VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Saturday, January 10, 2026
Stock Comparison
Chubb Limited vs Vertex Pharmaceuticals Incorporated
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Chubb 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 analysisVertex Pharmaceuticals Incorporated
VRTX · NASDAQ
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Vertex Pharmaceuticals Incorporated's moat claims, evidence, and risks.
View VRTX analysisComparison highlights
- Moat score gap: Vertex Pharmaceuticals Incorporated leads (99 / 100 vs 68 / 100 for Chubb Limited).
- Segment focus: Chubb Limited has 6 segments (40% in North America Commercial P&C Insurance); Vertex Pharmaceuticals Incorporated has 3 segments (99.9% in Cystic Fibrosis CFTR Modulators).
- Primary market structure: Competitive vs Quasi-Monopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Chubb Limited has 6 moat types across 4 domains; Vertex Pharmaceuticals Incorporated has 7 across 4.
Primary market context
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%
Vertex Pharmaceuticals Incorporated
Cystic Fibrosis CFTR Modulators
CFTR modulator therapies for cystic fibrosis
U.S., Europe, Australia, Canada
Patients (via specialty pharmacies/payers); CF care centers
Drug developer/manufacturer
99.9%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
Chubb Limited strengths
Vertex Pharmaceuticals Incorporated strengths
Segment mix
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
Vertex Pharmaceuticals Incorporated segments
Full profile >Cystic Fibrosis CFTR Modulators
Quasi-Monopoly
Hemoglobinopathies Gene Therapy (CASGEVY)
Oligopoly
Acute Pain (JOURNAVX)
Competitive
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Proven models entering the expansion stage with unit economics that work.
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.