Matrix Partners

Matrix Partners is a venture capital firm founded in 1977 and based in San Francisco that backs early-stage and Series A technology companies across sectors such as artificial intelligence, B2B software, consumer technology, fintech, health tech, infrastructure, and semiconductors. The firm emphasizes practical, founder-centered collaboration, often supporting concepts from idea stage through Series A and taking board seats to help portfolio companies scale. It operates globally, including Matrix Partners China, which focuses on long-term relationships with entrepreneurs in China and has a track record of IPOs and strategic exits. The team combines former founders and experienced investors to bring local execution and global perspective. Notable investments span across the technology landscape, reflecting a history of involvement with companies like FedEx, Apple, Oculus, Canva, Zendesk, HubSpot, Postmates, Fivetran, Sila, and GOAT, illustrating the firm’s ability to support companies from early development to scale.

Ben Altshuler

Partner

Timothy Barrows

General Partner

Diana Kimball Berlin

Partner

Phyllis Doherty

Administrative Partner

Paul Ferri

Investor

Past deals in Series E

Flock Safety

Series E in 2022
Flock Safety is a company that specializes in security solutions through the use of automated license plate recognition (ALPR) cameras. Its primary product, the ALPR camera system, is designed for use by neighborhoods, law enforcement agencies, and businesses to capture and analyze vehicle license plates. This technology aids in both preventing and solving crimes by providing actionable data to local authorities. Flock Safety's platform emphasizes community collaboration, integrating efforts from cities, businesses, schools, and law enforcement to enhance public safety. The company's full-service, maintenance-free technology is trusted by various communities as a means to deter crime and promote a safer environment for residents. Additionally, the system proactively alerts police when stolen vehicles enter monitored areas, enabling faster response and community involvement in crime prevention.

Yunxuetang

Series E in 2021
Jiangsu Yunxuetang Network Technology Co., Ltd., founded in December 2011 and headquartered in Suzhou, China, specializes in providing comprehensive corporate education services. The company operates as a training platform designed to enhance enterprise personnel development through innovative Internet technology. Yunxuetang employs a Business-as-a-Service (BaaS) model to deliver tailored solutions for talent development, which includes software platforms, course services, course creation tools, and operational support. By promoting the concept of "a business is a university," Yunxuetang aims to transform corporate training into a structured educational process, ultimately helping businesses to succeed by maximizing the value of their human resources.

Edianyun

Series E in 2021
Edianzu is an enterprise IT and office desktop leasing start-up that provides IT, office desktop, and office equipment leasing for small and medium-sized enterprises. Its customers include Jiayuan.com International Ltd, China’s largest online dating platform, and Litsoft, an IT services company under Legend Holdings.

Klook

Series E in 2021
Klook is a global online platform facilitating the booking of travel experiences, services, and accommodations. It offers a wide array of activities such as tours, theme park tickets, cultural experiences, and adventure activities across numerous destinations worldwide. Additionally, Klook provides essential travel services like public transport passes, airport transfers, car rentals, SIM cards/eSIMs, and dining reservations to cater to various aspects of travel planning.

Biostar Technologies

Series E in 2020
Beijing Biostar Technologies, Ltd., established in 2002, is a biopharmaceutical company based in Beijing, China. It specializes in the development of anti-tumor chemotherapy biopharmaceutical molecules, with a focus on creating innovative small molecule chemical drugs for cancer treatment. The company was founded by a team of Chinese scientists led by Dr. Tang Li and Dr. Qiu Rongguo, who previously worked in the United States. Biostar Technologies pioneered the creation of new anti-cancer drugs based on epothilone in China and its technology is recognized as being at the international advanced level.

Zhenkunxing

Series E in 2020
ZKH is a digital service platform for industrial products that offers comprehensive supply chain solutions based on an E-commerce platform, digital tools, and intelligent service. Its platform offers a comprehensive selection of industrial accessories, consumables, general equipment, and spare parts. There are 28 product lines and over 4 million SKUs available, including PPE, hand tools, metal processing, fasteners, instruments, chemicals, and so on.

GeneCast Biotechnology

Series E in 2020
GeneCast Biotechnology Co., Ltd. is a Beijing-based company founded in 2014, specializing in gene research and cancer diagnostics. The company offers a technology platform for cell-free DNA next-generation sequencing (NGS) tests, which include companion diagnostics, genetic profiling, prognosis, and monitoring for various solid tumors. GeneCast provides solutions for cancer treatment and genetic testing, focusing on tumors such as lung, colorectal, liver, and breast cancers. Its non-invasive diagnostic methods leverage high-throughput sequencing and bioinformatics to enable personalized medicine, aiming to improve patient outcomes and quality of life. The company collaborates with hospitals and research institutions to advance its capabilities in detecting tumors and cancer-related genes in blood.

Salsify

Series E in 2020
Salsify is an e-commerce software startup based in Boston, Massachusetts, founded in 2012 by Jason Purcell, Jeremy Redburn, and Rob Gonzalez. The company provides a comprehensive platform known as Commerce Experience Management (CommerceXM), which integrates Product Experience Management tools—including Product Information Management (PIM), Digital Asset Management (DAM), and an Experience Builder—with essential commerce functionalities. This platform is designed to facilitate sales across various channels, including retailers, distributors, marketplaces, social commerce, and direct-to-consumer (D2C) sites. By offering these tools, Salsify aims to enhance brand visibility and performance on digital shelves, helping businesses optimize their product presentation and inventory management to drive online sales effectively.

Sila

Series E in 2019
Sila is a battery materials company founded in 2011 and headquartered in California, United States. It specializes in the production of energy-density lithium-ion batteries designed for electric vehicles, consumer electronics, and automotive original equipment manufacturers (OEMs). Sila focuses on enhancing energy storage solutions by developing supercharged battery materials that improve performance and longevity. Its products aim to facilitate the mass adoption of affordable, long-range electric vehicles while maintaining high standards of quality control, safety, and cycle life. By collaborating with battery manufacturers, Sila supports commercial cell production, driving innovation and efficiency in the battery technology sector.

Beisen

Series E in 2018
Beijing Beisen Cloud Computing Co., Ltd. specializes in developing software as a service (SaaS) solutions for integrated talent management. Founded in 2005 and based in Beijing, the company offers a comprehensive platform that includes services for talent assessment, recruitment management, performance management, succession planning, and employee development. Beisen’s Human Resource Service Platform focuses on internet recruitment, while its Business People Service Network provides information and recruitment services. The company also delivers platform as a service (PaaS) for cloud architecture development, along with system implementation and custom development services. Its iTalentX platform features cloud-native applications designed to streamline human capital management (HCM) processes, enabling organizations to effectively recruit, evaluate, and retain talent throughout the employee lifecycle.

SoYoung

Series E in 2018
SoYoung operates an online platform in China that connects users with medical aesthetic service providers, including clinics and plastic surgeons, for discovery, evaluation and online reservations. Based in Beijing, it blends professional content distributed via social media and targeted media channels with a social, user-generated community and an online reservation service. The company is also involved in research, development, production, sales and agency of laser and other optoelectronic medical beauty equipment. Revenue is earned from information services fees and reservation fees charged to providers.

Namely

Series E in 2018
Namely, Inc. operates an online human resource software platform designed for small- and mid-sized organizations. Founded in 2011 and based in New York, the company provides an all-in-one solution that integrates various HR functions, including payroll, benefits administration, time-off tracking, and talent management. Namely's cloud-based platform allows HR teams to manage employee data efficiently while ensuring compliance with regulations. The company serves a diverse range of industries, including technology, professional services, and commerce, offering personalized support to help organizations enhance their company culture and improve employee experiences.

CloudBees

Series E in 2018
CloudBees, Inc. is a software company that specializes in providing solutions for IT organizations to enhance their software delivery processes. Founded in 2010 and headquartered in Lewes, Delaware, with additional offices globally, CloudBees offers an open-source automation server and several platforms, including the CloudBees CI Jenkins Platform and CloudBees CD platform, which facilitate continuous integration and delivery. The company's offerings also include the Private SaaS Edition for private cloud environments, Jenkins in the Cloud for application lifecycle management, and CloudBees DevOptics for real-time insights into software pipelines. With a focus on compliance, security, and operational efficiency, CloudBees empowers enterprises to optimize their software development lifecycle while enabling developers to maximize their productivity within hybrid environments.

Panzura

Series E in 2017
Panzura is a provider of enterprise storage infrastructure designed for cloud-era data management. Its Global Cloud Storage System combines an on-premise controller with the Global File System and software that orchestrates the system, enabling cloud-enabled NAS-like file sharing and multi-site collaboration across locations and workloads. The platform supports cloud integration, archiving, and data protection across multi-cloud environments, with products for cloud-based long-term storage and multi-cloud file services. Panzura targets industries such as architecture, engineering and construction, oil and gas, entertainment, healthcare, manufacturing, and legal, helping organizations consolidate dispersed data, gain visibility, improve cyber resilience, and enable AI-ready access to files where and when needed. The company emphasizes a unified data engine that transforms cloud object storage into a scalable file system, with on-prem and cloud components, and provides professional services and support.

Meiyou

Series E in 2016
Xiamen Meiyou Information Technology Co., Ltd. is the developer of Meiyou, software specially designed for women during their menstrual period. Meiyou provides menstrual period prediction, female health analysis, and individualized tips. It also supports pregnancy mode and provides customized services including beauty, fitness, and good health. Meiyou's ""Her Circle"" feature provides a communication platform for women to discuss topics and help one another. Currently, the estimated number of users for Meiyou's software is 20 million.

meet you

Series E in 2016
Meet you is a female health management app that provides women's menstrual management consulting services. The app is providing mothers-to-be with rich pregnancy knowledge and intimate pregnancy reminders. Record the moment of baby growth and provide scientific advice on baby growth to mothers. At the same time, it provides girls with health, emotion, weight loss, beauty, and shopping knowledge posts, as well as a built-in real-girl communication area to accompany women during every important period.

Heptagon Advanced Micro Optics

Series E in 2012
Heptagon specializes in the manufacture of advanced micro-optics systems and optical packaging for smart devices. The company is recognized for its expertise in imaging, light, and sensor technologies, particularly through its innovative Time-of-Flight (ToF) sensors. Heptagon’s products integrate illumination, lens systems, and packaging technologies at the wafer level, which allows original equipment manufacturers (OEMs) to streamline their product development processes and reduce time-to-market. With over 20 years of experience, Heptagon has established a reputation for delivering breakthrough technologies while maintaining total supply chain control and a commitment to integrity.

Care

Series E in 2012
Care.com is dedicated to enhancing the lives of families and caregivers by facilitating reliable connections between them. The platform serves as a comprehensive marketplace, enabling families to make informed decisions regarding quality care for children, parents, pets, and other loved ones. By providing access to a wide range of caregivers, Care.com aims to be the leading destination for quality care providers, helping them find meaningful employment and career opportunities worldwide. The service has gained rapid popularity among families seeking care solutions, reflecting its commitment to fulfilling the essential human need for caregiving.

Quikr

Series E in 2012
Quikr is an Indian online marketplace facilitating buying, selling, renting, and discovering a wide range of products and services. It connects users directly, enabling transactions across various categories such as real estate, vehicles, electronics, furniture, jobs, and more. Quikr aims to empower individuals and small businesses by providing a secure and accessible platform for online trading.

Gilt Groupe

Series E in 2011
Gilt Groupe is an online retail platform based in New York City that specializes in luxury goods. It offers a wide selection of merchandise, including fashion for men, women, and children, as well as home decor and unique experiences in select cities. The company provides clothing, shoes, and accessories for men, and a diverse range of products for women, including handbags, jewelry, watches, health and beauty items, and maternity wear. For children, Gilt Groupe features clothing, toys, books, and home essentials, while its home category includes furniture, bedding, decor, and kitchen products. Founded in 2007 by Alexandra Wilkis Wilson, Alexis Maybank, and others, Gilt Groupe operates as a subsidiary of Hudson's Bay Company since February 2016, focusing on delivering an accessible and streamlined shopping experience for luxury lifestyle brands.

Carbon Design Systems

Series E in 2009
Carbon Design Systems, Inc. is a provider of virtual prototype solutions specifically designed for the development and validation of system-on-chip (SoC) designs. Founded in 2002 and based in Acton, Massachusetts, the company offers a range of products, including Carbon SoC Designer Plus, which facilitates the creation, execution, and analysis of virtual system platforms. Another key offering is Carbon Model Studio, which automates the generation and validation of hardware-accurate software models. Additionally, Carbon Performance Analysis Kits (CPAK) provide pre-built virtual reference platforms for critical performance elements such as processors and memory controllers. The company also supports performance optimization, system validation, and software execution, along with consulting, training, and integration services. Carbon Design Systems caters to systems, semiconductor, and intellectual property companies in sectors like wireless, networking, and consumer electronics, delivering essential tools for architectural analysis and pre-silicon validation.

Kalido

Series E in 2009
Kalido, develops software products for master data management, data warehouse, and business intelligence. It offers Kalido Dynamic Information Warehouse for model-driven creation and evolution of data warehouses and consolidating data from multiple sources; Kalido Master Data Management for workflow-driven master data management; Kalido Business Information Modeler, a graphical business modeling tool to capture and present the underlying business mode; and Kalido Universal Information Director, which generates the metadata needed to automatically configure chosen business intelligence tools. The company also provides solution delivery, expert advisory, installation, upgrade planning, implementation audit, project planning, and proof of value services. Kalido, Ltd. was formerly known as Highpike Limited and changed its name to Kalido, Ltd. in 2001. The company was founded in 1997 and is based in Burlington, Massachusetts. Kalido, Ltd. is a prior subsidiary of Royal Dutch Shell.

Solidcore Systems

Series E in 2008
Solidcore Systems, Inc. is a provider of change control software designed for information technology infrastructures. Founded in 2002 and headquartered in Cupertino, California, the company specializes in change audit and configuration control solutions. Its flagship product, S3 Control, is a comprehensive change control solution that enhances IT service availability and ensures regulatory compliance while reducing associated costs and efforts. Additionally, Solidcore offers S3 Control Embedded, a software solution that allows original equipment manufacturers to secure and manage devices, including those operating on the Windows platform. The company maintains a global presence with regional offices in key locations such as London, Tokyo, Delhi, Chicago, New York, Toronto, and Vancouver. As of 2009, it operates as a subsidiary of McAfee, Inc.

Virtual Iron Software

Series E in 2008
Virtual Iron Software, Inc. specializes in providing enterprise-class software solutions for server virtualization and virtual infrastructure management. Founded in 2003 and headquartered in Lowell, Massachusetts, the company offers a platform designed for server consolidation, rapid provisioning, business continuity, workload management, and policy-based automation. Its virtualization manager serves as a centralized system for controlling and automating virtual resources, while virtualization services can be deployed on bare-metal and industry-standard servers without the need for extensive software installation or management. The platform also incorporates open-source virtualization based on a community-derived hypervisor, facilitating capacity management and development and testing processes. Virtual Iron Software was previously known as Katana Technology, Inc.

Carbon Design Systems

Series E in 2008
Carbon Design Systems, Inc. is a provider of virtual prototype solutions specifically designed for the development and validation of system-on-chip (SoC) designs. Founded in 2002 and based in Acton, Massachusetts, the company offers a range of products, including Carbon SoC Designer Plus, which facilitates the creation, execution, and analysis of virtual system platforms. Another key offering is Carbon Model Studio, which automates the generation and validation of hardware-accurate software models. Additionally, Carbon Performance Analysis Kits (CPAK) provide pre-built virtual reference platforms for critical performance elements such as processors and memory controllers. The company also supports performance optimization, system validation, and software execution, along with consulting, training, and integration services. Carbon Design Systems caters to systems, semiconductor, and intellectual property companies in sectors like wireless, networking, and consumer electronics, delivering essential tools for architectural analysis and pre-silicon validation.

Intelliden

Series E in 2007
Intelliden is a provider of intelligent networking software solutions designed to help organizations manage, control, and scale their networks effectively. Founded in 2000 and headquartered in Menlo Park, California, with additional offices in Colorado, Japan, and the United Kingdom, the company specializes in automating critical network change and configuration management functions. Its innovative solutions enable organizations, particularly in the telecommunications and financial services sectors, to deliver next-generation services, ensure compliance, and perform data reconciliation. Intelliden's patented technology offers real-time insights into the network's state, facilitating accurate management in increasingly dynamic environments. The company also provides system support, technical training, and technology consulting services, catering to a diverse range of network-driven businesses.

Crossbeam Systems

Series E in 2005
Crossbeam Systems, Inc. specializes in next-generation security platforms designed for high-performance networks. The company transforms how enterprises, service providers, and government agencies architect and deliver security services. Its platforms allow for the consolidation of various security appliances and network equipment, enabling the virtualization of security applications and simplifying the delivery of security services. Crossbeam integrates hardware with third-party security applications, such as firewalls and intrusion detection systems, to enhance performance. Additionally, it offers SecureShore NMS, a network management system that facilitates multi-box configuration, OS backup and restore, reporting, and application distribution. The company's solutions include firewall, content gateway, and security virtualization services, complemented by professional training and support services. Crossbeam's diverse clientele ranges from financial institutions and pharmaceutical companies to government agencies and universities. Founded in 2000, the company is headquartered in Boxborough, Massachusetts, with additional offices in Europe and the Asia Pacific, as well as an authorized training center in Mexico City.

Sandburst

Series E in 2005
Sandburst Corporation is a fabless semiconductor company that specializes in the design and development of advanced integrated circuits. It focuses on creating innovative silicon solutions tailored for data communications and IP networking, specifically aimed at enhancing packet switching and routing systems. By leveraging its pioneering technology, Sandburst significantly lowers development costs and accelerates time-to-market for its customers. The company’s products include high-performance, wire-speed IP packet processing components, which provide a robust foundation for network systems while minimizing the need for extensive software development typically associated with general-purpose programmable devices.

Quallaby Corporation

Series E in 2003
Quallaby Corporation is a privately-held business focused on delivering innovative solutions in its industry. The company operates with a commitment to quality and excellence, striving to meet the evolving needs of its clients. By leveraging advanced technology and expertise, Quallaby aims to create value through its products and services, fostering strong relationships with customers and stakeholders alike. The organization's dedication to continuous improvement positions it as a significant player in its market.

Cereva Networks

Series E in 2001
Cereva Networks was a victim of swiftly shrinking corporate IT budgets. The company failed to meet the demand for a start-up large-scale, storage systems. Resulted in abruptly shutting down and laid off 140 employees.
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