VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Aon plc vs ASML Holding N.V.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Aon plc
AON · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
ASML 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 70 / 100 for Aon plc).
- Segment focus: Aon plc has 2 segments (67% in Risk Capital); 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: Aon plc has 6 moat types across 3 domains; ASML Holding N.V. has 6 across 2.
Primary market context
Aon plc
Risk Capital
Large-account commercial insurance & reinsurance brokerage and risk advisory
Global
Enterprises, insurers, reinsurers
Intermediary/advisor
67%
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
Aon plc strengths
ASML Holding N.V. strengths
Segment mix
Aon plc segments
Full profile >Risk Capital
Oligopoly
Human Capital
Oligopoly
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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View the moat stocks listCuration & 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 Pricing, features, and availability may be incomplete or out of date.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.