Sand Hill Angels

Sand Hill Angels is an angel investor network based in Mountain View, California, founded in 2000. It comprises more than 60 Silicon Valley technology professionals who support startup formation and growth by investing in private technology companies across North America at seed and early stages, including bridge rounds. The group focuses on technology sectors such as clean technology, Internet, information sciences, semiconductors, enterprise software, storage, and communications, as well as life sciences including medical devices, diagnostics, and bioinformatics. Typical investments range from $300,000 to $500,000 with pre-money valuations under about $5 million. The network collaborates with venture capital funds and other angel organizations and actively engages with the Bay Area ecosystem to foster the growth of technology startups.

Harper Cheng

Investor

Ralph Eschenbach

Vice President

Gregory Horner MD

Investor and Board Director, Diversity Equity Inclusion

Tim Kelly

CFO

Jinpei Li

Investor

Past deals in Health Diagnostics

PulzAid

Pre Seed Round in 2023
PulzAid is a managed marketplace focused on providing healthcare services to injured workers. It facilitates access to telehealth, mobile imaging, specialists, and diagnostic services through its specialized software and established relationships with orthopedic surgeons and occupational medicine doctors. By offering on-demand video consultations, in-person nurse visits, lab testing, and prescription services, PulzAid aims to expedite the treatment process for employees, enabling them to return to work more quickly and in better health. The company's approach not only addresses workplace injuries but also seeks to reduce associated costs and liabilities for employers, particularly in managing workers' compensation claims.

Magnetic Insight

Series B in 2022
Magnetic Insight, Inc. is a company specializing in magnetic particle imaging (MPI), an innovative imaging modality that detects iron oxide nanoparticle tracers through time-varying magnetic fields. Founded in 2012 and headquartered in Alameda, California, the company offers several key products, including the MOMENTUM imager, a pre-clinical MPI solution designed to produce high-quality images using advanced magnetic field gradients and proprietary reconstruction processes. Additionally, Magnetic Insight develops VivoTrax, a nanoparticle for cell tracking and as a blood pool agent, and Hyper, an add-on module for the MOMENTUM system that facilitates targeted magnetic hyperthermia treatment. The company's technology enables real-time monitoring of biological events, making significant strides in areas such as quantitative cell tracking, imaging of vascular function, and research into regenerative medicine and CAR-T cell therapies.

Isabl

Seed Round in 2022
Isabl is a startup focused on developing advanced diagnostic assays for cancer through whole-genome and RNA sequencing. Founded in 2020 after incubating its technology at Memorial Sloan Kettering Cancer Center from 2015 to 2019, Isabl participated in the Winter 2020 batch of Y Combinator and has attracted significant funding, including a $3 million seed round and a $2 million SBIR grant from the National Cancer Institute. The company received FDA Breakthrough Device designation in 2021, recognizing the innovative nature of its cancer diagnostic tests. Isabl's platform is designed to efficiently analyze cancer patients' genomes while ensuring data reproducibility and supporting bioinformatics operations, thereby facilitating data-driven automation for oncology centers. Led by founders Dr. Elli Papaemmanuil, Dr. Andrew Kung, and Juan Medina, Isabl's team combines expertise in precision medicine, computational biology, and software engineering, focusing on biomarker discovery and clinical decision support for pediatric and rare solid cancers.

Magnetic Insight

Series B in 2021
Magnetic Insight, Inc. is a company specializing in magnetic particle imaging (MPI), an innovative imaging modality that detects iron oxide nanoparticle tracers through time-varying magnetic fields. Founded in 2012 and headquartered in Alameda, California, the company offers several key products, including the MOMENTUM imager, a pre-clinical MPI solution designed to produce high-quality images using advanced magnetic field gradients and proprietary reconstruction processes. Additionally, Magnetic Insight develops VivoTrax, a nanoparticle for cell tracking and as a blood pool agent, and Hyper, an add-on module for the MOMENTUM system that facilitates targeted magnetic hyperthermia treatment. The company's technology enables real-time monitoring of biological events, making significant strides in areas such as quantitative cell tracking, imaging of vascular function, and research into regenerative medicine and CAR-T cell therapies.

Measure Labs

Seed Round in 2021
Measure Labs is a developer of an AI-enabled platform used for mobile health sensing. This platform enables the remote acquisition of health information for use in risk stratification. The company was founded in 2022 and is headquartered in Seattle, Washington.

Biotia

Series A in 2021
Biotia, Inc. is a health technology company based in New York, founded in 2016. It specializes in developing software and laboratory technologies that leverage next-generation DNA sequencing and artificial intelligence to enhance infectious disease discovery and management. By providing tailored microbial surveillance, Biotia's innovative solutions enable clinicians and researchers to identify and mitigate pathogens effectively, thereby reducing hospital-acquired infections and improving patient outcomes. The company's technology empowers healthcare professionals to guide treatment decisions proactively, ultimately aiming to prevent illnesses before they occur.

Sonavi Labs

Seed Round in 2021
Founded in 2017 and headquartered in Baltimore, Maryland, Sonavi Labs is a medical technology company that develops innovative devices and software. It specializes in analyzing body sounds for disease diagnosis, utilizing artificial intelligence to enhance healthcare provider capabilities.

Parallel Health

Pre Seed Round in 2021
Parallel Health is a skin health company that uses genomics, the skin microbiome, and machine learning to offer end-to-end dermatology solutions. It develops a precision health platform that combines microbial genomics, big data, and AI to enable skin testing, personalized microbiome products, and custom prescriptions for consumers, patients, and clinicians, integrating derm telehealth, microbiome diagnostics, and data-driven skincare therapies to address diverse skin conditions with tailored treatments.

Genomelink

Seed Round in 2021
Genomelink operates a digital genetic analysis platform that lets individuals upload their raw DNA data to generate reports on traits, wellness, ancestry, and nutrition. The service translates genomic information into user-friendly interpretations for personal exploration and genetic self-knowledge. It emphasizes data privacy by upholding user ownership of data, implementing ISO-certified security, and offering options to delete data. The company positions itself as a consumer-focused provider of accessible, detailed genomic insights, supporting informed health and lifestyle decisions while ensuring control and transparency over personal genetic information.

Elucid

Series A in 2021
Based in Boston's biotech hub, Elucid improves cardiovascular diagnostic imaging via machine learning. Its flagship product, ElucidVivo, is the first FDA-cleared software for evaluating plaque vulnerability from a single CT scan to inform risk assessment and treatment selection.

Collective Health

Series F in 2021
Collective Health provides a cloud-based health benefits platform that unifies medical, dental, vision, pharmacy, and related programs into a single administration experience, helping employers simplify benefits, guide employees in understanding and navigating care, and manage costs and outcomes. The platform offers integrated administration of all health plans through one portal, with live concierge support and digital tools to find and manage care, and connects employees with medical, pharmacy, dental, and vision providers. Headquartered in San Francisco with offices in Chicago and Lehi, it aims to reduce the administrative burden of delivering benefits while improving member experience and overall health outcomes.

Profusa

Convertible Note in 2021
Profusa, Inc. is a digital health technology company based in Emeryville, California, specializing in the design and development of tissue-integrated sensors and biosensors aimed at improving diabetes management. Founded in 2009, the company focuses on creating biointegrated sensors that allow individuals to monitor their biochemical data in real-time, facilitating better management of personal health and chronic diseases. Profusa's technology aims to seamlessly integrate with the body, providing continuous, clinical-grade data that enhances health outcomes. In addition to its sensor technology, the company has developed software that offers biofeedback to support chronic disease management and promote healthy living.

Genomelink

Series A in 2021
Genomelink operates a digital genetic analysis platform that lets individuals upload their raw DNA data to generate reports on traits, wellness, ancestry, and nutrition. The service translates genomic information into user-friendly interpretations for personal exploration and genetic self-knowledge. It emphasizes data privacy by upholding user ownership of data, implementing ISO-certified security, and offering options to delete data. The company positions itself as a consumer-focused provider of accessible, detailed genomic insights, supporting informed health and lifestyle decisions while ensuring control and transparency over personal genetic information.

Alertive Healthcare

Seed Round in 2021
Alertive Healthcare is a digital health company focused on hypertension and chronic disease management. It partners with healthcare organizations to remotely monitor patients with high blood pressure and deliver clinical recommendations between visits. Its platform aggregates data from FDA-approved Bluetooth-enabled blood pressure devices, enabling care teams to monitor trends, interpret information, and make timely decisions. By streamlining communication among clinicians and patients, the company aims to shorten the time to blood pressure control and improve health outcomes.

Nines

Series B in 2020
Nines is a pioneering teleradiology practice that focuses on enhancing patient care through advanced technology. The company develops in-house tools that empower radiologists to provide high-quality diagnostics. Its platform is designed to analyze medical scans for urgent findings that necessitate immediate attention, as well as to identify subtle details that assist in the radiological review process. This innovative approach aims to improve the accuracy of results and overall patient care, setting Nines apart in the field of radiology.

Parsley Health

Series B in 2020
Parsley Health is a health service that integrates technology, nutrition, wellness and prevention into primary care. The company provides subscription-based, personalized healthcare that emphasizes diagnosing and addressing root causes of illness through a holistic approach. Its model combines medical consultations with health coaching, laboratory testing, digital access to records, and referrals to specialists, enabling proactive management of chronic conditions. Services include functional medicine assessments, personalized nutrition plans, stress management and lifestyle support, and access to nutraceuticals and supplements as part of care. Parsley Health operates clinics in major cities and delivers remote care through online tools and telemedicine. Founded in 2016 by Dr. Robin Berzin, the company focuses on data-driven care that supports long-term health rather than episodic treatment.

Eko Health

Series C in 2020
Eko Health is a leading digital health company advancing how healthcare professionals detect and monitor heart and lung disease with its portfolio of digital stethoscopes, patient and provider software, and AI-powered analysis. Its FDA-cleared platform is used by hundreds of thousands of healthcare professionals worldwide, allowing them to detect earlier and with higher accuracy, diagnose with more confidence, manage treatment effectively, and ultimately give their patients the best care possible. Eko Health is headquartered in Emeryville, California, with over $125 million in funding from Highland Capital Partners, Questa Capital, Artis Ventures, DigiTx Partners, NTTVC, Morningside Technology Ventures Limited, Mayo Clinic, Sutter Health, and others. For more information visit www.ekohealth.com.

Nanomed

Series A in 2020
Nanomed is a provider of graphene biosensor products used in life science research, drug discovery, and diagnostics, and health-monitoring. They provide fast and affordable tools for small molecule drug discovery. They have developed a breakthrough electrical assay based on proprietary Field Effect Biosensing (FEB) technology that detects molecular interactions. This technology employs a unique graphene biosensor to enable label-free, highly sensitive binding studies of small molecules to proteins. With a wide dynamic range, small sample requirements, and minimal signal contributions from common solvents and detergents, their technology complements existing technology and accelerates small molecule drug discovery. As the world’s leading mass-manufacturer of next-generation graphene biosensors, their mission is to transform the healthcare industry with innovative new products that accelerate cutting-edge life science and drug discovery research. It was founded in 2013 and is based in San Diego, California.

Qvin

Series A in 2020
Qvin develops a non-invasive blood analysis pad that uses menstrual blood to track menstrual problems and detect health conditions. The device provides actionable insights through a smartphone application, helping women monitor their health, proactively screen for issues, and discuss findings with clinicians.

Profusa

Convertible Note in 2020
Profusa, Inc. is a digital health technology company based in Emeryville, California, specializing in the design and development of tissue-integrated sensors and biosensors aimed at improving diabetes management. Founded in 2009, the company focuses on creating biointegrated sensors that allow individuals to monitor their biochemical data in real-time, facilitating better management of personal health and chronic diseases. Profusa's technology aims to seamlessly integrate with the body, providing continuous, clinical-grade data that enhances health outcomes. In addition to its sensor technology, the company has developed software that offers biofeedback to support chronic disease management and promote healthy living.

EYSZ

Seed Round in 2020
EYSZ is a digital health software company based in Piedmont, California, founded in 2018. It specializes in detection algorithms that utilize oculometric and facial biometric data to reliably detect seizures and assist in the diagnosis and management of brain disorders, including epilepsy, ADHD, and depression. By employing machine learning techniques, EYSZ's software not only detects seizures but also predicts their occurrence. The platform is designed to interface and integrate with various eye-tracking systems, such as smart glasses, and therapeutic devices like neuromodulation tools, thereby enhancing the ability of clinicians to monitor and manage the neurological health of their patients effectively.

Siren Care

Series B in 2020
Siren Care develops wearable health technology for diabetic foot health monitoring. The company offers Siren diabetic socks and a foot temperature monitoring system that continuously tracks foot temperature to detect early signs of inflammation and diabetic foot ulcers, helping prevent complications such as amputations. Data from the socks can be accessed via a mobile application and shared with providers, including podiatrists, to support monitoring and timely intervention. It serves patients and healthcare providers through its flagship Siren Diabetic Foot Program. Founded in 2015 and based in San Francisco, Siren Care focuses on proactive foot health management for individuals at risk of diabetic foot complications.

Ro

Convertible Note in 2020
Ro is a telehealth company founded in New York City in 2017. It operates digital health clinics for men's and women's health, smoking cessation, and offers a vertically integrated primary care platform that provides high-quality, affordable healthcare without the need for insurance.

Idbydna

Convertible Note in 2020
IDbyDNA, Inc. is a biotechnology company focused on developing metagenomics technologies for the precise identification of infectious diseases. Founded in 2014 and based in Salt Lake City, Utah, the company offers its proprietary platform, Explify, which aids laboratories in detecting pathogens through a streamlined workflow. IDbyDNA provides a range of testing services, including respiratory and research services, primarily catering to hospitals, reference labs, clinical research organizations, and the biopharmaceutical industry. By integrating computational biology and artificial intelligence into its offerings, the company enhances the accuracy of nucleic acid-based microorganism detection, enabling healthcare providers to deliver comprehensive infectious disease profiles. IDbyDNA aims to improve diagnostic and treatment practices in response to the growing challenge of infectious diseases, thereby reducing related morbidity and mortality.

Idbydna

Series B in 2020
IDbyDNA, Inc. is a biotechnology company focused on developing metagenomics technologies for the precise identification of infectious diseases. Founded in 2014 and based in Salt Lake City, Utah, the company offers its proprietary platform, Explify, which aids laboratories in detecting pathogens through a streamlined workflow. IDbyDNA provides a range of testing services, including respiratory and research services, primarily catering to hospitals, reference labs, clinical research organizations, and the biopharmaceutical industry. By integrating computational biology and artificial intelligence into its offerings, the company enhances the accuracy of nucleic acid-based microorganism detection, enabling healthcare providers to deliver comprehensive infectious disease profiles. IDbyDNA aims to improve diagnostic and treatment practices in response to the growing challenge of infectious diseases, thereby reducing related morbidity and mortality.

Alertive Healthcare

Seed Round in 2020
Alertive Healthcare is a digital health company focused on hypertension and chronic disease management. It partners with healthcare organizations to remotely monitor patients with high blood pressure and deliver clinical recommendations between visits. Its platform aggregates data from FDA-approved Bluetooth-enabled blood pressure devices, enabling care teams to monitor trends, interpret information, and make timely decisions. By streamlining communication among clinicians and patients, the company aims to shorten the time to blood pressure control and improve health outcomes.

Flux Biosciences

Venture Round in 2020
Flux Biosciences is a company that originated from Stanford University, leveraging technology initially developed for reading and writing computer hard drives to create advanced point-of-care in vitro medical diagnostics. Its portable biosensor platform allows for the measurement of various biomarkers found in blood, urine, or saliva, providing insights related to exercise, stress, fertility, and diet. The biosensors are designed to detect specific biomarkers through real-time interactions with magnetic nanoparticles, enabling the simultaneous measurement of multiple markers from a single sample. By integrating data from these measurements with sleep and activity information from wearable devices, Flux Biosciences aims to empower individuals to manage their health and lifestyle choices more effectively, making medical-grade diagnostics accessible and actionable within the home.

Sonavi Labs

Venture Round in 2020
Founded in 2017 and headquartered in Baltimore, Maryland, Sonavi Labs is a medical technology company that develops innovative devices and software. It specializes in analyzing body sounds for disease diagnosis, utilizing artificial intelligence to enhance healthcare provider capabilities.

Parsley Health

Series B in 2019
Parsley Health is a health service that integrates technology, nutrition, wellness and prevention into primary care. The company provides subscription-based, personalized healthcare that emphasizes diagnosing and addressing root causes of illness through a holistic approach. Its model combines medical consultations with health coaching, laboratory testing, digital access to records, and referrals to specialists, enabling proactive management of chronic conditions. Services include functional medicine assessments, personalized nutrition plans, stress management and lifestyle support, and access to nutraceuticals and supplements as part of care. Parsley Health operates clinics in major cities and delivers remote care through online tools and telemedicine. Founded in 2016 by Dr. Robin Berzin, the company focuses on data-driven care that supports long-term health rather than episodic treatment.

Ro

Series B in 2019
Ro is a telehealth company founded in New York City in 2017. It operates digital health clinics for men's and women's health, smoking cessation, and offers a vertically integrated primary care platform that provides high-quality, affordable healthcare without the need for insurance.

Sandstone Diagnostics

Convertible Note in 2019
Sandstone Diagnostics, Inc. is a technology and healthcare company based in Pleasanton, California, that specializes in developing medical products and research tools focused on male fertility management. Founded in 2012, the company manufactures innovative devices such as the Torq ZDrive, which separates blood cells from liquid plasma at the point of collection, and the Torq Microvolume Rotor, a tool for remote blood sampling that facilitates comprehensive diagnostic testing. Additionally, Sandstone offers the Trak fertility system, which includes an engine, a disposable test plate, a sample collection cup, and a dropper, enabling men to monitor their sperm quality and take proactive steps toward improving their fertility. The accompanying Trak mobile application allows users to track their fertility data over time, identify potential fertility issues, and enhance their chances of conception. Sandstone Diagnostics aims to empower couples to manage their reproductive health in the comfort and privacy of their homes.

Nanomed

Series A in 2019
Nanomed is a provider of graphene biosensor products used in life science research, drug discovery, and diagnostics, and health-monitoring. They provide fast and affordable tools for small molecule drug discovery. They have developed a breakthrough electrical assay based on proprietary Field Effect Biosensing (FEB) technology that detects molecular interactions. This technology employs a unique graphene biosensor to enable label-free, highly sensitive binding studies of small molecules to proteins. With a wide dynamic range, small sample requirements, and minimal signal contributions from common solvents and detergents, their technology complements existing technology and accelerates small molecule drug discovery. As the world’s leading mass-manufacturer of next-generation graphene biosensors, their mission is to transform the healthcare industry with innovative new products that accelerate cutting-edge life science and drug discovery research. It was founded in 2013 and is based in San Diego, California.

Mindshare Medical

Convertible Note in 2019
Mindshare Medical, Inc. is a company that develops clinical decision support technology aimed at enhancing the capabilities of clinicians and healthcare organizations. Established in May 2014 and based in San Juan Capistrano, California, the company focuses on evidence-based solutions that provide diagnostics and guidance regarding the effectiveness of follow-up procedures and treatments. Its proprietary technology assists radiologists and specialists in improving the detection and characterization of diseases, including assessing severity and progression. By offering personalized insights, Mindshare Medical aims to improve the quality of patient care while also reducing financial liabilities for healthcare providers.

Magnetic Insight

Series A in 2018
Magnetic Insight, Inc. is a company specializing in magnetic particle imaging (MPI), an innovative imaging modality that detects iron oxide nanoparticle tracers through time-varying magnetic fields. Founded in 2012 and headquartered in Alameda, California, the company offers several key products, including the MOMENTUM imager, a pre-clinical MPI solution designed to produce high-quality images using advanced magnetic field gradients and proprietary reconstruction processes. Additionally, Magnetic Insight develops VivoTrax, a nanoparticle for cell tracking and as a blood pool agent, and Hyper, an add-on module for the MOMENTUM system that facilitates targeted magnetic hyperthermia treatment. The company's technology enables real-time monitoring of biological events, making significant strides in areas such as quantitative cell tracking, imaging of vascular function, and research into regenerative medicine and CAR-T cell therapies.

Qvin

Seed Round in 2018
Qvin develops a non-invasive blood analysis pad that uses menstrual blood to track menstrual problems and detect health conditions. The device provides actionable insights through a smartphone application, helping women monitor their health, proactively screen for issues, and discuss findings with clinicians.

Flux Biosciences

Seed Round in 2018
Flux Biosciences is a company that originated from Stanford University, leveraging technology initially developed for reading and writing computer hard drives to create advanced point-of-care in vitro medical diagnostics. Its portable biosensor platform allows for the measurement of various biomarkers found in blood, urine, or saliva, providing insights related to exercise, stress, fertility, and diet. The biosensors are designed to detect specific biomarkers through real-time interactions with magnetic nanoparticles, enabling the simultaneous measurement of multiple markers from a single sample. By integrating data from these measurements with sleep and activity information from wearable devices, Flux Biosciences aims to empower individuals to manage their health and lifestyle choices more effectively, making medical-grade diagnostics accessible and actionable within the home.

Kenzen

Convertible Note in 2018
Kenzen, Inc. is a health technology company that specializes in developing wearable solutions for health and performance monitoring. Its flagship product, the Kenzen ECHO, is a wireless smart patch designed to provide real-time monitoring of vital signs and physiological data, with a focus on preventing injuries related to heat stress, fatigue, and over-exertion in industrial settings. The ECHO system includes a mobile application that delivers personalized health insights and alerts, ensuring that workers and their supervisors can take proactive measures to enhance safety and productivity. Incorporated in 2014 and based in New York, Kenzen sells its products through various distributors, resellers, and retail locations, aiming to harness physiological data to improve workforce safety and well-being.

Sandstone Diagnostics

Series A in 2018
Sandstone Diagnostics, Inc. is a technology and healthcare company based in Pleasanton, California, that specializes in developing medical products and research tools focused on male fertility management. Founded in 2012, the company manufactures innovative devices such as the Torq ZDrive, which separates blood cells from liquid plasma at the point of collection, and the Torq Microvolume Rotor, a tool for remote blood sampling that facilitates comprehensive diagnostic testing. Additionally, Sandstone offers the Trak fertility system, which includes an engine, a disposable test plate, a sample collection cup, and a dropper, enabling men to monitor their sperm quality and take proactive steps toward improving their fertility. The accompanying Trak mobile application allows users to track their fertility data over time, identify potential fertility issues, and enhance their chances of conception. Sandstone Diagnostics aims to empower couples to manage their reproductive health in the comfort and privacy of their homes.

ProbiusDx

Convertible Note in 2018
ProbiusDx Inc. is a manufacturer of portable diagnostic devices that utilize an electronic sensing platform to analyze multiple target proteins in real time. Founded in 2015 and headquartered in El Cerrito, California, the company focuses on providing diagnostic technology for the detection and monitoring of blood concentrations. This innovative approach allows healthcare professionals to make informed decisions regarding appropriate therapies for patients in critical care settings. ProbiusDx aims to enhance patient outcomes through its advanced diagnostic solutions.

Magnetic Insight

Convertible Note in 2017
Magnetic Insight, Inc. is a company specializing in magnetic particle imaging (MPI), an innovative imaging modality that detects iron oxide nanoparticle tracers through time-varying magnetic fields. Founded in 2012 and headquartered in Alameda, California, the company offers several key products, including the MOMENTUM imager, a pre-clinical MPI solution designed to produce high-quality images using advanced magnetic field gradients and proprietary reconstruction processes. Additionally, Magnetic Insight develops VivoTrax, a nanoparticle for cell tracking and as a blood pool agent, and Hyper, an add-on module for the MOMENTUM system that facilitates targeted magnetic hyperthermia treatment. The company's technology enables real-time monitoring of biological events, making significant strides in areas such as quantitative cell tracking, imaging of vascular function, and research into regenerative medicine and CAR-T cell therapies.

Sandstone Diagnostics

Convertible Note in 2017
Sandstone Diagnostics, Inc. is a technology and healthcare company based in Pleasanton, California, that specializes in developing medical products and research tools focused on male fertility management. Founded in 2012, the company manufactures innovative devices such as the Torq ZDrive, which separates blood cells from liquid plasma at the point of collection, and the Torq Microvolume Rotor, a tool for remote blood sampling that facilitates comprehensive diagnostic testing. Additionally, Sandstone offers the Trak fertility system, which includes an engine, a disposable test plate, a sample collection cup, and a dropper, enabling men to monitor their sperm quality and take proactive steps toward improving their fertility. The accompanying Trak mobile application allows users to track their fertility data over time, identify potential fertility issues, and enhance their chances of conception. Sandstone Diagnostics aims to empower couples to manage their reproductive health in the comfort and privacy of their homes.

PrettyLitter

Seed Round in 2016
PrettyLitter is a company that specializes in producing a lightweight, subscription-based cat litter designed to monitor feline health. Their product changes color upon detecting urinary abnormalities, allowing cat owners to take preventive measures and ensuring the well-being of their pets. PrettyLitter offers convenience and peace of mind at a cost comparable to traditional cat litter, while being 80% lighter.

Magnetic Insight

Seed Round in 2016
Magnetic Insight, Inc. is a company specializing in magnetic particle imaging (MPI), an innovative imaging modality that detects iron oxide nanoparticle tracers through time-varying magnetic fields. Founded in 2012 and headquartered in Alameda, California, the company offers several key products, including the MOMENTUM imager, a pre-clinical MPI solution designed to produce high-quality images using advanced magnetic field gradients and proprietary reconstruction processes. Additionally, Magnetic Insight develops VivoTrax, a nanoparticle for cell tracking and as a blood pool agent, and Hyper, an add-on module for the MOMENTUM system that facilitates targeted magnetic hyperthermia treatment. The company's technology enables real-time monitoring of biological events, making significant strides in areas such as quantitative cell tracking, imaging of vascular function, and research into regenerative medicine and CAR-T cell therapies.

Trak

Venture Round in 2016
Sandstone Diagnostics is a Bay Area biotech company developing instruments and consumables for point-of-care medical testing. Sandstone’s lead product, Trak, is a consumer semen analysis platform that provides a simple and accurate way to monitor sperm quality from the comfort of home. Trak is a tool for men to take charge of their fertility, boost their sperm quality, and improve their chances of conception. Sandstone was co-founded in 2012 by Ph.D. scientists developing medical technologies for national defense applications at Sandia National Laboratories.

Sandstone Diagnostics

Convertible Note in 2016
Sandstone Diagnostics, Inc. is a technology and healthcare company based in Pleasanton, California, that specializes in developing medical products and research tools focused on male fertility management. Founded in 2012, the company manufactures innovative devices such as the Torq ZDrive, which separates blood cells from liquid plasma at the point of collection, and the Torq Microvolume Rotor, a tool for remote blood sampling that facilitates comprehensive diagnostic testing. Additionally, Sandstone offers the Trak fertility system, which includes an engine, a disposable test plate, a sample collection cup, and a dropper, enabling men to monitor their sperm quality and take proactive steps toward improving their fertility. The accompanying Trak mobile application allows users to track their fertility data over time, identify potential fertility issues, and enhance their chances of conception. Sandstone Diagnostics aims to empower couples to manage their reproductive health in the comfort and privacy of their homes.

Trak

Venture Round in 2015
Sandstone Diagnostics is a Bay Area biotech company developing instruments and consumables for point-of-care medical testing. Sandstone’s lead product, Trak, is a consumer semen analysis platform that provides a simple and accurate way to monitor sperm quality from the comfort of home. Trak is a tool for men to take charge of their fertility, boost their sperm quality, and improve their chances of conception. Sandstone was co-founded in 2012 by Ph.D. scientists developing medical technologies for national defense applications at Sandia National Laboratories.

Nanomed

Series A in 2015
Nanomed is a provider of graphene biosensor products used in life science research, drug discovery, and diagnostics, and health-monitoring. They provide fast and affordable tools for small molecule drug discovery. They have developed a breakthrough electrical assay based on proprietary Field Effect Biosensing (FEB) technology that detects molecular interactions. This technology employs a unique graphene biosensor to enable label-free, highly sensitive binding studies of small molecules to proteins. With a wide dynamic range, small sample requirements, and minimal signal contributions from common solvents and detergents, their technology complements existing technology and accelerates small molecule drug discovery. As the world’s leading mass-manufacturer of next-generation graphene biosensors, their mission is to transform the healthcare industry with innovative new products that accelerate cutting-edge life science and drug discovery research. It was founded in 2013 and is based in San Diego, California.

Nanomed

Venture Round in 2015
Nanomed is a provider of graphene biosensor products used in life science research, drug discovery, and diagnostics, and health-monitoring. They provide fast and affordable tools for small molecule drug discovery. They have developed a breakthrough electrical assay based on proprietary Field Effect Biosensing (FEB) technology that detects molecular interactions. This technology employs a unique graphene biosensor to enable label-free, highly sensitive binding studies of small molecules to proteins. With a wide dynamic range, small sample requirements, and minimal signal contributions from common solvents and detergents, their technology complements existing technology and accelerates small molecule drug discovery. As the world’s leading mass-manufacturer of next-generation graphene biosensors, their mission is to transform the healthcare industry with innovative new products that accelerate cutting-edge life science and drug discovery research. It was founded in 2013 and is based in San Diego, California.

Sandstone Diagnostics

Convertible Note in 2015
Sandstone Diagnostics, Inc. is a technology and healthcare company based in Pleasanton, California, that specializes in developing medical products and research tools focused on male fertility management. Founded in 2012, the company manufactures innovative devices such as the Torq ZDrive, which separates blood cells from liquid plasma at the point of collection, and the Torq Microvolume Rotor, a tool for remote blood sampling that facilitates comprehensive diagnostic testing. Additionally, Sandstone offers the Trak fertility system, which includes an engine, a disposable test plate, a sample collection cup, and a dropper, enabling men to monitor their sperm quality and take proactive steps toward improving their fertility. The accompanying Trak mobile application allows users to track their fertility data over time, identify potential fertility issues, and enhance their chances of conception. Sandstone Diagnostics aims to empower couples to manage their reproductive health in the comfort and privacy of their homes.

Trak

Angel Round in 2014
Sandstone Diagnostics is a Bay Area biotech company developing instruments and consumables for point-of-care medical testing. Sandstone’s lead product, Trak, is a consumer semen analysis platform that provides a simple and accurate way to monitor sperm quality from the comfort of home. Trak is a tool for men to take charge of their fertility, boost their sperm quality, and improve their chances of conception. Sandstone was co-founded in 2012 by Ph.D. scientists developing medical technologies for national defense applications at Sandia National Laboratories.

Sandstone Diagnostics

Seed Round in 2014
Sandstone Diagnostics, Inc. is a technology and healthcare company based in Pleasanton, California, that specializes in developing medical products and research tools focused on male fertility management. Founded in 2012, the company manufactures innovative devices such as the Torq ZDrive, which separates blood cells from liquid plasma at the point of collection, and the Torq Microvolume Rotor, a tool for remote blood sampling that facilitates comprehensive diagnostic testing. Additionally, Sandstone offers the Trak fertility system, which includes an engine, a disposable test plate, a sample collection cup, and a dropper, enabling men to monitor their sperm quality and take proactive steps toward improving their fertility. The accompanying Trak mobile application allows users to track their fertility data over time, identify potential fertility issues, and enhance their chances of conception. Sandstone Diagnostics aims to empower couples to manage their reproductive health in the comfort and privacy of their homes.

Pathwork Diagnostics

Venture Round in 2013
Pathwork Diagnostics, located in Redwood City, California, specializes in the development of molecular diagnostics for oncology. The company is known for its Pathwork Tissue of Origin Test, which was the first microarray-based gene expression test to receive FDA clearance. This innovative test assists in the identification of challenging tumors, including poorly differentiated, undifferentiated, and metastatic cancers. Pathwork Diagnostics offers lab services for various specimen types, including formalin-fixed, paraffin-embedded, and frozen samples, leveraging genomic information to enhance tumor classification and support oncological decision-making.

Pathwork Diagnostics

Series D in 2012
Pathwork Diagnostics, located in Redwood City, California, specializes in the development of molecular diagnostics for oncology. The company is known for its Pathwork Tissue of Origin Test, which was the first microarray-based gene expression test to receive FDA clearance. This innovative test assists in the identification of challenging tumors, including poorly differentiated, undifferentiated, and metastatic cancers. Pathwork Diagnostics offers lab services for various specimen types, including formalin-fixed, paraffin-embedded, and frozen samples, leveraging genomic information to enhance tumor classification and support oncological decision-making.

ARK Diagnostics

Venture Round in 2012
ARK Diagnostics Inc. is a privately held company based in Fremont, California, specializing in the design, manufacture, and distribution of in vitro diagnostic products. The company focuses on developing proprietary assays that accurately measure drug levels in biological fluids, which assist clinicians in making informed dosing decisions for safe and personalized drug therapy. By optimizing drug levels, ARK aims to enhance patient outcomes, minimize toxicity, and reduce overall healthcare costs. The company adheres to stringent quality management standards, holding certifications in ISO 13485:2003 and the Canadian Medical Devices Conformity Assessment Scheme. ARK employs a combination of scientific expertise and industry knowledge to produce high-quality assays, utilizing its advanced homogeneous enzyme immunoassay technology that is compatible with various automated clinical chemistry analyzers. Founded in 2003, ARK Diagnostics is committed to improving therapeutic drug management and patient health.

OncoHealth

Convertible Note in 2012
OncoHealth is a company that specializes in the development of screening devices aimed at detecting and diagnosing cancer. Its innovative technology focuses on the creation of protein bio-markers specifically for the screening and diagnostics of cervical cancer and other cancers associated with the human papillomavirus (HPV). By providing advanced tools for medical professionals, OncoHealth enhances the ability to monitor, diagnose, and treat cancer, ultimately contributing to improved patient outcomes in oncology.

OncoHealth

Series A in 2011
OncoHealth is a company that specializes in the development of screening devices aimed at detecting and diagnosing cancer. Its innovative technology focuses on the creation of protein bio-markers specifically for the screening and diagnostics of cervical cancer and other cancers associated with the human papillomavirus (HPV). By providing advanced tools for medical professionals, OncoHealth enhances the ability to monitor, diagnose, and treat cancer, ultimately contributing to improved patient outcomes in oncology.

Pathwork Diagnostics

Series C in 2010
Pathwork Diagnostics, located in Redwood City, California, specializes in the development of molecular diagnostics for oncology. The company is known for its Pathwork Tissue of Origin Test, which was the first microarray-based gene expression test to receive FDA clearance. This innovative test assists in the identification of challenging tumors, including poorly differentiated, undifferentiated, and metastatic cancers. Pathwork Diagnostics offers lab services for various specimen types, including formalin-fixed, paraffin-embedded, and frozen samples, leveraging genomic information to enhance tumor classification and support oncological decision-making.

OncoHealth

Series A in 2010
OncoHealth is a company that specializes in the development of screening devices aimed at detecting and diagnosing cancer. Its innovative technology focuses on the creation of protein bio-markers specifically for the screening and diagnostics of cervical cancer and other cancers associated with the human papillomavirus (HPV). By providing advanced tools for medical professionals, OncoHealth enhances the ability to monitor, diagnose, and treat cancer, ultimately contributing to improved patient outcomes in oncology.

ARK Diagnostics

Venture Round in 2009
ARK Diagnostics Inc. is a privately held company based in Fremont, California, specializing in the design, manufacture, and distribution of in vitro diagnostic products. The company focuses on developing proprietary assays that accurately measure drug levels in biological fluids, which assist clinicians in making informed dosing decisions for safe and personalized drug therapy. By optimizing drug levels, ARK aims to enhance patient outcomes, minimize toxicity, and reduce overall healthcare costs. The company adheres to stringent quality management standards, holding certifications in ISO 13485:2003 and the Canadian Medical Devices Conformity Assessment Scheme. ARK employs a combination of scientific expertise and industry knowledge to produce high-quality assays, utilizing its advanced homogeneous enzyme immunoassay technology that is compatible with various automated clinical chemistry analyzers. Founded in 2003, ARK Diagnostics is committed to improving therapeutic drug management and patient health.

Pathwork Diagnostics

Series B in 2008
Pathwork Diagnostics, located in Redwood City, California, specializes in the development of molecular diagnostics for oncology. The company is known for its Pathwork Tissue of Origin Test, which was the first microarray-based gene expression test to receive FDA clearance. This innovative test assists in the identification of challenging tumors, including poorly differentiated, undifferentiated, and metastatic cancers. Pathwork Diagnostics offers lab services for various specimen types, including formalin-fixed, paraffin-embedded, and frozen samples, leveraging genomic information to enhance tumor classification and support oncological decision-making.

Pathwork Diagnostics

Series A in 2004
Pathwork Diagnostics, located in Redwood City, California, specializes in the development of molecular diagnostics for oncology. The company is known for its Pathwork Tissue of Origin Test, which was the first microarray-based gene expression test to receive FDA clearance. This innovative test assists in the identification of challenging tumors, including poorly differentiated, undifferentiated, and metastatic cancers. Pathwork Diagnostics offers lab services for various specimen types, including formalin-fixed, paraffin-embedded, and frozen samples, leveraging genomic information to enhance tumor classification and support oncological decision-making.
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