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Andreessen Horowitz (a16z)

Activity from announced rounds

Activity in this selectionDefense 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
11
Confirmed lead rounds
1
8 roles undisclosed
New companies
10
First participation on record · 1 follow-on
Funding in participating rounds
$9.7B
10 disclosed · full round size, not this investor’s share

By stage

Series C+6
Pre-seed1
Seed1
Series A1
Series B1
1 more
Undisclosed1

By primary sector

Defense tech7
Climate tech1
Industrial tech1
Mobility1
Space tech1

By country

United States10
1

Rounds

11 in this selection
Mara

Mara develops Spike, an autonomous counter-drone system designed to detect, track and stop hostile FPV drones.

$7MPre-Seed
Participant
Castelion

Builds low-cost, mass-producible hypersonic strike missiles for defense

$1BSeries C
Role not disclosed
Hadrian

Builds highly automated factories producing defense and aerospace systems

$1.4BSeries D
Participant
Senra Systems

Software-driven manufacturing company modernizing wire harness production

$65MSeries B
Role not disclosed
Westmag

American manufacturer of drone motors and robot actuators

$11MSeed
Role not disclosed
Anduril Industries

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

$5BSeries H
Lead
Astranis

Builds and operates small GEO satellites for commercial and government communications

$450MSeries E
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
Hadrian

Builds highly automated factories producing defense and aerospace systems

UndisclosedUndisclosed
Role not disclosed