VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 1, 2026
Stock Comparison
Illinois Tool Works Inc. vs Marsh & McLennan Companies, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Illinois Tool Works Inc.
ITW · 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 Illinois Tool Works Inc.'s moat claims, evidence, and risks.
View ITW 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: Illinois Tool Works Inc. leads (66 / 100 vs 65 / 100 for Marsh & McLennan Companies, Inc.).
- Segment focus: Illinois Tool Works Inc. has 7 segments (20% in Automotive OEM); Marsh & McLennan Companies, Inc. has 2 segments (62.8% in Risk and Insurance Services).
- Primary market structure: Competitive vs Oligopoly. Pricing power: Moderate vs Moderate.
- Moat breadth: Illinois Tool Works Inc. has 8 moat types across 3 domains; Marsh & McLennan Companies, Inc. has 5 across 3.
Primary market context
Illinois Tool Works Inc.
Automotive OEM
Automotive OEM engineered components and fasteners
Global
Automotive OEMs and Tier suppliers
Component supplier
20%
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
Illinois Tool Works Inc. strengths
Marsh & McLennan Companies, Inc. strengths
Segment mix
Illinois Tool Works Inc. segments
Full profile >Automotive OEM
Competitive
Food Equipment
Oligopoly
Test & Measurement and Electronics
Oligopoly
Welding
Oligopoly
Polymers & Fluids
Competitive
Construction Products
Competitive
Specialty Products
Oligopoly
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.