Seed-stage VC, US

Basis Set Ventures

Venture capital firm · San Francisco · Founded June 2017

Quick read

Basis Set Ventures is an AI-focused seed and Series A venture firm founded in June 2017 and headquartered in San Francisco, CA. It backs early-stage companies using AI to automate workflows, scale infrastructure, and improve enterprise productivity, writing seed checks of $2M–$3M with 50% reserves for follow-on. The firm closed its $250M Fund IV in January 2026 and manages over $850M in cumulative AUM.

Key facts

Founded
June 2017
Founders
Lan Xuezhao
Employees
10-50
Sectors
ai, enterprise, saas, devtools
Website
www.basisset.com

Investment thesis

Basis Set backs early-stage (pre-seed through Series A) companies using AI to automate enterprise workflows, scale infrastructure, and power intelligent collaboration — investing at the earliest moment with $2M–$3M seed checks and reserving 50% of each fund for follow-on.

Recent activity

  • 2026investment
    Basis Set led the seed round for Alien platform, a $5M raise co-backed by Jibe Ventures and angels from OpenAI, Google, and Databricks. x.com
  • 2026investment
    Basis Set participated in PgDog's $5.5M seed round alongside Y Combinator and Pioneer Fund. PgDog is a Postgres connection pooler, load balancer, and database sharder. x.com
  • 2026investment
    Lan Xuezhao led Basata's $21M Series A, joined by Aileen Lee of Cowboy Ventures and other investors. linkedin.com
  • 2026investment
    Portfolio company Entendre AI was acquired by MoonPay. Basis Set had led Entendre's first round. linkedin.com
  • 2026investment
    Rasa secured a $30M Series C co-led by StepStone Group and PayPal Ventures, with Basis Set Ventures among the supporting investors. linkedin.com
  • 2026press
    Basis Set confirmed $850M AUM, per partner Wilson Kyi's public profile. linkedin.com
  • 2026investment
    Tracxn reports Basis Set has invested in 67 companies total, with 12 new investments in the last 12 months. Most recent disclosed deal is a seed round in Synthetic Overall. tracxn.com
  • Ongoingproduct
    Basis Set Fellowship accepts applications from recent graduates building self-directed projects, with a 12-week SF program embedded at AI companies. x.com
  • Jan 2026fundraise
    Basis Set closed its $250M Fund IV, bringing total AUM to $850M. Foundry and Melinda French Gates' Pivotal Ventures are publicly named LPs. en.wikipedia.org
  • Jan 2026press
    Basis Set published a piece titled "Agents Broke Our Old Infrastructure. Now We Get to Rebuild It," signaling the firm's current thesis around agentic AI infrastructure. f4.fund
  • 2026product
    Basis Set launched its 2026 AI Fellowship — a 12-week program in San Francisco embedding early-career builders with AI companies. Mem0 joined as a partner for an Agentic Memory Track focused on AI agents, memory, retrieval, and context engineering. x.com
  • May 2026investment
    Basis Set led Basata's $21M Series A. Lan Xuezhao led the round alongside Aileen Lee of Cowboy Ventures and other investors. tipranks.com

Notable investments

Key people

Named individuals at the firm. We don't expose direct email or phone — use their LinkedIn for outreach.

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Frequently asked

What is Basis Set Ventures?+

Basis Set Ventures is an AI-focused seed and Series A venture firm founded in June 2017 and headquartered in San Francisco, CA. It backs early-stage companies using AI to automate workflows, scale infrastructure, and improve enterprise productivity, writing seed checks of $2M–$3M with 50% reserves for follow-on.

Where is Basis Set Ventures headquartered?+

Basis Set Ventures is headquartered in San Francisco, United States.

When was Basis Set Ventures founded?+

Basis Set Ventures was founded in June 2017 by Lan Xuezhao.

What sectors does Basis Set Ventures invest in?+

Basis Set Ventures focuses on ai, enterprise, saas, devtools. They primarily invest in these sectors.

How do I prepare for a meeting with Basis Set Ventures?+

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Generated by briefthecall.com from public web sources. Last updated July 20, 2026. Each claim is linked to its source above.

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