VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Friday, January 2, 2026

Stock Comparison

The Home Depot, Inc. vs Martin Marietta Materials, Inc.

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

The Home Depot, Inc.

HD · New York Stock Exchange

Market cap (USD)$345.9B
Gross margin (TTM)33.4%
Operating margin (TTM)13%
Net margin (TTM)8.8%
SectorConsumer
IndustryHome Improvement
CountryUS
Data as of2025-12-30
Moat score
69/ 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 The Home Depot, Inc.'s moat claims, evidence, and risks.

View HD analysis

Martin Marietta Materials, Inc.

MLM · NYSE

Market cap (USD)$37.9B
Gross margin (TTM)
Operating margin (TTM)
Net margin (TTM)
SectorMaterials
IndustryConstruction Materials
CountryUS
Data as of2026-01-01
Moat score
78/ 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 Martin Marietta Materials, Inc.'s moat claims, evidence, and risks.

View MLM analysis

Comparison highlights

  • Moat score gap: Martin Marietta Materials, Inc. leads (78 / 100 vs 69 / 100 for The Home Depot, Inc.).
  • Segment focus: The Home Depot, Inc. has 2 segments (96% in Primary segment - North American home improvement retail (stores + online)); Martin Marietta Materials, Inc. has 3 segments (52.4% in East Group).
  • Primary market structure: Competitive vs Oligopoly. Pricing power: Weak vs Strong.
  • Moat breadth: The Home Depot, Inc. has 4 moat types across 2 domains; Martin Marietta Materials, Inc. has 4 across 2.

Primary market context

The Home Depot, Inc.

Primary segment - North American home improvement retail (stores + online)

Market

Home improvement retail (omnichannel)

Geography

North America (US, Canada, Mexico)

Customer

DIY homeowners and professional contractors

Role

Retailer

Revenue share

96%

Martin Marietta Materials, Inc.

East Group

Market

Construction aggregates and asphalt products (crushed stone, sand & gravel; asphalt) in local/regional markets

Geography

United States (East/Southeast and adjacent regions)

Customer

Infrastructure agencies, construction contractors, and downstream materials producers (asphalt/ready-mix)

Role

Quarry/mining operator and building materials producer/distributor

Revenue share

52.4%

Side-by-side metrics

The Home Depot, Inc.
Martin Marietta Materials, Inc.
Ticker / Exchange
HD - New York Stock Exchange
MLM - NYSE
Market cap (USD)
$345.9B
$37.9B
Gross margin (TTM)
33.4%
n/a
Operating margin (TTM)
13%
n/a
Net margin (TTM)
8.8%
n/a
Sector
Consumer
Materials
Industry
Home Improvement
Construction Materials
HQ country
US
US
Primary segment
Primary segment - North American home improvement retail (stores + online)
East Group
Market structure
Competitive
Oligopoly
Market share
n/a
n/a
HHI estimate
n/a
n/a
Pricing power
Weak
Strong
Moat score
69 / 100
78 / 100
Moat domains
Supply, Demand
Supply, Financial
Last update
2025-12-30
2026-01-01

Moat coverage

Shared moat types

Physical Network Density

The Home Depot, Inc. strengths

Distribution ControlProcurement InertiaScale Economies Unit Cost

Martin Marietta Materials, Inc. strengths

Geographic NaturalBenchmark Pricing PowerCapex Knowhow Scale

Segment mix

The Home Depot, Inc. segments

Full profile >

Primary segment - North American home improvement retail (stores + online)

Competitive

96%

Other - Specialty trade distribution (SRS: roofing, landscape, pool)

Competitive

4%

Martin Marietta Materials, Inc. segments

Full profile >

East Group

Oligopoly

52.4%

West Group

Oligopoly

40.9%

Specialties (formerly Magnesia Specialties)

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.