Great Lakes Dredge & Dock Corporation
US ˙ NasdaqGS ˙ US3906071093
DIESES SYMBOL IST NICHT MEHR AKTIV

SecurityGLDD / Great Lakes Dredge & Dock Corporation
InstitutionFox Run Management, L.l.c.
Latest Disclosed Ownership0 shares
Latest Disclosed Value $ 0
Fox Run Management, L.l.c. closes position in GLDD / Great Lakes Dredge & Dock Corporation

On May 12, 2026 - Fox Run Management, L.l.c. filed a 13F-HR form disclosing ownership of 0 shares of Great Lakes Dredge & Dock Corporation (US:GLDD) valued at $0 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 31,750 shares of Great Lakes Dredge & Dock Corporation. The current value of the position is $0 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-12 2026-03-31 13F GREAT LAKES DREDGE & DOCK COM 390607109 0 -100.00 0
2026-02-11 2025-12-31 13F GREAT LAKES DREDGE & DOCK COM 390607109 31,750 -6,596 -17.20 417 -9.37 0.0643
2025-11-12 2025-09-30 13F GREAT LAKES DREDGE & DOCK COM 390607109 38,346 12,516 48.46 460 46.18 0.0717
2025-08-06 2025-06-30 13F GREAT LAKES DREDGE & DOCK COM 390607109 25,830 -43,404 -62.69 315 -47.84 0.0525
2025-05-13 2025-03-31 13F GREAT LAKES DREDGE & DOCK COM 390607109 69,234 32,589 88.93 602 45.76 0.0933
2025-02-11 2024-12-31 13F GREAT LAKES DREDGE & DOCK COM 390607109 36,645 10,774 41.65 414 51.84 0.0751
2024-11-12 2024-09-30 13F GREAT LAKES DREDGE & DOCK COM 390607109 25,871 10,204 65.13 272 98.54 0.0606
2024-08-13 2024-06-30 13F GREAT LAKES DREDGE & DOCK COM 390607109 15,667 -9,183 -36.95 138 -36.87 0.0259
2024-05-13 2024-03-31 13F GREAT LAKES DREDGE & DOCK COM 390607109 24,850 24,850 217 0.0469
2020-05-08 2020-03-31 13F GREAT LAKES DREDGE & DOCK COM 390607109 0 -10,271 -100.00 0 -100.00
2020-02-14 2019-12-31 13F GREAT LAKES DREDGE & DOCK COM 390607109 10,271 10,271 116 0.0934
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.