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Andreessen Horowitz (a16z)

Activity from announced rounds

Activity in this selectionSep 30, 2026 · Sep 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
18
Confirmed lead rounds
9
1 roles undisclosed
New companies
16
First participation on record · 2 follow-on
Funding in participating rounds
$5.5B
17 disclosed · full round size, not this investor’s share

By stage

Series C+8
Series A3
Seed2
Series B2
Undisclosed2
1 more
Pre-seed1

By primary sector

AI6
Enterprise software3
Fintech2
Healthtech2
Biotech1
4 more
Climate tech1
Developer tools1
Ecommerce1
Mobility1

By country

United States18

Rounds

18 in this selection
Jeeves

Jeeves provides a financial platform for global businesses, combining corporate cards, cross-border payments, expense controls and treasury tools.

$110MSeries C-1
Participant
EliseAI

Agentic AI software for housing operators and healthcare providers that automates customer conversations and operational workflows.

$350MGrowth financing
Lead
Vela Energy

AI agents coordinate procurement and permitting work for large energy and data-center projects.

$1.3MPre-Seed
Lead
BigHat Biosciences

An AI and synthetic-biology platform that designs and engineers antibody therapeutics.

$75MSeries C
Participant
Vals AI

Vals AI evaluates AI models on multi-step, economically valuable work across fields such as legal analysis, financial modeling and software engineering. Its private task-specific benchmarks, expert review and developer integrations help companies measure real-world capability and production risks.

$40MSeries A
Lead
Adaptive

An AI project-accounting platform that helps construction companies keep job costs, billing, payables and forecasts current using field and financial data.

$30MSeries B
Participant
Thatch

A health-benefits platform that lets employers set healthcare budgets while employees choose insurance and eligible care to fit their needs.

$108MNew funding
Participant
Ferry Health

Ferry is an AI healthcare-navigation assistant that helps patients find suitable in-network providers and schedule care. It handles the back-and-forth by checking specialty and location fit, contacting provider offices by phone and completing appointment booking by text; it reaches patients through partnerships with health systems and insurers.

$9MSeed
Role not disclosed
Temporal

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

$550MSeries E
Participant
Cognition

Cognition develops Devin, an autonomous software-engineering system, and the Windsurf AI code editor.

>$2BSeries E
Lead
Highstock

A wholesale marketplace helping brands sell surplus inventory to business buyers.

$30MSeries A
Lead
Clay

A go-to-market platform that combines customer and prospect data with AI research and automation tools for revenue teams.

$115MSeries D
Participant
Lightfield

Lightfield is an AI-native CRM that builds a shared, continuously updated record of a company's customers for employees and agents.

$47MSeries A
Lead
The Boring Company

The Boring Company builds tunnel-boring machines and underground Loop passenger systems for cities and transport partners.

$3BSeries D
Participant
Harvey

Provides legal infrastructure for law firms and in-house teams

$550MSeries H
Participant
Gimlet Labs

Provides a cloud inference platform and compiler that distribute AI workloads across different processor types.

$300MSeries B
Lead
Metal

An AI fundraising workspace that helps founders identify investors, research firms and manage venture rounds.

$4.5MSeed
Lead
Félix

A remittance service that lets Latino migrants in the United States send money to family in Latin America through a WhatsApp conversation.

$200MSeries C
Lead