VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
James Hardie Industries plc vs Marsh & McLennan Companies, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
James Hardie Industries plc
JHX · ASX
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into James Hardie Industries plc's moat claims, evidence, and risks.
View JHX 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: James Hardie Industries plc leads (74 / 100 vs 65 / 100 for Marsh & McLennan Companies, Inc.).
- Segment focus: James Hardie Industries plc has 4 segments (64.2% in Siding & Trim); Marsh & McLennan Companies, Inc. has 2 segments (62.8% in Risk and Insurance Services).
- Primary market structure: Quasi-Monopoly vs Oligopoly. Pricing power: Moderate vs Moderate.
- Moat breadth: James Hardie Industries plc has 5 moat types across 2 domains; Marsh & McLennan Companies, Inc. has 5 across 3.
Primary market context
James Hardie Industries plc
Siding & Trim
North American fiber cement exterior siding & trim (plus related exterior products)
North America (primarily U.S. and Canada)
Homebuilders, contractors, remodelers, dealers/distributors, and retailers
Manufacturer / branded building-products supplier
64.2%
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
James Hardie Industries plc strengths
Marsh & McLennan Companies, Inc. strengths
Segment mix
James Hardie Industries plc segments
Full profile >Siding & Trim
Quasi-Monopoly
Deck, Rail & Accessories
Oligopoly
Australia & New Zealand
Oligopoly
Europe
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.