Position in ACA
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$4,382,626
-$11,026,756 QoQ
Shares Held
41,291
-71.5% QoQ
Ownership
0.084%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ACA Over Time
Shares Held
Position Value (USD)
Derivatives in ACA
reported options exposure · as of Mar 31, 2026CallValue
$424,560
CallShares
4,000
PutValue
$0
PutShares
0
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. ACA ranks #23 (0.5% 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 ACA
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $424,560 | 4,000 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $4,382,626 | 41,291 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $574,128 | 5,400 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $425,280 | 4,000 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $15,409,382 | 144,934 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $8,432,587 | 89,986 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $702,825 | 7,500 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $655,970 | 7,000 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $424,879 | 4,900 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $528,931 | 6,100 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $3,674,596 | 42,378 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $485,856 | 6,300 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $701,792 | 9,100 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $2,616,218 | 33,924 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $1,112,510 | 11,500 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $599,788 | 6,200 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $5,350,689 | 55,310 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $4,196,446 | 44,285 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $559,084 | 5,900 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $540,132 | 5,700 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $2,101,013 | 25,189 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $8,341 | 100 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $959,215 | 11,500 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $231,822 | 2,700 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $3,142,476 | 36,600 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $58,814 | 685 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $373,698 | 4,522 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $148,752 | 1,800 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $528,896 | 6,400 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $208,510 | 2,900 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $805,280 | 11,200 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $3,580,548 | 49,799 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $386,427 | 5,100 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $53,039 | 700 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $6,236,855 | 82,313 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $37,866 | 600 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $750,377 | 11,890 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $233,507 | 3,700 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $119,548 | 2,200 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $27,170 | 500 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $867,646 | 15,967 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $976,119 | 17,071 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $283,223 | 6,100 | Call | Defined | 2022-08-15 | |
| 2022-03-31 | $1,476,247 | 25,786 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $1,630,959 | 30,948 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $3,826,715 | 76,275 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $1,028,184 | 17,504 | Shares | Defined | 2021-08-16 | |
| 2021-06-30 | $323,070 | 5,500 | Call | Defined | 2021-08-16 | |
| 2020-12-31 | $1,682,340 | 30,627 | Shares | Defined | 2021-02-16 | |
| 2020-12-31 | $274,375 | 4,995 | Call | Defined | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||