VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Wednesday, December 31, 2025

Stock Comparison

BlackRock, Inc. vs Alphabet Inc.

Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.

BlackRock, Inc.

BLK · New York Stock Exchange

Market cap (USD)$168.1B
SectorFinancials
CountryUS
Data as of2025-12-31
Moat score
59/ 100

Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.

Full stock profile

Dive deeper into BlackRock, Inc.'s moat claims, evidence, and risks.

View BLK analysis

Alphabet Inc.

GOOGL · The Nasdaq Stock Market

Market cap (USD)$3.7T
SectorCommunication Services
CountryUS
Data as of2025-12-21
Moat score
86/ 100

Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.

Full stock profile

Dive deeper into Alphabet Inc.'s moat claims, evidence, and risks.

View GOOGL analysis

Comparison highlights

  • Moat score gap: Alphabet Inc. leads (86 / 100 vs 59 / 100 for BlackRock, Inc.).
  • Segment focus: BlackRock, Inc. has 7 segments (33% in iShares ETFs & ETPs); Alphabet Inc. has 6 segments (56.6% in Google Search & other (Advertising)).
  • Primary market structure: Oligopoly vs Quasi-Monopoly. Pricing power: Moderate vs Strong.
  • Moat breadth: BlackRock, Inc. has 10 moat types across 2 domains; Alphabet Inc. has 10 across 4.

Primary market context

BlackRock, Inc.

iShares ETFs & ETPs

Market

Exchange-traded funds (ETFs) and exchange-traded products (ETPs)

Geography

Global

Customer

Institutional and retail (via intermediaries)

Role

ETF sponsor / asset manager

Revenue share

33%

Alphabet Inc.

Google Search & other (Advertising)

Market

Search advertising (intent-based digital ads)

Geography

Global

Customer

Advertisers (SMB to enterprise)

Role

Ad platform / publisher

Revenue share

56.6%

Side-by-side metrics

BlackRock, Inc.
Alphabet Inc.
Ticker / Exchange
BLK - New York Stock Exchange
GOOGL - The Nasdaq Stock Market
Market cap (USD)
$168.1B
$3.7T
Sector
Financials
Communication Services
HQ country
US
US
Primary segment
iShares ETFs & ETPs
Google Search & other (Advertising)
Market structure
Oligopoly
Quasi-Monopoly
Market share
28.3% (reported)
88%-91% (reported)
HHI estimate
n/a
8,115
Pricing power
Moderate
Strong
Moat score
59 / 100
86 / 100
Moat domains
Supply, Demand
Network, Demand, Legal, Supply
Last update
2025-12-31
2025-12-21

Moat coverage

Shared moat types

Operational ExcellenceSwitching Costs General

BlackRock, Inc. strengths

Scale Economies Unit CostBrand TrustDistribution ControlSuite BundlingProcurement InertiaLong Term ContractsScope EconomiesData Workflow Lockin

Alphabet Inc. strengths

Data Network EffectsHabit DefaultTwo Sided NetworkContent Rights CurrencyDefault OS GatewayCapex Knowhow ScaleEcosystem ComplementsIncubation & patient capital

Segment mix

BlackRock, Inc. segments

Full profile >

iShares ETFs & ETPs

Oligopoly

33%

Institutional Index Mandates (Non-ETF)

Oligopoly

5.7%

Active & Multi-Asset (Public Markets)

Competitive

27.5%

Alternatives & Private Markets

Oligopoly

13.5%

Cash Management (MMFs & cash solutions)

Competitive

5.1%

Aladdin & Technology Services

Oligopoly

7.9%

Distribution & Advisory Services

Competitive

7.3%

Alphabet Inc. segments

Full profile >

Google Search & other (Advertising)

Quasi-Monopoly

56.6%

YouTube (Advertising)

Oligopoly

10.3%

Google Network (Advertising)

Competitive

8.7%

Google Subscriptions, Platforms & Devices

Quasi-Monopoly

11.5%

Google Cloud

Oligopoly

12.4%

Other Bets

Competitive

0.5%

Want the full wide moat stocks list?

Browse the full ranking of wide moat stocks, updated with moat scores and segment context.

View the moat stocks list

Curation & 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.