Prefix Capital
Overview
Prefix Capital is a venture capital firm based in San Francisco, California. It focuses on early-stage investments in foundational, deep-tech companies . The firm typically participates in Seed and Series A rounds, with occasional involvement in later stages . Their investment strategy centers on transformative technologies across various sectors .
Investments
| Company | Date | Stage | Lead |
|---|---|---|---|
| VidMob | Feb 2021 | Series C | Lead |
| Base Operations | Dec 2021 | Seed | Co-investor |
| Aligned Carbon | Sep 2023 | Seed | Co-investor |
| Neutrolis Inc | Feb 2025 | VC Round | Co-investor |
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Key People
Byron Alsberg
Co-founder Managing Partner
Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.
FAQ
Where is Prefix Capital based?
Prefix Capital is headquartered in San Francisco, California, United States.
When was Prefix Capital founded?
Prefix Capital was founded in 2019.
How many portfolio companies does Prefix Capital have?
Prefix Capital has 8 portfolio companies in Caplight's dataset.
What are some companies in Prefix Capital's portfolio?
Portfolio companies visible on Caplight include VidMob, Base Operations, Aligned Carbon, Neutrolis Inc.
What was Prefix Capital's most recent investment shown here?
Prefix Capital's most recent investment in this portfolio sample was in Neutrolis Inc in 2025.
What sectors does Prefix Capital focus on?
Prefix Capital focuses on Healthcare & Life Sciences, Frontier & Industrial Tech, Cybersecurity, Enterprise Software, Enterprise Software, AI, Data & Cloud Infrastructure, Frontier & Industrial Tech, Healthcare & Life Sciences, Energy & Sustainability, Mobility, Transportation & Logistics, AI, Data & Cloud Infrastructure, AI, Data & Cloud Infrastructure, Frontier & Industrial Tech, AI, Data & Cloud Infrastructure, Energy & Sustainability.
What company stages does Prefix Capital focus on?
Prefix Capital typically invests at the Early stage.
What is Prefix Capital's AUM?
Prefix Capital's assets under management are estimated between $100.0M and $250.0M.