VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Pfizer Inc. vs RTX Corporation
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.
RTX Corporation
RTX · 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 RTX Corporation's moat claims, evidence, and risks.
View RTX analysisComparison highlights
- Moat score gap: RTX Corporation leads (69 / 100 vs 58 / 100 for Pfizer Inc.).
- Segment focus: Pfizer Inc. has 5 segments (47.4% in Primary Care); RTX Corporation has 3 segments (34.8% in Pratt & Whitney).
- Moat breadth: Pfizer Inc. has 8 moat types across 3 domains; RTX Corporation 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%
RTX Corporation
Pratt & Whitney
Aircraft engines & aftermarket services (commercial and military)
Global
Airframers, airlines, governments
Engine OEM + MRO
34.8%
Side-by-side metrics
Moat coverage
Shared moat types
Pfizer Inc. strengths
RTX Corporation strengths
Segment mix
Pfizer Inc. segments
Full profile >Primary Care
Oligopoly
Specialty Care
Oligopoly
Oncology
Competitive
Pfizer CentreOne
Competitive
Pfizer Ignite
Competitive
RTX Corporation segments
Full profile >Collins Aerospace
Oligopoly
Pratt & Whitney
Oligopoly
Raytheon
Oligopoly
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 Pricing, features, and availability may be incomplete or out of date.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.