VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 8, 2026
Stock Comparison
Cochlear Limited vs Martin Marietta Materials, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Cochlear Limited
COH · ASX
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Cochlear Limited's moat claims, evidence, and risks.
View COH 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: Cochlear Limited leads (81 / 100 vs 78 / 100 for Martin Marietta Materials, Inc.).
- Segment focus: Cochlear Limited has 3 segments (62.4% in Cochlear Implants); 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: Cochlear Limited has 8 moat types across 3 domains; Martin Marietta Materials, Inc. has 4 across 2.
Primary market context
Cochlear Limited
Cochlear Implants
Cochlear implant systems (internal implant + external sound processors) for severe-to-profound hearing loss
Global
Hospitals/ENT clinics and audiology programs (providers) serving implant candidates/recipients; reimbursed by public/private payers
Medical device OEM / platform owner (implant + processor + fitting software + clinical support)
62.4%
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
Cochlear Limited strengths
Martin Marietta Materials, Inc. strengths
Segment mix
Cochlear Limited segments
Full profile >Cochlear Implants
Oligopoly
Services
Monopoly
Acoustics
Oligopoly
Martin Marietta Materials, Inc. segments
Full profile >East Group
Oligopoly
West Group
Oligopoly
Specialties (formerly Magnesia Specialties)
Oligopoly
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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.