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Mariner, LLC

Position in FAST — Fastenal Co

CIK 1373442 Overland Park, KS

Position in FAST

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$283,272,390
+$88,176,167 QoQ
Shares Held
5,897,822
+40.3% QoQ
Ownership
0.514%
of shares outstanding
% of Portfolio
0.45%
of 13F equity value
Holder Rank
#29
of 1,460 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in FAST Over Time

Shares Held

Position Value (USD)

Position in Industrial Distribution

Industrials · as of Jun 30, 2026

Mariner, LLC holds $338,390,010 across 11 Industrial Distribution names. FAST ranks #1 (83.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 FAST
Fastenal Co
This page
5,897,822 $283,272,390

All Filings in FAST

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $283,272,390 5,897,822
2026-03-31 $195,096,223 4,204,660
2025-12-31 $64,451,869 1,606,077
2025-09-30 $78,249,939 1,595,635
2025-06-30 $65,412,606 1,557,443
2025-03-31 $60,396,482 778,807
2024-12-31 $54,013,757 751,130
2024-09-30 $53,876,747 754,365
2024-06-30 $47,518,915 756,189
2024-03-31 $57,531,705 745,809
2023-12-31 $47,026,452 726,053
2023-09-30 $40,372,184 738,876
2023-06-30 $46,782,254 793,054
2023-03-31 $51,153,027 948,332
2022-12-31 $39,994,153 845,185
2022-09-30 $35,719,443 775,835
2022-06-30 $36,069,496 722,546
2022-03-31 $39,324,403 662,027
2021-12-31 $38,910,684 607,410
2021-09-30 $30,337,699 587,826
2021-06-30 $28,501,304 548,102
2021-03-31 $27,191,172 540,795
2020-12-31 $24,256,693 496,758
2020-09-30 $21,488,406 476,567
2020-06-30 $20,043,550 467,870
2020-03-31 $14,052,187 449,670