FAST · CUSIP 311900104
FASTENAL CO
Reported by 3 of 79 curated managers in Q2 2026, in the holdings snapshot last exported 2026-10-26.
- Managers holding
- 3
- Average portfolio weight
- 1.5%
- Combined reported value
- $204.7M
- Research group
- 79
3 of the 79 superinvestors Shameless Cloning tracks reported FASTENAL CO (FAST) in their Q2 2026 13F filings, worth $204.7M combined, at an average 1.5% of their portfolios. The largest positions by portfolio weight belong to William Von Mueffling (2.7%), Mairs & Power Funds (1.7%), Steven Check (0.0%).
Reporting managers
This is a historical 13F snapshot, not a live shareholder register. The count covers all matched managers; dashboard rankings use only those with at least 95% coverage. Reported value is measured at filing quarter-end, not at today's price.
| Manager / SEC filer | % of portfolio | Reported value |
|---|---|---|
| William Von MuefflingCantillon Capital Management LLC | 2.7% | $18.1M |
| Mairs & Power FundsMAIRS & POWER INC | 1.7% | $185.9M |
| Steven CheckCHECK CAPITAL MANAGEMENT INC/CA | 0.0% | $761K |