VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Tuesday, December 30, 2025
Stock Comparison
CoStar Group, Inc. vs Microsoft 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 analysisMicrosoft Corporation
MSFT · Nasdaq Global Select Market
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Microsoft Corporation's moat claims, evidence, and risks.
View MSFT analysisComparison highlights
- Moat score gap: Microsoft 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)); Microsoft Corporation has 3 segments (42.9% in Productivity and Business Processes).
- Moat breadth: CoStar Group, Inc. has 9 moat types across 4 domains; Microsoft Corporation has 9 across 4.
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%
Microsoft Corporation
Productivity and Business Processes
Enterprise productivity & collaboration suites, business applications, and professional network platforms
Global
Enterprises, SMBs, consumers, recruiters/advertisers
SaaS platform + professional network
42.9%
Side-by-side metrics
Moat coverage
Shared moat types
CoStar Group, Inc. strengths
Microsoft 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
Microsoft Corporation segments
Full profile >Productivity and Business Processes
Oligopoly
Intelligent Cloud
Oligopoly
More Personal Computing
Quasi-Monopoly
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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.