VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Aon plc vs General Dynamics Corporation
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.
General Dynamics Corporation
GD · 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 General Dynamics Corporation's moat claims, evidence, and risks.
View GD analysisComparison highlights
- Moat score gap: General Dynamics Corporation leads (80 / 100 vs 70 / 100 for Aon plc).
- Segment focus: Aon plc has 2 segments (67% in Risk Capital); General Dynamics Corporation has 4 segments (30.1% in Marine Systems (Nuclear subs + surface shipbuilding)).
- Primary market structure: Oligopoly vs Duopoly. Pricing power: Moderate vs Weak.
- Moat breadth: Aon plc has 6 moat types across 3 domains; General Dynamics Corporation has 11 across 3.
Primary market context
Aon plc
Risk Capital
Large-account commercial insurance & reinsurance brokerage and risk advisory
Global
Enterprises, insurers, reinsurers
Intermediary/advisor
67%
General Dynamics Corporation
Marine Systems (Nuclear subs + surface shipbuilding)
U.S. Navy nuclear-powered submarine construction and major surface combatant shipbuilding/lifecycle services
United States
Government (primarily U.S. Navy)
Prime contractor / shipbuilder / lifecycle services
30.1%
Side-by-side metrics
Moat coverage
Shared moat types
Aon plc strengths
General Dynamics Corporation strengths
Segment mix
Aon plc segments
Full profile >Risk Capital
Oligopoly
Human Capital
Oligopoly
General Dynamics Corporation segments
Full profile >Aerospace (Gulfstream + Jet Aviation)
Oligopoly
Marine Systems (Nuclear subs + surface shipbuilding)
Duopoly
Combat Systems (Land vehicles + munitions)
Oligopoly
Technologies (C5ISR + Federal IT)
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.