VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Monday, January 5, 2026
Stock Comparison
CoStar Group, Inc. vs Legrand S.A.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
CoStar Group, Inc.
CSGP · 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 CoStar Group, Inc.'s moat claims, evidence, and risks.
View CSGP analysisLegrand S.A.
LR · Euronext Paris
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: CoStar Group, Inc. leads (75 / 100 vs 68 / 100 for Legrand S.A.).
- Segment focus: CoStar Group, Inc. has 6 segments (39% in Multifamily (Apartments.com Network)); Legrand S.A. has 2 segments (80% in Building electrical & digital infrastructure (non-datacenter)).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Strong vs Moderate.
- Moat breadth: CoStar Group, Inc. has 9 moat types across 4 domains; Legrand S.A. has 4 across 3.
Primary market context
CoStar Group, Inc.
Multifamily (Apartments.com Network)
Online multifamily rental marketplaces and advertising
United States
Two-sided (renters + property managers/owners)
Marketplace (subscription advertising + workflow tools)
39%
Legrand S.A.
Building electrical & digital infrastructure (non-datacenter)
Low-voltage electrical and digital building infrastructure (wiring devices, energy distribution, cable management, building controls)
Global (strong Europe & North America footprint)
Professional installers/electricians, electrical wholesalers, OEM/contractors; end-users in residential & commercial buildings
Manufacturer + brand owner; channel-driven distribution
80%
Side-by-side metrics
Moat coverage
Shared moat types
CoStar Group, Inc. strengths
Legrand S.A. strengths
Segment mix
CoStar Group, Inc. segments
Full profile >CoStar (commercial real estate info & analytics)
Oligopoly
Information Services (lease management software + international info)
Competitive
Multifamily (Apartments.com Network)
Oligopoly
LoopNet (commercial property marketing marketplace)
Oligopoly
Residential (Homes.com + OnTheMarket)
Oligopoly
Other Marketplaces (Ten-X, Land.com, BizBuySell, etc.)
Competitive
Legrand S.A. segments
Full profile >Building electrical & digital infrastructure (non-datacenter)
Oligopoly
Datacenter infrastructure
Oligopoly
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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.