VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Pfizer Inc. vs Waste Management, 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.
Waste Management, Inc.
WM · 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 Waste Management, Inc.'s moat claims, evidence, and risks.
View WM analysisComparison highlights
- Moat score gap: Waste Management, Inc. leads (79 / 100 vs 58 / 100 for Pfizer Inc.).
- Segment focus: Pfizer Inc. has 5 segments (47.4% in Primary Care); Waste Management, Inc. has 4 segments (82.2% in Collection and Disposal).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Pfizer Inc. has 8 moat types across 3 domains; Waste Management, Inc. has 7 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%
Waste Management, Inc.
Collection and Disposal
Municipal, commercial, and industrial solid waste collection, transfer, and landfill disposal
North America (primarily US and Canada)
Municipalities and end-customers (residential, commercial, industrial) via direct and contract channels
Integrated hauler + transfer + landfill owner/operator
82.2%
Side-by-side metrics
Moat coverage
Shared moat types
Pfizer Inc. strengths
Waste Management, Inc. strengths
Segment mix
Pfizer Inc. segments
Full profile >Primary Care
Oligopoly
Specialty Care
Oligopoly
Oncology
Competitive
Pfizer CentreOne
Competitive
Pfizer Ignite
Competitive
Waste Management, Inc. segments
Full profile >Collection and Disposal
Oligopoly
Recycling Processing and Sales
Competitive
WM Renewable Energy
Competitive
WM Healthcare Solutions
Oligopoly
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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.