Skip to main content

Mayfield Fund — Portfolio, Page 5

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

201
Companies
$9.3B
Total invested
$48.3M
Avg. check
55
Industries
Artificial Intelligence (AI) 14Software 9Information Technology 6Network Security 3Machine Learning 3Health Care 2+49 more
Founder contacts

Verified emails & LinkedIn for founders across this portfolio.

jane@on●●●●●●●.com
linkedin.com/in/●●●●●●
Verified contacts, updated monthly
Get instant access →

Portfolio companies

Showing 97–120 of 201
GraphWear Technologies
October 2021

Pioneering needle-free disease monitoring

Health Care · San Francisco$20.5M Series B
Versa Networks
October 2022

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

Cyber Security · Santa Clara$120.0M Private Equity
Rhoda AI
March 2026

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

Artificial Intelligence (AI) · Palo Alto$450.0M Series A
Pensieve
February 2026

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

Artificial Intelligence (AI) · San Francisco$6.9M Seed
Kana
February 2026

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

Customer Service · San Francisco$15.0M Seed
Realta Fusion
February 2026

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

Energy · Madison$9.5M Debt Financing
Gruve
February 2026

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

Artificial Intelligence (AI) · San Francisco$50.0M Series A
Upscale AI
January 2026

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

Artificial Intelligence (AI) · Santa Clara$200.0M Series A
Entelligence AI
January 2026

Entelligence AI is an AI‑powered platform that aims at catching more bugs and speeding up reviews of software engineering teams.

Artificial Intelligence (AI) · San Francisco$5.0M Seed
Opti
January 2026

Opti is an AI-powered identification protection system that uses domain-trained models to automate enterprise IAM.

Artificial Intelligence (AI) · New CityNon Equity Assistance
Alchemy
November 2025

Alchemy is a developer platform that helps companies to build reliable decentralized applications.

Blockchain · San FranciscoSeries Unknown
vijil
November 2025

Vijil is an AI software startup that helps developers build and operate intelligent agents that people can trust.

Artificial Intelligence (AI) · Menlo Park$17.0M Series A
Uare.ai
November 2025

Uare.ai is pioneering Individual AI supports creativity and mentorship, and provides context-aware decisions.

Artificial Intelligence (AI) · San Francisco$10.3M Seed
Inception
November 2025

Inception develops diffusion large language models for latency-sensitive applications.

Artificial Intelligence (AI) · Palo Alto$50.0M Seed
Exaforce
October 2025

Exaforce is a cybersecurity company that increases the efficacy and effeciency of security operations with agentic AI.

Agentic AI · San Jose$1.0M Non Equity Assistance
NeuBird
October 2025

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

Information Technology · Redwood City$1.0M Non Equity Assistance
Obot AI
September 2025

Obot AI is developing an open-source Enterprise MCP Gateway to facilitate the rapid adoption of AI

Artificial Intelligence (AI) · Cupertino$35.0M Seed
Numeral
September 2025

Numeral provides a platform that automates the sales tax process for e-commerce and SaaS businesses.

Compliance · San Francisco$35.0M Series B
Prorata.AI
September 2025

ProRata specializes in building AI-powered search and advertising solutions that prioritize content attribution for the original creators.

Advertising · Pasadena$40.0M Series B
Camtech AI
September 2025

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

Artificial Intelligence (AI) · Orlando$1.3M Seed
Lyft
September 2025

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

Apps · San Francisco$450.0M Post Ipo Debt
OpenLight
August 2025

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

Machine Learning · Goleta$34.0M Series A
Mission Bio
August 2025

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

Bioinformatics · San FranciscoSeries Unknown
Tensordyne
July 2025

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

AI Infrastructure · Sunnyvale$35.0M Series C

Where Mayfield Fund invests

Artificial Intelligence (AI)14
Software9
Information Technology6
Network Security3
Machine Learning3
Health Care2

About Mayfield Fund's portfolio

How many companies has Mayfield Fund invested in?▸

Mayfield Fund has invested in 201 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, Network Security, Machine Learning. The firm invests across 55 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 $9.3B.

What is the average investment size for Mayfield Fund?▸

Mayfield Fund's average investment size is $48.3M across its portfolio of 201 companies.

What are Mayfield Fund's most recent investments?▸

Recent Mayfield Fund portfolio additions include GraphWear Technologies, Versa Networks, Rhoda AI, Pensieve, Kana. These companies were founded in 2020 or later.

Reach the founders behind these 201 companies
Verified emails and LinkedIn profiles, updated monthly.
Get instant access →