Security key
390607109
Great Lakes Dredge & Dock Corp - Common Stock (GLDD)
CUSIP: 390607109
Q2 2025 13F Holders as of 30 Jun 2025
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 54,577,452
- Total 13F value
- $665,209,845
- Share change
- -767,163
- Put/Call ratio
- 2%
- SEC-reported price per share
- $12.19
- Number of holders
- 188
- Value change
- -$6,488,667
- Number of buys
- 105
- Number of sells
- 86
- Shares outstanding
- 66,399,451
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2025
Institutions
188
Top holders
10
GLDD full security history
Ownership snapshot
Full 13F holder table
Great Lakes Dredge & Dock CORP SEC filings
Great Lakes Dredge & Dock CORP company facts
Broader feeds
Ownership snapshot
Top reported holders of GLDD - Great Lakes Dredge & Dock Corp - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
ALLIANCEBERNSTEIN L.P.
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
31 Mar 2025
13D/G
13F
3/4/5
Lead comparable stake: 4.3%
13D/G row: ALLIANCEBERNSTEIN L.P.
Showing 1-6 of 15 holder rows.
Quick read
ALLIANCEBERNSTEIN L.P. leads the comparable SEC ownership view at 4.3%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens ALLIANCEBERNSTEIN L.P.'s linked filing trail.
Comparable ownership
Top 5
ALLIANCEBERNSTEIN L.P.
4.3%
D. Michael Steuert
0.13%
BlackRock, Inc.
11%
JENNISON ASSOCIATES LLC
8%
DIMENSIONAL FUND ADVISORS LP
6.5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| ALLIANCEBERNSTEIN L.P. |
13D/G
13F
Company
|
4.3%
|
$26,253,687
2,866,123 shares
|
-$9,369,141 | 31 Dec 2024 |
| D. Michael Steuert |
3/4/5
Director
|
0.13%
|
$776,118
89,209 shares
|
— | 31 Mar 2025 |
| BlackRock, Inc. |
13F
Company
|
11%
|
$62,325,815
7,163,887 shares
|
— | 31 Mar 2025 |
| JENNISON ASSOCIATES LLC |
13F
Company
|
8%
|
$46,204,777
5,310,894 shares
|
— | 31 Mar 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
6.5%
|
$37,735,890
4,337,446 shares
|
— | 31 Mar 2025 |
| VANGUARD GROUP INC |
13F
Company
|
5.9%
|
$33,992,413
3,907,174 shares
|
— | 31 Mar 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
188
Shares
54,577,452
Rows available
188
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
188
Q2 2025 holders
188
Holder diff
0
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q2 2025 value | Value change | Value Chg % |
|---|