Position in GLDD
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$637,772
-$1,382,078 QoQ
Shares Held
37,516
-75.6% QoQ
Ownership
0.056%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#83
of 181 holders
Holding Since
Mar 2020
25 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
$0
CallShares
0
PutValue
$304,300
PutShares
17,900
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, 2026CITADEL ADVISORS LLC holds $827,384,171 across 39 Engineering & Construction names. GLDD ranks #34 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | EME |
EMCOR Group, Inc.
|
178,496 | $131,785,381 | |
| 2 | MTZ |
Mastec Inc
|
279,778 | $90,015,773 | |
| 3 | BLD |
QXO Insulation, LLC
|
209,475 | $73,588,567 | |
| 4 | ACM |
Aecom
|
714,657 | $60,617,206 | |
| 5 | TTEK |
Tetra Tech Inc
|
1,740,911 | $52,436,238 | |
| 6 | PWR |
Quanta Services, Inc.
|
88,607 | $48,647,014 | |
| 7 | PRIM |
Primoris Services Corp
|
282,418 | $40,397,070 | |
| 8 | J |
Jacobs Solutions Inc.
|
299,454 | $38,114,504 |
All Filings in GLDD
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $637,772 | 37,516 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $304,300 | 17,900 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $289,952 | 22,100 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $2,019,850 | 153,952 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $2,676,480 | 204,000 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $621,082 | 51,800 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $279,367 | 23,300 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $1,967,451 | 164,091 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $1,840,690 | 151,000 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $5,713,184 | 468,678 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $167,003 | 13,700 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $95,700 | 11,000 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $4,494,497 | 516,609 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $49,590 | 5,700 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $91,449 | 8,100 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $768,849 | 68,100 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $1,233,105 | 109,221 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $395,928 | 37,600 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $33,696 | 3,200 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $1,142,157 | 108,467 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $176,478 | 20,100 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $2,322,213 | 264,489 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $81,654 | 9,300 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $11,375 | 1,300 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $1,965,932 | 224,678 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $113,750 | 13,000 | Call | Defined | 2024-05-15 | |
| 2023-12-31 | $23,040 | 3,000 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $2,318,991 | 301,952 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $107,520 | 14,000 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $1,982,083 | 248,693 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $94,046 | 11,800 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $149,836 | 18,800 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $283,968 | 34,800 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $151,776 | 18,600 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $2,361,291 | 289,374 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $29,865 | 5,500 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $697,043 | 128,369 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $120,546 | 22,200 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $2,063,049 | 346,731 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $32,130 | 5,400 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $33,915 | 5,700 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $2,140,538 | 282,393 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $398,832 | 30,422 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $401,187 | 28,595 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $540,768 | 34,400 | Put | Defined | 2022-02-14 | |
| 2021-12-31 | $593,916 | 37,781 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $158,445 | 10,500 | Put | Defined | 2021-11-15 | |
| 2021-09-30 | $745,415 | 49,398 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $239,136 | 16,368 | Shares | Defined | 2021-08-16 | |
| 2021-06-30 | $447,066 | 30,600 | Call | Defined | 2021-08-16 | |
| No filing history on record for this holder in this stock. | ||||||