First In
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.
Los Angeles, United States · 16+ investments · 12 portfolio companies
- Headquarters
- Los Angeles, United States
- Website
- wearefirstin.com
- Portfolio Companies
- 12
- Total Investments
- 16
- Last Investment
- May 2026
Overview
First In is a Venture Capital firm based in Los Angeles, United States. It has made 16 investments, including Avail Bio, Antithesis and AnySignal, Inc.. Focus areas include Education and Robotics.
Portfolio12
Co-investors24
Sign up to view co-investors
24 co-investors across 26 shared portfolio companies — who they back alongside, and how often they lead.
Venture Capital ×19 · Private Equity ×1 · Accelerator ×1 · 30 shared rounds
Investment History
Sign up to view investment history
Create a free account with 25 free credits every month, no card needed, to unlock deal history, amounts, and round details.
Your firm? Embed this profile
Add the live badge to your site — it stays current as your portfolio data updates.
<a href="https://indexed.vc/investors/first-in"><img src="https://indexed.vc/api/badge/investor/first-in" alt="First In on Indexed.vc" width="260" height="76" /></a>