VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Tuesday, December 30, 2025
Stock Comparison
Lam Research Corporation vs Merck & Co., Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Lam Research Corporation
LRCX · 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 Lam Research Corporation's moat claims, evidence, and risks.
View LRCX analysisMerck & Co., Inc.
MRK · 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 Merck & Co., Inc.'s moat claims, evidence, and risks.
View MRK analysisComparison highlights
- Moat score gap: Lam Research Corporation leads (73 / 100 vs 71 / 100 for Merck & Co., Inc.).
- Segment focus: Lam Research Corporation has 2 segments (62.3% in Systems); Merck & Co., Inc. has 2 segments (89.5% in Pharmaceutical).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Moderate vs Moderate.
- Moat breadth: Lam Research Corporation has 6 moat types across 2 domains; Merck & Co., Inc. has 5 across 3.
Primary market context
Lam Research Corporation
Systems
Wafer fabrication equipment (etch, deposition, clean and related wafer processing tools)
Global
Semiconductor manufacturers (memory, foundry, logic/IDM)
Equipment OEM
62.3%
Merck & Co., Inc.
Pharmaceutical
Branded prescription pharmaceuticals & human vaccines
Global
Wholesalers/retailers, managed care and government payers, hospitals/clinics
R&D-intensive innovator, manufacturer, and marketer
89.5%
Side-by-side metrics
Moat coverage
Shared moat types
Lam Research Corporation strengths
Merck & Co., Inc. strengths
Segment mix
Lam Research Corporation segments
Full profile >Systems
Oligopoly
Customer Support Business Group (CSBG)
Quasi-Monopoly
Merck & Co., Inc. segments
Full profile >Pharmaceutical
Competitive
Animal Health
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.