VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Saturday, January 3, 2026

Stock Comparison

Keyence Corporation vs Monolithic Power Systems, Inc.

Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.

Keyence Corporation

6861.T · Tokyo Stock Exchange

Market cap (USD)$87.6B
Gross margin (TTM)
Operating margin (TTM)
Net margin (TTM)
SectorTechnology
Industry
CountryJP
Data as of2026-01-02
Moat score
73/ 100

Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.

Full stock profile

Dive deeper into Keyence Corporation's moat claims, evidence, and risks.

View 6861.T analysis

Monolithic Power Systems, Inc.

MPWR · NASDAQ Global Select Market

Market cap (USD)$44.9B
Gross margin (TTM)55.2%
Operating margin (TTM)26%
Net margin (TTM)71.2%
SectorTechnology
IndustrySemiconductors
CountryUS
Data as of2025-12-25
Moat score
67/ 100

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 analysis

Comparison highlights

  • Moat score gap: Keyence Corporation leads (73 / 100 vs 67 / 100 for Monolithic Power Systems, Inc.).
  • Segment focus: Keyence Corporation has 3 segments; 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: Keyence Corporation has 7 moat types across 2 domains; Monolithic Power Systems, Inc. has 4 across 3.

Primary market context

Keyence Corporation

Sensors & Safety/Static Control

Market

Industrial sensors and safety/static control for factory automation

Geography

Global

Customer

Manufacturers (production/automation teams) and machine builders

Role

Component OEM and application-solution provider

Monolithic Power Systems, Inc.

Enterprise Data

Market

Power management ICs and power modules for enterprise/data center servers (CPU/GPU/AI accelerators) and cloud/on-prem compute platforms

Geography

Global

Customer

OEMs/ODMs and cloud platform designers

Role

Fabless component supplier (power semiconductors)

Revenue share

32.5%

Side-by-side metrics

Keyence Corporation
Monolithic Power Systems, Inc.
Ticker / Exchange
6861.T - Tokyo Stock Exchange
MPWR - NASDAQ Global Select Market
Market cap (USD)
$87.6B
$44.9B
Gross margin (TTM)
n/a
55.2%
Operating margin (TTM)
n/a
26%
Net margin (TTM)
n/a
71.2%
Sector
Technology
Technology
Industry
n/a
Semiconductors
HQ country
JP
US
Primary segment
Sensors & Safety/Static Control
Enterprise Data
Market structure
Oligopoly
Oligopoly
Market share
n/a
n/a
HHI estimate
n/a
n/a
Pricing power
Strong
Moderate
Moat score
73 / 100
67 / 100
Moat domains
Supply, Demand
Demand, Supply, Legal
Last update
2026-01-02
2025-12-25

Moat coverage

Shared moat types

Design In QualificationOperational ExcellenceBrand Trust

Keyence Corporation strengths

Service Field NetworkLearning Curve YieldDistribution ControlScope Economies

Monolithic Power Systems, Inc. strengths

IP Choke Point

Segment mix

Keyence Corporation segments

Full profile >

Sensors & Safety/Static Control

Oligopoly

n/a

Machine Vision, Code Reading & Laser Marking

Oligopoly

n/a

Metrology & Microscopes

Oligopoly

n/a

Monolithic Power Systems, Inc. segments

Full profile >

Enterprise Data

Oligopoly

32.5%

Storage and Computing

Competitive

22.7%

Automotive

Oligopoly

18.8%

Communications

Oligopoly

10.2%

Consumer

Competitive

9.1%

Industrial

Oligopoly

6.7%

Want the full wide moat stocks list?

Browse the full ranking of wide moat stocks, updated with moat scores and segment context.

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Curation & 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.