VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Saturday, January 3, 2026
Stock Comparison
Norfolk Southern Corporation vs Pfizer Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Norfolk Southern Corporation
NSC · 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 Norfolk Southern Corporation's moat claims, evidence, and risks.
View NSC 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: Norfolk Southern Corporation leads (70 / 100 vs 58 / 100 for Pfizer Inc.).
- Segment focus: Norfolk Southern Corporation has 3 segments (62% in Merchandise); Pfizer Inc. has 5 segments (47.4% in Primary Care).
- Moat breadth: Norfolk Southern Corporation has 4 moat types across 3 domains; Pfizer Inc. has 8 across 3.
Primary market context
Norfolk Southern Corporation
Merchandise
Eastern U.S. freight rail transportation for industrial & consumer goods
United States (Southeast/East/Midwest; NS network + interchanges)
Manufacturers, producers, and distributors
Rail carrier
62%
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
No overlap yet.
Norfolk Southern Corporation strengths
Pfizer Inc. strengths
Segment mix
Norfolk Southern Corporation segments
Full profile >Merchandise
Oligopoly
Intermodal
Oligopoly
Coal
Oligopoly
Pfizer Inc. segments
Full profile >Primary Care
Oligopoly
Specialty Care
Oligopoly
Oncology
Competitive
Pfizer CentreOne
Competitive
Pfizer Ignite
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.