VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Marsh & McLennan Companies, Inc. vs Nasdaq, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Marsh & 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 analysisNasdaq, Inc.
NDAQ · NASDAQ
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Nasdaq, Inc.'s moat claims, evidence, and risks.
View NDAQ analysisComparison highlights
- Moat score gap: Nasdaq, Inc. leads (76 / 100 vs 65 / 100 for Marsh & McLennan Companies, Inc.).
- Segment focus: Marsh & McLennan Companies, Inc. has 2 segments (62.8% in Risk and Insurance Services); Nasdaq, Inc. has 3 segments (42.4% in Capital Access Platforms).
- Moat breadth: Marsh & McLennan Companies, Inc. has 5 moat types across 3 domains; Nasdaq, Inc. has 9 across 5.
Primary market context
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%
Nasdaq, Inc.
Capital Access Platforms
Issuer and investor solutions: listings, index licensing, market data, and investment analytics/workflow platforms
Global (with major exposure to U.S. and Nordic/Baltic markets)
Public/private companies (issuers), asset managers, institutional investors, data subscribers
Listing venue + index administrator/licensor + data/analytics provider
42.4%
Side-by-side metrics
Moat coverage
Shared moat types
Marsh & McLennan Companies, Inc. strengths
Nasdaq, Inc. strengths
Segment mix
Marsh & McLennan Companies, Inc. segments
Full profile >Risk and Insurance Services
Oligopoly
Consulting
Competitive
Nasdaq, Inc. segments
Full profile >Market Services
Competitive
Capital Access Platforms
Oligopoly
Financial Technology
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.