VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Tuesday, December 30, 2025
Stock Comparison
Pfizer Inc. vs Thermo Fisher Scientific Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Pfizer Inc.
PFE · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Thermo Fisher Scientific Inc.
TMO · 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 Thermo Fisher Scientific Inc.'s moat claims, evidence, and risks.
View TMO analysisComparison highlights
- Moat score gap: Thermo Fisher Scientific Inc. leads (64 / 100 vs 58 / 100 for Pfizer Inc.).
- Segment focus: Pfizer Inc. has 5 segments (47.4% in Primary Care); Thermo Fisher Scientific Inc. has 4 segments (53.6% in Laboratory Products and Biopharma Services).
- Primary market structure: Oligopoly vs Competitive. Pricing power: Moderate vs Moderate.
- Moat breadth: Pfizer Inc. has 8 moat types across 3 domains; Thermo Fisher Scientific Inc. has 8 across 3.
Primary market context
Pfizer Inc.
Primary Care
Branded primary care medicines and vaccines (incl. cardiovascular, migraine, pneumococcal/RSV/COVID-19)
Global
Healthcare providers, payers/PBMs, pharmacies/wholesalers, and government procurement
Innovator biopharma (R&D + manufacturing + commercialization)
47.4%
Thermo Fisher Scientific Inc.
Laboratory Products and Biopharma Services
Laboratory supplies distribution/market channel plus outsourced biopharma services (CDMO/CRO)
Global
Pharma & biotech; academic/government labs; industrial and clinical laboratories
Distributor/market channel and outsourced services provider
53.6%
Side-by-side metrics
Moat coverage
Shared moat types
Pfizer Inc. strengths
Thermo Fisher Scientific Inc. strengths
Segment mix
Pfizer Inc. segments
Full profile >Primary Care
Oligopoly
Specialty Care
Oligopoly
Oncology
Competitive
Pfizer CentreOne
Competitive
Pfizer Ignite
Competitive
Thermo Fisher Scientific Inc. segments
Full profile >Life Sciences Solutions
Oligopoly
Analytical Instruments
Oligopoly
Specialty Diagnostics
Oligopoly
Laboratory Products and Biopharma Services
Competitive
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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.