Skip to main content
Back to Investors

Mayfield Fund Portfolio Companies

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

Last updated: July 2026

Mayfield Fund Investment Overview

Portfolio Companies
197
Total Invested
$8.4B
Average Investment
$49.3M

Mayfield Fund's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Chi Botanic2023Grant$175KAlameda
Qwiet2022Series C$29.0MSan Jose
Exaforce2026Series B$125.0MSan Jose
NeuBird2026Venture - Series Unknown$19.3MRedwood City
OpenLight2026Series A$50.0MGoleta
OwnID2022Seed$6.2MSan Francisco
Mammoth Biosciences2024Corporate Round$95.0MSan Francisco
New Culture2025Series AUndisclosedSan Francisco
Auradine2025Series C$138.0MSanta Clara
Cognichip2026Series A$60.0MRedwood City

Complete List of Mayfield Fund Portfolio Companies (197)

Export
#CompanyStageAmountLocation
26Chi BotanicGrant$175KAlameda, United States
27QwietSeries C$29.0MSan Jose, United States
28ExaforceSeries B$125.0MSan Jose, United States
29NeuBirdVenture - Series Unknown$19.3MRedwood City, United States
30OpenLightSeries A$50.0MGoleta, United States
31OwnIDSeed$6.2MSan Francisco, United States
32Mammoth BiosciencesCorporate Round$95.0MSan Francisco, United States
33New CultureSeries AUndisclosedSan Francisco, United States
34AuradineSeries C$138.0MSanta Clara, United States
35CognichipSeries A$60.0MRedwood City, United States
AgricultureAgTechBiotechnologyCosmeticsFood and BeverageWaste Management

Chi Botanic is a cellular agriculture company that provides a synthetic biology pipeline to leverage the power of the plant cell.

Alameda, United States
May 2023
$175K
Grant

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cloud SecurityCyber SecurityDeveloper ToolsSecuritySoftware

Qwiet is an IT firm that developes an AI -powered AppSec platform.

San Jose, United States
May 2022
$29.0M
Series C

Founder Contacts

30,000+ verified contacts

Agentic AIArtificial Intelligence (AI)Cloud SecurityCyber SecurityNetwork Security

Exaforce is a cybersecurity company that develops an agentic security operations and modern SIEM platform for enterprise environments.

San Jose, United States
May 2026
$125.0M
Series B

Founder Contacts

30,000+ verified contacts

Cloud Data ServicesDevOpsInformation TechnologyInternet

NeuBird is a first-of-its-kind cloud-based generative operations platform for enterprises.

Redwood City, United States
April 2026
$19.3M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Electronic Design Automation (EDA)Machine LearningOptical CommunicationQuantum ComputingSemiconductor

OpenLight is a manufacturing company that specializes in custom photonic application and circuit chip design.

Goleta, United States
April 2026
$50.0M
Series A

Founder Contacts

30,000+ verified contacts

Information ServicesInformation TechnologySoftware

OwnID helps enterprises empower consumers to register, login, and checkout with biometrics - FaceID & TouchID - all without a password.

San Francisco, United States
April 2022
$6.2M
Seed

Founder Contacts

30,000+ verified contacts

BiotechnologyGeneticsHealth DiagnosticsLife Science

Mammoth Biosciences develops novel CRISPR applications for disease detection, research, agriculture, biodefense, and more.

San Francisco, United States
April 2024
$95.0M
Corporate Round

Founder Contacts

30,000+ verified contacts

Food and Beverage

New Culture is a food and beverage company that focuses on revolutionizing how cheese is made.

San Francisco, United States
April 2025
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)BlockchainInformation TechnologyInfrastructureSecurity

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

Santa Clara, United States
April 2025
$138.0M
Series C

Founder Contacts

30,000+ verified contacts

AI InfrastructureArtificial Intelligence (AI)Electronic Design Automation (EDA)ManufacturingSemiconductorSimulation

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

Redwood City, United States
April 2026
$60.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Consumer ElectronicsFitnessMachine LearningPersonal Health

Tonal is a smart home gym that uses artificial intelligence and coaching to provide strength training.

San Francisco, United States
April 2023
$130.0M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

ComputerSaaSSales AutomationSoftware

WorkSpan is the #1 ecosystem management network that empowers companies to turbocharge and scale their co-sell revenue growth.

San Bernardino, United States
March 2025
Series D

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ElectronicsMachine LearningManufacturingProduct DesignSemiconductor

Alif Semiconductor develops AI-enabled microcontrollers and embedded processors for edge computing, IoT, automotive, industrial devices.

Pleasanton, United States
March 2022
$113.4M
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cloud SecurityCyber SecurityData GovernanceData ManagementEnterprise SoftwarePrivacyRisk ManagementSecurity

Securiti is the pioneer of the DataAI Command Center, a centralized platform that enables the safe use of data and GenAI.

San Jose, United States
March 2023
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cloud SecurityCyber SecurityNetwork Security

Balbix offers an AI-native cyber risk and exposure management platform to give security teams a real-time view of their attack surface.

San Jose, United States
March 2022
$70.0M
Series C

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Business IntelligenceFoundational AIIntelligent SystemsReal TimeRobotics

Rhoda AI is a tech company that develops a class of robot foundation models designed to bring general intelligence into the physical world.

Palo Alto, United States
March 2026
$450.0M
Series A

Founder Contacts

30,000+ verified contacts

AI InfrastructureAnalyticsArtificial Intelligence (AI)Machine LearningSemiconductorSoftware

SambaNova is an AI hardware and software company that specializes in providing infrastructure for AI and machine learning applications.

Palo Alto, United States
February 2026
$350.0M
Series E

Founder Contacts

30,000+ verified contacts

Machinery ManufacturingManufacturingSemiconductor

Akeana provides RISC-V processor IP and system solutions, including multi-core processors, interconnects, and hardware accelerators.

Santa Clara, United States
February 2022
$100.0M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

AnalyticsDatabaseData VisualizationInformation TechnologyInternet of Things

InfluxData is the creator of InfluxDB, an open source time series database and platform.

San Francisco, United States
February 2023
Debt Financing

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Machine LearningSoftware

Gruve is an AI-native services startup powering enterprise AI transformation across agents, security, data, and inference infrastructure.

San Francisco, United States
February 2026
$50.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)EducationTraining

Pensieve is an AI educational platform that handles grading and provides feedback to colleges with lectures.

San Francisco, United States
February 2026
$6.9M
Seed

Founder Contacts

30,000+ verified contacts

Internet

Highway 9 Networks provides a mobile cloud for the AI-driven enterprise.

Santa Clara, United States
February 2024
$25.0M
Undisclosed

Founder Contacts

30,000+ verified contacts

Agentic AICustomer ServiceMarketing

Kana's aim is to envision a future in which AI and marketers collaborate to provide each consumer with a flawless, customized experience.

San Francisco, United States
February 2026
$15.0M
Seed

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CareTherapeutics

Capitalizing on our human data-guided target identification and validation platform, we are redefining the landscape of pain management.

Menlo Park, United States
February 2022
$6.7M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Enterprise SoftwareGenerative AIProductivity ToolsSaaSSoftware

GoLinks is a company that provides tools for creating and managing internal short links for workplace knowledge access.

San Jose, United States
February 2022
$27.0M
Series A

Founder Contacts

30,000+ verified contacts

Showing 26-50 of 197 portfolio companies

Frequently Asked Questions About Mayfield Fund

How many companies has Mayfield Fund invested in?

Mayfield Fund has invested in 197 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Mayfield Fund invest in?

Mayfield Fund's top investment sectors include Artificial Intelligence (AI), Software, Machine Learning, Semiconductor, Cloud Security. The firm invests across 63 different industry categories.

What is Mayfield Fund's largest investment?

Among tracked funding rounds, Rhoda AI received $450.0M in a Series A round. Mayfield Fund's total known invested capital is $8.4B.

What is the average investment size for Mayfield Fund?

Mayfield Fund's average investment size is $49.3M across its portfolio of 197 companies.

What are Mayfield Fund's most recent investments?

Recent Mayfield Fund portfolio additions include Chi Botanic, Qwiet, Exaforce, NeuBird, OpenLight. These companies were founded in 2020 or later.

Explore Other Top Investors

Discover portfolio companies of other leading venture capital firms and investors.

View All Investors