VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Monday, December 29, 2025
Stock Comparison
Amazon.com, Inc. vs Monolithic Power Systems, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Amazon.com, Inc.
AMZN · 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 Amazon.com, Inc.'s moat claims, evidence, and risks.
View AMZN 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: Amazon.com, Inc. leads (87 / 100 vs 67 / 100 for Monolithic Power Systems, Inc.).
- Segment focus: Amazon.com, Inc. has 4 segments (73.5% in Amazon Stores (Retail, Marketplace, Prime Subscriptions)); Monolithic Power Systems, Inc. has 6 segments (32.5% in Enterprise Data).
- Moat breadth: Amazon.com, Inc. has 10 moat types across 4 domains; Monolithic Power Systems, Inc. has 4 across 3.
Primary market context
Amazon.com, Inc.
Amazon Stores (Retail, Marketplace, Prime Subscriptions)
US retail ecommerce marketplace and online retail (integrated fulfillment + membership shipping)
United States
Consumers and third-party merchants
Marketplace operator, retailer, and fulfillment provider
73.5%
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
No overlap yet.
Amazon.com, Inc. strengths
Monolithic Power Systems, Inc. strengths
Segment mix
Amazon.com, Inc. segments
Full profile >Amazon Web Services (AWS)
Oligopoly
Amazon Stores (Retail, Marketplace, Prime Subscriptions)
Oligopoly
Advertising Services (Amazon Ads / Retail Media)
Oligopoly
Other (healthcare, content licensing/distribution, shipping services, co-branded credit card agreements, 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.