VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Tuesday, December 30, 2025
Stock Comparison
Gilead Sciences, Inc. vs Alphabet Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Gilead Sciences, Inc.
GILD · 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 Gilead Sciences, Inc.'s moat claims, evidence, and risks.
View GILD analysisAlphabet Inc.
GOOGL · The Nasdaq Stock 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 Alphabet Inc.'s moat claims, evidence, and risks.
View GOOGL analysisComparison highlights
- Moat score gap: Alphabet Inc. leads (86 / 100 vs 74 / 100 for Gilead Sciences, Inc.).
- Segment focus: Gilead Sciences, Inc. has 5 segments (68.5% in HIV); Alphabet Inc. has 6 segments (56.6% in Google Search & other (Advertising)).
- Primary market structure: Oligopoly vs Quasi-Monopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Gilead Sciences, Inc. has 8 moat types across 3 domains; Alphabet Inc. has 10 across 4.
Primary market context
Gilead Sciences, Inc.
HIV
HIV treatment and prevention medicines (antiretroviral therapy and PrEP)
Global (U.S. and Europe are major markets)
Patients/prescribers; reimbursed by public and private payers; distributed via wholesalers and specialty pharmacies
Drug developer and marketing authorization holder
68.5%
Alphabet Inc.
Google Search & other (Advertising)
Search advertising (intent-based digital ads)
Global
Advertisers (SMB to enterprise)
Ad platform / publisher
56.6%
Side-by-side metrics
Moat coverage
Shared moat types
Gilead Sciences, Inc. strengths
Alphabet Inc. strengths
Segment mix
Gilead Sciences, Inc. segments
Full profile >HIV
Oligopoly
Oncology (Cell Therapy + Trodelvy)
Oligopoly
Liver Disease
Oligopoly
Veklury (Remdesivir)
Competitive
Other Products
Competitive
Alphabet Inc. segments
Full profile >Google Search & other (Advertising)
Quasi-Monopoly
YouTube (Advertising)
Oligopoly
Google Network (Advertising)
Competitive
Google Subscriptions, Platforms & Devices
Quasi-Monopoly
Google Cloud
Oligopoly
Other Bets
Competitive
Want the full wide moat stocks list?
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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.