SEC 13F Intelligence

Blair William & Co/Il / FAST

Blair William & Co/Il’s Fastenal Co Position

Does Blair William & Co/Il own Fastenal Co (FAST)? Yes — 7.37M shares worth $342M (+0.98% of its 13F portfolio) as of Q1 2026, up from 7.01M shares the prior filed quarter.

Position Value
$342M
Q1 2026
Shares
7.37M
% of Portfolio
+0.98%
Quarters Held
30
currently held

Position History FAST

Reported value by quarter
Q4 ’18: $111MQ4 ’18Q1 ’19: $132MQ2 ’19: $125MQ3 ’19: $123MQ4 ’19: $142MQ4 ’19Q1 ’20: $114MQ2 ’20: $158MQ3 ’20: $163MQ4 ’20: $174MQ4 ’20Q1 ’21: $180MQ2 ’21: $181MQ3 ’21: $182MQ4 ’21: $224MQ4 ’21Q1 ’22: $204MQ2 ’22: $166MQ3 ’22: $154MQ4 ’22: $156MQ4 ’22Q1 ’23: $178MQ2 ’23: $195MQ3 ’23: $179MQ4 ’23: $212MQ4 ’23Q1 ’24: $253MQ2 ’24: $204MQ3 ’24: $234MQ4 ’24: $234MQ4 ’24Q1 ’25: $255MQ2 ’25: $287MQ3 ’25: $342MQ4 ’25: $281MQ4 ’25Q1 ’26: $342Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 20267.37M$342M+0.98%
Q4 20257.01M$281M+0.76%
Q3 20256.97M$342M+0.91%
Q2 20256.82M$287M+0.80%
Q1 20253.29M$255M+0.77%
Q4 20243.26M$234M+0.68%
Q3 20243.27M$234M+0.69%
Q2 20243.25M$204M+0.63%
Q1 20243.27M$253M+0.79%
Q4 20233.28M$212M+0.72%
Q3 20233.28M$179M+0.69%
Q2 20233.30M$195M+0.71%
Q1 20233.31M$178M+0.71%
Q4 20223.30M$156M+0.68%
Q3 20223.36M$154M+0.71%
Q2 20223.32M$166M+0.74%
Q1 20223.44M$204M+0.72%
Q4 20213.50M$224M+0.70%
Q3 20213.53M$182M+0.62%
Q2 20213.48M$181M+0.63%
Q1 20213.58M$180M+0.68%
Q4 20203.56M$174M+0.64%
Q3 20203.61M$163M+0.69%
Q2 20203.69M$158M+0.75%
Q1 20203.64M$114M+0.71%
Q4 20193.85M$142M+0.73%
Q3 20193.76M$123M+0.71%
Q2 20193.83M$125M+0.71%
Q1 20192.05M$132M+0.80%
Q4 20182.13M$111M+0.81%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Blair William & Co/Il’s full portfolio or all institutional holders of FAST.