Last refreshed: October 26, 2026 (US ET)
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Defensive

FASTENAL CO

Industrials·Trading Companies & DistributorsYield: Mid (1-3%)

Fastenal Company, together with its subsidiaries, engages in the wholesale distribution of industrial and construction supplies in the United States, Canada, Mexico, and internationally. It offers fasteners, and related industrial and construction supplies under the Fastenal name. The company's fastener products include threaded fasteners, bolts, nuts, screws, studs, and related washers that are used in manufactured products and construction projects, as well as in the maintenance and repair of machines.

Close · 3M

+12.60%

FAST · 3M

+12.60%

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Held by 2 AI ETFs

AIEQ2.180%

as of Oct 26

LQAI1.460%

as of Oct 22

Signal performance

Each tracked ETF's moves on this stock, grouped by fund. Returns are measured from the signal date to the latest close — hypothetical, no commissions or slippage.

Buy signals19
Win rate74% (14/19)
Avg buy return+4.44%
AIEQnow 2.180% of fund11 signals

AIEQ · Weight increase · 3d

weight 2.110% → 2.190% (+0.080 pp)·stock up 2.3% in the 30 days before

Oct 23·entry $51.91·now $51.91Fresh

0.00%
since Oct 23

AIEQ · Weight increase · 2d

weight 2.110% → 2.160% (+0.050 pp)·stock up 3.4% in the 30 days before

Oct 22·entry $52.73·now $51.91Fresh

-1.56%
since Oct 22

AIEQ · Weight decrease · 3d

weight 2.100% → 2.030% (-0.070 pp)·stock up 3.5% in the 30 days before

Oct 8·entry $50.49·now $51.91

+2.81%
since Oct 8

AIEQ · Weight decrease · 2d

weight 2.100% → 2.060% (-0.040 pp)·stock up 0.9% in the 30 days before

Oct 7·entry $49.83·now $51.91

+4.17%
since Oct 7

AIEQ · Weight increase · 3d

weight 0 → 2.100% (new)·stock up 5.9% in the 30 days before

Oct 3·entry $50.69·now $51.91Drifting

+2.41%
since Oct 3

AIEQ · Weight increase · 2d

weight 0 → 2.090% (new)·stock up 5.9% in the 30 days before

Oct 2·entry $50.75·now $51.91Drifting

+2.29%
since Oct 2

AIEQ · New entry · 1d

weight 0 → 2.060% (new)·stock up 3.0% in the 30 days before

Oct 1·entry $50.23·now $51.91Drifting

+3.34%
since Oct 1

AIEQ · Exit · 1d

stock down 0.1% in the 30 days before

Aug 2·entry $48.11·now $51.91

+7.90%
since Aug 2

AIEQ · Accumulation · 5d

stock down 0.1% in the 30 days before

Jul 31·entry $47.71·now $51.91Drifting

+8.80%
since Jul 31

AIEQ · Accumulation · 5d

stock down 2.9% in the 30 days before

Jul 30·entry $46.66·now $51.91Chased

+11.25%
since Jul 30

AIEQ · Weight increase · 3d

stock up 1.6% in the 30 days before

Jul 26·entry $47.64·now $51.91Drifting

+8.96%
since Jul 26
LQAInow 1.460% of fund17 signals

LQAI · Accumulation · 5d

weight 1.390% → 1.460% (+0.070 pp)·stock up 3.4% in the 30 days before

Oct 22·entry $52.73·now $51.91Fresh

-1.56%
since Oct 22

LQAI · Weight increase · 2d

weight 1.410% → 1.430% (+0.020 pp)·stock up 4.8% in the 30 days before

Oct 21·entry $52.49·now $51.91Fresh

-1.10%
since Oct 21

LQAI · Weight decrease · 2d

weight 1.370% → 1.330% (-0.040 pp)·stock up 0.9% in the 30 days before

Oct 7·entry $49.83·now $51.91

+4.17%
since Oct 7

LQAI · Weight increase · 2d

weight 1.350% → 1.370% (+0.020 pp)·stock up 5.9% in the 30 days before

Oct 2·entry $50.75·now $51.91Drifting

+2.29%
since Oct 2

LQAI · Weight increase · 2d

weight 0.550% → 1.360% (+0.810 pp)·stock up 0.4% in the 30 days before

Sep 29·entry $49.96·now $51.91Drifting

+3.90%
since Sep 29

LQAI · Weight decrease · 2d

weight 0.560% → 0.540% (-0.020 pp)·stock down 4.7% in the 30 days before

Sep 18·entry $49.01·now $51.91

+5.92%
since Sep 18

LQAI · Weight decrease · 2d

weight 0.570% → 0.550% (-0.020 pp)·stock up 3.4% in the 30 days before

Aug 31·entry $49.31·now $51.91

+5.27%
since Aug 31

LQAI · Weight increase · 2d

weight 0.550% → 0.570% (+0.020 pp)·stock up 14.5% in the 30 days before

Aug 18·entry $51.27·now $51.91Fresh

+1.25%
since Aug 18

LQAI · Weight decrease · 3d

weight 0.590% → 0.550% (-0.040 pp)·stock up 9.3% in the 30 days before

Aug 14·entry $51.02·now $51.91

+1.74%
since Aug 14

LQAI · Weight decrease · 2d

weight 0.590% → 0.560% (-0.030 pp)·stock up 13.2% in the 30 days before

Aug 13·entry $51.34·now $51.91

+1.11%
since Aug 13

LQAI · Weight increase · 2d

weight 0.570% → 0.590% (+0.020 pp)·stock up 12.2% in the 30 days before

Aug 10·entry $52.15·now $51.91Fresh

-0.46%
since Aug 10

LQAI · Sudden change · 1d

stock up 9.2% in the 30 days before

Aug 6·entry $50.80·now $51.91

+2.19%
since Aug 6

LQAI · Accumulation · 5d

stock down 1.0% in the 30 days before

Aug 3·entry $48.11·now $51.91Drifting

+7.90%
since Aug 3

LQAI · Accumulation · 6d

stock down 0.1% in the 30 days before

Jul 31·entry $47.71·now $51.91Drifting

+8.80%
since Jul 31

LQAI · Accumulation · 5d

stock down 2.9% in the 30 days before

Jul 30·entry $46.66·now $51.91Chased

+11.25%
since Jul 30

LQAI · Accumulation · 5d

stock up 0.8% in the 30 days before

Jul 29·entry $47.78·now $51.91Drifting

+8.64%
since Jul 29

LQAI · Weight increase · 4d

stock up 2.1% in the 30 days before

Jul 28·entry $48.10·now $51.91Drifting

+7.92%
since Jul 28
PQUSno longer held1 signal

PQUS · Exit · 1d

weight 0.020% → 0 (exited)·stock up 3.0% in the 30 days before

Oct 1·entry $50.23·now $51.91

+3.34%
since Oct 1

Sell signals show what the stock did after the AI exited. A negative number means the AI's exit was well-timed.

Buffett-style framework

Fails the frameworkas of Oct 25

AIEQ and LQAI are both accumulating Fastenal, with AIEQ now at about 2.19% and LQAI at about 1.46% after several consecutive increases. That conflicts with a Buffett-style read, which respects the business quality but rejects the valuation. The AI buying looks like momentum or quality-factor following, not price discipline.

  • Circle of CompetenceFastenal distributes industrial and construction supplies through branches and on-site vending and inventory programs, and its unit economics are stable and repeatable enough to project ten-year cash flows.
  • Economic MoatIts dense branch network, on-site locations, and embedded inventory-management relationships create scale-driven cost advantages and switching costs that have lasted for decades, though the products themselves are commodity-like.
  • ManagementOnly financial data was provided, so candor and insider ownership cannot be judged directly, though the high ROE suggests disciplined capital allocation.
  • Financial HealthA 35% ROE with 13.5% revenue growth points to excellent returns on capital with modest leverage, and owner earnings are very likely consistently positive given the asset-light distribution model.
  • Margin of SafetyAt 42x earnings, 11.7x book, and roughly 51x EV/EBITDA, the price assumes years of flawless growth and leaves no margin of safety against a cyclical industrial distributor.

Fastenal is a wonderful, predictable business with a real distribution moat and outstanding returns on equity, so it clears the circle of competence, moat, and financial tests. The price is the problem, because a multiple above 40x earnings offers no margin of safety even for a great company. This is a business to admire and watch for a much lower entry point, not one to buy at the current price.

Educational interpretation generated by AI applying frameworks Warren Buffett documented in his shareholder letters and other public writings. Not a statement by Mr. Buffett or Berkshire Hathaway, and not investment advice.