | 269,703 | 566,228 | 835,931 | 43.7% |
| 2025-11-24 | 186,444 | 194,653 | 381,097 | 30.8% |
| 2025-11-17 | 280,194 | 307,298 | 587,492 | 31.3% |
| 2025-11-10 | 451,641 | 287,255 | 738,896 | 36.3% |
| 2025-11-03 | 650,597 | 472,506 | 1,123,103 | 36.8% |
| 2025-10-27 | 727,425 | 299,397 | 1,026,822 | 37.4% |
| 2025-10-20 | 323,375 | 198,387 | 521,762 | 34.9% |
| 2025-10-13 | 326,635 | 394,165 | 720,800 | 36.2% |
| 2025-10-06 | 232,807 | 238,878 | 471,685 | 31.6% |
| 2025-09-29 | 300,679 | 334,076 | 634,755 | 35.3% |
| 2025-09-22 | 474,101 | 583,714 | 1,057,815 | 45.1% |
| 2025-09-15 | 426,054 | 545,728 | 971,782 | 31.9% |
| 2025-09-08 | 288,977 | 242,223 | 531,200 | 31.8% |
| 2025-09-01 | 271,745 | 236,066 | 507,811 | 33.4% |
| 2025-08-25 | 243,020 | 245,401 | 488,421 | 33.3% |
| 2025-08-18 | 293,879 | 256,186 | 550,065 | 32.3% |
| 2025-08-11 | 465,385 | 389,973 | 855,358 | 33.1% |
| 2025-08-04 | 514,216 | 420,961 | 935,177 | 35.4% |
| 2025-07-28 | 402,173 | 277,767 | 679,940 | 34.6% |
| 2025-07-21 | 262,339 | 279,337 | 541,676 | 31.2% |
| 2025-07-14 | 320,485 | 470,812 | 791,297 | 37.8% |
| 2025-07-07 | 361,050 | 574,430 | 935,480 | 41.2% |
| 2025-06-30 | 445,183 | 317,174 | 762,357 | 40.5% |
| 2025-06-23 | 534,299 | 858,368 | 1,392,667 | 43.2% |
| 2025-06-16 | 355,889 | 408,889 | 764,778 | 29.4% |
Showing 1–42 of 42 weeks