VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Tuesday, December 30, 2025

Stock Comparison

BAE Systems plc vs Sanofi

Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.

BAE Systems plc

BA. · London Stock Exchange

Market cap (USD)
SectorIndustrials
CountryGB
Data as of2025-12-28
Moat score
75/ 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 BAE Systems plc's moat claims, evidence, and risks.

View BA. analysis

Sanofi

SAN · Euronext Paris

Market cap (USD)
SectorHealthcare
CountryFR
Data as of2025-12-30
Moat score
74/ 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 Sanofi's moat claims, evidence, and risks.

View SAN analysis

Comparison highlights

  • Moat score gap: BAE Systems plc leads (75 / 100 vs 74 / 100 for Sanofi).
  • Segment focus: BAE Systems plc has 5 segments (26.6% in Electronic Systems); Sanofi has 3 segments (79.8% in Pharma (Prescription Medicines)).
  • Moat breadth: BAE Systems plc has 8 moat types across 3 domains; Sanofi has 5 across 3.

Primary market context

BAE Systems plc

Electronic Systems

Market

Defence electronics (electronic warfare, avionics, C4ISR, space payloads and mission systems)

Geography

Primarily US and UK; global programmes

Customer

Government defence and intelligence agencies; prime contractors

Role

Subsystem OEM and prime contractor for electronics/mission systems

Revenue share

26.6%

Sanofi

Pharma (Prescription Medicines)

Market

Branded prescription pharmaceuticals (immunology, rare disease, neurology, oncology, general medicines)

Geography

Global

Customer

Patients via payers/providers and channel partners (wholesalers, pharmacies, hospitals)

Role

Research-based drug developer, manufacturer, and marketer

Revenue share

79.8%

Side-by-side metrics

BAE Systems plc
Sanofi
Ticker / Exchange
BA. - London Stock Exchange
SAN - Euronext Paris
Market cap (USD)
n/a
n/a
Sector
Industrials
Healthcare
HQ country
GB
FR
Primary segment
Electronic Systems
Pharma (Prescription Medicines)
Market structure
Oligopoly
Oligopoly
Market share
n/a
n/a
HHI estimate
n/a
n/a
Pricing power
Moderate
Moderate
Moat score
75 / 100
74 / 100
Moat domains
Legal, Demand, Supply
Legal, Supply, Demand
Last update
2025-12-28
2025-12-30

Moat coverage

Shared moat types

No overlap yet.

BAE Systems plc strengths

Government Contracting RelationshipsDesign In QualificationCompliance AdvantageService Field NetworkLong Term ContractsCapex Knowhow ScaleCapacity MoatSwitching Costs General

Sanofi strengths

Regulated Standards PipeIP Choke PointLearning Curve YieldBrand TrustDistribution Control

Segment mix

BAE Systems plc segments

Full profile >

Electronic Systems

Oligopoly

26.6%

Platforms & Services

Oligopoly

16.3%

Air

Oligopoly

26%

Maritime

Oligopoly

22.5%

Cyber & Intelligence

Competitive

8.6%

Sanofi segments

Full profile >

Pharma (Prescription Medicines)

Oligopoly

79.8%

Vaccines

Oligopoly

20.2%

Opella (Consumer Healthcare - Sanofi minority stake)

Competitive

n/a

Want the full wide moat stocks list?

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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.