Matrix Partners, established in 1977, is a prominent venture capital firm headquartered in San Francisco, California. The firm focuses on early-stage and early-growth investments, partnering with entrepreneurs to build significant, industry-leading companies. With a global perspective and local expertise, Matrix combines the insights of former entrepreneurs and experienced investors to guide its portfolio companies. The firm has a proven track record, having invested in over 500 companies, with 50 going public and 75 achieving profitable M&A exits. Notable investments include Baidu, Apple, and Oculus. Matrix invests across various sectors, including applied AI, B2B SaaS, digital health, and sustainable-defined hardware.
2601, Taikang Financial Tower, No.38, East 3rd Ring Road North, Chaoyang District, Beijing 100026, China
101 Main St. 17th Floor Cambridge, MA 02142
535 Mission St. Suite 2600 San Francisco, CA 94105
260 Homer Ave, Suite 201 Palo Alto, CA 94301
Ben Altshuler
Partner
Timothy Barrows
General Partner
Diana Kimball Berlin
Partner
Phyllis Doherty
Administrative Partner
Paul Ferri
Co-Founder
Wan Haoji
Partner
Kun Qian
Managing Director
Stan Reiss
General Partner
Brian Ru
Venture Partner
Bo Shao
Founding Managing Partner
Paul Sherer
Venture Partner
David Skok
General Partner
David Su
Founding Managing Partner
Ilya Sukhar
Partner
Sun Linghao
Managing Partner
Tong Ti
Vice President
Kevin Xiong
Partner
Eric YU
Director
Past deals in Semiconductor
Baya Systems
Series B in 2025
Baya Systems specializes in chipset-based semiconductor technology, focusing on high-performance, modular systems that enhance intelligent computing across diverse applications. The company has developed innovative chiplet technology, which allows semiconductor manufacturers to create efficient chips by deconstructing complex designs into smaller, modular components. This approach addresses the growing complexity of semiconductor design while reducing overall design cycles, positioning Baya Systems as a key player in the evolution of modular semiconductor solutions.
Krutrim
Debt Financing in 2023
Krutrim SI Designs is an artificial intelligence (AI) firm that aims to focus on creating silicon chips and building a cloud infrastructure. The company is dedicated to constructing the nation's inaugural 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, X-ray detectors like CT detectors and photon counting detectors, as well as other imaging solutions based on monocrystalline silicon technology. These products serve a range of industrial applications, highlighting SensView's commitment to innovation in imaging technology.
Didao Microelectronics
Series A in 2022
Shenzhen Didao Microelectronics Technology is a company specializing in the research, production, and sales of electronic special materials, primarily for the semiconductor and flat panel display industries. The firm develops and manufactures products such as semiconductor cleaning agents and various types of photoresists, which are essential for lithography processes in integrated circuits and flat panel displays. With backing from venture capital, Didao Microelectronics aims to advance the technology and application of its specialized materials, contributing to the growth and innovation in the electronic manufacturing sector.
Eaglechip
Angel Round in 2022
EagleChip is a chip design company that specializes in the development and design of Field Programmable Gate Arrays (FPGAs). It focuses on research and development, creating tailored electronic design automation (EDA) toolchains that cater to various industries. These industries include communications, data centers, industrial control, consumer electronics, smart vehicles, video processing, and medical electronics. EagleChip aims to provide high-quality FPGA chip solutions to meet the specific needs of its customers, ensuring a reliable domestic supply in the competitive semiconductor market.
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 developing advanced light-field camera systems that utilize computational imaging technology to capture multi-dimensional light information instantaneously. Their innovative system features both single-shot and rapid three-dimensional modeling capabilities, employing micro- and nano-precision with millisecond calculation and passive measurement techniques. The camera is designed with hundreds of thousands of micro sensors, meticulously arranged to address challenges in detecting defects in transparent and thin materials, such as LCD and OLED screens, as well as micro metal wires like bonding wires. With independent intellectual property rights, Vomma is positioned at the forefront of this industrial technology, catering to the needs of various sectors requiring high-precision 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 cater to the growing demand for computing power in the AI sector. By leveraging innovative technologies, Houmo.AI aims to deliver chips that offer significant performance improvements while maintaining low power consumption and affordability. This approach enables enterprises to manufacture advanced intelligent robotics and other AI-integrated electronics, ultimately striving to meet the challenges of true artificial intelligence.
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 specializes in the development of semiconductor chips tailored for computer vision, video processing, and various artificial intelligence applications. The company's innovative products are designed to enhance computing power for AI visual tasks, allowing manufacturers of computer devices to integrate advanced chip technology into their offerings. By focusing on the optimization of AI capabilities, Vastai Technologies aims to support the growing demand for efficient and powerful processing solutions in the tech industry.
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 cater to the growing demand for computing power in the AI sector. By leveraging innovative technologies, Houmo.AI aims to deliver chips that offer significant performance improvements while maintaining low power consumption and affordability. This approach enables enterprises to manufacture advanced intelligent robotics and other AI-integrated electronics, ultimately striving to meet the challenges of true artificial intelligence.
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 is a technology company specializing in the research, development, and service of advanced semiconductor intellectual property (IP) and design IP cores. The company focuses on creating IP designs for various applications, including smart cars, data centers, high-performance computing, and artificial intelligence technology. By providing process customization, integrated design automation, system verification, and product integration, AkroStar enables users to enhance operational performance and improve efficiency in their chip design and system applications.
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 specializes in the development of semiconductor chips tailored for computer vision, video processing, and various artificial intelligence applications. The company's innovative products are designed to enhance computing power for AI visual tasks, allowing manufacturers of computer devices to integrate advanced chip technology into their offerings. By focusing on the optimization of AI capabilities, Vastai Technologies aims to support the growing demand for efficient and powerful processing solutions in the tech industry.
Lightmatter
Series B in 2021
Lightmatter, Inc., established in 2017 and headquartered in Boston, Massachusetts, specializes in developing AI hardware using integrated optical technology. The company's core product is a silicon chip that processes data using light signals instead of electrical signals, aiming to significantly accelerate AI computations. Lightmatter targets sectors such as artificial intelligence, cloud computing, and telecommunications, with a focus on improving efficiency and reducing power consumption in critical operations like image recognition and natural language processing.
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 cater to the growing demand for computing power in the AI sector. By leveraging innovative technologies, Houmo.AI aims to deliver chips that offer significant performance improvements while maintaining low power consumption and affordability. This approach enables enterprises to manufacture advanced intelligent robotics and other AI-integrated electronics, ultimately striving to meet the challenges of true artificial intelligence.
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 manufacturing company that specializes in and excels in high-speed Analog, advanced DSP, and mixed-signal designs. It is pushing the boundary of Ethernet technology. With innovations in silicon architecture and design coupled with advanced process nodes, its products deliver industry-leading performance in range, resilience, and power consumption.
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
SENASIC is a company based in Shanghai, China, founded in 2015, specializing in the research, development, manufacture, and supply of advanced sensors and high-performance chips for automotive and industrial Internet of Things (IoT) applications. The company's primary focus is on automotive tire pressure monitoring sensors, including models that measure pressure, temperature, radial acceleration, and power supply voltage. SENASIC also develops a range of other sensors, such as MAN sensors and industrial-grade wireless temperature sensors. With a strong emphasis on low-power microcontroller technology, high-precision analog-to-digital converters, and reliable chip packaging and testing processes, SENASIC has established a reputation for producing high-quality products that meet automotive standards. Their tire pressure sensors have achieved AEC-Q10 certification, reflecting the company's commitment to enhancing vehicle safety and reliability through innovative sensor solutions.
Asensing
Series A in 2019
Guangzhou Asensing Electronics Co., Ltd. specializes in the development of inertial navigation and optoelectronic technology solutions. Founded in 2014 and based in Guangzhou, China, the company offers a range of products including vertical gyros, inertial measurement units, attitude heading reference systems, and GPS/INS integrated navigation systems. These products are utilized across various sectors such as aerospace, marine, and industrial applications, serving customers in the fields of aircraft, ships, robots, and somatosensory terminals. In addition to standard offerings, Asensing provides customized solutions, particularly in the areas of UAV platforms and night vision technology. The company's advanced inertial and optoelectronic products enhance dynamic attitude measurement, motion control, and positioning algorithms, contributing to safer and more precise navigation systems.
Lightmatter
Series A in 2019
Lightmatter, Inc., established in 2017 and headquartered in Boston, Massachusetts, specializes in developing AI hardware using integrated optical technology. The company's core product is a silicon chip that processes data using light signals instead of electrical signals, aiming to significantly accelerate AI computations. Lightmatter targets sectors such as artificial intelligence, cloud computing, and telecommunications, with a focus on improving efficiency and reducing power consumption in critical operations like image recognition and natural language processing.
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
Lightmatter, Inc., established in 2017 and headquartered in Boston, Massachusetts, specializes in developing AI hardware using integrated optical technology. The company's core product is a silicon chip that processes data using light signals instead of electrical signals, aiming to significantly accelerate AI computations. Lightmatter targets sectors such as artificial intelligence, cloud computing, and telecommunications, with a focus on improving efficiency and reducing power consumption in critical operations like image recognition and natural language processing.
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. specializes in developing small cell network platforms that enhance cellular coverage, capacity, and smart applications for medium to large enterprises and venues. Its flagship product, the Enterprise Radio Access Network (E-RAN) system, comprises a Services Node that can manage over 100 self-organizing small cells, enabling seamless integration of 3G, Wi-Fi, and LTE services. This system allows mobile operators to provide extensive coverage and capacity for thousands of connected devices through a single connection to their core network. SpiderCloud Wireless aims to address the growing demand for reliable mobile services in enterprise environments by simplifying deployment and network configuration. Founded in 2006 and headquartered in Milpitas, California, the company has additional offices in San Diego, New Jersey, Mexico City, and London. As of 2017, SpiderCloud operates as a subsidiary of Corning Incorporated.
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 sectors. Established in 2008 and headquartered in Marlborough, Massachusetts, the company specializes in creating both analog and digital output three-axis angular rate sensor/gyroscope and single-axis MEMS gyroscopes. Its products serve diverse applications, including consumer electronics, navigation, platform stabilization, health and fitness monitoring, automotive systems, gaming, and indoor location services. Qualtré is focused on advancing its proprietary multi-axis bulk acoustic wave (BAW) MEMS gyroscope technology, which aims to deliver high performance at a competitive cost while ensuring environmental resilience. The company's intellectual property portfolio includes numerous patents related to product architecture and manufacturing processes. With a management team experienced in MEMS and semiconductor technologies, Qualtré has built a strong engineering team skilled in various aspects of MEMS product development, positioning itself strategically in an area rich in engineering talent.
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 sectors. Established in 2008 and headquartered in Marlborough, Massachusetts, the company specializes in creating both analog and digital output three-axis angular rate sensor/gyroscope and single-axis MEMS gyroscopes. Its products serve diverse applications, including consumer electronics, navigation, platform stabilization, health and fitness monitoring, automotive systems, gaming, and indoor location services. Qualtré is focused on advancing its proprietary multi-axis bulk acoustic wave (BAW) MEMS gyroscope technology, which aims to deliver high performance at a competitive cost while ensuring environmental resilience. The company's intellectual property portfolio includes numerous patents related to product architecture and manufacturing processes. With a management team experienced in MEMS and semiconductor technologies, Qualtré has built a strong engineering team skilled in various aspects of MEMS product development, positioning itself strategically in an area rich in engineering talent.
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.
SpiderCloud Wireless
Series C in 2012
SpiderCloud Wireless, Inc. specializes in developing small cell network platforms that enhance cellular coverage, capacity, and smart applications for medium to large enterprises and venues. Its flagship product, the Enterprise Radio Access Network (E-RAN) system, comprises a Services Node that can manage over 100 self-organizing small cells, enabling seamless integration of 3G, Wi-Fi, and LTE services. This system allows mobile operators to provide extensive coverage and capacity for thousands of connected devices through a single connection to their core network. SpiderCloud Wireless aims to address the growing demand for reliable mobile services in enterprise environments by simplifying deployment and network configuration. Founded in 2006 and headquartered in Milpitas, California, the company has additional offices in San Diego, New Jersey, Mexico City, and London. As of 2017, SpiderCloud operates as a subsidiary of Corning Incorporated.
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 sectors. Established in 2008 and headquartered in Marlborough, Massachusetts, the company specializes in creating both analog and digital output three-axis angular rate sensor/gyroscope and single-axis MEMS gyroscopes. Its products serve diverse applications, including consumer electronics, navigation, platform stabilization, health and fitness monitoring, automotive systems, gaming, and indoor location services. Qualtré is focused on advancing its proprietary multi-axis bulk acoustic wave (BAW) MEMS gyroscope technology, which aims to deliver high performance at a competitive cost while ensuring environmental resilience. The company's intellectual property portfolio includes numerous patents related to product architecture and manufacturing processes. With a management team experienced in MEMS and semiconductor technologies, Qualtré has built a strong engineering team skilled in various aspects of MEMS product development, positioning itself strategically in an area rich in engineering talent.
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 sectors. Established in 2008 and headquartered in Marlborough, Massachusetts, the company specializes in creating both analog and digital output three-axis angular rate sensor/gyroscope and single-axis MEMS gyroscopes. Its products serve diverse applications, including consumer electronics, navigation, platform stabilization, health and fitness monitoring, automotive systems, gaming, and indoor location services. Qualtré is focused on advancing its proprietary multi-axis bulk acoustic wave (BAW) MEMS gyroscope technology, which aims to deliver high performance at a competitive cost while ensuring environmental resilience. The company's intellectual property portfolio includes numerous patents related to product architecture and manufacturing processes. With a management team experienced in MEMS and semiconductor technologies, Qualtré has built a strong engineering team skilled in various aspects of MEMS product development, positioning itself strategically in an area rich in engineering talent.
SpiderCloud Wireless
Series B in 2010
SpiderCloud Wireless, Inc. specializes in developing small cell network platforms that enhance cellular coverage, capacity, and smart applications for medium to large enterprises and venues. Its flagship product, the Enterprise Radio Access Network (E-RAN) system, comprises a Services Node that can manage over 100 self-organizing small cells, enabling seamless integration of 3G, Wi-Fi, and LTE services. This system allows mobile operators to provide extensive coverage and capacity for thousands of connected devices through a single connection to their core network. SpiderCloud Wireless aims to address the growing demand for reliable mobile services in enterprise environments by simplifying deployment and network configuration. Founded in 2006 and headquartered in Milpitas, California, the company has additional offices in San Diego, New Jersey, Mexico City, and London. As of 2017, SpiderCloud operates as a subsidiary of Corning Incorporated.
SpiderCloud Wireless
Series A in 2009
SpiderCloud Wireless, Inc. specializes in developing small cell network platforms that enhance cellular coverage, capacity, and smart applications for medium to large enterprises and venues. Its flagship product, the Enterprise Radio Access Network (E-RAN) system, comprises a Services Node that can manage over 100 self-organizing small cells, enabling seamless integration of 3G, Wi-Fi, and LTE services. This system allows mobile operators to provide extensive coverage and capacity for thousands of connected devices through a single connection to their core network. SpiderCloud Wireless aims to address the growing demand for reliable mobile services in enterprise environments by simplifying deployment and network configuration. Founded in 2006 and headquartered in Milpitas, California, the company has additional offices in San Diego, New Jersey, Mexico City, and London. As of 2017, SpiderCloud operates as a subsidiary of Corning Incorporated.
Carbon Design Systems
Series E in 2009
Carbon Design Systems, Inc. specializes in virtual prototype solutions for system-on-chip (SoC) designs, aiming to enhance the development, execution, and analysis of complex virtual system platforms. Their key offerings include Carbon SoC Designer Plus, which facilitates the creation and validation of virtual prototypes, and Carbon Model Studio, designed for the automatic generation and execution of hardware-accurate software models. The company also provides Carbon Performance Analysis Kits (CPAK), pre-built virtual reference platforms essential for optimizing performance elements like processors and memory controllers. Additionally, Carbon Design Systems supports system validation, software execution, and traffic analysis, while offering consulting, training, and integration services. Their solutions cater to systems, semiconductor, and intellectual property companies in sectors such as wireless communication, networking, and consumer electronics. Founded in 2002 and based in Acton, Massachusetts, Carbon Design Systems operates as a subsidiary of ARM Holdings plc.
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 sectors. Established in 2008 and headquartered in Marlborough, Massachusetts, the company specializes in creating both analog and digital output three-axis angular rate sensor/gyroscope and single-axis MEMS gyroscopes. Its products serve diverse applications, including consumer electronics, navigation, platform stabilization, health and fitness monitoring, automotive systems, gaming, and indoor location services. Qualtré is focused on advancing its proprietary multi-axis bulk acoustic wave (BAW) MEMS gyroscope technology, which aims to deliver high performance at a competitive cost while ensuring environmental resilience. The company's intellectual property portfolio includes numerous patents related to product architecture and manufacturing processes. With a management team experienced in MEMS and semiconductor technologies, Qualtré has built a strong engineering team skilled in various aspects of MEMS product development, positioning itself strategically in an area rich in engineering talent.
Carbon Design Systems
Series E in 2008
Carbon Design Systems, Inc. specializes in virtual prototype solutions for system-on-chip (SoC) designs, aiming to enhance the development, execution, and analysis of complex virtual system platforms. Their key offerings include Carbon SoC Designer Plus, which facilitates the creation and validation of virtual prototypes, and Carbon Model Studio, designed for the automatic generation and execution of hardware-accurate software models. The company also provides Carbon Performance Analysis Kits (CPAK), pre-built virtual reference platforms essential for optimizing performance elements like processors and memory controllers. Additionally, Carbon Design Systems supports system validation, software execution, and traffic analysis, while offering consulting, training, and integration services. Their solutions cater to systems, semiconductor, and intellectual property companies in sectors such as wireless communication, networking, and consumer electronics. Founded in 2002 and based in Acton, Massachusetts, Carbon Design Systems operates as a subsidiary of ARM Holdings plc.
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. specializes in virtual prototype solutions for system-on-chip (SoC) designs, aiming to enhance the development, execution, and analysis of complex virtual system platforms. Their key offerings include Carbon SoC Designer Plus, which facilitates the creation and validation of virtual prototypes, and Carbon Model Studio, designed for the automatic generation and execution of hardware-accurate software models. The company also provides Carbon Performance Analysis Kits (CPAK), pre-built virtual reference platforms essential for optimizing performance elements like processors and memory controllers. Additionally, Carbon Design Systems supports system validation, software execution, and traffic analysis, while offering consulting, training, and integration services. Their solutions cater to systems, semiconductor, and intellectual property companies in sectors such as wireless communication, networking, and consumer electronics. Founded in 2002 and based in Acton, Massachusetts, Carbon Design Systems operates as a subsidiary of ARM Holdings plc.
Ambarella
Series C in 2006
Ambarella, Inc. is a developer of semiconductor processing solutions focused on high-definition video capture, analysis, sharing, and display. The company specializes in system-on-a-chip designs that integrate HD video processing, image processing, computer vision, and audio processing functionalities, all aimed at delivering high-quality video and low power consumption. Ambarella's products are utilized in a variety of applications, including wearable cameras, automotive cameras, drones, virtual reality cameras, and Internet Protocol security cameras for both professional and home use. The company markets its solutions primarily to original design manufacturers and original equipment manufacturers through direct sales and distributors. Founded in 2004 and headquartered in Santa Clara, California, Ambarella has a significant revenue presence in Taiwan and serves various markets across Asia Pacific, Europe, and North America.
ColdWatt
Series B in 2006
ColdWatt, Inc. specializes in the design, development, and manufacture of power converters tailored for computing, telecommunications, and networking applications. The company provides its products to original equipment manufacturers (OEMs), IT managers, and systems designers. Headquartered in Austin, Texas, ColdWatt also maintains offices in Taiwan, San Jose, California, and Houston, Texas, along with operations in Shenzen, China, and design centers in Dallas, Texas, and Bangalore, India. Originally established as GTI Power Systems in 2004, the company rebranded in March 2005 to better reflect its focus on power conversion technologies.
Carbon Design Systems
Series C in 2005
Carbon Design Systems, Inc. specializes in virtual prototype solutions for system-on-chip (SoC) designs, aiming to enhance the development, execution, and analysis of complex virtual system platforms. Their key offerings include Carbon SoC Designer Plus, which facilitates the creation and validation of virtual prototypes, and Carbon Model Studio, designed for the automatic generation and execution of hardware-accurate software models. The company also provides Carbon Performance Analysis Kits (CPAK), pre-built virtual reference platforms essential for optimizing performance elements like processors and memory controllers. Additionally, Carbon Design Systems supports system validation, software execution, and traffic analysis, while offering consulting, training, and integration services. Their solutions cater to systems, semiconductor, and intellectual property companies in sectors such as wireless communication, networking, and consumer electronics. Founded in 2002 and based in Acton, Massachusetts, Carbon Design Systems operates as a subsidiary of ARM Holdings plc.
Grandis
Venture Round in 2005
Grandis is a pioneer in the development and licensing of innovative non-volatile memory solutions based on advanced research in spintronics. The company specializes in spin transfer torque random access memory products, which are designed to store, manipulate, and transmit information for the semiconductor industry. Grandis licenses these products to technology companies engaged in the design, development, and manufacturing of consumer electronics, personal computers, as well as equipment used in automotive, medical, military, and space applications. The company's mission is to facilitate the creation of revolutionary products through the application of the electron's spin.
ColdWatt
Series A in 2005
ColdWatt, Inc. specializes in the design, development, and manufacture of power converters tailored for computing, telecommunications, and networking applications. The company provides its products to original equipment manufacturers (OEMs), IT managers, and systems designers. Headquartered in Austin, Texas, ColdWatt also maintains offices in Taiwan, San Jose, California, and Houston, Texas, along with operations in Shenzen, China, and design centers in Dallas, Texas, and Bangalore, India. Originally established as GTI Power Systems in 2004, the company rebranded in March 2005 to better reflect its focus on power conversion technologies.
Sandburst
Series E in 2005
Sandburst Corporation is a fabless semiconductor company specializing in innovative technologies for designing complex integrated circuits. The company focuses on developing very-large-scale integration (VLSI) solutions tailored for data communications and IP networking. Sandburst's products include wire-speed IP packet processing components, which offer a robust foundation for high-performance systems while significantly reducing development costs and accelerating time-to-market for its customers. By providing scalable semiconductor solutions for packet switching and routing systems, Sandburst caters to the evolving needs of the communications and data networking markets.
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, Inc. is a developer of semiconductor processing solutions focused on high-definition video capture, analysis, sharing, and display. The company specializes in system-on-a-chip designs that integrate HD video processing, image processing, computer vision, and audio processing functionalities, all aimed at delivering high-quality video and low power consumption. Ambarella's products are utilized in a variety of applications, including wearable cameras, automotive cameras, drones, virtual reality cameras, and Internet Protocol security cameras for both professional and home use. The company markets its solutions primarily to original design manufacturers and original equipment manufacturers through direct sales and distributors. Founded in 2004 and headquartered in Santa Clara, California, Ambarella has a significant revenue presence in Taiwan and serves various markets across Asia Pacific, Europe, and North America.
Carbon Design Systems
Series B in 2004
Carbon Design Systems, Inc. specializes in virtual prototype solutions for system-on-chip (SoC) designs, aiming to enhance the development, execution, and analysis of complex virtual system platforms. Their key offerings include Carbon SoC Designer Plus, which facilitates the creation and validation of virtual prototypes, and Carbon Model Studio, designed for the automatic generation and execution of hardware-accurate software models. The company also provides Carbon Performance Analysis Kits (CPAK), pre-built virtual reference platforms essential for optimizing performance elements like processors and memory controllers. Additionally, Carbon Design Systems supports system validation, software execution, and traffic analysis, while offering consulting, training, and integration services. Their solutions cater to systems, semiconductor, and intellectual property companies in sectors such as wireless communication, networking, and consumer electronics. Founded in 2002 and based in Acton, Massachusetts, Carbon Design Systems operates as a subsidiary of ARM Holdings plc.
Sandburst
Series C in 2004
Sandburst Corporation is a fabless semiconductor company specializing in innovative technologies for designing complex integrated circuits. The company focuses on developing very-large-scale integration (VLSI) solutions tailored for data communications and IP networking. Sandburst's products include wire-speed IP packet processing components, which offer a robust foundation for high-performance systems while significantly reducing development costs and accelerating time-to-market for its customers. By providing scalable semiconductor solutions for packet switching and routing systems, Sandburst caters to the evolving needs of the communications and data networking markets.
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 specializing in innovative technologies for designing complex integrated circuits. The company focuses on developing very-large-scale integration (VLSI) solutions tailored for data communications and IP networking. Sandburst's products include wire-speed IP packet processing components, which offer a robust foundation for high-performance systems while significantly reducing development costs and accelerating time-to-market for its customers. By providing scalable semiconductor solutions for packet switching and routing systems, Sandburst caters to the evolving needs of the communications and data networking markets.
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 specializing in innovative technologies for designing complex integrated circuits. The company focuses on developing very-large-scale integration (VLSI) solutions tailored for data communications and IP networking. Sandburst's products include wire-speed IP packet processing components, which offer a robust foundation for high-performance systems while significantly reducing development costs and accelerating time-to-market for its customers. By providing scalable semiconductor solutions for packet switching and routing systems, Sandburst caters to the evolving needs of the communications and data networking markets.
Sandburst
Seed Round in 2000
Sandburst Corporation is a fabless semiconductor company specializing in innovative technologies for designing complex integrated circuits. The company focuses on developing very-large-scale integration (VLSI) solutions tailored for data communications and IP networking. Sandburst's products include wire-speed IP packet processing components, which offer a robust foundation for high-performance systems while significantly reducing development costs and accelerating time-to-market for its customers. By providing scalable semiconductor solutions for packet switching and routing systems, Sandburst caters to the evolving needs of the communications and data networking markets.
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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