VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 7, 2026
Stock Comparison
Boston Scientific Corporation vs Martin Marietta Materials, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Boston Scientific Corporation
BSX · New York 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 Boston Scientific Corporation's moat claims, evidence, and risks.
View BSX 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: Martin Marietta Materials, Inc. leads (78 / 100 vs 65 / 100 for Boston Scientific Corporation).
- Segment focus: Boston Scientific Corporation has 5 segments (49.8% in Cardiology); Martin Marietta Materials, Inc. has 3 segments (52.4% in East Group).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Boston Scientific Corporation has 6 moat types across 3 domains; Martin Marietta Materials, Inc. has 4 across 2.
Primary market context
Boston Scientific Corporation
Cardiology
Cardiology devices (interventional cardiology, structural heart, electrophysiology, cardiac rhythm management and remote monitoring)
Global
Hospitals/cath labs/EP labs and specialty clinics (cardiologists, electrophysiologists)
Medical device OEM / implantables + procedure devices + service-enabled monitoring
49.8%
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.
Boston Scientific Corporation strengths
Martin Marietta Materials, Inc. strengths
Segment mix
Boston Scientific Corporation segments
Full profile >Endoscopy
Oligopoly
Urology
Competitive
Neuromodulation
Oligopoly
Cardiology
Oligopoly
Peripheral Interventions
Competitive
Martin Marietta Materials, Inc. segments
Full profile >East Group
Oligopoly
West Group
Oligopoly
Specialties (formerly Magnesia Specialties)
Oligopoly
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Proven models entering the expansion stage with unit economics that work.
View expansion-stage stocksCuration & 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.