Mayfield Fund logo

Mayfield Fund

North America, California, United States, Menlo Park

Description

Mayfield Fund is a distinguished early-stage venture capital firm, founded in 1969, making it one of the longest-standing VC firms in Silicon Valley. With a rich history spanning over five decades, Mayfield has consistently focused on partnering with entrepreneurs from the earliest stages, often at the seed or Series A rounds. The firm's investment thesis centers on 'People-First Investing,' emphasizing the importance of visionary founders and strong teams. Mayfield's portfolio reflects a strategic focus on transformative technologies across several key sectors, including enterprise software, deep technology, and increasingly, companies addressing human and planetary health challenges.

Over its extensive history, Mayfield has raised numerous funds, demonstrating sustained commitment to early-stage innovation. For instance, in 2022, the firm announced Mayfield XVII, a $525 million fund, alongside Mayfield Select II, a $150 million fund, bringing their total capital raised to over $7 billion across all funds. This substantial capital base allows Mayfield to provide significant support to its portfolio companies, not just through initial funding but also through follow-on rounds as they scale. The firm prides itself on its hands-on approach, leveraging its deep network and operational expertise to help founders navigate critical growth phases.

Mayfield's investment strategy is characterized by its commitment to backing disruptive ideas that have the potential to create new markets or redefine existing ones. Their portfolio includes notable successes across various technology cycles, from foundational enterprise software to cutting-edge AI and biotech solutions. The firm typically leads or co-leads early-stage rounds, providing capital and strategic guidance to help companies achieve product-market fit and accelerate their growth trajectories. Their long-term perspective and focus on foundational technologies underscore their role as a significant player in the early-stage venture ecosystem.

Investor Profile

Mayfield Fund has backed more than 698 startups, with 25 new investments in the last 12 months alone. The firm has led 215 rounds, about 31% of its total and boasts 195 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Series B, Series A, Series C rounds (top funding stages).
  • Majority of deals are located in United States, India, China.
  • Strong thematic focus on Software, Enterprise Software, Internet.
  • Led 15 rounds in the past year.
  • Typical check size: $1M – $15M.

Stage Focus

  • Series B (24%)
  • Series A (24%)
  • Series C (16%)
  • Series Unknown (13%)
  • Seed (9%)
  • Series D (6%)
  • Series E (3%)
  • Series F (1%)
  • Undisclosed (1%)
  • Pre Seed (1%)

Country Focus

  • United States (85%)
  • India (10%)
  • China (2%)
  • United Kingdom (2%)

Industry Focus

  • Software
  • Enterprise Software
  • Internet
  • Information Technology
  • Saas
  • E-commerce
  • Artificial Intelligence (Ai)
  • Manufacturing
  • Mobile
  • Health Care
circle-line
FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does Mayfield Fund frequently co-invest with?

Sequoia Capital
North America, California, United States, Menlo Park
Co-Investments: 18
Kleiner Perkins
North America, California, United States, Menlo Park
Co-Investments: 24
New Enterprise Associates
North America, California, United States, Menlo Park
Co-Investments: 19
GSR Ventures
North America, California, United States, Menlo Park
Co-Investments: 17
Norwest Venture Partners
North America, California, United States, Palo Alto
Co-Investments: 19
Foundation Capital
North America, California, United States, Palo Alto
Co-Investments: 17
Trinity Ventures
North America, California, United States, Menlo Park
Co-Investments: 28
U.S. Venture Partners
North America, California, United States, Menlo Park
Co-Investments: 25
Accel
North America, California, United States, Palo Alto
Co-Investments: 28
Redpoint
North America, California, United States, Menlo Park
Co-Investments: 17

Which angels does Mayfield Fund often collaborate with?

TW
North America, California, United States, San Francisco
Shared Deals: 5
RM
North America, California, United States, San Francisco
Shared Deals: 8
PC
North America, California, United States, Los Angeles
Shared Deals: 4
KH
North America, California, United States, San Francisco
Shared Deals: 2
EW
North America, California, United States, San Francisco
Shared Deals: 2
NR
North America, California, United States, San Francisco
Shared Deals: 4
CP
North America, California, United States
Shared Deals: 2
BH
North America, California, United States, Palo Alto
Shared Deals: 2
MM
North America, California, United States, Santa Clara
Shared Deals: 2
SP
North America, California, United States, San Francisco
Shared Deals: 3

What are some of recent deals done by Mayfield Fund?

Scrunch AI

Los Angeles, California, United States

Scrunch AI, a platform designed to help businesses optimize their presence in AI-driven search.

Information TechnologyInternet
Series AJul 22, 2025
Amount Raised: $15,000,000
Zucca

Seattle, Washington, United States

Zucca provides quickest and smartest method for bringing new food and drink products to market.

Information TechnologyInternet
SeedJul 16, 2025
Amount Raised: $5,000,000
Sema4.ai

Atlanta, Georgia, United States

Sema4.ai is an AI platform that empowers organizations to build, deploy, and manage agents designed to transform knowledge work.

Artificial Intelligence (AI)Generative AISoftwareWeb Development
Series AJun 4, 2025
Amount Raised: $25,000,000
Cognichip

Redwood City, California, United States

Cognichip is an AI-first deep tech company focused on transforming the semiconductor industry by revolutionizing how chips are designed.

Artificial Intelligence (AI)ManufacturingSemiconductor
SeedMay 15, 2025
Amount Raised: $33,000,000
Realta Fusion

Madison, Wisconsin, United States

Realta Fusion develops fusion energy technology for the production of industrial heat and power.

EnergyEnergy EfficiencyIndustrial
Series AMay 13, 2025
Amount Raised: $36,000,000
Supio

Seattle, Washington, United States

Supio is an accurate and dependable AI that assists attorneys in finding crucial information.

Artificial Intelligence (AI)MarketingSoftware Engineering
Series BApr 30, 2025
Amount Raised: $60,000,000
Gruve

San Francisco, California, United States

Gruve is a startup focused on transforming AI strategies into tangible outcomes for enterprises.

Artificial Intelligence (AI)Machine LearningSoftware
Series AApr 30, 2025
Amount Raised: $20,000,000

Minimus platform may assist businesses achieve an instant reduction in vulnerability exposure

Cyber Security
SeedApr 28, 2025
Amount Raised: $51,000,000
Exaforce

San Jose, California, United States

Exaforce is a cybersecurity company that streamlines securyt and operations with Agentic AI.

Cloud SecurityComputerNetwork Security
Series AApr 17, 2025
Amount Raised: $75,000,000
Auradine

Santa Clara, California, United States

Auradine provides web infrastructure solutions encompassing blockchain, artificial intelligence, and privacy technologies.

BlockchainInformation TechnologyInfrastructureSecurity
Series CApr 16, 2025
Amount Raised: $138,000,000