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BLAIR WILLIAM & CO/IL

Position in FAST — Fastenal Co

CIK 902367 CHICAGO, IL

Position in FAST

as of Mar 31, 2026 · filed May 8, 2026
Position Value
$342,140,004
+$60,641,458 QoQ
Shares Held
7,373,707
+5.1% QoQ
Ownership
0.642%
of shares outstanding
% of Portfolio
1.19%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 62.169855677747975.ToString("F0")% Shared 0.ToString("F0")% None 37.830144322252025.ToString("F0")%

Common Shares in FAST Over Time

Shares Held

Position Value (USD)

Position in Industrial Distribution

Industrials · as of Mar 31, 2026

BLAIR WILLIAM & CO/IL holds $673,688,656 across 10 Industrial Distribution names. FAST ranks #1 (50.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 FAST
Fastenal Co
This page
7,373,707 $342,140,004

All Filings in FAST

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $342,140,004 7,373,707
2025-12-31 $281,498,546 7,014,666
2025-09-30 $341,591,258 6,965,564
2025-06-30 $286,564,866 6,822,973
2025-03-31 $127,671,883 3,292,634
2024-12-31 $117,097,057 3,256,767
2024-09-30 $116,935,108 3,274,576
2024-06-30 $102,223,933 3,253,467
2024-03-31 $126,310,270 3,274,832
2023-12-31 $106,086,102 3,275,779
2023-09-30 $89,643,886 3,281,255
2023-06-30 $97,396,147 3,302,124
2023-03-31 $89,172,286 3,306,351
2022-12-31 $77,976,214 3,295,698
2022-09-30 $77,248,352 3,355,706
2022-06-30 $82,926,729 3,322,385
2022-03-31 $102,194,165 3,440,881
2021-12-31 $112,033,060 3,497,754
2021-09-30 $90,989,694 3,526,049
2021-06-30 $90,429,560 3,478,060
2021-03-31 $90,074,055 3,582,898
2020-12-31 $87,010,372 3,563,808
2020-09-30 $81,390,516 3,610,136
2020-06-30 $79,023,156 3,689,223
2020-03-31 $56,900,828 3,641,653