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CITADEL ADVISORS LLC

Position in FAST — Fastenal Co

CIK 1423053 MIAMI, FL

Position in FAST

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$49,213,927
+$23,639,641 QoQ
Shares Held
1,060,645
+66.4% QoQ
Ownership
0.092%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
not a current holder
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 FAST Over Time

Shares Held

Position Value (USD)

Derivatives in FAST

reported options exposure · as of Mar 31, 2026
CallValue
$35,124,800
CallShares
757,000
PutValue
$1,294,560
PutShares
27,900

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 Industrial Distribution

Industrials · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $540,909,465 across 19 Industrial Distribution names. FAST ranks #5 (9.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 FAST
Fastenal Co
This page
1,060,645 $49,213,927

All Filings in FAST

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $49,213,927 1,060,645
2026-03-31 $1,294,560 27,900
2026-03-31 $35,124,800 757,000
2025-12-31 $25,574,286 637,286
2025-12-31 $35,037,503 873,100
2025-12-31 $6,280,345 156,500
2025-09-30 $11,718,402 238,956
2025-09-30 $3,079,712 62,800
2025-09-30 $26,417,848 538,700
2025-06-30 $74,510,100 1,774,050
2025-06-30 $21,378,000 509,000
2025-06-30 $6,615,000 157,500
2025-03-31 $16,266,112 419,500
2025-03-31 $113,323,116 2,922,582
2025-03-31 $7,095,825 183,000
2024-12-31 $16,571,659 460,900
2024-12-31 $5,382,463 149,700
2024-12-31 $12,038,309 334,816
2024-09-30 $23,482,896 657,600
2024-09-30 $3,292,639 92,205
2024-09-30 $3,863,822 108,200
2024-06-30 $26,194,854 833,700
2024-06-30 $15,802,562 502,946
2024-06-30 $8,056,088 256,400
2024-03-31 $19,251,944 499,143
2024-03-31 $28,183,099 730,700
2024-03-31 $21,155,645 548,500
2023-12-31 $19,809,904 611,700
2023-12-31 $3,055,298 94,343
2023-12-31 $18,436,780 569,300
2023-09-30 $15,050,588 550,900
2023-09-30 $12,340,662 451,708
2023-09-30 $9,633,032 352,600
2023-06-30 $15,213,521 515,800
2023-06-30 $14,072,064 477,100
2023-06-30 $2,980,881 101,064
2023-03-31 $13,099,329 485,700
2023-03-31 $23,675,479 877,845
2023-03-31 $8,217,759 304,700
2022-12-31 $9,627,254 406,900
2022-12-31 $16,453,164 695,400
2022-12-31 $7,222,049 305,243
2022-09-30 $15,703,553 682,170
2022-09-30 $13,298,654 577,700
2022-09-30 $6,054,260 263,000
2022-06-30 $6,000,384 240,400
2022-06-30 $6,360,357 254,822
2022-06-30 $5,044,416 202,100
2022-03-31 $3,552,120 119,600
2022-03-31 $6,946,830 233,900