Companies funded by Andreessen Horowitz
Multi-stage venture firm investing across consumer, enterprise, fintech, and crypto.
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Ranked by current headcount across companies in Andreessen Horowitz's disclosed portfolio. Refreshed daily.
- 1Airbnb· San Francisco, California, United States
- Post-IPO debt
- 68.6k employees
- Founded 2007
- 2Instagram
- Series B
- 53.3k employees
- Founded 2010
- 3Lyft· San Francisco, California, United States
- Post-IPO debt
- 28.1k employees
- Founded 2012
- 4Instacart· San Francisco, California, United States
- Private equity
- 24.8k employees
- Founded 2012
- 5SpaceX· Hawthorne, California, United States
- Secondary
- 19.5k employees
- Founded 2002
Find engineers and founders in Andreessen Horowitz’s portfolio
Andreessen Horowitz’s portfolio is a curated bet on the next wave of category-defining companies. The list above ranks Andreessen Horowitz-backed companies by current headcount, drawn from public LinkedIn and Crunchbase records. With 876 matching companies in our index, the depth of senior engineers, founders, and operators is significant.
Andreessen Horowitz’s companies tend to share a profile - strong technical founders, fresh capital, and access to the Andreessen Horowitz network. Hiring from these companies often means hiring from one of the most curated talent pools in tech.
Refolk turns this list into a search. Ask for “Andreessen Horowitzportfolio companies hiring senior ML engineers” or “founders of Andreessen Horowitz-backed companies who left in the last year” and Refolk returns a fresh ranked shortlist.
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Last refreshed: Sun, 21 Jun 2026 07:17:27 GMT
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