Venture capital firm

Mayfield Fund

Early-stage venture firm investing in AI companies, mostly from inception, with a fifty-year track record

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Series A

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TrustList summary

Mayfield Fund is an early-stage venture capital firm with more than 50 years of history. It says it invests in relationships with entrepreneurs from inception, and now gives its main attention to artificial intelligence companies. A large share of its investments start at the company's creation.

What Mayfield Fund does

Inception-stage investment: about 70% of its investments begin at inception.
Founder partnership: a people-first approach with long-term involvement.
India investing: dedicated India funds, active there since 2006.
Perspectives: playbooks and interviews on scaling companies and handling downturns.

Customers and markets

Early-stage founders, particularly in AI. Companies linked to the firm include HashiCorp, Poshmark, Lyft, Outreach and Mammoth Biosciences.

Key facts

History: more than 50 years of investing
Track record: 120 public listings and more than 225 mergers and acquisitions
India: investing in the country since 2006
Motto: people first

Summary written by TrustList from the business's own published information, Oct 2026.

Gallery

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Categories & features

Series A

Rankings

Mayfield Fund is ranked on 1 TrustList ranking at #2.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Mayfield Fund has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Venture capital firm · 1 ranking

#2of 246
Series a
Of the top 57 here, 28 also cover series and 21 also cover seed stage; 5 also work in Silicon Valley and 5 also work in London.
Behind Octopus Ventures, ahead of NEA (New Enterprise Associates).

As of 2026-10-31. Organic ranks only; sponsored placements are never ranks. How TrustList ranks