VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 1, 2026
Stock Comparison
American Tower Corporation vs W.W. Grainger, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
American Tower Corporation
AMT · 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 American Tower Corporation's moat claims, evidence, and risks.
View AMT analysisW.W. Grainger, Inc.
GWW · 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 W.W. Grainger, Inc.'s moat claims, evidence, and risks.
View GWW analysisComparison highlights
- Moat score gap: American Tower Corporation leads (76 / 100 vs 65 / 100 for W.W. Grainger, Inc.).
- Segment focus: American Tower Corporation has 3 segments; W.W. Grainger, Inc. has 3 segments (79.9% in High-Touch Solutions N.A.).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Moderate vs Moderate.
- Moat breadth: American Tower Corporation has 6 moat types across 4 domains; W.W. Grainger, Inc. has 5 across 2.
Primary market context
American Tower Corporation
U.S. & Canada Communications Sites
Wireless communications site leasing (macro towers, rooftops and DAS)
United States and Canada
Wireless carriers and other tenants (broadcast, data, government/municipal)
Independent owner/operator of communications real estate (towerco)
W.W. Grainger, Inc.
High-Touch Solutions N.A.
MRO (maintenance, repair and operations) products distribution and value-added inventory/procurement solutions
North America (U.S., Canada, Mexico, Puerto Rico)
Mid-size and large businesses with complex purchasing operations; also government and institutions
Distributor / wholesaler + onsite inventory services
79.9%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
American Tower Corporation strengths
W.W. Grainger, Inc. strengths
Segment mix
American Tower Corporation segments
Full profile >U.S. & Canada Communications Sites
Oligopoly
International Communications Sites
Oligopoly
Data Centers
Competitive
W.W. Grainger, Inc. segments
Full profile >High-Touch Solutions N.A.
Competitive
Endless Assortment
Competitive
Other (Cromwell U.K. + captive insurance)
Competitive
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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.