VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Aon plc vs HEICO Corporation
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.
HEICO Corporation
HEI · NYSE
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into HEICO Corporation's moat claims, evidence, and risks.
View HEI analysisComparison highlights
- Moat score gap: HEICO Corporation leads (77 / 100 vs 70 / 100 for Aon plc).
- Segment focus: Aon plc has 2 segments (67% in Risk Capital); HEICO Corporation has 2 segments (69.5% in Flight Support Group (FSG)).
- Moat breadth: Aon plc has 6 moat types across 3 domains; HEICO Corporation has 6 across 3.
Primary market context
Aon plc
Risk Capital
Large-account commercial insurance & reinsurance brokerage and risk advisory
Global
Enterprises, insurers, reinsurers
Intermediary/advisor
67%
HEICO Corporation
Flight Support Group (FSG)
Aerospace aftermarket replacement parts and MRO services (jet engine and aircraft components), including FAA-approved PMA parts
Global
Commercial airlines, cargo carriers, MROs, OEMs, and government/military customers
Aftermarket parts manufacturer + MRO/repair provider + distributor
69.5%
Side-by-side metrics
Moat coverage
Shared moat types
Aon plc strengths
HEICO Corporation strengths
Segment mix
Aon plc segments
Full profile >Risk Capital
Oligopoly
Human Capital
Oligopoly
HEICO Corporation segments
Full profile >Flight Support Group (FSG)
Oligopoly
Electronic Technologies Group (ETG)
Oligopoly
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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 Pricing, features, and availability may be incomplete or out of date.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.