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Andreessen Horowitz (a16z)

Activity from announced rounds

All recorded activity

Andreessen Horowitz invests in technology companies from seed through growth, with specialist teams in AI, enterprise software, infrastructure, fintech, crypto, healthcare and consumer technology.

The firm pairs investors with an operating platform spanning recruiting, marketing, legal matters and public policy. This structure gives a founder access to specialists for building a management team, reaching customers and navigating regulated markets alongside the investment relationship.

Its American Dynamism practice extends the mandate into areas such as defence and industrial technology. Founders should identify the relevant investing practice: a16z operates across several markets with different technical and commercial requirements.

Sources
Rounds participated in
114
Confirmed lead rounds
22
65 roles undisclosed
New companies
104
First participation on record · 10 follow-on
Funding in participating rounds
$56.4B
110 disclosed · full round size, not this investor’s share

By stage

Series C+35
Series A29
Series B18
Seed13
Undisclosed12
2 more
Pre-seed5
Growth2

By primary sector

AI31
Fintech17
Enterprise software10
Healthtech10
Defense tech7
13 more
Mobility6
Developer tools5
Climate tech4
Hardware4
Industrial tech4
Robotics4
Ecommerce3
Biotech2
Cybersecurity2
Space tech2
Media & gaming1
Proptech1
Travel tech1

By country

United States101
United Kingdom3
2
France2
Sweden2
4 more
Colombia1
Germany1
Saudi Arabia1
Turkey1

Rounds

114 in all activity
Stilta

Automates research and analytical work behind intellectual property cases

$10.5MSeed
Role not disclosed
Stitch

API-first platform for banks and fintechs to build lending, cards, payments, and wallet products

$25MSeries A
Role not disclosed
Anduril Industries

Anduril Industries builds autonomous defense systems and Lattice software connecting sensors, platforms and military command workflows.

$5BSeries H
Lead
Mind Robotics

Builds full-stack AI-enabled industrial robotics platform to automate dexterous manufacturing tasks at scale

$400MSeries B
Role not disclosed
Ciridae

Builds AI operating systems for mid-market businesses in logistics, restoration, and industrial services

$20MSeed
Role not disclosed
Cowboy Space Corporation

Develops vertically integrated orbital data centers and launch vehicles for AI compute in space

$275MSeries B
Role not disclosed
Pit

AI platform that learns business workflows and builds custom internal tools for enterprise operations

$16MSeed
Role not disclosed
Kalshi

Offers prediction markets on real-world events

$1BSeries F
Role not disclosed
District

AI commerce platform helping creators and brands build custom online storefronts without coding

$14.7MSeed
Role not disclosed
Ethos

Ethos connects specialists with consulting and full-time opportunities at AI labs, investment firms and corporate teams.

$22.8MSeries A
Role not disclosed
Astranis

Builds and operates small GEO satellites for commercial and government communications

$450MSeries E
Role not disclosed
Tessera Labs

Vendor-agnostic multi-agent AI platform that modernizes enterprise ERP systems

$60MSeries A
Role not disclosed
Skye

Develops an AI-powered homescreen app for iPhone

$3.6MPre-Seed
Role not disclosed
Petual

AI-powered platform for audit and compliance

$20MUndisclosed
Role not disclosed
Ulysses

Ulysses builds autonomous underwater vehicles for maritime security, ocean science and commercial surveys.

$38MSeries A
Lead
Pillar

Automates financial risk management and hedging for commodity-driven businesses

$20MSeed
Role not disclosed
Treeline

Builds a modern IT operating system using software and AI

$25MSeries A
Role not disclosed
Harvey

Provides legal infrastructure for law firms and in-house teams

$200MGrowth
Role not disclosed
Glimpse

Provides AI-powered platform to automate financial deduction processes for retailers

$35MSeries A
Role not disclosed
Spade

Data and AI platform transforming how financial institutions use transaction data

$40MSeries B
Role not disclosed
Arc Boat Company

Arc Boat Company builds electric recreational boats and propulsion systems for commercial vessels.

$50MSeries C
Role not disclosed
Eclypsium

Provides supply chain security for IT infrastructure

$25MSeries C+
Role not disclosed
Turquoise Health

Provides a healthcare pricing and payment platform to streamline contracts and transactions

$40MSeries C
Role not disclosed
Mind Robotics

Builds full-stack AI-enabled industrial robotics platform to automate dexterous manufacturing tasks at scale

$500MSeries A
Role not disclosed
Replit

Provides AI-powered development platform for software creation and deployment

$400MSeries D
Role not disclosed
Nexthop AI

Provides highly efficient AI networking solutions for hyperscale data centers

$500MSeries B
Role not disclosed
Zcash Open Development Lab (ZODL)

Supports Zcash protocol development and builds wallet and privacy-focused infrastructure for the Zcash ecosystem

$5MGrant/Strategic
Role not disclosed
Lio

Provides a virtual, agentic procurement department for enterprise companies

$30MSeries A
Role not disclosed
Ease Health

Provides AI-native operating system for behavioral health providers

$41MSeries A
Role not disclosed