VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Edwards Lifesciences Corporation vs Martin Marietta Materials, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Edwards Lifesciences Corporation
EW · 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 Edwards Lifesciences Corporation's moat claims, evidence, and risks.
View EW 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: Edwards Lifesciences Corporation leads (82 / 100 vs 78 / 100 for Martin Marietta Materials, Inc.).
- Segment focus: Edwards Lifesciences Corporation has 3 segments (75.5% in Transcatheter Aortic Valve Replacement (TAVR)); 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: Edwards Lifesciences Corporation has 6 moat types across 3 domains; Martin Marietta Materials, Inc. has 4 across 2.
Primary market context
Edwards Lifesciences Corporation
Transcatheter Aortic Valve Replacement (TAVR)
Transcatheter aortic valve replacement (TAVR) devices
Global
Hospitals and structural heart centers
Medical device manufacturer
75.5%
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.
Edwards Lifesciences Corporation strengths
Martin Marietta Materials, Inc. strengths
Segment mix
Edwards Lifesciences Corporation segments
Full profile >Transcatheter Aortic Valve Replacement (TAVR)
Oligopoly
Transcatheter Mitral and Tricuspid Therapies (TMTT)
Competitive
Surgical Structural Heart
Oligopoly
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.