FAST — FASTENAL CO COM COM

Ownership history in BLAIR WILLIAM & CO/IL  ·  107 quarters on record

This page tracks every 13F SEC filing in which BLAIR WILLIAM & CO/IL reported a position in FASTENAL CO COM COM (FAST). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
1.78% (2007 Q4)
Avg. % of fund
0.59%
First filed
1999 Q2
Last filed
2025 Q4
Quarters held
107
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 7,014,666 +49,102 +0.7% 0.76% $281.5M $39.91
2025 Q3 ADDED 6,965,564 +142,591 +2.1% 0.91% $341.6M $48.52
2025 Q2 ADDED 6,822,973 +3,530,339 +107.2% 0.80% $286.6M $41.36
2025 Q1 ADDED 3,292,634 +35,867 +1.1% 0.77% $255.3M $37.98
103 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    FAST price (monthly, adj. close)

Other funds also holding FAST

As of 2025 Q4 — sorted by position size

STEGINSKY CAPITAL LLC 3Y 7Y 10.79% CALEDONIA INVESTMENTS PLC 3Y 7Y 6.16% POSTROCK PARTNERS LLC 5.91% Quantum Capital Management, LLC / NJ 3Y 7Y 4.49% HARVEY INVESTMENT CO LLC 3Y 7Y 4.32% Diversified Investment Strategies, LLC 3Y 7Y 4.07% Long Road Investment Counsel, LLC 3Y 7Y 3.67% Carolina Wealth Advisors, LLC 3Y 3.47% Loudon Investment Management, LLC 3Y 7Y 3.33% Kampmann Melissa S. 3.22%
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