VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 14, 2026
Stock Comparison
Amphenol Corporation vs Monolithic Power Systems, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Amphenol Corporation
APH · 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 Amphenol Corporation's moat claims, evidence, and risks.
View APH 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: Monolithic Power Systems, Inc. leads (67 / 100 vs 65 / 100 for Amphenol Corporation).
- Segment focus: Amphenol Corporation has 3 segments (41.5% in Communications Solutions); Monolithic Power Systems, Inc. has 6 segments (32.5% in Enterprise Data).
- Primary market structure: Competitive vs Oligopoly. Pricing power: Weak vs Moderate.
- Moat breadth: Amphenol Corporation has 4 moat types across 2 domains; Monolithic Power Systems, Inc. has 4 across 3.
Primary market context
Amphenol Corporation
Communications Solutions
Interconnect, cable and antenna solutions for IT/datacom, mobile devices and communications infrastructure
Global
OEMs, ODM/EMS partners and network equipment/service providers
Component manufacturer / interconnect and antenna solutions provider
41.5%
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
Amphenol Corporation strengths
Monolithic Power Systems, Inc. strengths
Segment mix
Amphenol Corporation segments
Full profile >Harsh Environment Solutions
Oligopoly
Communications Solutions
Competitive
Interconnect and Sensor Systems
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 listLooking for expansion-stage stocks?
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.