VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Aon plc vs Bio-Rad Laboratories, Inc.
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.
Bio-Rad Laboratories, Inc.
BIO · 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 Bio-Rad Laboratories, Inc.'s moat claims, evidence, and risks.
View BIO analysisComparison highlights
- Moat score gap: Aon plc leads (70 / 100 vs 61 / 100 for Bio-Rad Laboratories, Inc.).
- Segment focus: Aon plc has 2 segments (67% in Risk Capital); Bio-Rad Laboratories, Inc. has 2 segments (59.9% in Clinical Diagnostics).
- Moat breadth: Aon plc has 6 moat types across 3 domains; Bio-Rad Laboratories, Inc. 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%
Bio-Rad Laboratories, Inc.
Clinical Diagnostics
In vitro diagnostics test systems, reagents/test kits, informatics, and clinical laboratory quality controls
Global
Hospital laboratories; diagnostic reference laboratories; transfusion laboratories; physician office laboratories
IVD OEM / installed-base consumables supplier (systems + kits + controls)
59.9%
Side-by-side metrics
Moat coverage
Shared moat types
Aon plc strengths
Bio-Rad Laboratories, Inc. strengths
Segment mix
Aon plc segments
Full profile >Risk Capital
Oligopoly
Human Capital
Oligopoly
Bio-Rad Laboratories, Inc. segments
Full profile >Life Science
Competitive
Clinical Diagnostics
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 Pricing, features, and availability may be incomplete or out of date.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.