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CITADEL ADVISORS LLC

Position in FSTR — Foster L B Co

CIK 1423053 MIAMI, FL

Position in FSTR

as of Jun 30, 2026 · filed Sep 2, 2026
Position Value
$1,442,368
+$892,642 QoQ
Shares Held
31,932
+56.5% QoQ
Ownership
0.304%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#39
of 133 holders
Holding Since
Jun 2020
16 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in FSTR Over Time

Shares Held

Position Value (USD)

Derivatives in FSTR

reported options exposure · as of Mar 31, 2025
CallValue
$125,952
CallShares
6,400
PutValue
$61,008
PutShares
3,100

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 Railroads

Industrials · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $961,605,556 across 11 Railroads names. FSTR ranks #9 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in FSTR

Export CSV
33 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,442,368 31,932
2025-09-30 $549,726 20,398
2025-06-30 $988,589 45,203
2025-03-31 $1,018,577 51,757
2025-03-31 $125,952 6,400
2025-03-31 $61,008 3,100
2024-12-31 $819,777 30,475
2024-12-31 $158,710 5,900
2024-12-31 $78,010 2,900
2024-09-30 $57,204 2,800
2024-09-30 $77,634 3,800
2024-09-30 $686,324 33,594
2024-06-30 $114,056 5,300
2024-06-30 $8,608 400
2024-06-30 $612,759 28,474
2023-09-30 $194,773 10,300
2023-09-30 $248,231 13,127
2023-09-30 $37,820 2,000
2023-06-30 $28,560 2,000
2023-06-30 $219,140 15,346
2023-06-30 $35,700 2,500
2023-03-31 $32,144 2,800
2023-03-31 $30,996 2,700
2023-03-31 $141,387 12,316
2022-12-31 $46,464 4,800
2022-12-31 $294,988 30,474
2022-12-31 $15,488 1,600
2021-09-30 $319,094 20,600
2021-06-30 $277,736 14,900
2021-06-30 $306,739 16,456
2021-03-31 $480,794 26,860
2020-09-30 $291,214 21,700
2020-06-30 $146,855 11,500