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Home›
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Andreessen Horowitz
AddedFeb 11, 2024
UpdatedJul 16, 2026
Andreessen Horowitz

Andreessen Horowitz

Operating

Andreessen Horowitz (a16z) is a venture capital firm investing in technology companies from seed to growth stages.

Location
Menlo Park, CA, US
Founded
2009
Firm
Analysis
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Portfolio
Employees
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Website

Founded in 2009 by Marc Andreessen and Ben Horowitz, Andreessen Horowitz (a16z) is a Silicon Valley venture capital firm headquartered in Menlo Park, California. The firm manages over $100 billion across multiple funds and invests in technology companies spanning AI, bio and health, consumer, crypto, enterprise, fintech, and infrastructure.

a16z pioneered a platform model that pairs investors with operating teams providing marketing, policy, talent, and finance support to portfolio companies. Notable investments include Airbnb, Coinbase, Facebook, and Stripe, and the firm backs founders from seed through growth stages.

Andreessen Horowitz - Portfolio Snapshot

Portfolio activity breakdown across disclosed investments and stages

Total Investments1167
Current Portfolio Count556
Total Portfolio Exits42

Top Investment Stages

Series A295 (29.8%)
Seed269 (27.2%)
Series B217 (21.9%)
Series C127 (12.8%)
Series D81 (8.2%)

Stage Mix

Series A 30%Seed 27%Series B 22%Series C 13%Series D 8%

Concentration shown as share of disclosed investments by stage.

Recent Investments

Fleek logo

Fleek

Netris logo

Netris

Prosper AI logo

Prosper AI

XDOF logo

XDOF

Podium Automation logo

Podium Automation

Westmag logo

Westmag

Anduril Industries logo

Anduril Industries

Isomorphic Labs logo

Isomorphic Labs

Kalshi logo

Kalshi

District logo

District

Mintlify logo

Mintlify

Pillar logo

Pillar

Spade logo

Spade

Replit logo

Replit

Mind Robotics logo

Mind Robotics

Smart Bricks logo

Smart Bricks

ElevenLabs logo

ElevenLabs

XBuild logo

XBuild

Arena logo

Arena

Luma AI logo

Luma AI

Convex logo

Convex

Gamma logo

Gamma

EliseAI logo

EliseAI

Abridge logo

Abridge

Tennr logo

Tennr

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Andreessen Horowitz - Classification

Also Known As
  • CNK Capital Management, L.L.C.
Geographic Exposure
  • Americas
NAICS
  • 520000Finance and Insurance
  • 523000Securities, Commodity Contracts, and Other Financial Investments and Related Activities
  • 523900Other Financial Investment Activities
  • 523990All Other Financial Investment Activities
  • 523999Miscellaneous Financial Investment Activities
SIC
  • 6700Holding And Other Investment Offices
  • 6790Miscellaneous Investing
  • 6799Investors, Not Elsewhere Classified
Show 6 more industry codes
NAICS
  • 525000Funds, Trusts, and Other Financial Vehicles
  • 523910Miscellaneous Intermediation
  • 523940Portfolio Management and Investment Advice
SIC
  • 6000Depository Institutions
  • 6720Investment Offices
  • 6722Management Investment Offices, Open-end