VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Saturday, January 10, 2026
Stock Comparison
Arthur J. Gallagher & Co. vs IDEX Corporation
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 analysisIDEX Corporation
IEX · 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 IDEX Corporation's moat claims, evidence, and risks.
View IEX analysisComparison highlights
- Moat score gap: Arthur J. Gallagher & Co. leads (69 / 100 vs 58 / 100 for IDEX Corporation).
- Segment focus: Arthur J. Gallagher & Co. has 2 segments (86% in Brokerage); IDEX Corporation has 3 segments (39.6% in Health & Science Technologies (HST)).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Moderate vs Moderate.
- Moat breadth: Arthur J. Gallagher & Co. has 4 moat types across 2 domains; IDEX Corporation has 7 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%
IDEX Corporation
Health & Science Technologies (HST)
Precision fluidics, optics/photonics, microfluidics, sealing solutions, pneumatic components, and process technologies for life science/diagnostics, semiconductor, aerospace/defense, and industrial markets
Global
Life science & diagnostic instrument OEMs, semiconductor/industrial OEMs, specialty industrial customers
Component/subsystem supplier and specialty equipment provider
39.6%
Side-by-side metrics
Moat coverage
Shared moat types
Arthur J. Gallagher & Co. strengths
IDEX Corporation strengths
Segment mix
Arthur J. Gallagher & Co. segments
Full profile >Brokerage
Oligopoly
Risk Management
Competitive
IDEX Corporation segments
Full profile >Fluid & Metering Technologies (FMT)
Competitive
Health & Science Technologies (HST)
Competitive
Fire & Safety/Diversified Products (FSDP)
Competitive
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.