VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Saturday, January 10, 2026
Stock Comparison
Arthur J. Gallagher & Co. vs ASML Holding N.V.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Arthur J. Gallagher & Co.
AJG · 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 Arthur J. Gallagher & Co.'s moat claims, evidence, and risks.
View AJG analysisASML Holding N.V.
ASML · Euronext Amsterdam
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into ASML Holding N.V.'s moat claims, evidence, and risks.
View ASML analysisComparison highlights
- Moat score gap: ASML Holding N.V. leads (76 / 100 vs 69 / 100 for Arthur J. Gallagher & Co.).
- Segment focus: Arthur J. Gallagher & Co. has 2 segments (86% in Brokerage); ASML Holding N.V. has 3 segments (23% in Installed Base Management (service, upgrades, field options)).
- Primary market structure: Oligopoly vs Quasi-Monopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Arthur J. Gallagher & Co. has 4 moat types across 2 domains; ASML Holding N.V. has 6 across 2.
Primary market context
Arthur J. Gallagher & Co.
Brokerage
Insurance and reinsurance brokerage and consulting
Global
Commercial, industrial, public sector, nonprofit and other organizations; underwriting enterprises for reinsurance placements
Intermediary / broker / advisor
86%
ASML Holding N.V.
Installed Base Management (service, upgrades, field options)
Service, upgrades and field options for installed ASML lithography tools
Global
Owners/operators of ASML lithography systems
Aftermarket service provider
23%
Side-by-side metrics
Moat coverage
Shared moat types
Arthur J. Gallagher & Co. strengths
ASML Holding N.V. strengths
Segment mix
Arthur J. Gallagher & Co. segments
Full profile >Brokerage
Oligopoly
Risk Management
Competitive
ASML Holding N.V. segments
Full profile >EUV lithography systems (incl. High-NA)
Monopoly
DUV lithography systems
Oligopoly
Installed Base Management (service, upgrades, field options)
Quasi-Monopoly
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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.