VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Nabtesco Corporation vs Marsh & McLennan Companies, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Nabtesco Corporation
6268 · Tokyo 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 Nabtesco Corporation's moat claims, evidence, and risks.
View 6268 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: Nabtesco Corporation leads (91 / 100 vs 65 / 100 for Marsh & McLennan Companies, Inc.).
- Segment focus: Nabtesco Corporation has 4 segments (34.2% in Component Solutions Business); Marsh & McLennan Companies, Inc. has 2 segments (62.8% in Risk and Insurance Services).
- Primary market structure: Quasi-Monopoly vs Oligopoly. Pricing power: Strong vs Moderate.
- Moat breadth: Nabtesco Corporation has 5 moat types across 3 domains; Marsh & McLennan Companies, Inc. has 5 across 3.
Primary market context
Nabtesco Corporation
Component Solutions Business
Precision reduction gears (RV reducers) for industrial robot joints
Global
Industrial robot manufacturers (OEMs)
Precision motion-control component supplier
34.2%
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
Nabtesco Corporation strengths
Marsh & McLennan Companies, Inc. strengths
Segment mix
Nabtesco Corporation segments
Full profile >Component Solutions Business
Quasi-Monopoly
Transport Solutions Business
Oligopoly
Accessibility Solutions Business
Quasi-Monopoly
Other Businesses
Quasi-Monopoly
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.