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

Matt Brown

Partner

Phyllis Doherty

Administrative Partner

Paul Ferri

Investor

Liza Gurtin

Partner

Patrick Malatack

Partner

Hardi Meybaum

General Partner

Kojo Osei

Partner

StaN Reiss

General Partner

Antonio Rodriguez

General Partner

Paul Sherer

Venture Partner

David Su

Managing Partner

Sun Linghao

Managing Partner

Tong Ti

Vice President

Wan Haoji

Partner

Kevin Xiong

Partner

Past deals in Semiconductor

Baya Systems

Series B in 2025
Baya Systems specializes in innovative chipset-based semiconductor technology. It enhances intelligent computing across diverse applications by breaking down complex designs into smaller, modular components called chiplets.

Krutrim

Debt Financing in 2023
Krutrim is an artificial intelligence firm focused on developing silicon chips and constructing comprehensive AI computing infrastructure.

ECHINT

Series B in 2023
ECHINT is a global advanced semiconductor packaging and testing services technology company that offers customers with one-stop packaging and testing services and solutions such as packaging design, chip packaging, and testing.

SensView

Series A in 2023
SensView is a company focused on the development and production of solid-state imaging chips and detector modules. Its primary offerings include CMOS flat panel detectors and a range of X-ray detectors, such as computed tomography detectors and photon counting detectors. SensView utilizes advanced monocrystalline silicon technology to create these imaging solutions, which are designed to support various industrial applications. Through its innovative products, SensView aims to enhance imaging capabilities across multiple sectors.

Didao Microelectronics

Series A in 2022
Shenzhen Didao Microelectronics Technology is a specialized manufacturer of electronic materials, primarily serving the integrated circuit and flat panel display sectors. The company focuses on the development and production of photoresists and semiconductor cleaning agents, which are essential for lithography processes in semiconductor fabrication and flat panel display manufacturing. Didao Microelectronics integrates research, production, and sales, positioning itself as a key player in the semiconductor materials industry. The company has garnered angel investment from venture capital firms, reflecting its potential for growth and innovation in the field of electronic special materials.

Eaglechip

Angel Round in 2022
EagleChip is a chip design company specializing in the development and design of Field Programmable Gate Arrays (FPGAs). The company emphasizes research and development as well as the creation of dedicated Electronic Design Automation (EDA) toolchains. Its products are applicable across various industries, including communications, data centers, industrial control, consumer electronics, smart vehicles, video processing, and medical electronics. By providing high-quality FPGA chip solutions, EagleChip aims to meet the diverse needs of its customers while ensuring a domestic supply of advanced technology.

Xinling Semiconductor

Seed Round in 2022
Xlink Semiconductor, based in Shanghai, specializes in the design and development of automotive-grade power amplifier chips, particularly for smart cockpit audio systems in vehicles. The company has extensive experience in areas such as chip design, processing, packaging, and certification, focusing on high-end mixed-signal technology. Its Class D power amplifier chips are notable for their high efficiency, minimal heat generation, and strong sound quality interference resistance, making them ideal for new energy vehicles with diverse audio systems. Xlink Semiconductor is committed to creating premium products and providing thoughtful services that enhance automotive acoustics, contributing to a collaborative ecosystem within the new energy automotive audio industry.

MetaX

Series B in 2022
Muxi is dedicated to providing full-stack GPU chips and heterogeneous computing solutions that can be widely used in cutting-edge fields such as artificial intelligence, smart cities, data centers, cloud computing, autonomous driving, digital twins, metaverse, and so on. It builds full-stack GPU chip products, launching MXN series GPUs (Xi Si) for AI reasoning, MXC series GPUs (Xi Yun) for AI training and general computing, and MXG series GPUs (Xi Cai) for graphics rendering, Meet the computing power requirements of data centers for "high energy efficiency" and "high versatility". Mu Xi's products all use independently developed GPU IP, have instruction sets and architectures with completely independent intellectual property rights, and are outfitted with a complete software stack (MACAMACA) compatible with mainstream GPU ecosystems. In September 2020, the company was founded in Shanghai, and it has wholly-owned subsidiaries and R&D centers in Beijing, Nanjing, Chengdu, Hangzhou, Shenzhen, and Wuhan.

Vomma

Seed Round in 2022
Vomma specializes in the development of advanced light-field camera systems that leverage computational imaging technology to capture multi-dimensional light information instantaneously. The company’s innovative system employs hundreds of thousands of micro sensors meticulously arranged within a three-dimensional framework, enabling precise and efficient recording. This technology is particularly effective for addressing challenges in 3D defect detection in transparent and thin materials, such as LCD and OLED screens, as well as in micro metal wiring applications. With a focus on micro- and nano-precision, Vomma's systems provide rapid millisecond calculations and passive measurement capabilities, positioning the company at the forefront of industrial imaging solutions.

HOUMO.AI

Series A in 2022
Houmo.AI is a semiconductor company founded in 2020 by Dr. Wu Qiang, specializing in integrated circuit storage technology tailored for artificial intelligence and high-power computing applications. The company focuses on developing intelligent computing chips that deliver substantial computing power while maintaining low energy consumption, thereby enabling enterprises to create advanced AI-integrated electronics and intelligent robotics products at competitive prices. By leveraging disruptive technologies, Houmo.AI aims to address the growing demand for computing power in the realm of true artificial intelligence, striving to revolutionize the industry with its innovative solutions.

Onechip Bioelectronics

Series B in 2022
Wanzhong Yixin Biotechnology is a developer of semiconductor integrated circuit biosensor chips and other related devices. The company's biosensor chip products are used in emerging fields such as genetic testing, water quality monitoring, and environmental protection IoT monitoring.

CYGNUSEMI

Series A in 2022
Cygnus Semi is a semiconductor chip technology company that specializes in developing solutions for 5G Internet-of-Things (IoT) applications. The company focuses on creating advanced connectivity capabilities for smart devices and smart cities. Its products are designed to enhance the performance of electronic devices, allowing manufacturers to integrate high-quality chip technology into their smart products. Through its innovations, Cygnus Semi aims to support the growing demand for enhanced connectivity in various sectors.

Vastai Technologies

Series B in 2021
Vastai Technologies is a company that specializes in the development of semiconductor chips aimed at enhancing computer vision and video processing capabilities. By creating advanced AI chips, Vastai Technologies provides the necessary computing power for artificial intelligence visual applications. This enables manufacturers of computer devices to integrate cutting-edge chip technology into their products, thereby improving performance in various AI-driven tasks. The company's focus on optimizing these technologies positions it as a key player in the semiconductor industry, particularly in applications related to video and image analysis.

Xinling Semiconductor

Angel Round in 2021
Xlink Semiconductor, based in Shanghai, specializes in the design and development of automotive-grade power amplifier chips, particularly for smart cockpit audio systems in vehicles. The company has extensive experience in areas such as chip design, processing, packaging, and certification, focusing on high-end mixed-signal technology. Its Class D power amplifier chips are notable for their high efficiency, minimal heat generation, and strong sound quality interference resistance, making them ideal for new energy vehicles with diverse audio systems. Xlink Semiconductor is committed to creating premium products and providing thoughtful services that enhance automotive acoustics, contributing to a collaborative ecosystem within the new energy automotive audio industry.

HOUMO.AI

Seed Round in 2021
Houmo.AI is a semiconductor company founded in 2020 by Dr. Wu Qiang, specializing in integrated circuit storage technology tailored for artificial intelligence and high-power computing applications. The company focuses on developing intelligent computing chips that deliver substantial computing power while maintaining low energy consumption, thereby enabling enterprises to create advanced AI-integrated electronics and intelligent robotics products at competitive prices. By leveraging disruptive technologies, Houmo.AI aims to address the growing demand for computing power in the realm of true artificial intelligence, striving to revolutionize the industry with its innovative solutions.

Semidrive Technology

Series B in 2021
Nanjing Semidrive Technology Ltd., established in 2018, is a Chinese company specializing in the design and manufacture of core processor chips for automotive applications. It offers a range of products, including the X9 chip for eCockpit systems, the V9 chip for advanced driver assistance systems (ADAS) and autonomous driving, and the G9 chip for vehicle central gateway applications. Semidrive operates with a fabless manufacturing model and has research and development facilities in Nanjing and Beijing, with an additional office in Shenzhen.

AkroStar

Series A in 2021
AkroStar specializes in the research, development, and service of advanced semiconductor intellectual property (IP), empowering chip design and system applications across various industries such as data centers, smart vehicles, high-performance computing, 5G networks, IoT devices, and artificial intelligence.

X-Epic

Series A in 2021
X-Epic is a Nanjing-based startup focused on advancing China's electronic design automation (EDA) software technology. The company develops comprehensive verification solutions that support various industries, including integrated circuits, 5G, artificial intelligence, cloud services, and high-performance computing. By providing innovative systems, X-Epic aims to lower barriers to entry in the integrated circuit industry and address verification challenges associated with chip design, thereby enhancing the overall efficiency and effectiveness of electronic development in China.

Vastai Technologies

Series A in 2021
Vastai Technologies is a company that specializes in the development of semiconductor chips aimed at enhancing computer vision and video processing capabilities. By creating advanced AI chips, Vastai Technologies provides the necessary computing power for artificial intelligence visual applications. This enables manufacturers of computer devices to integrate cutting-edge chip technology into their products, thereby improving performance in various AI-driven tasks. The company's focus on optimizing these technologies positions it as a key player in the semiconductor industry, particularly in applications related to video and image analysis.

Lightmatter

Series B in 2021
Founded in 2017 and based in Boston, Lightmatter is an artificial intelligence hardware company that specializes in integrated optical technology. It designs photonic chips to enable data processing and communication through light signals, aiming to improve efficiency and scalability for AI data centers.

MetaX

Seed Round in 2021
Muxi is dedicated to providing full-stack GPU chips and heterogeneous computing solutions that can be widely used in cutting-edge fields such as artificial intelligence, smart cities, data centers, cloud computing, autonomous driving, digital twins, metaverse, and so on. It builds full-stack GPU chip products, launching MXN series GPUs (Xi Si) for AI reasoning, MXC series GPUs (Xi Yun) for AI training and general computing, and MXG series GPUs (Xi Cai) for graphics rendering, Meet the computing power requirements of data centers for "high energy efficiency" and "high versatility". Mu Xi's products all use independently developed GPU IP, have instruction sets and architectures with completely independent intellectual property rights, and are outfitted with a complete software stack (MACAMACA) compatible with mainstream GPU ecosystems. In September 2020, the company was founded in Shanghai, and it has wholly-owned subsidiaries and R&D centers in Beijing, Nanjing, Chengdu, Hangzhou, Shenzhen, and Wuhan.

HOUMO.AI

Seed Round in 2021
Houmo.AI is a semiconductor company founded in 2020 by Dr. Wu Qiang, specializing in integrated circuit storage technology tailored for artificial intelligence and high-power computing applications. The company focuses on developing intelligent computing chips that deliver substantial computing power while maintaining low energy consumption, thereby enabling enterprises to create advanced AI-integrated electronics and intelligent robotics products at competitive prices. By leveraging disruptive technologies, Houmo.AI aims to address the growing demand for computing power in the realm of true artificial intelligence, striving to revolutionize the industry with its innovative solutions.

iOranges Automation

Series B in 2021
iOranges Automation is a precision assembly and testing technology developer. The company offers standard automation products and flexible production line solutions to end customers in a variety of industries, including 3C electronics, automotive electronics, medical electronics, and the semiconductor industry, allowing clients to have a full life cycle of industrial services via data collection and data analysis.

JLSemi

Series B in 2020
JLSemi is a company focused on the development of high-speed Ethernet communication chips, specializing in gigabit Ethernet analog and system-on-chip (SoC) semiconductors. The firm excels in high-speed analog, advanced digital signal processing (DSP), and mixed-signal designs, pushing the boundaries of Ethernet technology. By leveraging innovations in silicon architecture and design along with advanced process nodes, JLSemi delivers products that offer industry-leading performance in terms of range, resilience, and power consumption. Its advanced connectivity solutions cater to various industries, positioning the company as a key player in the fast-speed communication market.

Semidrive Technology

Series A in 2020
Nanjing Semidrive Technology Ltd., established in 2018, is a Chinese company specializing in the design and manufacture of core processor chips for automotive applications. It offers a range of products, including the X9 chip for eCockpit systems, the V9 chip for advanced driver assistance systems (ADAS) and autonomous driving, and the G9 chip for vehicle central gateway applications. Semidrive operates with a fabless manufacturing model and has research and development facilities in Nanjing and Beijing, with an additional office in Shenzhen.

Semidrive Technology

Seed Round in 2019
Nanjing Semidrive Technology Ltd., established in 2018, is a Chinese company specializing in the design and manufacture of core processor chips for automotive applications. It offers a range of products, including the X9 chip for eCockpit systems, the V9 chip for advanced driver assistance systems (ADAS) and autonomous driving, and the G9 chip for vehicle central gateway applications. Semidrive operates with a fabless manufacturing model and has research and development facilities in Nanjing and Beijing, with an additional office in Shenzhen.

SENASIC

Series B in 2019
Founded in 2015, SENASIC specializes in the research, development, manufacture, and supply of high-performance chips and sensors for automotive and industrial IoT applications. Its primary products include tire pressure monitoring sensors (SNP729, SNP705, SNP739), automotive MAP sensors, and wireless temperature sensors for IoT. SENASIC's expertise lies in low-power MCU, high-precision ADC, and RF transmission technologies, ensuring the quality and reliability of its sensor products.

Lightmatter

Series A in 2019
Founded in 2017 and based in Boston, Lightmatter is an artificial intelligence hardware company that specializes in integrated optical technology. It designs photonic chips to enable data processing and communication through light signals, aiming to improve efficiency and scalability for AI data centers.

iOranges Automation

Series B in 2018
iOranges Automation is a precision assembly and testing technology developer. The company offers standard automation products and flexible production line solutions to end customers in a variety of industries, including 3C electronics, automotive electronics, medical electronics, and the semiconductor industry, allowing clients to have a full life cycle of industrial services via data collection and data analysis.

Lightmatter

Series A in 2018
Founded in 2017 and based in Boston, Lightmatter is an artificial intelligence hardware company that specializes in integrated optical technology. It designs photonic chips to enable data processing and communication through light signals, aiming to improve efficiency and scalability for AI data centers.

iOranges Automation

Series A in 2017
iOranges Automation is a precision assembly and testing technology developer. The company offers standard automation products and flexible production line solutions to end customers in a variety of industries, including 3C electronics, automotive electronics, medical electronics, and the semiconductor industry, allowing clients to have a full life cycle of industrial services via data collection and data analysis.

SpiderCloud Wireless

Venture Round in 2015
SpiderCloud Wireless, Inc. is a developer of small cell network platforms that enable mobile operators to provide enhanced cellular coverage, capacity, and cloud services to medium and large enterprises. The company's flagship product, the Enterprise Radio Access Network (E-RAN) system, comprises a Services Node that controls over 100 small cells, supporting technologies such as UMTS, LTE, and Wi-Fi. This scalable system architecture allows for rapid deployment through existing Ethernet local area networks, delivering coverage and capacity for up to 10,000 connected devices with a single connection to the mobile operator’s core network. Founded in 2006 and originally named Copivia, SpiderCloud Wireless is headquartered in Milpitas, California, with additional offices in New Jersey, Mexico City, and London. As of 2017, it operates as a subsidiary of Corning Incorporated. The company is led by a team of experienced executives from notable technology firms, reflecting a strong background in the telecommunications industry.

Qualtré

Series D in 2014
Qualtré, Inc. is a developer and manufacturer of solid-state silicon micro-electro-mechanical systems (MEMS) motion sensors, catering to various markets such as industrial, mobile, consumer, and automotive. Established in 2008 and based in Marlborough, Massachusetts, the company specializes in offering both analog and digital output three-axis angular rate sensors and single-axis MEMS gyroscopes. Qualtré is focused on advancing its proprietary multi-axis bulk acoustic wave (BAW) MEMS gyroscope technology to deliver high performance, low cost, and durability for emerging applications within the gyroscope market. The company boasts a strong intellectual property portfolio with numerous patents covering diverse product architectures and processes. Its management team has extensive experience in the MEMS and semiconductor industries, emphasizing the importance of comprehensive engineering capabilities in MEMS product development. This strategic focus has enabled Qualtré to assemble a skilled development team, benefiting from the proximity to a rich talent pool in the Boston area.

Qualtré

Series C in 2014
Qualtré, Inc. is a developer and manufacturer of solid-state silicon micro-electro-mechanical systems (MEMS) motion sensors, catering to various markets such as industrial, mobile, consumer, and automotive. Established in 2008 and based in Marlborough, Massachusetts, the company specializes in offering both analog and digital output three-axis angular rate sensors and single-axis MEMS gyroscopes. Qualtré is focused on advancing its proprietary multi-axis bulk acoustic wave (BAW) MEMS gyroscope technology to deliver high performance, low cost, and durability for emerging applications within the gyroscope market. The company boasts a strong intellectual property portfolio with numerous patents covering diverse product architectures and processes. Its management team has extensive experience in the MEMS and semiconductor industries, emphasizing the importance of comprehensive engineering capabilities in MEMS product development. This strategic focus has enabled Qualtré to assemble a skilled development team, benefiting from the proximity to a rich talent pool in the Boston area.

Heptagon Advanced Micro Optics

Series F in 2013
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.

Acacia

Series B in 2013
Acacia Communications, Inc. is a provider of high-speed coherent optical interconnect products, headquartered in Maynard, Massachusetts. Founded in 2009, the company develops, manufactures, and sells embedded and pluggable modules that facilitate optical interconnections, with transmission speeds ranging from 100 to 1,200 gigabits per second. These products are designed for use in long-haul, metro, and inter-data center markets. In addition to optical modules, Acacia offers semiconductor products, including low-power coherent digital signal processor application-specific integrated circuits and silicon photonic integrated circuits, which are integrated into their modules. The company markets its products through a direct sales force to network equipment manufacturers, network operators, and cloud service providers across the United States, China, Germany, Thailand, and other international locations.

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.

SpiderCloud Wireless

Series C in 2012
SpiderCloud Wireless, Inc. is a developer of small cell network platforms that enable mobile operators to provide enhanced cellular coverage, capacity, and cloud services to medium and large enterprises. The company's flagship product, the Enterprise Radio Access Network (E-RAN) system, comprises a Services Node that controls over 100 small cells, supporting technologies such as UMTS, LTE, and Wi-Fi. This scalable system architecture allows for rapid deployment through existing Ethernet local area networks, delivering coverage and capacity for up to 10,000 connected devices with a single connection to the mobile operator’s core network. Founded in 2006 and originally named Copivia, SpiderCloud Wireless is headquartered in Milpitas, California, with additional offices in New Jersey, Mexico City, and London. As of 2017, it operates as a subsidiary of Corning Incorporated. The company is led by a team of experienced executives from notable technology firms, reflecting a strong background in the telecommunications industry.

Qualtré

Venture Round in 2011
Qualtré, Inc. is a developer and manufacturer of solid-state silicon micro-electro-mechanical systems (MEMS) motion sensors, catering to various markets such as industrial, mobile, consumer, and automotive. Established in 2008 and based in Marlborough, Massachusetts, the company specializes in offering both analog and digital output three-axis angular rate sensors and single-axis MEMS gyroscopes. Qualtré is focused on advancing its proprietary multi-axis bulk acoustic wave (BAW) MEMS gyroscope technology to deliver high performance, low cost, and durability for emerging applications within the gyroscope market. The company boasts a strong intellectual property portfolio with numerous patents covering diverse product architectures and processes. Its management team has extensive experience in the MEMS and semiconductor industries, emphasizing the importance of comprehensive engineering capabilities in MEMS product development. This strategic focus has enabled Qualtré to assemble a skilled development team, benefiting from the proximity to a rich talent pool in the Boston area.

Qualtré

Series B in 2010
Qualtré, Inc. is a developer and manufacturer of solid-state silicon micro-electro-mechanical systems (MEMS) motion sensors, catering to various markets such as industrial, mobile, consumer, and automotive. Established in 2008 and based in Marlborough, Massachusetts, the company specializes in offering both analog and digital output three-axis angular rate sensors and single-axis MEMS gyroscopes. Qualtré is focused on advancing its proprietary multi-axis bulk acoustic wave (BAW) MEMS gyroscope technology to deliver high performance, low cost, and durability for emerging applications within the gyroscope market. The company boasts a strong intellectual property portfolio with numerous patents covering diverse product architectures and processes. Its management team has extensive experience in the MEMS and semiconductor industries, emphasizing the importance of comprehensive engineering capabilities in MEMS product development. This strategic focus has enabled Qualtré to assemble a skilled development team, benefiting from the proximity to a rich talent pool in the Boston area.

SpiderCloud Wireless

Series B in 2010
SpiderCloud Wireless, Inc. is a developer of small cell network platforms that enable mobile operators to provide enhanced cellular coverage, capacity, and cloud services to medium and large enterprises. The company's flagship product, the Enterprise Radio Access Network (E-RAN) system, comprises a Services Node that controls over 100 small cells, supporting technologies such as UMTS, LTE, and Wi-Fi. This scalable system architecture allows for rapid deployment through existing Ethernet local area networks, delivering coverage and capacity for up to 10,000 connected devices with a single connection to the mobile operator’s core network. Founded in 2006 and originally named Copivia, SpiderCloud Wireless is headquartered in Milpitas, California, with additional offices in New Jersey, Mexico City, and London. As of 2017, it operates as a subsidiary of Corning Incorporated. The company is led by a team of experienced executives from notable technology firms, reflecting a strong background in the telecommunications industry.

SpiderCloud Wireless

Series A in 2009
SpiderCloud Wireless, Inc. is a developer of small cell network platforms that enable mobile operators to provide enhanced cellular coverage, capacity, and cloud services to medium and large enterprises. The company's flagship product, the Enterprise Radio Access Network (E-RAN) system, comprises a Services Node that controls over 100 small cells, supporting technologies such as UMTS, LTE, and Wi-Fi. This scalable system architecture allows for rapid deployment through existing Ethernet local area networks, delivering coverage and capacity for up to 10,000 connected devices with a single connection to the mobile operator’s core network. Founded in 2006 and originally named Copivia, SpiderCloud Wireless is headquartered in Milpitas, California, with additional offices in New Jersey, Mexico City, and London. As of 2017, it operates as a subsidiary of Corning Incorporated. The company is led by a team of experienced executives from notable technology firms, reflecting a strong background in the telecommunications industry.

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.

Acacia

Series A in 2009
Acacia Communications, Inc. is a provider of high-speed coherent optical interconnect products, headquartered in Maynard, Massachusetts. Founded in 2009, the company develops, manufactures, and sells embedded and pluggable modules that facilitate optical interconnections, with transmission speeds ranging from 100 to 1,200 gigabits per second. These products are designed for use in long-haul, metro, and inter-data center markets. In addition to optical modules, Acacia offers semiconductor products, including low-power coherent digital signal processor application-specific integrated circuits and silicon photonic integrated circuits, which are integrated into their modules. The company markets its products through a direct sales force to network equipment manufacturers, network operators, and cloud service providers across the United States, China, Germany, Thailand, and other international locations.

Acacia

Seed Round in 2009
Acacia Communications, Inc. is a provider of high-speed coherent optical interconnect products, headquartered in Maynard, Massachusetts. Founded in 2009, the company develops, manufactures, and sells embedded and pluggable modules that facilitate optical interconnections, with transmission speeds ranging from 100 to 1,200 gigabits per second. These products are designed for use in long-haul, metro, and inter-data center markets. In addition to optical modules, Acacia offers semiconductor products, including low-power coherent digital signal processor application-specific integrated circuits and silicon photonic integrated circuits, which are integrated into their modules. The company markets its products through a direct sales force to network equipment manufacturers, network operators, and cloud service providers across the United States, China, Germany, Thailand, and other international locations.

Qualtré

Series A in 2008
Qualtré, Inc. is a developer and manufacturer of solid-state silicon micro-electro-mechanical systems (MEMS) motion sensors, catering to various markets such as industrial, mobile, consumer, and automotive. Established in 2008 and based in Marlborough, Massachusetts, the company specializes in offering both analog and digital output three-axis angular rate sensors and single-axis MEMS gyroscopes. Qualtré is focused on advancing its proprietary multi-axis bulk acoustic wave (BAW) MEMS gyroscope technology to deliver high performance, low cost, and durability for emerging applications within the gyroscope market. The company boasts a strong intellectual property portfolio with numerous patents covering diverse product architectures and processes. Its management team has extensive experience in the MEMS and semiconductor industries, emphasizing the importance of comprehensive engineering capabilities in MEMS product development. This strategic focus has enabled Qualtré to assemble a skilled development team, benefiting from the proximity to a rich talent pool in the Boston area.

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.

Xikota Devices

Series A in 2007
Star RF, Inc. engages in the development of semiconductors and is based in Waltham, Massachusetts.

Carbon Design Systems

Series D in 2007
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.

Ambarella

Series C in 2006
Ambarella develops semiconductor solutions for high-definition video processing, enabling applications such as wearable cameras, automotive cameras, drones, virtual reality cameras, and security systems. It serves original design manufacturers and original equipment manufacturers worldwide.

Carbon Design Systems

Series C in 2005
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.

Grandis

Venture Round in 2005
Grandis specializes in developing and licensing innovative non-volatile memory solutions derived from spintronics research. Its mission is to enable revolutionary products by applying the electron's spin for information storage, manipulation, and transmission.

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.

TimeLab

Venture Round in 2005
TimeLab Corp. develops and supplies integrated digital semiconductors. It provides timing processor units that generate clock signals in electronic products. TimeLab Corp. was founded in 2001 and is based in Andover, Massachusetts.

Ambarella

Series B in 2004
Ambarella develops semiconductor solutions for high-definition video processing, enabling applications such as wearable cameras, automotive cameras, drones, virtual reality cameras, and security systems. It serves original design manufacturers and original equipment manufacturers worldwide.

Carbon Design Systems

Series B in 2004
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.

Sandburst

Series C in 2004
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.

Engim

Series B in 2003
Analysts forecast that the Wireless LAN market will grow from 8 million users in 2002 to 80 million users by 2007. This explosive rate of WLAN adoption is driving the need for high capacity WLAN infrastructure within the enterprise. Additionally, as enterprise deployments continue to grow, IT Managers need WLAN infrastructure products that offer enhanced functional capabilities to reduce deployment complexity, increase network robustness and reduce operational costs. Today’s WLAN silicon is optimized for client applications and not for high capacity WLAN infrastructure applications. By allowing simultaneous communications on all WLAN channels, Engim’s Multi-Channel WLAN Switching Engine chipset enables a new generation of very high performance, cost-effective access points. These chipsets apply Wideband Spectral Processing to standards-based WLAN infrastructure products for the first time, thereby dramatically increasing bandwidth and data throughput and making a whole new range of features and functionality available to users at low cost.

Sandburst

Series B in 2001
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.

RealChip Communications

Series B in 2001
RealChip Communications is a Electronics/Chips & Semiconductors company based in Sunnyvale, California. RealChip Communications' investors include Matrix Partners and Comstellar Technologies. RealChip Communications Inc. went out of business as per its Chapter 7 liquidation filing under bankruptcy.

Sandburst

Series A in 2000
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.

Sandburst

Seed Round in 2000
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.

Xilinx

Pre Seed Round in 1984
Xilinx, Inc. is a leading designer and developer of programmable devices and associated technologies, primarily known for its invention of the field-programmable gate array (FPGA) and the adaptive compute acceleration platform (ACAP). Founded in 1984 and headquartered in San Jose, California, Xilinx produces a range of integrated circuits, including programmable logic devices (PLDs) and system on chips. The company offers comprehensive software design tools, development kits, and targeted reference designs to facilitate the creation of domain-specific applications. Its products serve various markets, including data centers, wireless and wireline communications, aerospace and defense, automotive, and consumer electronics. Xilinx also provides technical support and training services to enhance customer engagement. The company collaborates with partners to address emerging challenges, such as cybersecurity for cloud computing and data centers. Xilinx’s chips are integral to the performance and innovation of devices across numerous industries, underscoring its pivotal role in driving technological advancement.
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