Biotech Startups

Sinotau develops radiopharmaceutical products, including diagnostic imaging agents for early detection of Alzheimer's disease. The company operates in the radiopharmaceutical sector in China, serving medical institutions and hospitals.

1 investor

Sirona Medical Technologies develops combined focal mapping and ablation catheters that deliver Pulsed Field or Radio Frequency energy to treat cardiac arrhythmias. The company operates in the cardiac electrophysiology segment of medical devices, serving physicians who diagnose and treat cardiac electrophysiology disorders.

1 investor

Sitala Bio develops treatments targeting harmful inflammation for neurodegenerative and inflammatory diseases. It operates in the biotechnology and therapeutics sector.

1 investor

Goodlab is an innovation design studio that provides brand strategy, storytelling, design, and engineering services for companies in science, health, wellness, and environmental fields. It creates brand identities and communication tools for startups and ventures in these sectors.

1 investor

SiteBridge Research is an integrated research organization that connects physicians and patients to clinical trials, with a focus on reaching underserved communities and reducing operational barriers for research sites. The company builds a network of community practices to deliver industry-sponsored clinical research while improving diversity and access in patient participation.

1 investor

SiteLabs works with independent pharmacies in the U.S. to offer preventive health screenings, close gaps in care, and recruit patients for clinical trials, using pharmacies as neighborhood screening and recruitment hubs. It serves independent pharmacies, health plans, and clinical trial sponsors seeking to reach underserved and at-risk populations.

1 investor

Deep tech company; invested from Fund I in 2015

1 investor

Sitero provides institutional review board (IRB) services and an electronic submission system for clinical research studies. The company serves sponsors and contract research organizations managing multi-site research protocols.

1 investor

SiVEC Biotechnologies develops BactPac, a live biotherapeutic delivery platform that enables targeted delivery of nucleic acid therapies and gene editing therapies for clinical advancement. The company licenses its platform technology to pharmaceutical partners and pursues its own therapeutic pipeline in oncology and other disease areas.

1 investor

SJC Bio develops resorbable polymer-ceramic composite biomaterials for dental and craniofacial surgical applications, with its lead product OsseoCem providing immediate structural stability for bone grafting procedures.

1 investor

Skin Tech Pharma Group develops multiple branded skincare and dermatological products designed to address various skin conditions through a science-based approach to aesthetic treatments.

1 investor

SkinBioTherapeutics is a life sciences company developing skincare products and ingredients that target the gut-skin relationship to address skin health, wellbeing and beauty. It works both topically and through ingestible approaches.

1 investor

PolarityBio is a late-stage biotechnology company developing regenerative multicellular biologics for chronic wounds such as diabetic foot ulcers. Its lead investigational product, SkinTE, is an autologous cutaneous multicellular therapy under FDA priority review, with a focus on the United States market.

1 investor

Skylark Bio develops precision-targeted, locally delivered AAV gene therapies for single-gene disorders, starting with genetic causes of hearing loss and extending toward central nervous system conditions. Spun out of research at Harvard Medical School and Massachusetts General Hospital, the company builds a gene therapy platform aimed at durable benefit from a single treatment for patients with genetically defined diseases.

1 investor

SkyrBiotics® is a consumer-facing biotic ingredient concept for dairy products, combining named microbiome strains, research-informed doses, and scientific substantiation for co-branding partnerships with dairy brands. Developed in Reykjavík and inspired by Iceland's dairy tradition, it aims to add credible, functional biotic benefits to everyday dairy foods like skyr, yogurt, and cottage cheese.

1 investor

A healthcare-focused organization that applies P4 medicine principles—predictive, preventive, personalized, and participatory care—leveraging data analytics and tailored treatment approaches for patients and healthcare payors. The company works with academic, corporate, and venture capital partners to deliver value across the healthcare ecosystem.

1 investor

Slice provides software tools for medical affairs and life sciences professionals working in biotech, pharma, and contract research organizations, addressing workflow inefficiencies and document management challenges.

1 investor

An Australian supplier of cell-culture bioprocessing materials, offering synthetic and dissolvable microcarriers, methacryloyl hydrogels, microfluidic devices, and related lab reagents and equipment. Its products serve life-science research and applications such as vaccine production, cultivated meat, and regenerative medicine.

1 investor

Smart Tissues develops biodegradable biomaterials and biofabrication technologies to support tissue regeneration and treat chronic wounds. The company targets patients with wounds and tissue damage that are unresponsive to existing treatments.

1 investor

SmartFlow Technologies designs and manufactures tangential flow filtration systems for high-solids separation across biopharmaceutical, food processing, and industrial applications. The company's patented filtration modules preserve product quality while concentrating value in complex separations across corn ethanol, dairy, precision fermentation, and specialty chemical processing.

1 investor

SMOK Ventures is a pre-seed and seed stage venture fund based in the US and Poland that invests in technical founders from Central and Eastern Europe building for global markets, with a focus on developer tools and industry-specific AI agents.

1 investor

Kidney-Chek provides an at-home saliva test for early detection of kidney disease in cats and dogs. The test enables pet owners to identify potential health issues before symptoms appear, supporting preventative care for companion animals.

1 investor

SnapDNA builds a self-contained "lab-in-a-box" molecular diagnostic system that tests food for pathogens such as Listeria, Salmonella, and E. coli with sample-to-answer results in under an hour. It serves food companies and testing labs, aiming to eliminate the multi-day cold-storage wait for culture-based pathogen test results.

1 investor

Sofie is a radiopharmaceutical company involved in contract manufacturing and the development of F18-labeled PET (Positron Emission Tomography) radiopharmaceuticals and active pharmaceutical ingredients (FAPI) for patient imaging and treatment.

1 investor