VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 7, 2026
Stock Comparison
Chubb Limited vs Merck & Co., Inc.
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 analysisMerck & Co., Inc.
MRK · 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 Merck & Co., Inc.'s moat claims, evidence, and risks.
View MRK analysisComparison highlights
- Moat score gap: Merck & Co., Inc. leads (71 / 100 vs 68 / 100 for Chubb Limited).
- Segment focus: Chubb Limited has 6 segments (40% in North America Commercial P&C Insurance); Merck & Co., Inc. has 2 segments (89.5% in Pharmaceutical).
- Moat breadth: Chubb Limited has 6 moat types across 4 domains; Merck & Co., Inc. has 5 across 3.
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%
Merck & Co., Inc.
Pharmaceutical
Branded prescription pharmaceuticals & human vaccines
Global
Wholesalers/retailers, managed care and government payers, hospitals/clinics
R&D-intensive innovator, manufacturer, and marketer
89.5%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
Chubb Limited strengths
Merck & Co., Inc. 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
Merck & Co., Inc. segments
Full profile >Pharmaceutical
Competitive
Animal Health
Oligopoly
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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.