VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
American Tower Corporation vs Monolithic Power Systems, 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 analysisMonolithic Power Systems, Inc.
MPWR · NASDAQ Global Select Market
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Monolithic Power Systems, Inc.'s moat claims, evidence, and risks.
View MPWR analysisComparison highlights
- Moat score gap: American Tower Corporation leads (76 / 100 vs 67 / 100 for Monolithic Power Systems, Inc.).
- Segment focus: American Tower Corporation has 3 segments; Monolithic Power Systems, Inc. has 6 segments (32.5% in Enterprise Data).
- Moat breadth: American Tower Corporation has 6 moat types across 4 domains; Monolithic Power Systems, Inc. has 4 across 3.
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)
Monolithic Power Systems, Inc.
Enterprise Data
Power management ICs and power modules for enterprise/data center servers (CPU/GPU/AI accelerators) and cloud/on-prem compute platforms
Global
OEMs/ODMs and cloud platform designers
Fabless component supplier (power semiconductors)
32.5%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
American Tower Corporation strengths
Monolithic Power Systems, Inc. strengths
Segment mix
American Tower Corporation segments
Full profile >U.S. & Canada Communications Sites
Oligopoly
International Communications Sites
Oligopoly
Data Centers
Competitive
Monolithic Power Systems, Inc. segments
Full profile >Enterprise Data
Oligopoly
Storage and Computing
Competitive
Automotive
Oligopoly
Communications
Oligopoly
Consumer
Competitive
Industrial
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.