Foresite Capital

Remix Therapeutics Inc. is a biotechnology company focused on the research and development of innovative small-molecule therapies that target RNA processing to address various diseases. Established in 2018 and based in Cambridge, Massachusetts, the company employs its proprietary biology platform to identify and prioritize therapeutic targets within RNA processing. Through its REMseq platform, Remix Therapeutics validates potential drug targets and optimizes chemical compounds for therapeutic use. The company's approach aims to reprogram RNA processing to control gene expression, thereby correcting, enhancing, or eliminating problematic gene messages. This enables healthcare providers to tackle the underlying causes of diseases, offering novel solutions to previously undruggable conditions.

FOLX Health is a telehealth platform based in Boston, Massachusetts, that specializes in providing digital healthcare services for the LGBTQIA+ community. Launched in 2020, the platform creates a medical service marketplace specifically designed for queer and trans individuals. FOLX Health offers access to a network of clinicians who understand the unique needs of this community, focusing on services such as gender-affirming hormone therapy, sexual health, and family creation. The platform also provides virtual consultations, discreet delivery of at-home medication kits, and general medical services, aiming to eliminate the barriers and stigma often encountered in traditional healthcare settings. By prioritizing the health and well-being of LGBTQIA+ individuals, FOLX Health fosters a supportive environment for patients to manage their health needs.

Nested Therapeutics is a Cambridge-based VC-backed stealth biotech company. The company's focus is on finding and creating new precision oncology small-molecule drugs targeted toward cancer genes. Nested Therapeutics was established in 2021 in Cambridge, Massachusetts.

Remix Therapeutics Inc. is a biotechnology company focused on the research and development of innovative small-molecule therapies that target RNA processing to address various diseases. Established in 2018 and based in Cambridge, Massachusetts, the company employs its proprietary biology platform to identify and prioritize therapeutic targets within RNA processing. Through its REMseq platform, Remix Therapeutics validates potential drug targets and optimizes chemical compounds for therapeutic use. The company's approach aims to reprogram RNA processing to control gene expression, thereby correcting, enhancing, or eliminating problematic gene messages. This enables healthcare providers to tackle the underlying causes of diseases, offering novel solutions to previously undruggable conditions.

Tango Therapeutics, Inc. is a biotechnology company based in Cambridge, Massachusetts, focused on developing innovative cancer therapies through the principle of synthetic lethality. Established in 2014, the company aims to discover and target specific driver genes involved in cancer progression. Its research concentrates on three main areas: counteracting the loss of tumor suppressor genes, reversing cancer cells' ability to evade the immune system, and identifying effective drug combinations that outperform single-agent therapies. Tango's pipeline includes TNG908, a selective inhibitor of PRMT5 designed for cancer cells with an MTAP deletion, alongside other discovery programs like TNG462, TNG348, and TNG260, which target various cancer types with limited treatment options.

Identifeye is creating prediction models that combine multiple retinal imaging modalities with expert annotations to create comprehensive and non-invasive health assessments. Identifeye Health is a part of the 4Catalyzer accelerator, which is dedicated to improving patient care globally. It has offices in Guilford, Connecticut, New York City, and Palo Alto, California.

Affinivax, Inc. is a biotechnology company based in Lexington, Massachusetts, focused on developing innovative vaccines using its proprietary Multiple Antigen Presenting System (MAPS) technology. This approach allows for the combination of protective polysaccharides and proteins into a single vaccine, thereby enhancing immune responses against a variety of infectious diseases affecting both children and adults. Affinivax targets several significant pathogens, including Streptococcus pneumoniae, bacterial nosocomial infections, Salmonella typhi, and Staphylococcus aureus. The company aims to create vaccines that not only provide broader disease coverage compared to existing options but also address infectious diseases lacking effective immunization strategies. Founded in 2014, Affinivax benefits from the expertise of leading professionals in infectious diseases and vaccines, and it has received backing from the Bill & Melinda Gates Foundation, along with an exclusive license from Boston Children’s Hospital for its MAPS technology.

LifeMine Therapeutics, Inc. is a biotechnology company focused on discovering new drug modalities from eukaryotic microbes, particularly fungi. Founded in 2016 and headquartered in Cambridge, Massachusetts, with an additional office in New York, the company employs an integrated platform that combines genomics, artificial intelligence, and synthetic biology. This innovative Avatar-Rx platform utilizes high-throughput microbiology, data science, machine learning, genome engineering, and automation to explore the fungal biosphere for novel genetically encoded molecules with specific biological functions. By integrating chemoinformatic-assisted drug optimization and advanced chemical synthesis with biotransformation, LifeMine Therapeutics aims to advance a pipeline of new medicines into development.

Remix Therapeutics Inc. is a biotechnology company focused on the research and development of innovative small-molecule therapies that target RNA processing to address various diseases. Established in 2018 and based in Cambridge, Massachusetts, the company employs its proprietary biology platform to identify and prioritize therapeutic targets within RNA processing. Through its REMseq platform, Remix Therapeutics validates potential drug targets and optimizes chemical compounds for therapeutic use. The company's approach aims to reprogram RNA processing to control gene expression, thereby correcting, enhancing, or eliminating problematic gene messages. This enables healthcare providers to tackle the underlying causes of diseases, offering novel solutions to previously undruggable conditions.

Fulcrum Therapeutics is a clinical-stage biopharmaceutical company based in Cambridge, Massachusetts, focused on developing therapies for patients with rare genetic diseases. The company is dedicated to addressing unmet medical needs, particularly in the realm of genetically defined conditions. Its lead product candidate, losmapimod, is a small molecule currently undergoing Phase 2b clinical trials for the treatment of facioscapulohumeral muscular dystrophy (FSHD), a progressive muscle-wasting disorder. Additionally, Fulcrum is developing FTX-6058, aimed at increasing fetal hemoglobin levels in patients with sickle cell disease and beta-thalassemia. The company also engages in research to identify drug targets for various conditions, including Duchenne muscular dystrophy and neurological diseases. Fulcrum Therapeutics has established collaborations with Acceleron Pharma Inc. and MyoKardia, Inc. to explore new therapeutic avenues in pulmonary disease and genetic cardiomyopathies, respectively. Founded in 2015, Fulcrum aims to enhance the quality of life for patients suffering from these challenging disorders.

Cerevance LLC is a biotechnology company focused on developing innovative therapeutics for neurological and psychiatric disorders, including Alzheimer's disease, Parkinson's disease, and other chronic neurodegenerative conditions. Founded in 2016 and headquartered in Boston, Massachusetts, with an additional office in Cambridge, United Kingdom, the company utilizes its NETSseq platform to profile specific brain cell types, including neurons and glial cells, using a repository of over 15,000 human brain tissue samples. This platform provides detailed expression and epigenetic data, allowing Cerevance to identify promising therapeutic targets for central nervous system diseases. Through its research, the company aims to advance new medicines that can potentially address the underlying mechanisms of these debilitating conditions.

Keros Therapeutics, Inc. is a clinical-stage biopharmaceutical company dedicated to discovering, developing, and commercializing innovative treatments for patients with hematological and musculoskeletal disorders that have significant unmet medical needs. The company's lead product candidate, KER-050, targets low blood cell counts, specifically anemia and thrombocytopenia, in patients with myelodysplastic syndromes and myelofibrosis. Additionally, Keros is advancing KER-047, a small molecule therapy aimed at treating anemia caused by elevated hepcidin levels, as well as fibrodysplasia ossificans progressiva. Another candidate, KER-012, is being developed for conditions related to bone loss, such as osteoporosis and osteogenesis imperfecta, and for pulmonary arterial hypertension. Founded in 2015, Keros Therapeutics is headquartered in Lexington, Massachusetts.

Generation Bio is a genetic medicines company based in Cambridge, Massachusetts, that specializes in developing innovative gene therapies for both rare and prevalent diseases. Founded in 2016 and originally named Torus Therapeutics, the company focuses on treating conditions primarily affecting the liver and retina, as well as diseases of skeletal muscle, the central nervous system, and oncology. Generation Bio employs a proprietary non-viral platform that includes a high-capacity DNA construct known as closed-ended DNA (ceDNA) and a cell-targeted lipid nanoparticle delivery system (ctLNP). This platform aims to deliver genetic payloads effectively across various tissues and allows for redosable treatments tailored to individual patient needs. Through its advanced manufacturing processes, Generation Bio seeks to expand access to gene therapies and provide durable solutions for patients with both rare and common diseases.

Relay Therapeutics is a clinical-stage precision medicine company based in Cambridge, Massachusetts, focused on transforming the drug discovery process, particularly in targeted oncology. Utilizing its innovative Dynamo platform, the company combines advanced computational techniques with experimental methods to enhance small molecule therapeutic discovery. Relay Therapeutics is developing several product candidates, including RLY-1971, an oral inhibitor targeting the SHP2 protein, currently in Phase 1 trials for advanced solid tumors; RLY-4008, a selective inhibitor for patients with FGFR2 alterations; and RLY-PI3K1047, aimed at cancer-associated mutations of the PI3K alpha protein. Founded in 2015, Relay Therapeutics is dedicated to addressing complex diseases through its unique approach to drug discovery.

Fulcrum Therapeutics is a clinical-stage biopharmaceutical company based in Cambridge, Massachusetts, focused on developing therapies for patients with rare genetic diseases. The company is dedicated to addressing unmet medical needs, particularly in the realm of genetically defined conditions. Its lead product candidate, losmapimod, is a small molecule currently undergoing Phase 2b clinical trials for the treatment of facioscapulohumeral muscular dystrophy (FSHD), a progressive muscle-wasting disorder. Additionally, Fulcrum is developing FTX-6058, aimed at increasing fetal hemoglobin levels in patients with sickle cell disease and beta-thalassemia. The company also engages in research to identify drug targets for various conditions, including Duchenne muscular dystrophy and neurological diseases. Fulcrum Therapeutics has established collaborations with Acceleron Pharma Inc. and MyoKardia, Inc. to explore new therapeutic avenues in pulmonary disease and genetic cardiomyopathies, respectively. Founded in 2015, Fulcrum aims to enhance the quality of life for patients suffering from these challenging disorders.

Generation Bio is a genetic medicines company based in Cambridge, Massachusetts, that specializes in developing innovative gene therapies for both rare and prevalent diseases. Founded in 2016 and originally named Torus Therapeutics, the company focuses on treating conditions primarily affecting the liver and retina, as well as diseases of skeletal muscle, the central nervous system, and oncology. Generation Bio employs a proprietary non-viral platform that includes a high-capacity DNA construct known as closed-ended DNA (ceDNA) and a cell-targeted lipid nanoparticle delivery system (ctLNP). This platform aims to deliver genetic payloads effectively across various tissues and allows for redosable treatments tailored to individual patient needs. Through its advanced manufacturing processes, Generation Bio seeks to expand access to gene therapies and provide durable solutions for patients with both rare and common diseases.

LifeMine Therapeutics, Inc. is a biotechnology company focused on discovering new drug modalities from eukaryotic microbes, particularly fungi. Founded in 2016 and headquartered in Cambridge, Massachusetts, with an additional office in New York, the company employs an integrated platform that combines genomics, artificial intelligence, and synthetic biology. This innovative Avatar-Rx platform utilizes high-throughput microbiology, data science, machine learning, genome engineering, and automation to explore the fungal biosphere for novel genetically encoded molecules with specific biological functions. By integrating chemoinformatic-assisted drug optimization and advanced chemical synthesis with biotransformation, LifeMine Therapeutics aims to advance a pipeline of new medicines into development.

Replimune Group is a biotechnology company focused on developing oncolytic immune-gene therapies for cancer treatment. Utilizing its proprietary Immulytic platform, Replimune aims to create product candidates that activate the immune system against tumors. The company's lead candidate, RP1, is a modified herpes simplex virus currently undergoing Phase I/II clinical trials for various solid tumors and Phase II trials specifically for cutaneous squamous cell carcinoma. Additionally, Replimune is developing RP2, which targets CTLA-4 to enhance immune response, and RP3, designed to express immune-activating proteins that stimulate T cells. Founded in 2015 and based in Woburn, Massachusetts, Replimune seeks to advance its therapies through clinical trials and explore combinations with other immuno-oncology treatments to enhance efficacy.

Solid Biosciences Inc. is a life science company focused on developing therapies for Duchenne muscular dystrophy (DMD), a severe genetic muscle-wasting disease primarily affecting boys. The company's lead product candidate, SGT-001, is a gene transfer therapy currently undergoing a Phase I/II clinical trial aimed at restoring functional dystrophin protein expression in patients’ muscles. DMD is a progressive and ultimately fatal condition, with an estimated prevalence of 10,000 to 15,000 cases in the United States. In addition to SGT-001, Solid Biosciences is advancing the Anti-LTBP4 program, which targets the LTBP4 protein to reduce fibrosis and inflammation. The company also develops biomarkers, sensors, and the Solid Suit program, which includes wearable assistive devices designed to provide functional and therapeutic benefits. Established in 2013 and headquartered in Cambridge, Massachusetts, Solid Biosciences collaborates with Ultragenyx to enhance its gene therapy initiatives for DMD.

Intarcia Therapeutics, Inc. is a biopharmaceutical company focused on developing therapies for chronic conditions that require long-term management. The company is known for its innovative Medici Drug Delivery System, which facilitates subcutaneous delivery of therapies for diseases such as type 2 diabetes, obesity, and autoimmune disorders. Its lead product, ITCA 650, is currently in phase 3 clinical trials designed to provide sustained treatment for diabetes through a steady-state dosing system. Additionally, Intarcia's DUROS platform stabilizes and delivers therapeutic proteins and peptides, including devices aimed at treating conditions such as Hepatitis C. Founded in 1997 and originally named BioMedicines, the company rebranded to Intarcia Therapeutics in 2004. It is headquartered in Boston, Massachusetts, with a manufacturing facility in Hayward, California, and a research and development center in Durham, North Carolina.

Intellia Therapeutics is a genome editing company headquartered in Cambridge, Massachusetts, that specializes in developing innovative therapeutics using the CRISPR/Cas9 technology. The company focuses on in vivo programs targeting liver diseases such as transthyretin amyloidosis and hereditary angioedema, as well as conditions like primary hyperoxaluria Type 1, alpha-1 antitrypsin deficiency, and Hemophilia B. Additionally, Intellia's ex vivo pipeline includes engineered cell therapies aimed at treating various oncological and autoimmune diseases. The company has entered into collaborations with notable organizations, including Novartis and Regeneron Pharmaceuticals, to advance its research and development efforts. Founded in 2014, Intellia Therapeutics is committed to addressing severe and life-threatening diseases through its comprehensive intellectual property platform and a broad range of clinical development programs.

Jounce Therapeutics is a clinical-stage immunotherapy company focused on developing innovative therapies for cancer treatment. Headquartered in Cambridge, Massachusetts, the company is advancing several product candidates, including vopratelimab, a monoclonal antibody currently in Phase II clinical trials for patients with non-small cell lung cancer and urothelial cancer. Jounce is also working on JTX-4014, an anti-PD-1 antibody intended for combination therapy, and JTX-1811, which aims to selectively deplete T regulatory cells in the tumor microenvironment. Additionally, the company is developing JTX-8064, an antibody targeting a receptor expressed on macrophages. Founded in 2013 by experts in immunobiology and cancer biology, Jounce Therapeutics employs a proprietary product engine and a Translational Science Platform to enhance its understanding of tumor composition and improve patient outcomes.

SAGE Therapeutics is a biopharmaceutical company focused on developing innovative treatments for central nervous system (CNS) disorders. The company's lead product is ZULRESSO, an intravenous formulation of brexanolone designed for treating postpartum depression. SAGE's pipeline includes several advanced candidates, such as SAGE-217, currently in Phase III trials for various depressive disorders and anxiety, and SAGE-324, which is in Phase II trials for essential tremors. Additionally, SAGE-718 is being explored for multiple conditions, including depression and Alzheimer's disease, having completed its Phase I trials. The company has established strategic collaborations with Shionogi & Co., Ltd. and Biogen Inc. to enhance the development and commercialization of its therapies. Founded in 2010 and headquartered in Cambridge, Massachusetts, SAGE Therapeutics aims to address significant unmet needs in brain health through its scientific innovations and partnerships.

Karyopharm Therapeutics Inc. is a clinical-stage biopharmaceutical company based in Newton, Massachusetts, specializing in the discovery, development, and commercialization of novel drugs targeting nuclear export mechanisms for the treatment of cancer and other diseases. Its lead drug, XPOVIO (selinexor), is an approved treatment for multiple hematologic malignancies, particularly in patients with heavily pretreated multiple myeloma. The company is advancing several clinical trials for its products, including BOSTON and STORM for multiple myeloma, SADAL for relapsed or refractory diffuse large B-cell lymphoma, and SEAL for liposarcoma. Karyopharm is also exploring treatments for endometrial cancer and glioblastoma multiforme. Additionally, the company has partnerships to investigate low-dose selinexor for hospitalized COVID-19 patients and collaborates with the National Cancer Institute for cancer therapy evaluations. Karyopharm utilizes a proprietary platform to develop small molecule drugs that modulate key cellular pathways involved in cancer and inflammation.