FASTENAL CO (FAST) Institutional Ownership

FAST is currently held by 3 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $563.91M based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.

The largest disclosed holder is Cantillon Capital Management, which reported ownership valued at approximately $378.93M in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, Cantillon Capital Management's FAST position is now estimated to be worth approximately $377.79M, representing an estimated loss of -0.30% since the filing period.

Major shareholders tracked on this page include Cantillon Capital Management, Mairs & Power Growth Fund, Sequoia Financial Advisors, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.

This page tracks asset manager ownership trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward FASTENAL CO (FAST).

Institutional Ownership Trend

Portfolio quarterInstitutional holdersTotal reported valueTotal shares
Q1 20263$563,905,93612,153,145
Q4 20254$578,174,03414,407,527
Q3 20253$684,863,46313,965,405
Q2 20253$618,039,77014,715,233
Q1 20253$580,843,7607,489,926
Q4 20245$561,740,5047,811,716
Q3 20245$562,667,4857,878,290
Q2 20246$523,563,5888,331,693
Q1 20244$618,176,8068,013,700
Q4 20235$559,029,3978,630,992
Q3 20236$480,975,1479,290,020
Q2 20235$521,851,2588,841,071

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