VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Fastenal Company vs Marsh & McLennan Companies, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
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 analysisMarsh & McLennan Companies, Inc.
MMC · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Marsh & McLennan Companies, Inc.'s moat claims, evidence, and risks.
View MMC analysisComparison highlights
- Moat score gap: Marsh & McLennan Companies, Inc. leads (65 / 100 vs 60 / 100 for Fastenal Company).
- Segment focus: Fastenal Company has 3 segments (54.5% in Branch-based distribution (in-market branches)); Marsh & McLennan Companies, Inc. has 2 segments (62.8% in Risk and Insurance Services).
- Primary market structure: Competitive vs Oligopoly. Pricing power: Weak vs Moderate.
- Moat breadth: Fastenal Company has 5 moat types across 2 domains; Marsh & McLennan Companies, Inc. has 5 across 3.
Primary market context
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%
Marsh & McLennan Companies, Inc.
Risk and Insurance Services
Insurance brokerage, risk advisory, and reinsurance brokerage/services
Global
Enterprises, public entities, associations, and individuals (via broker/agent channels)
Intermediary + advisor (insurance/reinsurance market intermediary)
62.8%
Side-by-side metrics
Moat coverage
Shared moat types
Fastenal Company strengths
Marsh & McLennan Companies, Inc. strengths
Segment mix
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
Marsh & McLennan Companies, Inc. segments
Full profile >Risk and Insurance Services
Oligopoly
Consulting
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.