VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 7, 2026
Stock Comparison
Boston Scientific Corporation vs Pfizer Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Boston Scientific Corporation
BSX · 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 Boston Scientific Corporation's moat claims, evidence, and risks.
View BSX analysisPfizer Inc.
PFE · New York 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: Boston Scientific Corporation leads (65 / 100 vs 58 / 100 for Pfizer Inc.).
- Segment focus: Boston Scientific Corporation has 5 segments (49.8% in Cardiology); Pfizer Inc. has 5 segments (47.4% in Primary Care).
- Moat breadth: Boston Scientific Corporation has 6 moat types across 3 domains; Pfizer Inc. has 8 across 3.
Primary market context
Boston Scientific Corporation
Cardiology
Cardiology devices (interventional cardiology, structural heart, electrophysiology, cardiac rhythm management and remote monitoring)
Global
Hospitals/cath labs/EP labs and specialty clinics (cardiologists, electrophysiologists)
Medical device OEM / implantables + procedure devices + service-enabled monitoring
49.8%
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%
Side-by-side metrics
Moat coverage
Shared moat types
Boston Scientific Corporation strengths
Pfizer Inc. strengths
Segment mix
Boston Scientific Corporation segments
Full profile >Endoscopy
Oligopoly
Urology
Competitive
Neuromodulation
Oligopoly
Cardiology
Oligopoly
Peripheral Interventions
Competitive
Pfizer Inc. segments
Full profile >Primary Care
Oligopoly
Specialty Care
Oligopoly
Oncology
Competitive
Pfizer CentreOne
Competitive
Pfizer Ignite
Competitive
Want the full wide moat stocks list?
Browse the full ranking of wide moat stocks, updated with moat scores and segment context.
View the moat stocks listLooking for expansion-stage stocks?
Proven models entering the expansion stage with unit economics that work.
View expansion-stage stocksCuration & 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.