VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 7, 2026
Stock Comparison
AstraZeneca PLC vs Chubb Limited
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
AstraZeneca PLC
AZN · London 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 AstraZeneca PLC's moat claims, evidence, and risks.
View AZN analysisChubb Limited
CB · 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 Chubb Limited's moat claims, evidence, and risks.
View CB analysisComparison highlights
- Moat score gap: AstraZeneca PLC leads (71 / 100 vs 68 / 100 for Chubb Limited).
- Segment focus: AstraZeneca PLC has 6 segments (41% in Oncology); Chubb Limited has 6 segments (40% in North America Commercial P&C Insurance).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Strong vs Moderate.
- Moat breadth: AstraZeneca PLC has 4 moat types across 3 domains; Chubb Limited has 6 across 4.
Primary market context
AstraZeneca PLC
Oncology
Innovator oncology therapeutics (branded prescription medicines)
Global
Hospitals, oncology clinics, payers
Innovator biopharmaceutical company
41%
Chubb Limited
North America Commercial P&C Insurance
Commercial property & casualty and corporate accident & health insurance
North America
Businesses and institutions (middle market to large corporates); specialty commercial
Primary insurer / underwriter
40%
Side-by-side metrics
Moat coverage
Shared moat types
AstraZeneca PLC strengths
Chubb Limited strengths
Segment mix
AstraZeneca PLC segments
Full profile >Oncology
Oligopoly
Cardiovascular, Renal and Metabolism (CVRM)
Competitive
Respiratory & Immunology (R&I)
Oligopoly
Vaccines & Immune Therapies (V&I)
Oligopoly
Rare Disease
Oligopoly
Other Medicines
Competitive
Chubb Limited segments
Full profile >North America Commercial P&C Insurance
Competitive
North America Personal P&C Insurance
Oligopoly
North America Agricultural Insurance
Oligopoly
Overseas General Insurance
Competitive
Global Reinsurance
Oligopoly
Life Insurance
Competitive
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View expansion-stage stocksCuration & 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.