VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Sunday, January 11, 2026
Stock Comparison
CoStar Group, Inc. vs Rightmove plc
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 analysisRightmove plc
RMV · London 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 Rightmove plc's moat claims, evidence, and risks.
View RMV analysisComparison highlights
- Moat score gap: Rightmove plc leads (88 / 100 vs 75 / 100 for CoStar Group, Inc.).
- Segment focus: CoStar Group, Inc. has 6 segments (39% in Multifamily (Apartments.com Network)); Rightmove plc has 3 segments (71.8% in Agency).
- Primary market structure: Oligopoly vs Quasi-Monopoly. Pricing power: Strong vs Strong.
- Moat breadth: CoStar Group, Inc. has 9 moat types across 4 domains; Rightmove plc has 5 across 2.
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%
Rightmove plc
Agency
UK residential property portal advertising subscriptions and lead generation for estate and letting agents
United Kingdom
Property professionals (estate and letting agents)
Two-sided marketplace operator (consumers <-> agents)
71.8%
Side-by-side metrics
Moat coverage
Shared moat types
CoStar Group, Inc. strengths
Rightmove plc 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
Rightmove plc segments
Full profile >Agency
Quasi-Monopoly
New Homes
Oligopoly
Other
Competitive
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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.