VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 1, 2026
Stock Comparison
PACCAR Inc vs Pfizer Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
PACCAR Inc
PCAR · NASDAQ
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
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.
Comparison highlights
- Moat score gap: PACCAR Inc leads (75 / 100 vs 58 / 100 for Pfizer Inc.).
- Segment focus: PACCAR Inc has 3 segments (73.8% in Truck); Pfizer Inc. has 5 segments (47.4% in Primary Care).
- Moat breadth: PACCAR Inc has 8 moat types across 3 domains; Pfizer Inc. has 8 across 3.
Primary market context
PACCAR Inc
Truck
Commercial truck OEM (heavy- and medium-duty)
Global (U.S./Canada and Europe primary)
Fleets, owner-operators, dealers
OEM / manufacturer
73.8%
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
PACCAR Inc strengths
Pfizer Inc. strengths
Segment mix
PACCAR Inc segments
Full profile >Truck
Oligopoly
Parts
Competitive
Financial Services
Competitive
Pfizer Inc. segments
Full profile >Primary Care
Oligopoly
Specialty Care
Oligopoly
Oncology
Competitive
Pfizer CentreOne
Competitive
Pfizer Ignite
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).
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