Security key
390607109
Great Lakes Dredge & Dock Corp - Common Stock (GLDD)
CUSIP: 390607109
Q1 2017 13F Holders as of 31 Mar 2017
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 43,571,555
- Total 13F value
- $174,321,292
- Share change
- +3,054,146
- SEC-reported price per share
- $4.00
- Number of holders
- 90
- Value change
- +$12,079,193
- Number of buys
- 42
- Number of sells
- 47
- Shares outstanding
- 66,399,451
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2017
Institutions
90
Top holders
10
GLDD full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2017
Previous quarter: Q4 2016
Great Lakes Dredge & Dock CORP SEC filings
Great Lakes Dredge & Dock CORP company facts
Broader feeds
Reporting periods
Holder history for CUSIP 390607109
Recent filing periods:
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
DIMENSIONAL FUND ADVISORS LP
Disclosed value leader
DIMENSIONAL FUND ADVISORS LP
Comparable rows
15/15
Latest evidence
31 Dec 2016
13F
Lead comparable stake: 7.8%
Showing 1-6 of 15 holder rows.
Quick read
DIMENSIONAL FUND ADVISORS LP leads the comparable SEC ownership view at 7.8%.
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 DIMENSIONAL FUND ADVISORS LP's linked filing trail.
Comparable ownership
Top 5
DIMENSIONAL FUND ADVISORS LP
7.8%
Boston Partners
6.9%
JENNISON ASSOCIATES LLC
6.2%
WELLINGTON MANAGEMENT GROUP LLP
5.7%
Walthausen & Co., LLC
3.6%
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 |
|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
7.8%
|
$21,632,000
5,150,558 shares
|
— | 31 Dec 2016 |
| Boston Partners |
13F
Company
|
6.9%
|
$19,148,000
4,559,006 shares
|
— | 31 Dec 2016 |
| JENNISON ASSOCIATES LLC |
13F
Company
|
6.2%
|
$17,186,000
4,091,923 shares
|
— | 31 Dec 2016 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
5.7%
|
$15,808,000
3,763,560 shares
|
— | 31 Dec 2016 |
| Walthausen & Co., LLC |
13F
Company
|
3.6%
|
$10,081,000
2,400,266 shares
|
— | 31 Dec 2016 |
| VANGUARD GROUP INC |
13F
Company
|
3.2%
|
$9,019,000
2,147,393 shares
|
— | 31 Dec 2016 |
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 Q1 2017
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
90
Shares
43,571,555
Rows available
90
| 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 Q1 2017 vs Q4 2016 Across Filers
Q4 2016 holders
99
Q1 2017 holders
90
Holder diff
-9
| Investor | Q4 2016 Shares | Q1 2017 Shares | Share Diff | Share Chg % | Q4 2016 value | Q1 2017 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend