VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Saturday, January 10, 2026
Stock Comparison
Arthur J. Gallagher & Co. vs Bio-Rad Laboratories, Inc.
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 analysisBio-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: Arthur J. Gallagher & Co. leads (69 / 100 vs 61 / 100 for Bio-Rad Laboratories, Inc.).
- Segment focus: Arthur J. Gallagher & Co. has 2 segments (86% in Brokerage); Bio-Rad Laboratories, Inc. has 2 segments (59.9% in Clinical Diagnostics).
- Moat breadth: Arthur J. Gallagher & Co. has 4 moat types across 2 domains; Bio-Rad Laboratories, Inc. has 6 across 3.
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%
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
No overlap yet.
Arthur J. Gallagher & Co. strengths
Bio-Rad Laboratories, Inc. strengths
Segment mix
Arthur J. Gallagher & Co. segments
Full profile >Brokerage
Oligopoly
Risk Management
Competitive
Bio-Rad Laboratories, Inc. segments
Full profile >Life Science
Competitive
Clinical Diagnostics
Oligopoly
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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.