VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
L3Harris Technologies, Inc. vs Marsh & McLennan Companies, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
L3Harris Technologies, Inc.
LHX · NYSE
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into L3Harris Technologies, Inc.'s moat claims, evidence, and risks.
View LHX analysisMarsh & McLennan Companies, Inc.
MMC · 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 Marsh & McLennan Companies, Inc.'s moat claims, evidence, and risks.
View MMC analysisComparison highlights
- Moat score gap: L3Harris Technologies, Inc. leads (72 / 100 vs 65 / 100 for Marsh & McLennan Companies, Inc.).
- Segment focus: L3Harris Technologies, Inc. has 4 segments (31.9% in Space & Airborne Systems); Marsh & McLennan Companies, Inc. has 2 segments (62.8% in Risk and Insurance Services).
- Moat breadth: L3Harris Technologies, Inc. has 8 moat types across 3 domains; Marsh & McLennan Companies, Inc. has 5 across 3.
Primary market context
L3Harris Technologies, Inc.
Space & Airborne Systems
Defense & intelligence space and airborne mission systems (payloads, sensors, avionics, mission networks)
Global (U.S.-centric demand)
Government defense/intelligence agencies, prime contractors, and allied governments
Prime contractor / subsystem integrator
31.9%
Marsh & McLennan Companies, Inc.
Risk and Insurance Services
Insurance brokerage, risk advisory, and reinsurance brokerage/services
Global
Enterprises, public entities, associations, and individuals (via broker/agent channels)
Intermediary + advisor (insurance/reinsurance market intermediary)
62.8%
Side-by-side metrics
Moat coverage
Shared moat types
L3Harris Technologies, Inc. strengths
Marsh & McLennan Companies, Inc. strengths
Segment mix
L3Harris Technologies, Inc. segments
Full profile >Space & Airborne Systems
Oligopoly
Integrated Mission Systems
Oligopoly
Communication Systems
Oligopoly
Aerojet Rocketdyne
Duopoly
Marsh & McLennan Companies, Inc. segments
Full profile >Risk and Insurance Services
Oligopoly
Consulting
Competitive
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View the moat stocks listCuration & 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.