Ticker · CUSIP 390607109

GLDD

GREAT LAKES DREDGE & DOCK CO
Industrials·Engineering & Construction
···Share
Holders (tracked)
11
Combined shares
4,000,981
Combined value
$51.97M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
11102024Q12025Q4

SEC event timeline

20 events
  1. AQR Capital Management added2026-02-17
    +64,527 shares · 2025Q4
    13F
  2. Two Sigma Investments added2026-02-17
    +150,185 shares · 2025Q4
    13F
  3. Ken Griffin (Citadel Advisors) trimmed2026-02-17
    −10,139 shares · 2025Q4
    13F
  4. Izzy Englander (Millennium Mgmt) added2026-02-17
    +451,346 shares · 2025Q4
    13F
  5. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +132,476 shares · 2025Q4
    13F
  6. D.E. Shaw & Co. added2026-02-17
    +27,222 shares · 2025Q4
    13F
  7. Steve Cohen (Point72) added2026-02-17
    +326,255 shares · 2025Q4
    13F
  8. T. Rowe Price added2026-02-17
    +5,006 shares · 2025Q4
    13F
  9. Renaissance Technologies added2026-02-12
    +3,735 shares · 2025Q4
    13F
  10. Paul Tudor Jones (Tudor Investment) exited2025-12-09
    −387,936 shares · 2025Q3
    13F
  11. AQR Capital Management added2025-11-14
    +122,966 shares · 2025Q3
    13F
  12. Izzy Englander (Millennium Mgmt) added2025-11-14
    +797,411 shares · 2025Q3
    13F
  13. Steve Cohen (Point72) opened position2025-11-14
    +17,988 shares · 2025Q3
    13F
  14. Two Sigma Investments added2025-11-14
    +71,677 shares · 2025Q3
    13F
  15. D.E. Shaw & Co. trimmed2025-11-14
    −49,348 shares · 2025Q3
    13F
  16. T. Rowe Price added2025-11-14
    +1,810 shares · 2025Q3
    13F
  17. Wellington Management exited2025-11-14
    −256,081 shares · 2025Q3
    13F
  18. Renaissance Technologies trimmed2025-11-13
    −129,332 shares · 2025Q3
    13F
  19. Norges Bank (Norway SWF) exited2025-11-13
    −83,800 shares · 2025Q3
    13F
  20. Norges Bank (Norway SWF) trimmed2025-11-12
    −161,500 shares · 2024Q3
    13F

Insider activity

No insider transactions in the last 30 days.
View full insider history for GLDD →

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions1
Added to7
Trimmed1
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
8
$122.1M
2022Q2
8
$118.9M
2022Q3
8
$69K
2022Q4
11
$51.5M
2023Q1
11
$48.7M
2023Q2
11
$71.5M
2023Q3
11
$66.4M
2023Q4
9
$62.4M
2024Q1
10
$69.7M
2024Q2
13
$86.9M
2024Q3
13
$23.2M
2024Q4
12
$25.5M
2025Q1
12
$18.8M
2025Q2
12
$36.0M
2025Q3
10
$31.9M
2025Q4
11
$52.0M

Who owns GLDD

11 super-investors · 2025Q4
Tracked stake
4.00M
shares
Combined value
$52M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added7Trim3
#ManagerSharesValue
1Izzy Englander
Millennium Mgmt
1.60M$21M
2Two Sigma Investments570.7K$7M
3D.E. Shaw & Co.416.1K$5M
4Steve Cohen
Point72
344.2K$5M
5AQR Capital Management261.1K$3M
6Renaissance Technologies258.8K$3M
7Ken Griffin
Citadel Advisors
204.0K$3M
8Ken Griffin
Citadel Advisors
154.0K$2M
9Paul Tudor Jones
Tudor Investment
132.5K$2M
10Ken Griffin
Citadel Advisors
22.1K$290K
11T. Rowe Price40.1K$526

Recent moves

20 transactions
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