VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Saturday, January 10, 2026
Stock Comparison
Arthur J. Gallagher & Co. vs MarketAxess Holdings 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 analysisMarketAxess Holdings Inc.
MKTX · NASDAQ Global Select Market
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into MarketAxess Holdings Inc.'s moat claims, evidence, and risks.
View MKTX analysisComparison highlights
- Moat score gap: MarketAxess Holdings Inc. leads (74 / 100 vs 69 / 100 for Arthur J. Gallagher & Co.).
- Segment focus: Arthur J. Gallagher & Co. has 2 segments (86% in Brokerage); MarketAxess Holdings Inc. has 2 segments (87.1% in Trade Execution Solutions).
- Moat breadth: Arthur J. Gallagher & Co. has 4 moat types across 2 domains; MarketAxess Holdings 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%
MarketAxess Holdings Inc.
Trade Execution Solutions
Electronic fixed-income trade execution platforms (credit and rates)
Global
Institutional investors, broker-dealers, and alternative liquidity providers
Electronic trading venue / marketplace operator
87.1%
Side-by-side metrics
Moat coverage
Shared moat types
Arthur J. Gallagher & Co. strengths
MarketAxess Holdings Inc. strengths
Segment mix
Arthur J. Gallagher & Co. segments
Full profile >Brokerage
Oligopoly
Risk Management
Competitive
MarketAxess Holdings Inc. segments
Full profile >Trade Execution Solutions
Oligopoly
Services (Data, Post-Trade and Technology)
Competitive
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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.