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BLAIR WILLIAM & CO/IL

Position in FAST — Fastenal Co

CIK 902367 CHICAGO, IL

Position in FAST

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$355,761,043
+$13,621,039 QoQ
Shares Held
7,407,059
+0.5% QoQ
Ownership
0.645%
of shares outstanding
% of Portfolio
1.08%
of 13F equity value
Holder Rank
#22
of 1,458 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 62% Shared 0% None 38%

Common Shares in FAST Over Time

Shares Held

Position Value (USD)

Position in Industrial Distribution

Industrials · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $736,083,490 across 12 Industrial Distribution names. FAST ranks #1 (48.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 FAST
Fastenal Co
This page
7,407,059 $355,761,043

All Filings in FAST

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $355,761,043 7,407,059
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 $255,343,766 3,292,634
2024-12-31 $234,194,114 3,256,767
2024-09-30 $233,870,217 3,274,576
2024-06-30 $204,447,866 3,253,467
2024-03-31 $252,620,540 3,274,832
2023-12-31 $212,172,205 3,275,779
2023-09-30 $179,287,773 3,281,255
2023-06-30 $194,792,294 3,302,124
2023-03-31 $178,344,572 3,306,351
2022-12-31 $155,952,429 3,295,698
2022-09-30 $154,496,704 3,355,706
2022-06-30 $165,853,459 3,322,385
2022-03-31 $204,388,331 3,440,881
2021-12-31 $224,066,121 3,497,754
2021-09-30 $181,979,388 3,526,049
2021-06-30 $180,859,120 3,478,060
2021-03-31 $180,148,111 3,582,898
2020-12-31 $174,020,744 3,563,808
2020-09-30 $162,781,032 3,610,136
2020-06-30 $158,046,313 3,689,223
2020-03-31 $113,801,656 3,641,653