VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Aon plc vs UnitedHealth Group Incorporated
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Aon plc
AON · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
UnitedHealth 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: Aon plc leads (70 / 100 vs 64 / 100 for UnitedHealth Group Incorporated).
- Segment focus: Aon plc has 2 segments (67% in Risk Capital); UnitedHealth Group Incorporated has 4 segments (74.9% in UnitedHealthcare).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Moderate vs Weak.
- Moat breadth: Aon plc has 6 moat types across 3 domains; UnitedHealth Group Incorporated has 5 across 2.
Primary market context
Aon plc
Risk Capital
Large-account commercial insurance & reinsurance brokerage and risk advisory
Global
Enterprises, insurers, reinsurers
Intermediary/advisor
67%
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
Aon plc strengths
UnitedHealth Group Incorporated strengths
Segment mix
Aon plc segments
Full profile >Risk Capital
Oligopoly
Human Capital
Oligopoly
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 Pricing, features, and availability may be incomplete or out of date.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.