Quick Takeaways
- DIMENSIONAL FUND ADVISORS LP filed SCHEDULE 13G/A for Great Lakes Dredge & Dock Corp Common Stock (GLDD).
- Disclosed ownership: 5.1%.
- Date of event: 31 Mar 2026.
DIMENSIONAL FUND ADVISORS LP - 31 Mar 2026 SCHEDULE 13G/A Report for Great Lakes Dredge & Dock Corp Common Stock (GLDD)
- Filing Manager
- DIMENSIONAL FUND ADVISORS LP
- Reporting Manager
- Dimensional Fund Advisors LP
- Symbol
- GLDD
- Shares outstanding
- 66,399,451 shares
- Disclosed Ownership
- 3,386,372 shares
- Ownership
- 5.1%
- Form type
- SCHEDULE 13G/A
- Filing time
- 09 Apr 2026, 13:42:20 UTC
- Date of event
- 31 Mar 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"DIMENSIONAL FUND ADVISORS LP disclosed 5.1% ownership in Great Lakes Dredge & Dock Corp Common Stock (GLDD) on 31 Mar 2026."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 09 Apr 2026, 13:42.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Dimensional Fund Advisors LP | 5.1% | 3,386,372 | 3,347,197 | 0 | Selwyn Notelovitz | Global Chief Compliance Officer |