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

  • Jan 2026fundraise
    Basis Set closed Fund IV at $250M, bringing total AUM to $850M. Foundry and Melinda French Gates' Pivotal Ventures are publicly named LPs. The firm described the vehicle as capital for pre-narrative, pre-category bets alongside independent-thinking founders. basisset.com
  • Jun 2026press
    Partner Chang Xu appeared at TechCrunch's StrictlyVC evening in Los Angeles, speaking about AI investment strategy as the firm invests out of Fund IV with nearly $1B in AUM. cbinsights.com
  • Jun 2026investment
    Portfolio exit: Entendre exited on June 22, 2026 — Basis Set's ninth portfolio exit to date. cbinsights.com
  • Jun 2026investment
    Tomo raised $5M in a seed round led by Bain Capital Ventures, with Basis Set participating alongside Conviction and angel investors. tracxn.com
  • May 2026investment
    Basata raised a $21M Series A led by Basis Set founder Lan Xuezhao, with co-investors including Aileen Lee of Cowboy Ventures and Victoria Treyger. tipranks.com
  • Apr 2026investment
    Daydream raised $15M in a Series A round with Basis Set participating. tipranks.com
  • Feb 2026investment
    Quill raised $6.5M, with Basis Set participating alongside 500 Global and others. tracxn.com
  • Jul 2026investment
    Neion Bio announced a $23M Series A led by Caffeinated Capital, with Basis Set deepening its relationship as a follow-on investor. Neion engineers chickens to produce biologic proteins for domestic medicine supply chains. linkedin.com
  • 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

Notable investments

Key people

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

Sources

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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 August 20, 2026. Each claim is linked to its source above.

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