v3.26.1
Statements of Net Assets Available for Benefits - Fastenal Company & Subsidiaries 401(k) and Employee Stock Ownership Plan - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Total investments at fair value    
Total investments at fair value $ 1,206,599,971 $ 1,039,093,227
Receivables:    
Employer contribution 22,245,913 19,717,867
Participant contributions 0 0
Total receivables 22,245,913 19,717,867
Total assets 1,228,845,884 1,058,811,094
Liabilities    
Excess contributions payable 4,870 1,987
Net assets available for benefits $ 1,228,841,014 $ 1,058,809,107