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Lightspeed Venture Partners AI portfolio in San Francisco

Multi-stage venture firm with deep practices in enterprise, consumer, and fintech. Filtered to AI companies headquartered in San Francisco.

Built from a search like: “Lightspeed Venture Partners-backed AI companies in San Francisco”

Ranked by current headcount across Lightspeed Venture Partners-backed AI companies in San Francisco. Refreshed daily.

  1. 1
    Xaira Therapeutics· South San Francisco, California, United States
    • Series A
    • 192 employees
    • Founded 2023
  2. 2
    Olema Oncology· San Francisco, California, United States
    • Post-IPO equity
    • 157 employees
    • Founded 2007
  3. 3
    Arena· San Francisco, California, United States
    • Series A
    • 58 employees
    • Founded 2025
  4. 4
    3T Biosciences· South San Francisco, California, United States
    • Series A
    • 29 employees
    • Founded 2017

Lightspeed Venture Partners-backed AI companies in San Francisco

The list above ranks Lightspeed Venture Partners-backed AI companies headquartered in San Francisco by current headcount, drawn from public LinkedIn and Crunchbase records. With 4 matching companies in our index, you can see exactly where Lightspeed Venture Partners’s AI thesis has landed in San Francisco.

Three filters — investor, industry, city — narrow the field to a tight cluster of operators with overlapping incentives. They share a thesis, a network, and a market. Hiring from this list usually means hiring someone already inside the Lightspeed Venture Partners AI world in San Francisco.

Refolk converts this list into a live search. Ask for “Lightspeed Venture Partners AI companies in San Franciscohiring senior engineers” or “founders of Lightspeed Venture Partners-backed AI companies in San Francisco who left in the last year” and Refolk returns a ranked shortlist.

How this list is built

Refolk pulled AI companies headquartered in San Francisco whose disclosed Crunchbase investor list includes Lightspeed Venture Partners, ranked them by current employee count, and kept those with at least 3 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 08:01:06 GMT

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