VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
CoStar Group, Inc. vs Fastenal Company
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 analysisFastenal Company
FAST · Nasdaq Stock 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 Fastenal Company's moat claims, evidence, and risks.
View FAST analysisComparison highlights
- Moat score gap: CoStar Group, Inc. leads (75 / 100 vs 60 / 100 for Fastenal Company).
- Segment focus: CoStar Group, Inc. has 6 segments (39% in Multifamily (Apartments.com Network)); Fastenal Company has 3 segments (54.5% in Branch-based distribution (in-market branches)).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Strong vs Weak.
- Moat breadth: CoStar Group, Inc. has 9 moat types across 4 domains; Fastenal Company 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%
Fastenal Company
Branch-based distribution (in-market branches)
Industrial & construction supplies distribution (MRO/OEM consumables) via local branches
North America (primary) + select international
B2B
Distributor / MRO supplier
54.5%
Side-by-side metrics
Moat coverage
Shared moat types
CoStar Group, Inc. strengths
Fastenal Company 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
Fastenal Company segments
Full profile >Branch-based distribution (in-market branches)
Competitive
Onsite solutions (embedded customer locations)
Competitive
Other / non-traditional sales (services & custom manufacturing)
Competitive
Want the full wide moat stocks list?
Browse the full ranking of wide moat stocks, updated with moat scores and segment context.
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.