VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Sunday, January 11, 2026
Stock Comparison
Arthur J. Gallagher & Co. vs Nasdaq, 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 analysisNasdaq, Inc.
NDAQ · NASDAQ
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Nasdaq, Inc.'s moat claims, evidence, and risks.
View NDAQ analysisComparison highlights
- Moat score gap: Nasdaq, Inc. leads (76 / 100 vs 69 / 100 for Arthur J. Gallagher & Co.).
- Segment focus: Arthur J. Gallagher & Co. has 2 segments (86% in Brokerage); Nasdaq, Inc. has 3 segments (42.4% in Capital Access Platforms).
- Moat breadth: Arthur J. Gallagher & Co. has 4 moat types across 2 domains; Nasdaq, Inc. has 9 across 5.
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%
Nasdaq, Inc.
Capital Access Platforms
Issuer and investor solutions: listings, index licensing, market data, and investment analytics/workflow platforms
Global (with major exposure to U.S. and Nordic/Baltic markets)
Public/private companies (issuers), asset managers, institutional investors, data subscribers
Listing venue + index administrator/licensor + data/analytics provider
42.4%
Side-by-side metrics
Moat coverage
Shared moat types
Arthur J. Gallagher & Co. strengths
Nasdaq, Inc. strengths
Segment mix
Arthur J. Gallagher & Co. segments
Full profile >Brokerage
Oligopoly
Risk Management
Competitive
Nasdaq, Inc. segments
Full profile >Market Services
Competitive
Capital Access Platforms
Oligopoly
Financial Technology
Competitive
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Proven models entering the expansion stage with unit economics that work.
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.