Ticker · CUSIP 390607109

GLDD

GREAT LAKES DREDGE & DOCK CO
···Share
Holders (tracked)
11
Combined shares
4,000,981
Combined value
$52.49M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
11102024Q12025Q4

SEC event timeline

20 events
  1. +64,527 shares · 2025Q4
    Position
  2. +150,185 shares · 2025Q4
    Position
  3. −10,139 shares · 2025Q4
    Position
  4. +451,346 shares · 2025Q4
    Position
  5. +132,476 shares · 2025Q4
    Position
  6. +27,222 shares · 2025Q4
    Position
  7. +326,255 shares · 2025Q4
    Position
  8. +5,006 shares · 2025Q4
    Position
  9. +3,735 shares · 2025Q4
    Position
  10. −387,936 shares · 2025Q3
    Position
  11. +122,966 shares · 2025Q3
    Position
  12. +797,411 shares · 2025Q3
    Position
  13. +17,988 shares · 2025Q3
    Position
  14. +71,677 shares · 2025Q3
    Position
  15. −49,348 shares · 2025Q3
    Position
  16. +1,810 shares · 2025Q3
    Position
  17. −256,081 shares · 2025Q3
    Position
  18. −129,332 shares · 2025Q3
    Position
  19. −83,800 shares · 2025Q3
    Position
  20. −161,500 shares · 2024Q3
    Position

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions1
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
$68.7M
2022Q4
11
$59.9M
2023Q1
11
$54.9M
2023Q2
11
$77.5M
2023Q3
11
$71.4M
2023Q4
9
$67.6M
2024Q1
10
$73.9M
2024Q2
13
$87.0M
2024Q3
13
$23.5M
2024Q4
12
$25.8M
2025Q1
12
$19.0M
2025Q2
12
$36.4M
2025Q3
10
$32.4M
2025Q4
11
$52.5M

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
10T. Rowe Price40.1K$526K
11Ken Griffin
Citadel Advisors
22.1K$290K

Recent moves

20 transactions
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