Position in STN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$20,773,401
-$5,756,064 QoQ
Shares Held
301,457
-1.8% QoQ
Ownership
0.268%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#55
of 288 holders
Holding Since
Mar 2020
20 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in STN Over Time
Shares Held
Position Value (USD)
Derivatives in STN
reported options exposure · as of Jun 30, 2026CallValue
$475,479
CallShares
6,900
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 Jun 30, 2026CITADEL ADVISORS LLC holds $1,093,557,643 across 37 Engineering & Construction names. STN ranks #12 (1.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PWR |
Quanta Services, Inc.
|
632,022 | $455,081,120 | |
| 2 | FIX |
Comfort Systems USA Inc
|
46,859 | $92,872,194 | |
| 3 | EME |
EMCOR Group, Inc.
|
94,598 | $78,504,988 | |
| 4 | DY |
Dycom Industries Inc
|
153,980 | $77,850,748 | |
| 5 | STRL |
Sterling Infrastructure, Inc.
|
69,151 | $58,042,582 | |
| 6 | ACM |
Aecom
|
677,771 | $47,308,415 | |
| 7 | TTEK |
Tetra Tech Inc
|
1,287,534 | $37,196,856 | |
| 8 | FLR |
Fluor Corp
|
592,625 | $31,047,622 |
All Filings in STN
Export CSV
36 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $20,773,401 | 301,457 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $475,479 | 6,900 | Call | Defined | 2026-08-14 | |
| 2026-03-31 | $26,529,465 | 307,054 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $13,674,745 | 144,921 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $204,820 | 1,900 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $250,072 | 2,301 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $923,780 | 8,500 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $182,248 | 2,200 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $5,286,765 | 63,819 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $2,464,427 | 31,414 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $368,715 | 4,700 | Call | Defined | 2025-02-14 | |
| 2024-06-30 | $48,375 | 579 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $367,620 | 4,400 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $75,195 | 900 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $697,536 | 8,400 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $465,024 | 5,600 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $267,554 | 3,222 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $545,292 | 6,800 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $3,298,856 | 41,138 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $577,368 | 7,200 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $123,253 | 1,900 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $935,555 | 14,422 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $188,123 | 2,900 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $1,556,475 | 23,865 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $32,610 | 500 | Call | Defined | 2023-08-14 | |
| 2023-03-31 | $7,796,858 | 133,485 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $29,205 | 500 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $1,793,866 | 37,419 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $162,996 | 3,400 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $100,674 | 2,100 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $4,315,720 | 98,465 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $5,814,217 | 132,775 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $2,696,729 | 53,784 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $1,349,156 | 23,985 | Shares | Defined | 2022-02-14 | |
| 2020-09-30 | $2,948,805 | 97,192 | Shares | Defined | 2020-11-16 | |
| 2020-03-31 | $570,218 | 22,309 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||