Mainspring
Series F in 2025
Mainspring Energy, Inc. is a company based in Menlo Park, California, focused on developing linear generator technology that produces low-carbon, dispatchable energy. Founded in 2010 by three Stanford engineers, Mainspring aims to address the challenges of climate change while providing affordable electricity. The company engineers advanced prototypes of linear generators that convert fuel into electricity through a low-temperature reaction of air and fuel, driving magnets through copper coils. This innovative approach allows Mainspring to offer electricity at lower costs and with greater reliability, contributing to the vision of creating net-zero carbon grids in the future.
AliveCor, Inc. develops advanced mobile electrocardiogram (ECG) technology that transforms smartphones into clinical-quality heart monitoring devices. The company offers KardiaMobile, a personal ECG device for the instant detection of common heart arrhythmias, along with KardiaMobile 6L, which provides detailed 6-lead ECGs that patients can share with their healthcare providers. Additionally, AliveCor has introduced KardiaCare, a digital health subscription service that allows users to manage their heart health conveniently at home. Founded in 2010 and headquartered in Mountain View, California, AliveCor is recognized for its innovative use of machine learning techniques to enhance proactive heart care and improve stroke prevention through early atrial fibrillation detection.
Lattice is a People Success Platform that integrates essential tools, workflows, and data to assist business leaders in fostering engaged and high-performing employees while cultivating positive workplace cultures. The platform combines various functionalities, including continuous performance management, goal-setting, employee engagement, compensation management, career development, and people analytics, into a cohesive solution. This enables HR, People, and Operations teams to gain valuable insights that enhance organizational culture and drive business outcomes. Lattice serves nearly 5,000 customers globally, including notable companies such as Slack, Asana, Solera Health, and the Los Angeles Dodgers. Its effectiveness has earned Lattice recognition as one of the fastest-growing private companies and a certification as a Great Place to Work, with 99% employee satisfaction.
ThoughtSpot
Series F in 2021
ThoughtSpot, Inc. specializes in search-driven analytics for enterprises, providing a platform that enables users to analyze complex data through an intuitive natural language search interface. Founded in 2012 and headquartered in Sunnyvale, California, the company offers tools for generating instant charts, building reports, and sharing insights across various sectors, including retail, healthcare, and financial services. Its AI-native platform empowers users to uncover actionable insights quickly, facilitating data-driven decision-making. The technology connects seamlessly with diverse data sources, whether on-premise or cloud-based, allowing businesses to manage and analyze large-scale enterprise data efficiently. ThoughtSpot has established strategic partnerships and serves notable clients that leverage its capabilities to enhance operational outcomes. Additionally, the company provides a low-code solution for developers to integrate analytics directly into their products. With locations in multiple countries, ThoughtSpot is expanding its reach in North America, Europe, and Asia-Pacific.
SingleStore
Series F in 2021
SingleStore, Inc. is a provider of a relational database designed for cloud and on-premises transactions and analytics. The company offers a cloud database-as-a-service, known as SingleStore Managed Service, which enables analytics on the cloud of choice. Its flagship product, SingleStore DB, is a distributed SQL database that supports operational analytics on bare metal and hybrid cloud environments. SingleStore specializes in modernizing data platforms, securing government workloads, and facilitating IoT analytics, customer interactions, and risk management. It caters to a diverse range of industries, including financial services, media communications, energy, government, and retail. Founded in 2011 and headquartered in San Francisco, California, the company has additional offices in Seattle, Boston, Portland, Lisbon, and London. Initially known as MemSQL Inc., it rebranded to SingleStore, Inc. in October 2020.
Faire is an online wholesale marketplace that connects retailers with unique merchandise from various brands and makers, facilitating a streamlined purchasing process. The platform provides retailers with tools and insights to manage inventory effectively, employing artificial intelligence and predictive analytics to forecast product demand. Faire's offerings include net 60 payment terms and free returns, which reduce the risks associated with wholesale purchasing, enabling local retailers and independent brands to compete with larger e-commerce entities. Headquartered in San Francisco and Kitchener, Faire aims to support the future of local retail by simplifying logistics and enhancing access to diverse products.
Vectra AI
Series F in 2021
Vectra AI, Inc. specializes in artificial intelligence-based solutions designed to detect and respond to cyberattacks across cloud, data center, and enterprise environments. The company's Cognito platform enhances threat detection and investigation by utilizing AI to collect and enrich network metadata, enabling real-time identification of both known and unknown threats. Vectra AI offers three key applications within the Cognito platform: Cognito Stream, which delivers security-enriched metadata to data lakes and SIEMs; Cognito Recall, a cloud-based tool for storing and investigating enriched metadata related to threats; and Cognito Detect, which leverages AI to identify and prioritize hidden attackers swiftly. Founded in 2010 and headquartered in San Jose, California, Vectra AI also maintains research and development centers in Dublin, Austin, and Cambridge. The company aims to empower enterprises to detect advanced attacks early, thereby preventing potential breaches.
Iora Health
Series F in 2020
Iora Health, Inc. is a healthcare provider based in Boston, Massachusetts, established in 2010. The company specializes in primary care services, focusing on delivering personalized and relationship-based care to patients across the United States. Each patient is assigned a dedicated physician and a health coach, who maintain regular communication through various channels, including email, text, and video. Iora Health employs a team-based approach that includes physicians, nurse practitioners, nurses, behavioral health specialists, and health coaches, all supported by a proprietary technology platform that enhances population health management. The organization also offers educational programs, such as group visits, to help patients achieve their health goals and navigate the healthcare system without barriers.
Okta, Inc. is an identity management platform provider catering to a diverse clientele, including enterprises, small and medium-sized businesses, educational institutions, non-profits, and government agencies globally. The company's flagship product, the Okta Identity Cloud, offers a comprehensive suite of tools for managing and securing identities. Key features include Universal Directory for storing user and application profiles, Single Sign-On for simplified access to applications, Adaptive Multi-Factor Authentication for enhanced security, and Lifecycle Management for overseeing user identities throughout their lifecycle. Okta also provides API Access Management, Advanced Server Access for cloud infrastructure security, and Access Gateway for integrating on-premise applications. Through these offerings, Okta enables secure connections for employees, partners, and customers, facilitating efficient access to over 5,000 applications from various devices. Founded in 2009 and headquartered in San Francisco, Okta aims to accelerate innovation in the identity ecosystem while ensuring safe and easy technology use for its clients.
Lookout, Inc. is a cybersecurity company specializing in cloud-based technology solutions for mobile security. It offers personal security applications for both Android and iOS devices, focusing on mobile threat protection and theft prevention. Lookout's product suite also includes the Mobile Intelligence Center, which facilitates real-time access to mobile threat data, and an App Vetting API that secures enterprise and commercial app stores. The company aims to empower organizations to implement Bring Your Own Device (BYOD) policies, ensure compliance, and combat advanced mobile threats. Founded in 2005 and headquartered in San Francisco, California, Lookout has expanded its presence with offices in several global locations, including Boston, London, and Tokyo. It serves a diverse clientele, including enterprises, government agencies, and millions of consumers, by providing solutions that safeguard sensitive data across devices, applications, networks, and clouds.
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