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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
InfluxData2023Debt Financing$30.0MSan Francisco
Versa Networks2022Private Equity$120.0MSanta Clara
Endpoint Health2022Series A$52.0MPalo Alto
Roost AI2022Convertible Note$1.0MSan Jose
Qwiet2022Series C$29.0MSan Jose
Alif Semiconductor2022Series B$113.4MPleasanton
Akeana2022Series Unknown$100.0MSanta Clara
Doloromics2022Seed$6.7MMenlo Park
Ridge2022Series A$12.0MBoston
SeekOut2022Series C$115.0MBellevue

Complete List of Mayfield Fund Portfolio Companies (197)

Export
#CompanyStageAmountLocation
151InfluxDataDebt Financing$30.0MSan Francisco, United States
152Versa NetworksPrivate Equity$120.0MSanta Clara, United States
153Endpoint HealthSeries A$52.0MPalo Alto, United States
154Roost AIConvertible Note$1.0MSan Jose, United States
155QwietSeries C$29.0MSan Jose, United States
156Alif SemiconductorSeries B$113.4MPleasanton, United States
157AkeanaSeries Unknown$100.0MSanta Clara, United States
158DoloromicsSeed$6.7MMenlo Park, United States
159RidgeSeries A$12.0MBoston, United States
160SeekOutSeries C$115.0MBellevue, United States
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
$30.0M
Debt Financing

Founder Contacts

30,000+ verified contacts

Cyber SecurityInformation TechnologyNetwork Security

Versa is a networking and cybersecurity firm that secures and simplifies modern networks for enterprises, teleworkers, and end-users.

Santa Clara, United States
October 2022
$120.0M
Private Equity

Founder Contacts

30,000+ verified contacts

Health Care

Endpoint Health is a precision immunology company

Palo Alto, United States
June 2022
$52.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsEnterprise SoftwareGenerative AISoftware

Roost.ai is an end-to-end and comprehensive testing platform driven by chatGPT and generative AI.

San Jose, United States
June 2022
$1.0M
Convertible Note

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

ElectronicsManufacturingProduct DesignSemiconductor

Alif Semiconductor develops processing solutions designed to connect and process systems.

Pleasanton, United States
March 2022
$113.4M
Series B

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
Series Unknown

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

Cloud ComputingCloud Data ServicesCloud InfrastructureCloud Storage

Get a cloud that works best for you! Ridge boosts cloud-native apps with a flexible cloud that sits on any infrastructure & in any location.

Boston, United States
January 2022
$12.0M
Series A

Founder Contacts

30,000+ verified contacts

Agentic AIAppsArtificial Intelligence (AI)Human ResourcesRecruitingSaaSSoftwareVertical Search

Grow the talent you have. Find the talent you need.

Bellevue, United States
January 2022
$115.0M
Series C

Founder Contacts

30,000+ verified contacts

Dietary SupplementsHealth CareWellness

Karmacist is involved in the making of wellness supplements and products through the science of Nutrigenomics.

London, United Kingdom
December 2021
$929K
Pre-Seed

Founder Contacts

30,000+ verified contacts

ContentGamingGraphic DesignInformation TechnologyInternetMetaverseUX Design

Totality Corp specializes in various types of information technology fields that include mobile gaming, 3D technology & tool development.

Gurgaon, India
October 2021
$1.8M
Seed

Founder Contacts

30,000+ verified contacts

Health CareMedical DeviceNanotechnology

Pioneering needle-free disease monitoring

San Francisco, United States
October 2021
$20.5M
Series B

Founder Contacts

30,000+ verified contacts

Management ConsultingSupply Chain ManagementTransportation

LEAP INDIA is a supply chain solutions company.

Kandivli, India
August 2021
$34.0M
Secondary Market

Founder Contacts

30,000+ verified contacts

Commercial Real EstateFinancial ServicesReal Estate Investment

Strata is a fractional real estate investment platform that makes investing in premium commercial properties easy, transparent, & affordable

Bengaluru, India
July 2021
$6.0M
Series A

Founder Contacts

30,000+ verified contacts

Enterprise SoftwareHuman ResourcesRecruitingSaaSSocial Recruiting

SmartRecruiters is a recruiting AI company that provides a hiring platform that automates and optimizes the talent acquisition process.

San Francisco, United States
July 2021
$110.0M
Series E

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Autonomous VehiclesLogisticsTransportation

Plus is an AI company whose mission is to build “driving intelligence” to power an autonomous future

Santa Clara, United States
March 2021
$100.2M
Series C

Founder Contacts

30,000+ verified contacts

Cloud InfrastructureCyber SecurityDevOpsInformation TechnologyPrivate CloudSoftware

HashiCorp is a remote-first company that solves development, security, and operations challenges in infrastructure.

San Francisco, United States
March 2021
Secondary Market

Founder Contacts

30,000+ verified contacts

Software

Immersa offers a data automation platform that connects product usage data to sales, service, and marketing to increase SaaS revenue.

Palo Alto, United States
February 2021
$10.0M
Series A

Founder Contacts

30,000+ verified contacts

E-CommerceFashionMarketplacePeer to Peer

Poshmark is a social marketplace for fashion where anyone can buy, sell, and share their style with others.

Redwood City, United States
December 2020
Series Unknown

Founder Contacts

30,000+ verified contacts

Health CareMedicalMedical DeviceNeuroscience

Nesos develops wearable interfaces and software components for the treatment of neurological disorders.

San Francisco, United States
December 2020
$16.5M
Series Unknown

Founder Contacts

30,000+ verified contacts

Financial ServicesLoyalty ProgramsMarketingMobile AppsPaymentsPoint of Sale

Five Stars is a payment and loyalty platform that offers marketing, point of sale, and business development services to local businesses.

San Francisco, United States
October 2020
$52.2M
Series D

Founder Contacts

30,000+ verified contacts

B2BCorporate TrainingEdTechEnterprise SoftwareInternetSaaSSoftwareTraining

Skilljar is a customer training platform for enterprises to accelerate product adoption and improve customer retention.

Seattle, United States
October 2020
$33.0M
Series B

Founder Contacts

30,000+ verified contacts

Data IntegrationIndustrial AutomationWeb Apps

Vector Flow develops a security automation platform that improves operational efficiencies and effectiveness in physical security.

Saratoga, United States
September 2020
$9.2M
Series A

Founder Contacts

30,000+ verified contacts

Health CareInformation ServicesInternetMedicalPrimary and Urgent Care

Affordable, direct-to-consumer virtual primary care for Americans with or without insurance.

Palo Alto, United States
September 2020
Series Unknown

Founder Contacts

30,000+ verified contacts

Showing 151-175 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 Health Care, Software, Information Technology, Artificial Intelligence (AI), Cyber Security. The firm invests across 73 different industry categories.

What is Mayfield Fund's largest investment?

Among tracked funding rounds, Versa Networks received $120.0M in a Private Equity 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 InfluxData, Versa Networks, Endpoint Health, Roost AI, Qwiet. These companies were founded in 2020 or later.

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