HOUSTON, TX
GREAT LAKES DREDGE & DOCK CORPGLDD— Latest position per institution from SEC 13F filings
15
Institutional holders
49.91M
Total shares held
698.67M
Estimated value
2.50M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
6.91M
Value
60.69M
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
5.92M
Value
100.60M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
3.99M
Value
52.31M
Filed
Dec 31, 2025
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
3.39M
Value
57.57M
Filed
Mar 31, 2026
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
3.01M
Value
51.11M
Filed
Mar 31, 2026
GLAZER CAPITAL, LLC
CIK 1076809
Shares
2.95M
Value
50.14K
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.86M
Value
48.55M
Filed
Mar 31, 2026
FIL LTD
CIK 318989
Shares
2.67M
Value
45.41M
Filed
Mar 31, 2026
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
CIK 1644956
Shares
2.44M
Value
21.46M
Filed
Jun 30, 2024
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
1.99M
Value
33.82M
Filed
Mar 31, 2026
TCW GROUP INC
CIK 850401
Shares
1.87M
Value
24.59M
Filed
Dec 31, 2025
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.68M
Value
28.53M
Filed
Mar 31, 2026
BALYASNY ASSET MANAGEMENT L.P.
CIK 1218710
Shares
1.63M
Value
27.66M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
1.58M
Value
26.82M
Filed
Mar 31, 2026
QUBE RESEARCH & TECHNOLOGIES LTD
CIK 1729829
Shares
1.38M
Value
23.52M
Filed
Mar 31, 2026
WATER ISLAND CAPITAL LLC
CIK 1222765
Shares
1.26M
Value
21.48M
Filed
Mar 31, 2026
ODDO BHF ASSET MANAGEMENT SAS
CIK 1686970
Shares
1.17M
Value
19.83M
Filed
Mar 31, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
1.13M
Value
19.23M
Filed
Mar 31, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
1.05M
Value
17.92M
Filed
Mar 31, 2026
MINERVA ADVISORS LLC
CIK 1541536
Shares
1.03M
Value
17.50M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 6.91M | 60.69M | Jun 30, 2024 |
| 2 | BLACKROCK, INC. | 2012383 | 5.92M | 100.60M | Mar 31, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 3.99M | 52.31M | Dec 31, 2025 |
| 4 | DIMENSIONAL FUND ADVISORS LP | 354204 | 3.39M | 57.57M | Mar 31, 2026 |
| 5 | AMERICAN CENTURY COMPANIES INC | 748054 | 3.01M | 51.11M | Mar 31, 2026 |
| 6 | GLAZER CAPITAL, LLC | 1076809 | 2.95M | 50.14K | Mar 31, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.86M | 48.55M | Mar 31, 2026 |
| 8 | FIL LTD | 318989 | 2.67M | 45.41M | Mar 31, 2026 |
| 9 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1644956 | 2.44M | 21.46M | Jun 30, 2024 |
| 10 | TWO SIGMA INVESTMENTS, LP | 1179392 | 1.99M | 33.82M | Mar 31, 2026 |
| 11 | TCW GROUP INC | 850401 | 1.87M | 24.59M | Dec 31, 2025 |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.68M | 28.53M | Mar 31, 2026 |
| 13 | BALYASNY ASSET MANAGEMENT L.P. | 1218710 | 1.63M | 27.66M | Mar 31, 2026 |
| 14 | STATE STREET CORP | 93751 | 1.58M | 26.82M | Mar 31, 2026 |
| 15 | QUBE RESEARCH & TECHNOLOGIES LTD | 1729829 | 1.38M | 23.52M | Mar 31, 2026 |
| 16 | WATER ISLAND CAPITAL LLC | 1222765 | 1.26M | 21.48M | Mar 31, 2026 |
| 17 | ODDO BHF ASSET MANAGEMENT SAS | 1686970 | 1.17M | 19.83M | Mar 31, 2026 |
| 18 | MILLENNIUM MANAGEMENT LLC | 1273087 | 1.13M | 19.23M | Mar 31, 2026 |
| 19 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 1.05M | 17.92M | Mar 31, 2026 |
| 20 | MINERVA ADVISORS LLC | 1541536 | 1.03M | 17.50M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.