VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

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Thursday, January 8, 2026

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Stock Comparison

VINCI SA vs Martin Marietta Materials, Inc.

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

VINCI SA

DG · Euronext Paris

Market cap (USD)$67.5B

Gross margin (TTM)16%

Operating margin (TTM)12.1%

Net margin (TTM)6.5%

SectorIndustrials

IndustryEngineering & Construction

CountryFR

Data as of2026-01-03

Moat score

57/ 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 VINCI SA's moat claims, evidence, and risks.

View DG analysis

Martin Marietta Materials, Inc.

MLM · NYSE

Market cap (USD)$38.7B

Gross margin (TTM)29.9%

Operating margin (TTM)23.4%

Net margin (TTM)17.4%

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 57 / 100 for VINCI SA).
Segment focus: VINCI SA has 7 segments (44.4% in VINCI Construction); 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: VINCI SA has 7 moat types across 2 domains; Martin Marietta Materials, Inc. has 4 across 2.

Primary market context

VINCI SA

VINCI Construction

Market

Construction and civil engineering contracting (buildings, infrastructure and specialty networks)

Geography

Global

Customer

Public-sector project owners and private developers/industrial clients

Role

General contractor / civil engineering contractor

Revenue share

44.4%

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

VINCI SA

Martin Marietta Materials, Inc.

Ticker / Exchange

DG - Euronext Paris

MLM - NYSE

Market cap (USD)

$67.5B

$38.7B

Gross margin (TTM)

16%

29.9%

Operating margin (TTM)

12.1%

23.4%

Net margin (TTM)

6.5%

17.4%

Sector

Industrials

Materials

Industry

Engineering & Construction

Construction Materials

HQ country

Primary segment

VINCI Construction

East Group

Market structure

Competitive

Oligopoly

Market share

n/a

HHI estimate

n/a

Pricing power

Weak

Strong

Moat score

57 / 100

78 / 100

Moat domains

Legal, Supply

Supply, Financial

Last update

2026-01-03

2026-01-01

Moat coverage

Shared moat types

Capex Knowhow Scale

VINCI SA strengths

Concession LicensePermits Rights Of WayOperational ExcellenceService Field NetworkCapacity MoatCompliance Advantage

Martin Marietta Materials, Inc. strengths

Physical Network DensityGeographic NaturalBenchmark Pricing Power

Segment mix

VINCI SA segments

Full profile >

VINCI Autoroutes

Monopoly

9.2%

VINCI Airports

Oligopoly

6.3%

Other concessions (incl. VINCI Highways and PPP assets)

Competitive

0.8%

VINCI Energies

Competitive

28.4%

Cobra IS

Competitive

9.9%

VINCI Construction

Competitive

44.4%

VINCI Immobilier

Competitive

1.6%

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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Looking for expansion-stage stocks?

Proven models entering the expansion stage with unit economics that work.

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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.