VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Tuesday, December 30, 2025

Stock Comparison

General Dynamics Corporation vs IDEX Corporation

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

IDEX Corporation

IEX · New York Stock Exchange

Market cap (USD)$13.4B
SectorIndustrials
CountryUS
Data as of2025-12-23
Moat score
58/ 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 IDEX Corporation's moat claims, evidence, and risks.

View IEX analysis

Comparison highlights

  • Moat score gap: General Dynamics Corporation leads (80 / 100 vs 58 / 100 for IDEX Corporation).
  • Segment focus: General Dynamics Corporation has 4 segments (30.1% in Marine Systems (Nuclear subs + surface shipbuilding)); IDEX Corporation has 3 segments (39.6% in Health & Science Technologies (HST)).
  • Primary market structure: Duopoly vs Competitive. Pricing power: Weak vs Moderate.
  • Moat breadth: General Dynamics Corporation has 11 moat types across 3 domains; IDEX Corporation has 7 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%

IDEX Corporation

Health & Science Technologies (HST)

Market

Precision fluidics, optics/photonics, microfluidics, sealing solutions, pneumatic components, and process technologies for life science/diagnostics, semiconductor, aerospace/defense, and industrial markets

Geography

Global

Customer

Life science & diagnostic instrument OEMs, semiconductor/industrial OEMs, specialty industrial customers

Role

Component/subsystem supplier and specialty equipment provider

Revenue share

39.6%

Side-by-side metrics

General Dynamics Corporation
IDEX Corporation
Ticker / Exchange
GD - New York Stock Exchange
IEX - New York Stock Exchange
Market cap (USD)
$92.4B
$13.4B
Sector
Industrials
Industrials
HQ country
US
US
Primary segment
Marine Systems (Nuclear subs + surface shipbuilding)
Health & Science Technologies (HST)
Market structure
Duopoly
Competitive
Market share
45%-55% (estimated)
n/a
HHI estimate
5,000
n/a
Pricing power
Weak
Moderate
Moat score
80 / 100
58 / 100
Moat domains
Demand, Supply, Legal
Demand, Supply, Legal
Last update
2025-12-29
2025-12-23

Moat coverage

Shared moat types

Brand TrustDesign In QualificationProcurement Inertia

General Dynamics Corporation strengths

Service Field NetworkRegulated Standards PipeCapex Knowhow ScaleLong Term ContractsGovernment Contracting RelationshipsCapacity MoatCompliance AdvantageSuite Bundling

IDEX Corporation strengths

Data Workflow LockinInstalled Base ConsumablesLearning Curve YieldIP Choke Point

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%

IDEX Corporation segments

Full profile >

Fluid & Metering Technologies (FMT)

Competitive

37.7%

Health & Science Technologies (HST)

Competitive

39.6%

Fire & Safety/Diversified Products (FSDP)

Competitive

22.7%

Want the full wide moat stocks list?

Browse the full ranking of wide moat stocks, updated with moat scores and segment context.

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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.