VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Friday, January 2, 2026

Stock Comparison

Analog Devices, Inc. vs Marsh & McLennan Companies, Inc.

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

Analog Devices, Inc.

ADI · Nasdaq Global Select Market

Market cap (USD)$133B
Gross margin (TTM)
Operating margin (TTM)
Net margin (TTM)
SectorTechnology
Industry
CountryUS
Data as of2026-01-02
Moat score
59/ 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 Analog Devices, Inc.'s moat claims, evidence, and risks.

View ADI analysis

Marsh & McLennan Companies, Inc.

MMC · New York Stock Exchange

Market cap (USD)$90.4B
Gross margin (TTM)42.3%
Operating margin (TTM)23.2%
Net margin (TTM)15.6%
SectorFinancials
IndustryInsurance - Brokers
CountryUS
Data as of2025-12-31
Moat score
65/ 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 Marsh & McLennan Companies, Inc.'s moat claims, evidence, and risks.

View MMC analysis

Comparison highlights

  • Moat score gap: Marsh & McLennan Companies, Inc. leads (65 / 100 vs 59 / 100 for Analog Devices, Inc.).
  • Segment focus: Analog Devices, Inc. has 4 segments (44.7% in Industrial); Marsh & McLennan Companies, Inc. has 2 segments (62.8% in Risk and Insurance Services).
  • Primary market structure: Oligopoly vs Oligopoly. Pricing power: Strong vs Moderate.
  • Moat breadth: Analog Devices, Inc. has 5 moat types across 2 domains; Marsh & McLennan Companies, Inc. has 5 across 3.

Primary market context

Analog Devices, Inc.

Industrial

Market

Industrial analog, mixed-signal, RF and power management semiconductors

Geography

Global

Customer

B2B (OEMs/ODMs, industrial equipment, test & measurement, aerospace/defense)

Role

Semiconductor IC supplier

Revenue share

44.7%

Marsh & McLennan Companies, Inc.

Risk and Insurance Services

Market

Insurance brokerage, risk advisory, and reinsurance brokerage/services

Geography

Global

Customer

Enterprises, public entities, associations, and individuals (via broker/agent channels)

Role

Intermediary + advisor (insurance/reinsurance market intermediary)

Revenue share

62.8%

Side-by-side metrics

Analog Devices, Inc.
Marsh & McLennan Companies, Inc.
Ticker / Exchange
ADI - Nasdaq Global Select Market
MMC - New York Stock Exchange
Market cap (USD)
$133B
$90.4B
Gross margin (TTM)
n/a
42.3%
Operating margin (TTM)
n/a
23.2%
Net margin (TTM)
n/a
15.6%
Sector
Technology
Financials
Industry
n/a
Insurance - Brokers
HQ country
US
US
Primary segment
Industrial
Risk and Insurance Services
Market structure
Oligopoly
Oligopoly
Market share
n/a
n/a
HHI estimate
n/a
n/a
Pricing power
Strong
Moderate
Moat score
59 / 100
65 / 100
Moat domains
Demand, Supply
Supply, Demand, Legal
Last update
2026-01-02
2025-12-31

Moat coverage

Shared moat types

Data Workflow LockinBrand Trust

Analog Devices, Inc. strengths

Design In QualificationScope EconomiesCapex Knowhow Scale

Marsh & McLennan Companies, Inc. strengths

Service Field NetworkSwitching Costs GeneralCompliance Advantage

Segment mix

Analog Devices, Inc. segments

Full profile >

Industrial

Oligopoly

44.7%

Automotive

Oligopoly

29.8%

Communications

Oligopoly

12.5%

Consumer

Competitive

13%

Marsh & McLennan Companies, Inc. segments

Full profile >

Risk and Insurance Services

Oligopoly

62.8%

Consulting

Competitive

37.2%

Want the full wide moat stocks list?

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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.