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Andreessen Horowitz (a16z)

Activity from announced rounds

Activity in this selectionFeb 28, 2026 · Feb 1, 2026

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
10
Confirmed lead rounds
0
9 roles undisclosed
New companies
9
First participation on record · 1 follow-on
Funding in participating rounds
$18.7B
10 disclosed · full round size, not this investor’s share

By stage

Series C+4
Series A2
Undisclosed2
Pre-seed1
Seed1

By primary sector

AI4
Biotech1
Defense tech1
Fintech1
Healthtech1
2 more
Mobility1
Travel tech1

By country

United States9
France1

Rounds

10 in this selection
Chariot Defense

Chariot Defense develops power-distribution systems for military use.

$34MSeries A
Role not disclosed
Temporal

Temporal provides an open-source durable execution platform for long-running applications and AI agents.

$300MSeries D
Role not disclosed
Talkiatry

Provides in-network psychiatric care using AI-powered technology

$210MSeries D
Role not disclosed
Mistral AI

Mistral AI develops AI models and computing infrastructure for enterprise and public-sector use.

€1.2BStrategic
Role not disclosed
Smart Bricks

Builds AI infrastructure for global real-estate investing

$5MPre-Seed
Role not disclosed
Meridian

Builds AI-powered financial modeling tools for engineering teams

$17MSeed
Role not disclosed
ElevenLabs

Develops voice AI models and audio synthesis tools for enterprise and consumer applications

$500MSeries D
Role not disclosed
Third Arc Bio

Develops novel multifunctional antibodies for oncology and immunology & inflammation indications

$52MSeries A+
Role not disclosed
Kindred

Global home swapping platform for community-driven travel

$125MSeries C
Role not disclosed
Waymo

Waymo develops autonomous driving technology and operates a fully driverless ride-hailing service.

$16BInvestment round
Participant