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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
TRIPP2023Convertible NoteUndisclosedLos Angeles
Lyft2025Post-IPO Debt$450.0MSan Francisco
Camtech AI2025Seed$1.3MOrlando
Phiar Technologies2021Series A$12.0MRedwood City
Engramme2025Pre-Seed$3.0MSan Francisco
Grove Collaborative2024Post-IPO Equity$15.0MSan Francisco
REZI2023Series BUndisclosedNew York
Postal2022Debt Financing$12.0MSan Luis Obispo
Oliver Space2022Series B$36.0MSan Francisco
Mission Bio2025Venture - Series UnknownUndisclosedSan Francisco

Complete List of Mayfield Fund Portfolio Companies (197)

Export
#CompanyStageAmountLocation
1TRIPPConvertible NoteUndisclosedLos Angeles, United States
2LyftPost-IPO Debt$450.0MSan Francisco, United States
3Camtech AISeed$1.3MOrlando, United States
4Phiar TechnologiesSeries A$12.0MRedwood City, United States
5EngrammePre-Seed$3.0MSan Francisco, United States
6Grove CollaborativePost-IPO Equity$15.0MSan Francisco, United States
7REZISeries BUndisclosedNew York, United States
8PostalDebt Financing$12.0MSan Luis Obispo, United States
9Oliver SpaceSeries B$36.0MSan Francisco, United States
10Mission BioVenture - Series UnknownUndisclosedSan Francisco, United States
GamingMental HealthPersonal HealthVirtual RealityWellness

TRIPP is a digital psychedelic wellness platform that uses virtual and augmented reality focusing on mental health.

Los Angeles, United States
September 2023
Convertible Note

Founder Contacts

30,000+ verified contacts

AppsMobile AppsRide SharingSoftwareTaxi ServiceTransportation

Lyft is a ride-hailing service offering car rentals, bike, and scooter-sharing through its mobile app for convenient transportation.

San Francisco, United States
September 2025
$450.0M
Post-IPO Debt

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Real TimeSearch Engine

Camtech AI empowers enterprises with an AI-driven multimodal visual data platform

Orlando, United States
September 2025
$1.3M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Augmented RealityAutomotiveComputer VisionMachine LearningNavigationSoftware

Phiar's Ultra-lightweight Spatial AI Engine enables vehicles to perceive its surroundings, and powers our first use case in AR Navigation.

Redwood City, United States
September 2021
$12.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Machine LearningService Industry

Engramme is an AI company that develops software for storing, organizing, and retrieving personal memories and information.

San Francisco, United States
September 2025
$3.0M
Pre-Seed

Founder Contacts

30,000+ verified contacts

Consumer GoodsE-CommerceInternetManufacturingRetail

Grove creates and curates high-performing, planet-first home, and personal care products.

San Francisco, United States
September 2024
$15.0M
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

Financial ServicesLeasingProperty ManagementReal EstateRentalRental Property

REZI is a rental company that provides leasing and financial technology for tenants, property owners, and landlords.

New York, United States
September 2023
Series B

Founder Contacts

30,000+ verified contacts

Data IntegrationDirect MarketingInformation TechnologyLead GenerationLead ManagementMarketing AutomationSales AutomationSoftware

The leading intelligent gifting platform helping thousands of businesses increase their pipeline, retain customers, and reward employees.

San Luis Obispo, United States
September 2022
$12.0M
Debt Financing

Founder Contacts

30,000+ verified contacts

FurnitureInterior DesignSubscription Service

Oliver Space assists with furnishing its clients homes through its room building and room furnishing service.

San Francisco, United States
August 2022
$36.0M
Series B

Founder Contacts

30,000+ verified contacts

BioinformaticsBiotechnologyGeneticsHealth CareOncology

Mission Bio develops only single-cell multi-omics platform integrating genotype and phenotype for cancer research and biomarker development.

San Francisco, United States
August 2025
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cloud InfrastructureCyber SecurityData IntegrationDeveloper PlatformDevOpsEnterprise SoftwareInformation TechnologySaaS

BigPanda is a software development firm that offers IT Ops, NOC, and DevOps teams to detect, investigate, and resolve IT incidents.

Redwood City, United States
August 2022
$20.0M
Series E

Founder Contacts

30,000+ verified contacts

AI InfrastructureArtificial Intelligence (AI)SemiconductorSoftware

Tensordyne is a technology company involved in building AI math, chips, hardware, and software in order to make AI affordable and efficient.

Sunnyvale, United States
July 2025
$35.0M
Series C

Founder Contacts

30,000+ verified contacts

Domain RegistrarInternet

Unstoppable Domains is an ICANN-accredited registrar, with at-cost registration, marketplace, and portfolio management in one platform.

San Francisco, United States
July 2022
$65.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Machine LearningSoftware

Inception AI is an AI product development company specializing in intelligent automation driven by artificial intelligence.

Princeton, United States
July 2024
$50.0M
Seed

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

Information TechnologyInternet

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

Seattle, United States
July 2025
$5.0M
Seed

Founder Contacts

30,000+ verified contacts

FitnessFood and BeverageNutritionSocial AssistanceWellness

Foodsmart provides a digital nutrition platform that uses personalized dietary recommendations to improve health outcomes.

San Francisco, United States
June 2024
$200.0M
Private Equity

Founder Contacts

30,000+ verified contacts

AI InfrastructureArtificial Intelligence (AI)Information TechnologyNetwork Security

Upscale AI redefines networking with purpose-built solutions for high-performance compute.

Santa Clara, United States
June 2026
$190.0M
Series A

Founder Contacts

30,000+ verified contacts

Health Care

Endpoint Health is a precision immunology company

Palo Alto, United States
June 2022
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)Information TechnologyInternetWireless

AttoTude develops interconnect technology for artificial intelligence and hyperscale data center environments.

Menlo Park, United States
June 2026
$52.0M
Series C

Founder Contacts

30,000+ verified contacts

FinTechSaaSSoftware

Cube is a spreadsheet-native platform that focuses on meeting strategic finance teams for everyday workflows.

New York, United States
June 2022
$30.0M
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Social NetworkSoftware

Sekai is an AI-powered interactive content platform that enables users to create, play, remix, and share mini-apps without coding.

Sunnyvale, United States
June 2026
$20.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)CRMEnterprise SoftwareSaaSSalesSales Enablement

Outreach is a sales engagement platform that uses AI for predictive analytics as it relates to sales.

Seattle, United States
June 2022
Secondary Market

Founder Contacts

30,000+ verified contacts

AI InfrastructureManufacturingOptical CommunicationProduct DesignTelecommunications

Lumilens creates photonics products designed for high-performance computing.

Belmont, United States
May 2025
$9.2M
Series B

Founder Contacts

30,000+ verified contacts

Showing 1-25 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, Information Technology, Internet, Enterprise Software. The firm invests across 74 different industry categories.

What is Mayfield Fund's largest investment?

Among tracked funding rounds, Lyft received $450.0M in a Post-IPO Debt 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 TRIPP, Lyft, Camtech AI, Phiar Technologies, Engramme. These companies were founded in 2020 or later.

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