First In is a Venture Capital firm based in Los Angeles, United States.

Early-stage investor in security tech led by former Marine Corps officers, CIA operatives and defense-tech operators who apply military systems thinking to back founders at the national security–commercial intersection.

Early Stage
Pre-Seed
Seed
Late Stage
Growth
Education
Robotics
Defense Tech
SaaS
Developer Tools
Healthcare
Artificial Intelligence
Crypto & Web3
AR/VR
Logistics
Fintech
Food & Beverage
Deep Tech
E-Commerce
Transportation
Gaming
PropTech
Insurtech
Climate Tech
Biotech
Cybersecurity
Headquarters
Los Angeles, United States
Founded
2020
Portfolio Companies
14
Total Investments
16
Last Investment
Oct 2026
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Indexed holds 14 portfolio companies and 16 funding rounds for this investor. The full record is or through the API.

Investment Thesis

First In invests in security technologies addressing geopolitical competition, asymmetric threats and vulnerable industrial supply chains, backing entrepreneurs whose technologies strengthen modern security.

It was founded in 2020. It has made 16 investments. Its portfolio includes Avail Bio, Antithesis and AnySignal, Inc.. Focus areas include Education and Robotics.

Portfolio14

Co-investors24

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24 co-investors across 28 shared portfolio companies — who they back alongside, and how often they lead.

Venture Capital ×18 · Hedge Fund ×2 · Private Equity ×1 · 31 shared rounds

Investment History

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First In on Indexed.vc
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