VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Tuesday, December 30, 2025
Stock Comparison
Amgen Inc. vs Diageo plc
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Amgen Inc.
AMGN · Nasdaq Stock Market
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Diageo plc
DGE · London Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: Diageo plc leads (77 / 100 vs 70 / 100 for Amgen Inc.).
- Segment focus: Amgen Inc. has 3 segments (80.1% in Core Innovative Medicines); Diageo plc has 3 segments (76% in Spirits).
- Primary market structure: Competitive vs Oligopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Amgen Inc. has 5 moat types across 3 domains; Diageo plc has 3 across 2.
Primary market context
Amgen Inc.
Core Innovative Medicines
Branded biopharmaceutical therapies for common diseases (bone health, inflammation, oncology, cardiovascular and other specialty areas)
Global
Payers, providers, and pharmacies
Drug developer/manufacturer
80.1%
Diageo plc
Spirits
Branded premium spirits (whisky, tequila, vodka, gin, rum, liqueurs)
Global
Consumers via off-trade retailers and on-trade outlets; distributors/wholesalers and key accounts
Brand owner and producer with route-to-market execution
76%
Side-by-side metrics
Moat coverage
Shared moat types
Amgen Inc. strengths
Diageo plc strengths
Segment mix
Amgen Inc. segments
Full profile >Core Innovative Medicines
Competitive
Rare Disease Portfolio (Horizon + others)
Quasi-Monopoly
Biosimilars
Oligopoly
Diageo plc segments
Full profile >Spirits
Oligopoly
Beer (Guinness and other beers)
Oligopoly
Ready-to-Drink (RTDs)
Competitive
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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 Pricing, features, and availability may be incomplete or out of date.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.