VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Edwards Lifesciences Corporation vs Marsh & McLennan Companies, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Edwards Lifesciences Corporation
EW · 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 Edwards Lifesciences Corporation's moat claims, evidence, and risks.
View EW analysisMarsh & McLennan Companies, Inc.
MMC · 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 Marsh & McLennan Companies, Inc.'s moat claims, evidence, and risks.
View MMC analysisComparison highlights
- Moat score gap: Edwards Lifesciences Corporation leads (82 / 100 vs 65 / 100 for Marsh & McLennan Companies, Inc.).
- Segment focus: Edwards Lifesciences Corporation has 3 segments (75.5% in Transcatheter Aortic Valve Replacement (TAVR)); Marsh & McLennan Companies, Inc. has 2 segments (62.8% in Risk and Insurance Services).
- Moat breadth: Edwards Lifesciences Corporation has 6 moat types across 3 domains; Marsh & McLennan Companies, Inc. has 5 across 3.
Primary market context
Edwards Lifesciences Corporation
Transcatheter Aortic Valve Replacement (TAVR)
Transcatheter aortic valve replacement (TAVR) devices
Global
Hospitals and structural heart centers
Medical device manufacturer
75.5%
Marsh & McLennan Companies, Inc.
Risk and Insurance Services
Insurance brokerage, risk advisory, and reinsurance brokerage/services
Global
Enterprises, public entities, associations, and individuals (via broker/agent channels)
Intermediary + advisor (insurance/reinsurance market intermediary)
62.8%
Side-by-side metrics
Moat coverage
Shared moat types
Edwards Lifesciences Corporation strengths
Marsh & McLennan Companies, Inc. strengths
Segment mix
Edwards Lifesciences Corporation segments
Full profile >Transcatheter Aortic Valve Replacement (TAVR)
Oligopoly
Transcatheter Mitral and Tricuspid Therapies (TMTT)
Competitive
Surgical Structural Heart
Oligopoly
Marsh & McLennan Companies, Inc. segments
Full profile >Risk and Insurance Services
Oligopoly
Consulting
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.