VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Saturday, January 10, 2026
Stock Comparison
CoStar Group, Inc. vs The Italian Sea Group S.p.A.
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 analysisThe Italian Sea Group S.p.A.
TISG · Euronext Milan (Borsa Italiana)
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into The Italian Sea Group S.p.A.'s moat claims, evidence, and risks.
View TISG analysisComparison highlights
- Moat score gap: CoStar Group, Inc. leads (75 / 100 vs 61 / 100 for The Italian Sea Group S.p.A.).
- Segment focus: CoStar Group, Inc. has 6 segments (39% in Multifamily (Apartments.com Network)); The Italian Sea Group S.p.A. has 2 segments (89.7% in Shipbuilding).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Strong vs Moderate.
- Moat breadth: CoStar Group, Inc. has 9 moat types across 4 domains; The Italian Sea Group S.p.A. has 5 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%
The Italian Sea Group S.p.A.
Shipbuilding
Luxury yacht and superyacht shipbuilding (motor and sailing, 24m+ projects under construction/contract)
Global
Ultra-high-net-worth individuals (owners) and yacht brokers; occasional fleet/charter buyers
Designer/shipyard (OEM) and brand owner
89.7%
Side-by-side metrics
Moat coverage
Shared moat types
CoStar Group, Inc. strengths
The Italian Sea Group S.p.A. 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
The Italian Sea Group S.p.A. segments
Full profile >Shipbuilding
Oligopoly
Refit
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.