VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 7, 2026
Stock Comparison
Marsh & McLennan Companies, Inc. vs ResMed Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Marsh & 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 analysisResMed Inc.
RMD · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: ResMed Inc. leads (76 / 100 vs 65 / 100 for Marsh & McLennan Companies, Inc.).
- Segment focus: Marsh & McLennan Companies, Inc. has 2 segments (62.8% in Risk and Insurance Services); ResMed Inc. has 2 segments (87.5% in Sleep and Breathing Health).
- Moat breadth: Marsh & McLennan Companies, Inc. has 5 moat types across 3 domains; ResMed Inc. has 7 across 2.
Primary market context
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%
ResMed Inc.
Sleep and Breathing Health
Sleep apnea and respiratory care devices and related consumables (PAP, masks, ventilation) plus connected monitoring services
Global
DME/HME providers, sleep clinics, hospitals, patients
Medical device OEM + connected care software/data services
87.5%
Side-by-side metrics
Moat coverage
Shared moat types
Marsh & McLennan Companies, Inc. strengths
ResMed Inc. strengths
Segment mix
Marsh & McLennan Companies, Inc. segments
Full profile >Risk and Insurance Services
Oligopoly
Consulting
Competitive
ResMed Inc. segments
Full profile >Sleep and Breathing Health
Oligopoly
Residential Care Software
Competitive
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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.