VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Nabtesco Corporation vs Martin Marietta Materials, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Nabtesco Corporation
6268 · Tokyo 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 Nabtesco Corporation's moat claims, evidence, and risks.
View 6268 analysisMartin Marietta Materials, Inc.
MLM · NYSE
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 analysisComparison highlights
- Moat score gap: Nabtesco Corporation leads (91 / 100 vs 78 / 100 for Martin Marietta Materials, Inc.).
- Segment focus: Nabtesco Corporation has 4 segments (34.2% in Component Solutions Business); Martin Marietta Materials, Inc. has 3 segments (52.4% in East Group).
- Primary market structure: Quasi-Monopoly vs Oligopoly. Pricing power: Strong vs Strong.
- Moat breadth: Nabtesco Corporation has 5 moat types across 3 domains; Martin Marietta Materials, Inc. has 4 across 2.
Primary market context
Nabtesco Corporation
Component Solutions Business
Precision reduction gears (RV reducers) for industrial robot joints
Global
Industrial robot manufacturers (OEMs)
Precision motion-control component supplier
34.2%
Martin Marietta Materials, Inc.
East Group
Construction aggregates and asphalt products (crushed stone, sand & gravel; asphalt) in local/regional markets
United States (East/Southeast and adjacent regions)
Infrastructure agencies, construction contractors, and downstream materials producers (asphalt/ready-mix)
Quarry/mining operator and building materials producer/distributor
52.4%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
Nabtesco Corporation strengths
Martin Marietta Materials, Inc. strengths
Segment mix
Nabtesco Corporation segments
Full profile >Component Solutions Business
Quasi-Monopoly
Transport Solutions Business
Oligopoly
Accessibility Solutions Business
Quasi-Monopoly
Other Businesses
Quasi-Monopoly
Martin Marietta Materials, Inc. segments
Full profile >East Group
Oligopoly
West Group
Oligopoly
Specialties (formerly Magnesia Specialties)
Oligopoly
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View the moat stocks listCuration & 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.