Companies funded by Andreessen Horowitz
Multi-stage venture firm investing across consumer, enterprise, fintech, and crypto.
Ranked by current headcount across companies in Andreessen Horowitz's disclosed portfolio. Refreshed daily.
- 1Airbnb· San Francisco, California, United States
- Post-IPO debt
- 69.2k employees
- Founded 2007
- 2Instacart· San Francisco, California, United States
- Private equity
- 24.3k employees
- Founded 2012
- 3Revolut· London, England, United Kingdom
- Secondary
- 16.8k employees
- Founded 2015
- 4Databricks· San Francisco, California, United States
- Debt
- 14.9k employees
- Founded 2013
- 5Stripe· South San Francisco, California, United States
- Secondary
- 14.7k employees
- Founded 2010
- 6
- Debt
- 14.6k employees
- Founded 2015
- 7Fanatics· New York, New York, United States
- Private equity
- 14.4k employees
- Founded 2011
- 8Pinterest· San Francisco, California, United States
- Post-IPO debt
- 13.4k employees
- Founded 2010
- 9Business Insider· New York, New York, United States
- Series unknown
- 13k employees
- Founded 2007
- 10Wise· London, England, United Kingdom
- Post-IPO debt
- 10.1k employees
- Founded 2011
- 11Deel· San Francisco, California, United States
- Series E
- 9.1k employees
- Founded 2019
- 12Roblox· San Mateo, California, United States
- Post-IPO equity
- 8.8k employees
- Founded 2004
- 13OpenAI· San Francisco, California, United States
- Series unknown
- 7.8k employees
- Founded 2015
- 14Coinbase· First, West Virginia, United States
- Post-IPO debt
- 7.5k employees
- Founded 2012
- 15Okta· San Francisco, California, United States
- Post-IPO equity
- 7.2k employees
- Founded 2009
- 16Anduril Industries· Orange, California, United States
- Grant
- 7.2k employees
- Founded 2017
- 17
- Seed
- 6.2k employees
- Founded 2010
- 18GitHub· San Francisco, California, United States
- Series B
- 6k employees
- Founded 2008
- 19Samsara· San Francisco, California, United States
- Secondary
- 5.4k employees
- Founded 2015
- 20
- Series E
- 5.2k employees
- Founded 2023
- 21Reddit, Inc.· San Francisco, California, United States
- Series F
- 4.7k employees
- Founded 2005
- 22Robinhood· Menlo Park, California, United States
- Post-IPO equity
- 4.6k employees
- Founded 2013
- 23Asana· San Francisco, California, United States
- undisclosed
- 4.2k employees
- Founded 2008
- 24Brock University· St. Catharines, Ontario, Canada
- Series A
- 4.2k employees
- Founded 1962
- 25Box· Redwood City, California, United States
- Post-IPO debt
- 4.2k employees
- Founded 2005
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 798 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: Thu, 07 May 2026 04:00:16 GMT
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