VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Aon plc vs Fastenal Company
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Aon plc
AON · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Fastenal Company
FAST · Nasdaq Stock Market
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Fastenal Company's moat claims, evidence, and risks.
View FAST analysisComparison highlights
- Moat score gap: Aon plc leads (70 / 100 vs 60 / 100 for Fastenal Company).
- Segment focus: Aon plc has 2 segments (67% in Risk Capital); Fastenal Company has 3 segments (54.5% in Branch-based distribution (in-market branches)).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Moderate vs Weak.
- Moat breadth: Aon plc has 6 moat types across 3 domains; Fastenal Company has 5 across 2.
Primary market context
Aon plc
Risk Capital
Large-account commercial insurance & reinsurance brokerage and risk advisory
Global
Enterprises, insurers, reinsurers
Intermediary/advisor
67%
Fastenal Company
Branch-based distribution (in-market branches)
Industrial & construction supplies distribution (MRO/OEM consumables) via local branches
North America (primary) + select international
B2B
Distributor / MRO supplier
54.5%
Side-by-side metrics
Moat coverage
Shared moat types
Aon plc strengths
Fastenal Company strengths
Segment mix
Aon plc segments
Full profile >Risk Capital
Oligopoly
Human Capital
Oligopoly
Fastenal Company segments
Full profile >Branch-based distribution (in-market branches)
Competitive
Onsite solutions (embedded customer locations)
Competitive
Other / non-traditional sales (services & custom manufacturing)
Competitive
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View the moat stocks listCuration & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.