FAST
Fastenal CO
3 of the 83 super-investors we track hold FAST, worth a combined $299M per their latest 13F filings. The largest position: William Von Mueffling at 2.7% of their portfolio. This quarter the cohort logged 0 buys and 1 sell on the name. Conviction score: 24 of 100 (how strongly the cohort backs it) — ranked #569 of 742 stocks. The stock is up 5.3x since a tracked investor first held it at conviction size (Q1 2014 or earlier).
Held through it: Mairs & Power Funds (49q straight), David Rolfe (14q straight), William Von Mueffling (32q straight) and 2 more. All multibaggers the cohort held →
Why super-investors own FAST
FAST is held by 3 super-investors in our cohort, with a combined position value of $299M. The highest-conviction owner is William Von Mueffling at 2.7% of their portfolio. This quarter the cohort registered 1 trimmed.
AI-synthesized from 13F filings. Not investment advice.
Cohort owners over time
2016Q3 → 2026Q2How many of the cohort members held this stock each quarter.
Owners (3) · click any column to sort
| #↑ | Manager | % Port. | History | Value | Shares |
|---|---|---|---|---|---|
| 1 | Mairs & Power Funds | 1.7% | 40q | $186M | 3,870,891 |
| 2 | Joel Greenblatt | 0.1% | 38q | $95M | 1,973,383 |
| 3 | William Von Mueffling | 2.7% | 33q | $18M | 376,044 |
Owners of FAST also hold
Congress is trading FAST
Congress tracker →- Josh Gottheimersold$1,001 - $15,000 · 2025-04-09
- Sheri Biggssold$15,001 - $50,000 · 2025-03-19 · late
- Josh Gottheimersold$1,001 - $15,000 · 2024-06-21
- Josh Gottheimersold$1,001 - $15,000 · 2024-04-05
- Josh Gottheimersold$1,001 - $15,000 · 2023-01-11
- Thomas H Tubervillesold$1,001 - $15,000 · 2022-10-05
STOCK Act periodic transaction reports; amounts are disclosed ranges. Who files late →
Recent activity (1)
| Manager | Move | % Port. | Δ Shares | Value | Filed |
|---|---|---|---|---|---|
| William Von Mueffling | TRIM | 2.7% | -95% | $18M | Jul 29, 2026 |
Long US equity 13F-HR filings only. CUSIP 311900104. Not investment advice.