VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Tuesday, December 30, 2025
Stock Comparison
CoStar Group, Inc. vs Monolithic Power Systems, Inc.
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 analysisMonolithic Power Systems, Inc.
MPWR · 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 Monolithic Power Systems, Inc.'s moat claims, evidence, and risks.
View MPWR analysisComparison highlights
- Moat score gap: CoStar Group, Inc. leads (75 / 100 vs 67 / 100 for Monolithic Power Systems, Inc.).
- Segment focus: CoStar Group, Inc. has 6 segments (39% in Multifamily (Apartments.com Network)); Monolithic Power Systems, Inc. has 6 segments (32.5% in Enterprise Data).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Strong vs Moderate.
- Moat breadth: CoStar Group, Inc. has 9 moat types across 4 domains; Monolithic Power Systems, Inc. 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%
Monolithic Power Systems, Inc.
Enterprise Data
Power management ICs and power modules for enterprise/data center servers (CPU/GPU/AI accelerators) and cloud/on-prem compute platforms
Global
OEMs/ODMs and cloud platform designers
Fabless component supplier (power semiconductors)
32.5%
Side-by-side metrics
Moat coverage
Shared moat types
CoStar Group, Inc. strengths
Monolithic Power Systems, Inc. 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
Monolithic Power Systems, Inc. segments
Full profile >Enterprise Data
Oligopoly
Storage and Computing
Competitive
Automotive
Oligopoly
Communications
Oligopoly
Consumer
Competitive
Industrial
Oligopoly
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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.