SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in GLDD — Great Lakes Dredge & Dock CORP
CIK 1446194
BALA CYNWYD, PA
Position in GLDD
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$425,170
+$188,328 QoQ
Shares Held
25,010
+38.5% QoQ
Ownership
0.037%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#104
of 181 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in GLDD Over Time
Shares Held
Position Value (USD)
Derivatives in GLDD
reported options exposure · as of Mar 31, 2026CallValue
$11,124,800
CallShares
654,400
PutValue
$870,400
PutShares
51,200
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Engineering & Construction
Industrials · as of Mar 31, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $162,368,554 across 35 Engineering & Construction names. GLDD ranks #29 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | FLR |
Fluor Corp
|
402,842 | $18,792,579 | |
| 2 | AGX |
Argan Inc
|
30,487 | $16,604,744 | |
| 3 | STRL |
Sterling Infrastructure, Inc.
|
36,638 | $14,921,558 | |
| 4 | TPC |
Tutor Perini Corp
|
173,301 | $13,377,104 | |
| 5 | FIX |
Comfort Systems USA Inc
|
8,972 | $12,372,298 | |
| 6 | ROAD |
Construction Partners, Inc.
|
102,837 | $11,427,247 | |
| 7 | PWR |
Quanta Services, Inc.
|
17,051 | $9,361,340 | |
| 8 | IESC |
IES Holdings, Inc.
|
18,030 | $8,590,754 |
All Filings in GLDD
Export CSV
47 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $870,400 | 51,200 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $11,124,800 | 654,400 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $425,170 | 25,010 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $236,842 | 18,052 | Shares | Other | 2026-02-17 | |
| 2025-12-31 | $1,332,992 | 101,600 | Call | Other | 2026-02-17 | |
| 2025-09-30 | $1,117,468 | 93,200 | Call | Other | 2025-11-14 | |
| 2025-09-30 | $1,214,347 | 101,280 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $1,206,761 | 98,996 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $1,093,443 | 89,700 | Call | Other | 2025-08-14 | |
| 2025-03-31 | $1,976,944 | 227,235 | Shares | Other | 2025-05-14 | |
| 2025-03-31 | $873,480 | 100,400 | Put | Other | 2025-05-14 | |
| 2024-12-31 | $1,376,251 | 121,900 | Call | Other | 2025-02-14 | |
| 2024-12-31 | $390,758 | 34,611 | Shares | Other | 2025-02-14 | |
| 2024-09-30 | $748,903 | 71,121 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $1,017,198 | 96,600 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $186,381 | 17,700 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $264,066 | 30,076 | Shares | Defined | 2024-08-15 | |
| 2024-06-30 | $786,688 | 89,600 | Call | Defined | 2024-08-15 | |
| 2024-06-30 | $122,042 | 13,900 | Put | Defined | 2024-08-15 | |
| 2024-03-31 | $1,454,390 | 166,216 | Shares | Defined | 2024-05-07 | |
| 2024-03-31 | $688,625 | 78,700 | Call | Defined | 2024-05-07 | |
| 2024-03-31 | $154,875 | 17,700 | Put | Defined | 2024-05-07 | |
| 2023-12-31 | $228,096 | 29,700 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $1,561,105 | 203,269 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $1,352,835 | 169,741 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $416,976 | 51,100 | Call | Defined | 2023-08-11 | |
| 2023-06-30 | $1,251,531 | 153,374 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $213,306 | 39,283 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $72,179 | 12,131 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $143,224 | 18,895 | Shares | Defined | 2022-11-14 | |
| 2022-03-31 | $163,561 | 11,658 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $497,380 | 31,640 | Shares | Defined | 2022-04-05 | |
| 2021-09-30 | $1,083,899 | 71,829 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $306,810 | 21,000 | Put | Defined | 2021-08-11 | |
| 2021-06-30 | $1,319,794 | 90,335 | Shares | Defined | 2021-08-11 | |
| 2021-06-30 | $207,462 | 14,200 | Call | Defined | 2021-08-11 | |
| 2021-03-31 | $1,278,243 | 87,671 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $2,090,250 | 158,713 | Shares | Defined | 2021-03-26 | |
| 2020-12-31 | $155,406 | 11,800 | Put | Defined | 2021-03-26 | |
| 2020-09-30 | $653,337 | 68,700 | Call | Defined | 2020-11-16 | |
| 2020-09-30 | $864,059 | 90,858 | Shares | Defined | 2020-11-16 | |
| 2020-09-30 | $261,525 | 27,500 | Put | Defined | 2020-11-16 | |
| 2020-06-30 | $1,103,958 | 119,218 | Shares | Defined | 2020-08-14 | |
| 2020-06-30 | $315,766 | 34,100 | Put | Defined | 2020-08-14 | |
| 2020-03-31 | $593,051 | 71,452 | Shares | Defined | 2020-05-15 | |
| 2020-03-31 | $393,420 | 47,400 | Call | Defined | 2020-05-15 | |
| 2020-03-31 | $565,230 | 68,100 | Put | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||