Schooner Capital

Founded in 2018, Ottometric develops a cloud-based platform that enhances safety for autonomous vehicles. It uses AI, sensor fusion, and computer vision to analyze real-world scenarios, providing deeper insights into system effectiveness and anomalies.

SeLux Diagnostics, Inc. is a biotechnology company based in Charlestown, Massachusetts, focused on developing a next-generation phenotyping platform for antibiotic susceptibility testing and diagnostics of infectious diseases. Established in 2014, the company utilizes synthetic amplifier technology to enhance the speed and complexity of antibiotic susceptibility testing, thereby significantly improving patient care. By facilitating the rapid selection of personalized antimicrobial therapies, SeLux aims to transform the management of infectious diseases, ultimately saving lives, reducing hospital stays, and combating the growing issue of antibiotic resistance through more targeted treatments.

Jetcool Technologies Inc., established in 2019 and headquartered in Littleton, Massachusetts, specializes in the research and development of advanced chip cooling solutions. The company offers a range of cooling products, from bare die to system level, and provides customized solutions. Jetcool's innovative microjet cooling modules, developed at MIT Lincoln Laboratory, are designed to efficiently cool high-power electronics in industries such as defense and aerospace, advanced semiconductors, data centers, and electric vehicle power systems. The company's technology, published in several academic papers, uses small jets of fluid to cool components at the chip or device scale, enabling manufacturers to create more durable, energy-efficient products.

Censinet, Inc. is a cloud-based platform provider focused on managing third-party risk for healthcare organizations. Established in 2017 and headquartered in Winchester, Massachusetts, Censinet's platform facilitates real-time assessments of risks associated with vendors and third-party providers. By connecting healthcare providers with their vendors, the platform streamlines workflows, automates manual processes, and eliminates reliance on inefficient spreadsheets. Censinet delivers continuous insights into the evolving risk profiles of vendors, enabling healthcare companies to effectively address challenges in managing third-party risks while enhancing overall cybersecurity measures.

Breezeway is a software company that offers an intelligent property care and maintenance platform. The Breezeway platform helps property managers coordinate, communicate, and verify tasks and service experiences across vacation rentals, residential rentals, corporate housing, hotels, and cleaning services. It combines inspections, cleanliness readiness monitoring, and task management with automated workflows, smart messaging, and mobile-first tools to improve quality, efficiency, and turnover. The platform leverages robust property data and deep learning technology to support scheduling, asset management, safety and compliance, owner relations, and guest communications, while coordinating work with internal staff or remote service partners. Founded in 2015 and based in Boston, Breezeway aims to streamline property operations and enhance the overall service experience for tenants and guests.

Zippity LLC is an onsite service experience platform specializing in the automotive industry, offering convenient car maintenance and repair services at home or in the workplace. Founded in 2015 and based in Boston, Massachusetts, Zippity provides a digital operating system tailored for the mobile automotive sector. The company's services include quick deploy side enclosure, vehicle lifting, oil change procedures, and real-time repairs for various needs such as tires, brakes, and detailing. Customers can easily schedule appointments through an online platform, allowing mechanics to arrive at their chosen location, thus reducing the hassles associated with car ownership and enhancing the overall customer experience. Zippity aims to streamline automotive care through innovative and accessible service solutions.

SeLux Diagnostics, Inc. is a biotechnology company based in Charlestown, Massachusetts, focused on developing a next-generation phenotyping platform for antibiotic susceptibility testing and diagnostics of infectious diseases. Established in 2014, the company utilizes synthetic amplifier technology to enhance the speed and complexity of antibiotic susceptibility testing, thereby significantly improving patient care. By facilitating the rapid selection of personalized antimicrobial therapies, SeLux aims to transform the management of infectious diseases, ultimately saving lives, reducing hospital stays, and combating the growing issue of antibiotic resistance through more targeted treatments.

Founded in 2017, Commonwealth Fusion is a research company developing fusion energy through an inexhaustible power plant. It combines proven physics with revolutionary superconducting magnet technology to accelerate the path to commercial fusion energy.

Zippity LLC is an onsite service experience platform specializing in the automotive industry, offering convenient car maintenance and repair services at home or in the workplace. Founded in 2015 and based in Boston, Massachusetts, Zippity provides a digital operating system tailored for the mobile automotive sector. The company's services include quick deploy side enclosure, vehicle lifting, oil change procedures, and real-time repairs for various needs such as tires, brakes, and detailing. Customers can easily schedule appointments through an online platform, allowing mechanics to arrive at their chosen location, thus reducing the hassles associated with car ownership and enhancing the overall customer experience. Zippity aims to streamline automotive care through innovative and accessible service solutions.

Jetcool Technologies Inc., established in 2019 and headquartered in Littleton, Massachusetts, specializes in the research and development of advanced chip cooling solutions. The company offers a range of cooling products, from bare die to system level, and provides customized solutions. Jetcool's innovative microjet cooling modules, developed at MIT Lincoln Laboratory, are designed to efficiently cool high-power electronics in industries such as defense and aerospace, advanced semiconductors, data centers, and electric vehicle power systems. The company's technology, published in several academic papers, uses small jets of fluid to cool components at the chip or device scale, enabling manufacturers to create more durable, energy-efficient products.

Zippity LLC is an onsite service experience platform specializing in the automotive industry, offering convenient car maintenance and repair services at home or in the workplace. Founded in 2015 and based in Boston, Massachusetts, Zippity provides a digital operating system tailored for the mobile automotive sector. The company's services include quick deploy side enclosure, vehicle lifting, oil change procedures, and real-time repairs for various needs such as tires, brakes, and detailing. Customers can easily schedule appointments through an online platform, allowing mechanics to arrive at their chosen location, thus reducing the hassles associated with car ownership and enhancing the overall customer experience. Zippity aims to streamline automotive care through innovative and accessible service solutions.

Breezeway is a software company that offers an intelligent property care and maintenance platform. The Breezeway platform helps property managers coordinate, communicate, and verify tasks and service experiences across vacation rentals, residential rentals, corporate housing, hotels, and cleaning services. It combines inspections, cleanliness readiness monitoring, and task management with automated workflows, smart messaging, and mobile-first tools to improve quality, efficiency, and turnover. The platform leverages robust property data and deep learning technology to support scheduling, asset management, safety and compliance, owner relations, and guest communications, while coordinating work with internal staff or remote service partners. Founded in 2015 and based in Boston, Breezeway aims to streamline property operations and enhance the overall service experience for tenants and guests.

Founded in 2017, Commonwealth Fusion is a research company developing fusion energy through an inexhaustible power plant. It combines proven physics with revolutionary superconducting magnet technology to accelerate the path to commercial fusion energy.

Zippity LLC is an onsite service experience platform specializing in the automotive industry, offering convenient car maintenance and repair services at home or in the workplace. Founded in 2015 and based in Boston, Massachusetts, Zippity provides a digital operating system tailored for the mobile automotive sector. The company's services include quick deploy side enclosure, vehicle lifting, oil change procedures, and real-time repairs for various needs such as tires, brakes, and detailing. Customers can easily schedule appointments through an online platform, allowing mechanics to arrive at their chosen location, thus reducing the hassles associated with car ownership and enhancing the overall customer experience. Zippity aims to streamline automotive care through innovative and accessible service solutions.

Founded in 2017, Commonwealth Fusion is a research company developing fusion energy through an inexhaustible power plant. It combines proven physics with revolutionary superconducting magnet technology to accelerate the path to commercial fusion energy.

Censinet, Inc. is a cloud-based platform provider focused on managing third-party risk for healthcare organizations. Established in 2017 and headquartered in Winchester, Massachusetts, Censinet's platform facilitates real-time assessments of risks associated with vendors and third-party providers. By connecting healthcare providers with their vendors, the platform streamlines workflows, automates manual processes, and eliminates reliance on inefficient spreadsheets. Censinet delivers continuous insights into the evolving risk profiles of vendors, enabling healthcare companies to effectively address challenges in managing third-party risks while enhancing overall cybersecurity measures.

SeLux Diagnostics, Inc. is a biotechnology company based in Charlestown, Massachusetts, focused on developing a next-generation phenotyping platform for antibiotic susceptibility testing and diagnostics of infectious diseases. Established in 2014, the company utilizes synthetic amplifier technology to enhance the speed and complexity of antibiotic susceptibility testing, thereby significantly improving patient care. By facilitating the rapid selection of personalized antimicrobial therapies, SeLux aims to transform the management of infectious diseases, ultimately saving lives, reducing hospital stays, and combating the growing issue of antibiotic resistance through more targeted treatments.

SRS Medical Systems, Inc. is a medical device company specializing in solutions for patients with male lower urinary tract symptoms. Founded in 1991 and headquartered in North Billerica, Massachusetts, the company develops a range of proprietary devices aimed at diagnosing and treating voiding disorders. Its notable products include the UroCuff Test, which assesses bladder function during urination; The Spanner Stent, a temporary urethral stent that aids urine flow; and The VP Test, designed for evaluating bladder function in catheterized patients. Additionally, SRS Medical offers essential diagnostic tools such as the EasyPro 4, a 12-channel urodynamics system, and EasyFlo, a stand-alone uroflow system. With facilities in both Redmond, Washington, and Billerica, Massachusetts, SRS Medical is committed to improving patient awareness and treatment of urinary conditions.

SRS Medical Systems, Inc. is a medical device company specializing in solutions for patients with male lower urinary tract symptoms. Founded in 1991 and headquartered in North Billerica, Massachusetts, the company develops a range of proprietary devices aimed at diagnosing and treating voiding disorders. Its notable products include the UroCuff Test, which assesses bladder function during urination; The Spanner Stent, a temporary urethral stent that aids urine flow; and The VP Test, designed for evaluating bladder function in catheterized patients. Additionally, SRS Medical offers essential diagnostic tools such as the EasyPro 4, a 12-channel urodynamics system, and EasyFlo, a stand-alone uroflow system. With facilities in both Redmond, Washington, and Billerica, Massachusetts, SRS Medical is committed to improving patient awareness and treatment of urinary conditions.

Censinet, Inc. is a cloud-based platform provider focused on managing third-party risk for healthcare organizations. Established in 2017 and headquartered in Winchester, Massachusetts, Censinet's platform facilitates real-time assessments of risks associated with vendors and third-party providers. By connecting healthcare providers with their vendors, the platform streamlines workflows, automates manual processes, and eliminates reliance on inefficient spreadsheets. Censinet delivers continuous insights into the evolving risk profiles of vendors, enabling healthcare companies to effectively address challenges in managing third-party risks while enhancing overall cybersecurity measures.

Founded in 2012, eXIthera Pharmaceuticals is a biotechnology company based in Westborough, Massachusetts. It specializes in developing small molecule pharmaceuticals that inhibit Factor XIa, an enzyme crucial in blood coagulation, to prevent stroke and thrombosis with minimal bleeding risks.

Millstone Medical Outsourcing, LLC specializes in providing customized outsourcing solutions for the medical device and pharmaceutical industries. Founded in 2000 and headquartered in Fall River, Massachusetts, the company offers a range of services including validation engineering, quality control inspection, sterile and non-sterile packaging, and advanced inspection. Millstone Medical also provides supply chain and logistics support, including specialized distribution, cold chain logistics, and inventory management. With facilities located in Fall River and a distribution center in Olive Branch, Massachusetts, Millstone Medical is committed to helping manufacturers manage their operations effectively while ensuring compliance and reducing risks and costs.

MediaSilo is a Boston-based video management platform designed for distributed media production teams to manage, share, and approve content securely and efficiently. The platform caters to media companies, advertising agencies, and content creators, integrating seamlessly with existing tools and workflows to enhance collaboration and protect assets. With over 550 customers and more than 100,000 monthly users, MediaSilo manages over 10 million assets, focusing on innovation and security in the media, entertainment, and enterprise video sectors. A notable recent development is the launch of SafeStream, an on-demand watermarking technology that serves as a visual deterrent against piracy. This feature allows for the creation of personalized watermarks in near real-time, ensuring that content owners maintain control over their assets while protecting dailies, rough cuts, and finished products without disrupting the viewing experience.

4G Clinical, Inc. is a provider of randomization and trial supply management services tailored for pharmaceutical companies and clinical research organizations globally. Founded in 2015 and headquartered in Wellesley, Massachusetts, the company also maintains offices in Amsterdam and Tokyo. Its flagship solution, Prancer RTSM, leverages natural language processing to enhance clinical supplies forecasting and management, thereby streamlining development timelines and improving operational efficiencies. Additionally, 4G Clinical offers a Direct-to-Patient clinical trial platform, allowing sponsors to ship medications directly to patients' homes, thereby facilitating phase 2 and phase 3 clinical trials. The company combines its advanced software solutions with global expertise and advisory services to meet the evolving needs of the life sciences industry.

Founded in 2012, eXIthera Pharmaceuticals is a biotechnology company based in Westborough, Massachusetts. It specializes in developing small molecule pharmaceuticals that inhibit Factor XIa, an enzyme crucial in blood coagulation, to prevent stroke and thrombosis with minimal bleeding risks.

Maxwell Health is a provider of a SaaS-enabled online benefits service that simplifies employee benefits and human resources for small to mid-sized employers. Established in 2012 and headquartered in Boston, Massachusetts, with an additional office in Cambridge, the company offers a comprehensive platform that includes a marketplace for various insurance products such as medical, dental, vision, life, and disability benefits. The platform also features tools to streamline HR processes, including benefits administration and payroll, along with a mobile application designed to enhance user experience. Maxwell Health aims to modernize how employees access and utilize insurance, financial, and wellness benefits, ultimately helping American families achieve better health and financial well-being. The company operates as a subsidiary of Sun Life Financial United States and collaborates with benefits advisors and insurance companies to deliver its technology.

4G Clinical, Inc. is a provider of randomization and trial supply management services tailored for pharmaceutical companies and clinical research organizations globally. Founded in 2015 and headquartered in Wellesley, Massachusetts, the company also maintains offices in Amsterdam and Tokyo. Its flagship solution, Prancer RTSM, leverages natural language processing to enhance clinical supplies forecasting and management, thereby streamlining development timelines and improving operational efficiencies. Additionally, 4G Clinical offers a Direct-to-Patient clinical trial platform, allowing sponsors to ship medications directly to patients' homes, thereby facilitating phase 2 and phase 3 clinical trials. The company combines its advanced software solutions with global expertise and advisory services to meet the evolving needs of the life sciences industry.

Zixi, LLC is a technology company that specializes in providing mobile, cloud-based, and on-premise solutions for the delivery of broadcast-quality HD video over the Internet and various networks. Founded in 2006 and headquartered in Waltham, Massachusetts, Zixi offers the Zixi Video Transport Platform, which serves a wide range of clients, including broadcasters, enterprises, and OTT video providers. The platform ensures real-time, high-quality streaming for live and on-demand video content, enhancing user experiences while significantly reducing operational costs. Zixi's services encompass various applications such as content contribution, news gathering, live sports events, virtual field trips, and educational broadcasts. Additionally, the company provides tools for managing and monitoring live broadcasts through its ZEN Management platform. With strategic alliances and a focus on transforming traditional broadcasting methods into more flexible, cost-effective operations, Zixi positions itself as a leader in the video delivery sector.

Fashion Project, Inc. is an online platform based in Boston, Massachusetts, that facilitates clothing donations and provides a shopping experience for consumers. The company allows members to donate items such as apparel, shoes, handbags, and accessories, while also offering a curated selection of clothing and accessories for purchase. The inventory includes a variety of fashion items, ranging from dresses and jackets to shoes and handbags. A distinctive feature of Fashion Project is its commitment to philanthropy, as a significant portion of proceeds from sales is donated to charitable causes. Founded in 2011 and initially known as Swapfish, Inc., the company rebranded in 2012, positioning itself as a unique blend of fashion and social impact.

Maxwell Health is a provider of a SaaS-enabled online benefits service that simplifies employee benefits and human resources for small to mid-sized employers. Established in 2012 and headquartered in Boston, Massachusetts, with an additional office in Cambridge, the company offers a comprehensive platform that includes a marketplace for various insurance products such as medical, dental, vision, life, and disability benefits. The platform also features tools to streamline HR processes, including benefits administration and payroll, along with a mobile application designed to enhance user experience. Maxwell Health aims to modernize how employees access and utilize insurance, financial, and wellness benefits, ultimately helping American families achieve better health and financial well-being. The company operates as a subsidiary of Sun Life Financial United States and collaborates with benefits advisors and insurance companies to deliver its technology.

Founded in 2012, eXIthera Pharmaceuticals is a biotechnology company based in Westborough, Massachusetts. It specializes in developing small molecule pharmaceuticals that inhibit Factor XIa, an enzyme crucial in blood coagulation, to prevent stroke and thrombosis with minimal bleeding risks.

Founded in 1988, Seventh Generation produces plant-based household products, including cleaners, soaps, and personal care items. Committed to sustainability and human health, the company formulates products using natural ingredients, with no animal testing involved. Its product range spans laundry detergents, diapers, surface cleaners, and more, packaged responsibly with recycled materials.

Fashion Project, Inc. is an online platform based in Boston, Massachusetts, that facilitates clothing donations and provides a shopping experience for consumers. The company allows members to donate items such as apparel, shoes, handbags, and accessories, while also offering a curated selection of clothing and accessories for purchase. The inventory includes a variety of fashion items, ranging from dresses and jackets to shoes and handbags. A distinctive feature of Fashion Project is its commitment to philanthropy, as a significant portion of proceeds from sales is donated to charitable causes. Founded in 2011 and initially known as Swapfish, Inc., the company rebranded in 2012, positioning itself as a unique blend of fashion and social impact.

MediaSilo is a Boston-based video management platform designed for distributed media production teams to manage, share, and approve content securely and efficiently. The platform caters to media companies, advertising agencies, and content creators, integrating seamlessly with existing tools and workflows to enhance collaboration and protect assets. With over 550 customers and more than 100,000 monthly users, MediaSilo manages over 10 million assets, focusing on innovation and security in the media, entertainment, and enterprise video sectors. A notable recent development is the launch of SafeStream, an on-demand watermarking technology that serves as a visual deterrent against piracy. This feature allows for the creation of personalized watermarks in near real-time, ensuring that content owners maintain control over their assets while protecting dailies, rough cuts, and finished products without disrupting the viewing experience.

Nanoscale Powders is a specialty materials company that develops and manufactures metal powders and compositions, including titanium metals and alloys, intermetallic powders, hafnium products, and silicon alloy powders for lithium-ion anode development. Its products target aerospace, energy, medical, nuclear, and industrial applications, and it serves aerospace, energy, and industrial markets. Based in Boston, it has manufacturing operations in Fitchburg, Massachusetts, and York, Pennsylvania. The company operates a technology platform that uses a patented metallothermic reduction process to produce low-oxygen metals from anhydrous salts and halides, enabling use in cold spray deposition and metal injection molding.

SHIFT is a provider of cloud-based media collaboration and digital asset management solutions, specializing in tools specifically designed for the media and entertainment industry. Founded in 2017 and headquartered in Boston, Massachusetts, the company offers several products that enhance the creation, sharing, and storage of media content. These include Wiredrive for organizing and presenting presentations, Mediasilo for video sharing, Safestream for video protection, and Screeners.com for secure video sharing and collaboration. SHIFT is recognized as a pioneer in developing media-specific collaboration software tailored for enterprises, brands, and agencies in the sector.

Zixi, LLC is a technology company that specializes in providing mobile, cloud-based, and on-premise solutions for the delivery of broadcast-quality HD video over the Internet and various networks. Founded in 2006 and headquartered in Waltham, Massachusetts, Zixi offers the Zixi Video Transport Platform, which serves a wide range of clients, including broadcasters, enterprises, and OTT video providers. The platform ensures real-time, high-quality streaming for live and on-demand video content, enhancing user experiences while significantly reducing operational costs. Zixi's services encompass various applications such as content contribution, news gathering, live sports events, virtual field trips, and educational broadcasts. Additionally, the company provides tools for managing and monitoring live broadcasts through its ZEN Management platform. With strategic alliances and a focus on transforming traditional broadcasting methods into more flexible, cost-effective operations, Zixi positions itself as a leader in the video delivery sector.

SRS Medical Systems, Inc. is a medical device company specializing in solutions for patients with male lower urinary tract symptoms. Founded in 1991 and headquartered in North Billerica, Massachusetts, the company develops a range of proprietary devices aimed at diagnosing and treating voiding disorders. Its notable products include the UroCuff Test, which assesses bladder function during urination; The Spanner Stent, a temporary urethral stent that aids urine flow; and The VP Test, designed for evaluating bladder function in catheterized patients. Additionally, SRS Medical offers essential diagnostic tools such as the EasyPro 4, a 12-channel urodynamics system, and EasyFlo, a stand-alone uroflow system. With facilities in both Redmond, Washington, and Billerica, Massachusetts, SRS Medical is committed to improving patient awareness and treatment of urinary conditions.

Founded in 1988, Seventh Generation produces plant-based household products, including cleaners, soaps, and personal care items. Committed to sustainability and human health, the company formulates products using natural ingredients, with no animal testing involved. Its product range spans laundry detergents, diapers, surface cleaners, and more, packaged responsibly with recycled materials.

StyleFeeder is a social shopping service designed to enhance the online shopping experience. It allows users to browse the internet and compile items such as clothing and gadgets into a personalized StyleFeed, which can be shared with friends. The platform employs a recommendation algorithm that analyzes users' selections to provide tailored shopping suggestions and improve search functionality. Additionally, StyleFeeder offers widgets that enable users to display their StyleFeed on various social networks and personal websites. The service includes social networking features, allowing users with similar tastes, referred to as StyleTwins, to connect and interact. Acquired by Time Inc. in 2010, StyleFeeder operates in a competitive landscape that includes other social shopping platforms.

StyleFeeder is a social shopping service designed to enhance the online shopping experience. It allows users to browse the internet and compile items such as clothing and gadgets into a personalized StyleFeed, which can be shared with friends. The platform employs a recommendation algorithm that analyzes users' selections to provide tailored shopping suggestions and improve search functionality. Additionally, StyleFeeder offers widgets that enable users to display their StyleFeed on various social networks and personal websites. The service includes social networking features, allowing users with similar tastes, referred to as StyleTwins, to connect and interact. Acquired by Time Inc. in 2010, StyleFeeder operates in a competitive landscape that includes other social shopping platforms.

Top10 Media provides online networking services for publishing and retail applications. Its services allow users to tap into blogs, podcasts, video, and mainstream news outlets on the Web. The company also offers a set of algorithms that automatically categorize and rank user-generated and other Web-based content. Top10 Media, Inc. was founded in 2005 and is headquartered in Cambridge, Massachusetts.

Millstone Medical Outsourcing, LLC specializes in providing customized outsourcing solutions for the medical device and pharmaceutical industries. Founded in 2000 and headquartered in Fall River, Massachusetts, the company offers a range of services including validation engineering, quality control inspection, sterile and non-sterile packaging, and advanced inspection. Millstone Medical also provides supply chain and logistics support, including specialized distribution, cold chain logistics, and inventory management. With facilities located in Fall River and a distribution center in Olive Branch, Massachusetts, Millstone Medical is committed to helping manufacturers manage their operations effectively while ensuring compliance and reducing risks and costs.