Position in ECG
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$7,016,304
-$17,518,111 QoQ
Shares Held
59,430
-79.3% QoQ
Ownership
0.116%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ECG Over Time
Shares Held
Position Value (USD)
Derivatives in ECG
reported options exposure · as of Mar 31, 2026CallValue
$1,475,750
CallShares
12,500
PutValue
$531,270
PutShares
4,500
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 $827,209,445 across 39 Engineering & Construction names. ECG ranks #19 (0.8% 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 ECG
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,475,750 | 12,500 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $7,016,304 | 59,430 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $531,270 | 4,500 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $24,534,415 | 286,751 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $735,816 | 8,600 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $13,440,283 | 156,738 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $9,018,146 | 141,951 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $3,598,731 | 97,027 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $9,697,466 | 147,490 | Shares | Defined | 2025-02-14 | |
| No filing history on record for this holder in this stock. | ||||||