VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 7, 2026
Stock Comparison
American Tower Corporation vs Chubb Limited
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
American Tower Corporation
AMT · 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 American Tower Corporation's moat claims, evidence, and risks.
View AMT 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: American Tower Corporation leads (76 / 100 vs 68 / 100 for Chubb Limited).
- Segment focus: American Tower Corporation has 3 segments; Chubb Limited has 6 segments (40% in North America Commercial P&C Insurance).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Moderate vs Moderate.
- Moat breadth: American Tower Corporation has 6 moat types across 4 domains; Chubb Limited has 6 across 4.
Primary market context
American Tower Corporation
U.S. & Canada Communications Sites
Wireless communications site leasing (macro towers, rooftops and DAS)
United States and Canada
Wireless carriers and other tenants (broadcast, data, government/municipal)
Independent owner/operator of communications real estate (towerco)
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
No overlap yet.
American Tower Corporation strengths
Chubb Limited strengths
Segment mix
American Tower Corporation segments
Full profile >U.S. & Canada Communications Sites
Oligopoly
International Communications Sites
Oligopoly
Data Centers
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
Want the full wide moat stocks list?
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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.