VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
CSX Corporation vs Monolithic Power Systems, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
CSX Corporation
CSX · NASDAQ
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into CSX Corporation's moat claims, evidence, and risks.
View CSX 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: CSX Corporation leads (74 / 100 vs 67 / 100 for Monolithic Power Systems, Inc.).
- Segment focus: CSX Corporation has 5 segments (61.2% in Merchandise (Rail)); Monolithic Power Systems, Inc. has 6 segments (32.5% in Enterprise Data).
- Moat breadth: CSX Corporation has 6 moat types across 2 domains; Monolithic Power Systems, Inc. has 4 across 3.
Primary market context
CSX Corporation
Merchandise (Rail)
Eastern U.S. rail freight transportation (merchandise carload)
Eastern United States (CSX network; interchange to other railroads)
Industrial, agricultural, automotive and consumer goods shippers; logistics providers
Common-carrier freight railroad (line-haul + switching/terminal)
61.2%
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
CSX Corporation strengths
Monolithic Power Systems, Inc. strengths
Segment mix
CSX Corporation segments
Full profile >Merchandise (Rail)
Oligopoly
Intermodal (Rail)
Competitive
Coal (Rail)
Oligopoly
Trucking (Quality Carriers)
Competitive
Other Revenue (Rail/Ancillary)
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.