William von Mueffling’s Fastenal FAST Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $18.1M | Sell |
376,044
-7,790,620
| -95% | -$354M | 2.72% | 14 |
|
|
2026
Q1 | $379M | Sell |
8,166,664
-1,100,224
| -12% | -$49.4M | 2.52% | 15 |
|
|
2025
Q4 | $372M | Buy |
9,266,888
+70,183
| +0.8% | +$2.95M | 2.01% | 25 |
|
|
2025
Q3 | $451M | Sell |
9,196,705
-101,328
| -1% | -$4.79M | 2.48% | 16 |
|
|
2025
Q2 | $391M | Sell |
9,298,033
-270,063
| -3% | -$11M | 2.26% | 21 |
|
|
2025
Q1 | $371M | Sell |
9,568,096
-295,760
| -3% | -$11.1M | 2.4% | 22 |
|
|
2024
Q4 | $355M | Buy |
9,863,856
+52,508
| +0.5% | +$2.05M | 2.14% | 23 |
|
|
2024
Q3 | $350M | Sell |
9,811,348
-292,924
| -3% | -$9.92M | 2.14% | 21 |
|
|
2024
Q2 | $317M | Sell |
10,104,272
-514,380
| -5% | -$17.4M | 2.12% | 22 |
|
|
2024
Q1 | $410M | Sell |
10,618,652
-213,958
| -2% | -$7.56M | 2.58% | 17 |
|
|
2023
Q4 | $351M | Sell |
10,832,610
-262,182
| -2% | -$7.9M | 2.34% | 22 |
|
|
2023
Q3 | $303M | Sell |
11,094,792
-43,196
| -0.4% | -$1.23M | 2.25% | 25 |
|
|
2023
Q2 | $329M | Buy |
11,137,988
+665,650
| +6% | +$18.2M | 2.3% | 26 |
|
|
2023
Q1 | $282M | Sell |
10,472,338
-174,092
| -2% | -$4.46M | 2.3% | 26 |
|
|
2022
Q4 | $252M | Sell |
10,646,430
-172,068
| -2% | -$4.21M | 2.13% | 25 |
|
|
2022
Q3 | $249M | Sell |
10,818,498
-114,048
| -1% | -$2.88M | 2.26% | 24 |
|
|
2022
Q2 | $273M | Sell |
10,932,546
-26,586
| -0.2% | -$716K | 2.28% | 25 |
|
|
2022
Q1 | $325M | Buy |
10,959,132
+292,562
| +3% | +$8.18M | 2.32% | 24 |
|
|
2021
Q4 | $342M | Sell |
10,666,570
-788,720
| -7% | -$23.3M | 2.26% | 25 |
|
|
2021
Q3 | $296M | Sell |
11,455,290
-183,176
| -2% | -$4.97M | 2.02% | 26 |
|
|
2021
Q2 | $303M | Sell |
11,638,466
-186,242
| -2% | -$4.85M | 2.04% | 26 |
|
|
2021
Q1 | $297M | Sell |
11,824,708
-419,914
| -3% | -$10M | 2.16% | 25 |
|
|
2020
Q4 | $299M | Sell |
12,244,622
-57,462
| -0.5% | -$1.35M | 2.24% | 23 |
|
|
2020
Q3 | $277M | Sell |
12,302,084
-140,346
| -1% | -$3.23M | 2.32% | 22 |
|
|
2020
Q2 | $267M | Buy |
12,442,430
+111,140
| +0.9% | +$2.12M | 2.32% | 21 |
|
|
2020
Q1 | $193M | Sell |
12,331,290
-23,712
| -0.2% | -$417K | 2.13% | 22 |
|
|
2019
Q4 | $228M | Sell |
12,355,002
-261,040
| -2% | -$4.67M | 2.12% | 23 |
|
|
2019
Q3 | $206M | Sell |
12,616,042
-55,876
| -0.4% | -$869K | 2% | 24 |
|
|
2019
Q2 | $206M | Sell |
12,671,918
-250,182
| -2% | -$4.12M | 2.09% | 24 |
|
|
2019
Q1 | $208M | Sell |
12,922,100
-43,428
| -0.3% | -$654K | 2.21% | 24 |
|
|
2018
Q4 | $169M | Buy |
12,965,528
+970,588
| +8% | +$13.1M | 2.05% | 24 |
|
|
2018
Q3 | $174M | Sell |
11,994,940
-809,884
| -6% | -$11.5M | 1.96% | 26 |
|
|
2018
Q2 | $154M | Buy |
+12,804,824
| New | +$166M | 1.66% | 28 |
|
Other funds holding FAST
William von Mueffling's FAST Position: Q2 2026 in Review
William von Mueffling reduced its Fastenal (FAST) stake by 95% in Q2 2026, selling an estimated $354M and leaving 376,044 shares worth $18.1M. The position accounts for 2.72% of the portfolio, ranked #14.
William von Mueffling first reported a position in FAST in Q2 2018 and has held it in 33 quarters since. The position peaked at $451M in Q3 2025. 1,452 funds tracked by Wall St. Rank hold FAST as of Q2 2026.
- William von Mueffling held 376,044 shares of Fastenal worth $18.1M as of Q2 2026.
- William von Mueffling sold 7,790,620 Fastenal shares in Q2 2026, an estimated $354M.
- Fastenal made up 2.72% of William von Mueffling's portfolio in Q2 2026, its #14 holding.
- William von Mueffling first reported a position in Fastenal in Q2 2018 and has held it in 33 quarters since.
- William von Mueffling's Fastenal position peaked at $451M in Q3 2025.
- 1,452 funds tracked by Wall St. Rank held Fastenal as of Q2 2026.
Based on Cantillon Capital Management's 13F filing for Q2 2026, filed 29 Jul 2026.