VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 14, 2026
Stock Comparison
Amcor plc vs Martin Marietta Materials, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Amcor plc
AMCR · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
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 analysisComparison highlights
- Moat score gap: Martin Marietta Materials, Inc. leads (78 / 100 vs 47 / 100 for Amcor plc).
- Segment focus: Amcor plc has 2 segments (72.4% in Global Flexible Packaging Solutions); Martin Marietta Materials, Inc. has 3 segments (52.4% in East Group).
- Primary market structure: Competitive vs Oligopoly. Pricing power: Weak vs Strong.
- Moat breadth: Amcor plc has 5 moat types across 2 domains; Martin Marietta Materials, Inc. has 4 across 2.
Primary market context
Amcor plc
Global Flexible Packaging Solutions
Flexible packaging (polymer resin, aluminum, and fiber-based) for food & beverage, healthcare, and consumer packaged goods
Global
Brand owners and converters serving nutrition, health, beauty and wellness end markets
Packaging manufacturer / converter
72.4%
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
Amcor plc strengths
Martin Marietta Materials, Inc. strengths
Segment mix
Amcor plc segments
Full profile >Global Flexible Packaging Solutions
Competitive
Global Rigid Packaging Solutions
Competitive
Martin Marietta Materials, Inc. segments
Full profile >East Group
Oligopoly
West Group
Oligopoly
Specialties (formerly Magnesia Specialties)
Oligopoly
Want the full wide moat stocks list?
Browse the full ranking of wide moat stocks, updated with moat scores and segment context.
View the moat stocks listLooking for expansion-stage stocks?
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.