VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Marsh & McLennan Companies, Inc. vs UnitedHealth Group Incorporated
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 analysisUnitedHealth Group Incorporated
UNH · 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 UnitedHealth Group Incorporated's moat claims, evidence, and risks.
View UNH analysisComparison highlights
- Moat score gap: Marsh & McLennan Companies, Inc. leads (65 / 100 vs 64 / 100 for UnitedHealth Group Incorporated).
- Segment focus: Marsh & McLennan Companies, Inc. has 2 segments (62.8% in Risk and Insurance Services); UnitedHealth Group Incorporated has 4 segments (74.9% in UnitedHealthcare).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Moderate vs Weak.
- Moat breadth: Marsh & McLennan Companies, Inc. has 5 moat types across 3 domains; UnitedHealth Group Incorporated has 5 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%
UnitedHealth Group Incorporated
UnitedHealthcare
U.S. health benefits / managed care (commercial, Medicare Advantage, Medicaid managed care)
United States (primarily)
Employers, individuals, and government-sponsored programs
Health insurer / managed care organization
74.9%
Side-by-side metrics
Moat coverage
Shared moat types
Marsh & McLennan Companies, Inc. strengths
UnitedHealth Group Incorporated strengths
Segment mix
Marsh & McLennan Companies, Inc. segments
Full profile >Risk and Insurance Services
Oligopoly
Consulting
Competitive
UnitedHealth Group Incorporated segments
Full profile >UnitedHealthcare
Oligopoly
Optum Health
Competitive
Optum Insight
Competitive
Optum Rx
Oligopoly
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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.