Updated
FastenalFAST · Industrials
$52.99+0.17%
Market cap$60.8B
IndustryIndustrial Distribution
Fastenal (FAST) Superinvestor holders
24 of the superinvestors we track hold Fastenal (FAST) in their latest 13F filings, $785M in total.
Summary
The largest holder is Mairs & Power (Mairs & Power Inc), with $186M, 1.7% of the portfolio.
In their latest quarter: 3 opened a new position, 10 added, 10 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| Mairs & Power Mairs & Power Inc |
Trimmed | 3,870,891 | $186M | 1.7% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Added | 2,473,323 | $117M | 0.0% | Q2 2026 |
| Ensign Peak Ensign Peak Advisors |
Trimmed | 2,041,066 | $98M | 0.2% | Q2 2026 |
| Hersh Cohen ClearBridge Investments |
Added | 1,900,882 | $91M | 0.1% | Q2 2026 |
| Baillie Gifford Baillie Gifford & Co |
Trimmed | 1,757,369 | $87M | 0.1% | Q3 2026 |
| Paul Marshall Marshall Wace |
Added | 628,100 | $30M | 0.0% | Q2 2026 |
| Acadian Acadian Asset Management |
Added | 585,758 | $29M | 0.0% | Q3 2026 |
| Joel Greenblatt Gotham Asset Management |
Trimmed | 567,547 | $27M | 0.1% | Q2 2026 |
| Man Group Man Group plc |
Added | 436,060 | $21M | 0.0% | Q2 2026 |
| Sean Stannard-Stockton Ensemble Capital Management |
Trimmed | 258,447 | $18M | 1.6% | Q3 2024 |
| William von Mueffling Cantillon Capital Management |
Trimmed | 376,044 | $18M | 2.7% | Q2 2026 |
| David Shaw D. E. Shaw & Co. |
Added | 362,809 | $17M | 0.0% | Q2 2026 |
| Paul Tudor Jones Tudor Investment Corp |
New position | 270,971 | $13M | 0.1% | Q2 2026 |
| Jennison Associates | New position | 196,625 | $9M | 0.0% | Q2 2026 |
| Ken Tropin Graham Capital Management |
Added | 175,804 | $8M | 0.3% | Q2 2026 |
| Two Sigma Two Sigma Investments |
Added | 105,267 | $5M | 0.0% | Q2 2026 |
| Jim Simons Renaissance Technologies |
New position | 59,176 | $3M | 0.0% | Q2 2026 |
| Brandon Haley Holocene Advisors |
Trimmed | 49,426 | $2M | 0.0% | Q2 2026 |
| Alan Howard Brevan Howard |
Trimmed | 19,010 | $913,050 | 0.0% | Q2 2026 |
| First Manhattan First Manhattan Co |
Held | 18,016 | $865,308 | 0.0% | Q2 2026 |
| Conestoga Conestoga Capital Advisors |
Trimmed | 16,580 | $821,207 | 0.0% | Q3 2026 |
| Ken Fisher Fisher Investments |
Added | 8,999 | $445,764 | 0.0% | Q3 2026 |
| Fayez Sarofim Fayez Sarofim & Co |
Added | 6,357 | $305,327 | 0.0% | Q2 2026 |
| Fred DiSanto Ancora Holdings |
Trimmed | 1,374 | $65,993 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 23 |
| Q1 2026 | 21 |
| Q4 2025 | 24 |
| Q3 2025 | 21 |
| Q2 2025 | 19 |
| Q1 2025 | 20 |
| Q4 2024 | 20 |
| Q3 2024 | 23 |
Questions about Fastenal
Which superinvestors own Fastenal?
24 of the superinvestors we track hold Fastenal (FAST) in their latest 13F filings, $785M in total. Mairs & Power, Cliff Asness, Ensign Peak, Hersh Cohen, Baillie Gifford, Paul Marshall.
Who is the largest superinvestor holder of FAST?
The largest holder is Mairs & Power (Mairs & Power Inc), with $186M, 1.7% of the portfolio.
From Fastenal's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.