VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Saturday, January 10, 2026
Stock Comparison
Brown & Brown, Inc. vs CoStar Group, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Brown & Brown, Inc.
BRO · 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 Brown & Brown, Inc.'s moat claims, evidence, and risks.
View BRO analysisCoStar 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 analysisComparison highlights
- Moat score gap: CoStar Group, Inc. leads (75 / 100 vs 61 / 100 for Brown & Brown, Inc.).
- Segment focus: Brown & Brown, Inc. has 2 segments (59% in Retail); CoStar Group, Inc. has 6 segments (39% in Multifamily (Apartments.com Network)).
- Primary market structure: Competitive vs Oligopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Brown & Brown, Inc. has 5 moat types across 3 domains; CoStar Group, Inc. has 9 across 4.
Primary market context
Brown & Brown, Inc.
Retail
Retail insurance brokerage and agency services (commercial P&C, employee benefits, personal lines) plus dealer F&I risk-mitigating products
Primarily United States; also selected international operations
Commercial (SMB to mid-market), public/quasi-public entities, professional and individual insured customers; auto/RV dealers for F&I
Insurance intermediary (agent/broker) and risk solutions advisor
59%
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%
Side-by-side metrics
Moat coverage
Shared moat types
Brown & Brown, Inc. strengths
CoStar Group, Inc. strengths
Segment mix
Brown & Brown, Inc. segments
Full profile >Retail
Competitive
Specialty Distribution
Oligopoly
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
Want the full wide moat stocks list?
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Proven models entering the expansion stage with unit economics that work.
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.