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Andreessen Horowitz (a16z)

Activity from announced rounds

Activity in this selectionClimate tech

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
6
Confirmed lead rounds
1
4 roles undisclosed
New companies
6
First participation on record · 0 follow-on
Funding in participating rounds
$1.5B
6 disclosed · full round size, not this investor’s share

By stage

Series A2
Series C+2
Pre-seed1
Series B1

By primary sector

Climate tech4
Defense tech1
Space tech1

By country

United States6

Rounds

6 in this selection
Vela Energy

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

$1.3MPre-Seed
Lead
Base Power

Base Power builds and operates home batteries that supply backup electricity and help balance the power grid.

$1BSeries D
Participant
Cowboy Space Corporation

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

$275MSeries 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
Chariot Defense

Chariot Defense develops power-distribution systems for military use.

$34MSeries A
Role not disclosed
Standard Nuclear

Produces TRISO nuclear fuel for advanced nuclear reactors

$140MSeries A
Role not disclosed