VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Tuesday, December 30, 2025
Stock Comparison
HOYA Corporation vs General Dynamics Corporation
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
HOYA Corporation
7741 · Tokyo 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 HOYA Corporation's moat claims, evidence, and risks.
View 7741 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 72 / 100 for HOYA Corporation).
- Segment focus: HOYA Corporation has 5 segments (48.2% in Eye Health Domain (healthcare-related products)); 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: HOYA Corporation has 7 moat types across 3 domains; General Dynamics Corporation has 11 across 3.
Primary market context
HOYA Corporation
Eye Health Domain (healthcare-related products)
Ophthalmic products (eyeglass lenses, contact lens retail, intraocular lenses)
Global (eyeglass lenses & IOL); Japan (contact lens retail)
Optical retailers, consumers, hospitals/clinics
Manufacturer and retailer
48.2%
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
HOYA Corporation strengths
General Dynamics Corporation strengths
Segment mix
HOYA Corporation segments
Full profile >Eye Health Domain (healthcare-related products)
Oligopoly
Med-Tech Domain (medical-related products)
Oligopoly
Electronics-related products (semiconductor/display photomask materials, HDD substrates)
Oligopoly
Imaging-related products (optical lenses and optical materials)
Competitive
Other (speech synthesis software)
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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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.