VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Tuesday, December 30, 2025
Stock Comparison
CoStar Group, Inc. vs Thomson Reuters Corporation
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 analysisThomson Reuters Corporation
TRI · Toronto 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 Thomson Reuters Corporation's moat claims, evidence, and risks.
View TRI analysisComparison highlights
- Moat score gap: Thomson Reuters Corporation leads (84 / 100 vs 75 / 100 for CoStar Group, Inc.).
- Segment focus: CoStar Group, Inc. has 6 segments (39% in Multifamily (Apartments.com Network)); Thomson Reuters Corporation has 5 segments (40.1% in Legal Professionals).
- Primary market structure: Oligopoly vs Duopoly. Pricing power: Strong vs Strong.
- Moat breadth: CoStar Group, Inc. has 9 moat types across 4 domains; Thomson Reuters Corporation 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%
Thomson Reuters Corporation
Legal Professionals
Legal research and legal workflow software
Global
Law firms, corporate legal departments, and governments
Subscription software + proprietary legal content
40.1%
Side-by-side metrics
Moat coverage
Shared moat types
CoStar Group, Inc. strengths
Thomson Reuters Corporation 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
Thomson Reuters Corporation segments
Full profile >Legal Professionals
Duopoly
Corporates
Oligopoly
Tax & Accounting Professionals
Oligopoly
Reuters News
Oligopoly
Global Print
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.