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SIMPLEX TRADING, LLC

Position in FAST — Fastenal Co

CIK 1488542 CHICAGO, IL

Position in FAST

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$440,483
-$819,045 QoQ
Shares Held
9,171
-66.2% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#908
of 1,453 holders
Holding Since
Mar 2020
11 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in FAST Over Time

Shares Held

Position Value (USD)

Position in Industrial Distribution

Industrials · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $7,107,398 across 9 Industrial Distribution names. FAST ranks #4 (6.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 FAST
Fastenal Co
This page
9,171 $440,483

All Filings in FAST

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11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $440,483 9,171
2026-03-31 $1,259,528 27,145
2025-12-31 $1,944,298 48,450
2025-09-30 $2,421,350 49,375
2025-06-30 $2,191,602 52,181
2025-03-31 $2,249,415 29,006
2022-03-31 $1,385,564 23,326
2021-09-30 $434,504 8,419
2021-06-30 $453,388 8,719
2021-03-31 $1,740,945 34,625
2020-03-31 $270,718 8,663