VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
General Dynamics Corporation vs Halma plc
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
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 analysisHalma plc
HLMA · London 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: General Dynamics Corporation leads (80 / 100 vs 59 / 100 for Halma plc).
- Segment focus: General Dynamics Corporation has 4 segments (30.1% in Marine Systems (Nuclear subs + surface shipbuilding)); Halma plc has 3 segments (40% in Safety).
- Primary market structure: Duopoly vs Competitive. Pricing power: Weak vs Moderate.
- Moat breadth: General Dynamics Corporation has 11 moat types across 3 domains; Halma plc has 4 across 2.
Primary market context
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%
Halma plc
Safety
Safety technologies (fire safety, public safety, worker safety, and protection of critical assets/infrastructure)
Global
Commercial/industrial facility owners and operators; infrastructure operators; installers and OEM channels
Technology OEM / component + systems supplier
40%
Side-by-side metrics
Moat coverage
Shared moat types
General Dynamics Corporation strengths
Halma plc strengths
Segment mix
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
Halma plc segments
Full profile >Safety
Competitive
Environmental & Analysis
Competitive
Healthcare
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.