VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Sunday, January 11, 2026
Stock Comparison
Martin Marietta Materials, Inc. vs Rightmove plc
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Martin 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 analysisRightmove plc
RMV · London 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 Rightmove plc's moat claims, evidence, and risks.
View RMV analysisComparison highlights
- Moat score gap: Rightmove plc leads (88 / 100 vs 78 / 100 for Martin Marietta Materials, Inc.).
- Segment focus: Martin Marietta Materials, Inc. has 3 segments (52.4% in East Group); Rightmove plc has 3 segments (71.8% in Agency).
- Primary market structure: Oligopoly vs Quasi-Monopoly. Pricing power: Strong vs Strong.
- Moat breadth: Martin Marietta Materials, Inc. has 4 moat types across 2 domains; Rightmove plc has 5 across 2.
Primary market context
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%
Rightmove plc
Agency
UK residential property portal advertising subscriptions and lead generation for estate and letting agents
United Kingdom
Property professionals (estate and letting agents)
Two-sided marketplace operator (consumers <-> agents)
71.8%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
Martin Marietta Materials, Inc. strengths
Rightmove plc strengths
Segment mix
Martin Marietta Materials, Inc. segments
Full profile >East Group
Oligopoly
West Group
Oligopoly
Specialties (formerly Magnesia Specialties)
Oligopoly
Rightmove plc segments
Full profile >Agency
Quasi-Monopoly
New Homes
Oligopoly
Other
Competitive
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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.