VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Moody's Corporation vs Martin Marietta Materials, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Moody's Corporation
MCO · 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 Moody's Corporation's moat claims, evidence, and risks.
View MCO 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: Moody's Corporation leads (79 / 100 vs 78 / 100 for Martin Marietta Materials, Inc.).
- Segment focus: Moody's Corporation has 2 segments (53.5% in Moody's Investors Service (Credit Ratings)); Martin Marietta Materials, Inc. has 3 segments (52.4% in East Group).
- Moat breadth: Moody's Corporation has 5 moat types across 4 domains; Martin Marietta Materials, Inc. has 4 across 2.
Primary market context
Moody's Corporation
Moody's Investors Service (Credit Ratings)
Credit ratings and ratings-related research
Global
Issuers, investors, regulators
Credit rating agency / research provider
53.5%
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.
Moody's Corporation strengths
Martin Marietta Materials, Inc. strengths
Segment mix
Moody's Corporation segments
Full profile >Moody's Investors Service (Credit Ratings)
Oligopoly
Moody's Analytics (Risk & Data/Software)
Competitive
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.