VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Saturday, January 10, 2026
Stock Comparison
Arthur J. Gallagher & Co. vs Northrop Grumman 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 analysisNorthrop Grumman Corporation
NOC · 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 Northrop Grumman Corporation's moat claims, evidence, and risks.
View NOC analysisComparison highlights
- Moat score gap: Northrop Grumman Corporation leads (72 / 100 vs 69 / 100 for Arthur J. Gallagher & Co.).
- Segment focus: Arthur J. Gallagher & Co. has 2 segments (86% in Brokerage); Northrop Grumman Corporation has 4 segments (28.7% in Aeronautics Systems).
- Moat breadth: Arthur J. Gallagher & Co. has 4 moat types across 2 domains; Northrop Grumman Corporation 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%
Northrop Grumman Corporation
Aeronautics Systems
Military aircraft systems (manned & unmanned) plus sustainment/modernization
Global (primarily United States and allies)
U.S. government and allied governments
Prime contractor and major subsystem supplier
28.7%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
Arthur J. Gallagher & Co. strengths
Northrop Grumman Corporation strengths
Segment mix
Arthur J. Gallagher & Co. segments
Full profile >Brokerage
Oligopoly
Risk Management
Competitive
Northrop Grumman Corporation segments
Full profile >Aeronautics Systems
Oligopoly
Defense Systems
Oligopoly
Mission Systems
Oligopoly
Space Systems
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.