VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Saturday, January 10, 2026
Stock Comparison
Arthur J. Gallagher & Co. vs General Dynamics Corporation
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Arthur J. Gallagher & Co.
AJG · 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 Arthur J. Gallagher & Co.'s moat claims, evidence, and risks.
View AJG analysisGeneral 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 69 / 100 for Arthur J. Gallagher & Co.).
- Segment focus: Arthur J. Gallagher & Co. has 2 segments (86% in Brokerage); 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: Arthur J. Gallagher & Co. has 4 moat types across 2 domains; General Dynamics Corporation has 11 across 3.
Primary market context
Arthur J. Gallagher & Co.
Brokerage
Insurance and reinsurance brokerage and consulting
Global
Commercial, industrial, public sector, nonprofit and other organizations; underwriting enterprises for reinsurance placements
Intermediary / broker / advisor
86%
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
Arthur J. Gallagher & Co. strengths
General Dynamics Corporation strengths
Segment mix
Arthur J. Gallagher & Co. segments
Full profile >Brokerage
Oligopoly
Risk Management
Competitive
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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Proven models entering the expansion stage with unit economics that work.
View expansion-stage stocksCuration & 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.