VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Sunday, January 11, 2026
Stock Comparison
Arthur J. Gallagher & Co. vs Fiserv, 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 analysisFiserv, Inc.
FISV · 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 Fiserv, Inc.'s moat claims, evidence, and risks.
View FISV analysisComparison highlights
- Moat score gap: Arthur J. Gallagher & Co. leads (69 / 100 vs 67 / 100 for Fiserv, Inc.).
- Segment focus: Arthur J. Gallagher & Co. has 2 segments (86% in Brokerage); Fiserv, Inc. has 2 segments (50.4% in Merchant).
- Moat breadth: Arthur J. Gallagher & Co. has 4 moat types across 2 domains; Fiserv, 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%
Fiserv, Inc.
Merchant
Merchant acquiring and commerce enablement (SMB + enterprise omnichannel payments, POS, gateway/orchestration, and related software)
Global
Merchants (SMB and enterprise), plus channel partners (ISVs/ISOs/financial institutions) that serve or refer merchants
Merchant acquirer / payment processor / commerce and POS platform provider
50.4%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
Arthur J. Gallagher & Co. strengths
Fiserv, Inc. strengths
Segment mix
Arthur J. Gallagher & Co. segments
Full profile >Brokerage
Oligopoly
Risk Management
Competitive
Fiserv, Inc. segments
Full profile >Merchant
Oligopoly
Financial
Oligopoly
Want the full wide moat stocks list?
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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.