VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Tuesday, December 30, 2025

Stock Comparison

General Dynamics Corporation vs GSK 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

Market cap (USD)$92.4B
SectorIndustrials
CountryUS
Data as of2025-12-29
Moat score
80/ 100

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 analysis

GSK plc

GSK · London Stock Exchange

Market cap (USD)$98.8B
SectorHealthcare
CountryGB
Data as of2025-12-28
Moat score
62/ 100

Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.

Full stock profile

Dive deeper into GSK plc's moat claims, evidence, and risks.

View GSK analysis

Comparison highlights

  • Moat score gap: General Dynamics Corporation leads (80 / 100 vs 62 / 100 for GSK plc).
  • Segment focus: General Dynamics Corporation has 4 segments (30.1% in Marine Systems (Nuclear subs + surface shipbuilding)); GSK plc has 3 segments (37.6% in Specialty Medicines).
  • Primary market structure: Duopoly vs Oligopoly. Pricing power: Weak vs Strong.
  • Moat breadth: General Dynamics Corporation has 11 moat types across 3 domains; GSK plc has 4 across 3.

Primary market context

General Dynamics Corporation

Marine Systems (Nuclear subs + surface shipbuilding)

Market

U.S. Navy nuclear-powered submarine construction and major surface combatant shipbuilding/lifecycle services

Geography

United States

Customer

Government (primarily U.S. Navy)

Role

Prime contractor / shipbuilder / lifecycle services

Revenue share

30.1%

GSK plc

Specialty Medicines

Market

Branded specialty pharmaceuticals (HIV, oncology, immunology/respiratory)

Geography

Global

Customer

Hospitals, specialist physicians, payers

Role

Innovator & branded manufacturer

Revenue share

37.6%

Side-by-side metrics

General Dynamics Corporation
GSK plc
Ticker / Exchange
GD - New York Stock Exchange
GSK - London Stock Exchange
Market cap (USD)
$92.4B
$98.8B
Sector
Industrials
Healthcare
HQ country
US
GB
Primary segment
Marine Systems (Nuclear subs + surface shipbuilding)
Specialty Medicines
Market structure
Duopoly
Oligopoly
Market share
45%-55% (estimated)
n/a
HHI estimate
5,000
n/a
Pricing power
Weak
Strong
Moat score
80 / 100
62 / 100
Moat domains
Demand, Supply, Legal
Supply, Legal, Demand
Last update
2025-12-29
2025-12-28

Moat coverage

Shared moat types

Capex Knowhow ScaleCompliance Advantage

General Dynamics Corporation strengths

Brand TrustService Field NetworkRegulated Standards PipeLong Term ContractsGovernment Contracting RelationshipsDesign In QualificationProcurement InertiaCapacity MoatSuite Bundling

GSK plc strengths

IP Choke PointSwitching Costs General

Segment mix

General Dynamics Corporation segments

Full profile >

Aerospace (Gulfstream + Jet Aviation)

Oligopoly

23.6%

Marine Systems (Nuclear subs + surface shipbuilding)

Duopoly

30.1%

Combat Systems (Land vehicles + munitions)

Oligopoly

18.9%

Technologies (C5ISR + Federal IT)

Competitive

27.5%

GSK plc segments

Full profile >

Vaccines

Oligopoly

29.1%

Specialty Medicines

Oligopoly

37.6%

General Medicines

Competitive

33.2%

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Curation & 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.