Foresite Capital

Abcuro, Inc. is a biotechnology company focused on developing immunotherapies for the treatment of autoimmunity and cancer. Based in Newton, Massachusetts, Abcuro creates therapeutic antibodies targeting novel mechanisms related to these diseases. The company utilizes advanced bioinformatics to analyze transcription data from human diseases, which aids in the identification of new therapeutic targets. Through ex-vivo validation in diseased tissues, Abcuro seeks to uncover innovative methods to modulate key components of the immune system. Established in 2015, Abcuro aims to enhance treatment strategies in the healthcare industry by offering effective solutions for complex immunological conditions.

Ikena Oncology, Inc. is a biotechnology company focused on discovering and developing biomarker-driven therapies for cancer treatment. It specializes in precision oncology by targeting pathways essential for cancer growth and therapeutic resistance, particularly within the Hippo and RAS signaling networks. The company's portfolio includes several preclinical and discovery-stage programs, such as IK-007, an EP4 receptor antagonist; IK-175, an AHR antagonist; and IK-412, a kynurenine-degrading enzyme. Additionally, Ikena is developing IK-930, an oral small-molecule inhibitor of the TEAD transcription factor involved in the Hippo pathway. Ikena Oncology, originally founded as Kyn Therapeutics in 2016, rebranded in December 2019 and is headquartered in Boston, Massachusetts. The company aims to address significant medical needs in oncology through innovative drug development.

Spear Bio is a biotechnology company established in 2021 and located in Weston, Massachusetts. The company specializes in ultrasensitive protein detection technology, which provides significant advantages in the healthcare sector. Its innovations support self-testing and telemedicine-based diagnostics by enabling the quantification of minute protein biomarkers from samples collected at home. This approach allows clinicians to achieve ultrasensitive detection using small sample volumes, seamlessly integrating into existing workflows for sample collection, processing, and analysis.

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.

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.

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 biotech company founded in 2021, specializing in the development of precision oncology therapies. The firm focuses on discovering and creating small-molecule drugs that target specific cancer genes and driver mutations. By leveraging advanced techniques in genomics, computational chemistry, proteomics, and artificial intelligence, Nested Therapeutics aims to identify druggable pockets within mutation clusters. This approach allows for the development of novel therapies that enable healthcare professionals to provide more effective and targeted treatments for cancer patients.

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.

Gemini Therapeutics, Inc. is a precision medicine company based in Cambridge, Massachusetts, founded in 2015. The company specializes in developing new therapies for patients experiencing dry age-related macular degeneration (AMD) and related rare genetic diseases. Gemini Therapeutics focuses on genetically defined conditions, creating therapeutic candidates that address molecular abnormalities in patients with significant clinical needs. Their diverse pipeline encompasses monoclonal antibodies, recombinant proteins, and gene therapies, positioning the company to potentially introduce first-in-class therapeutics. The development of these innovative treatment options is supported by collaborations with leading life science investors and academic institutions worldwide, reflecting a commitment to advancing medical care for individuals suffering from these conditions.

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, Inc. is a clinical-stage biopharmaceutical company based in Cambridge, Massachusetts, dedicated to developing novel therapies for patients with genetically defined diseases that have significant unmet medical needs. The company's lead product candidate, losmapimod, is a small molecule currently undergoing Phase 2b clinical trials for the treatment of facioscapulohumeral muscular dystrophy, a rare condition characterized by progressive muscle wasting and disability. Another key candidate, FTX-6058, aims to upregulate fetal hemoglobin to treat sickle cell disease and beta-thalassemia. Fulcrum is also actively researching drug targets for other genetic disorders, including Duchenne muscular dystrophy and Friedreich ataxia, as well as neurological and pulmonary diseases. The company has established collaborations with Acceleron Pharma to explore biological targets in pulmonary disease and with MyoKardia to develop therapies for genetic cardiomyopathies. Founded in 2015, Fulcrum Therapeutics continues to focus on improving patient outcomes in rare disease contexts.

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, Inc. is a clinical-stage precision medicine company based in Cambridge, Massachusetts, focused on transforming the drug discovery process. The company employs a novel allosteric drug-discovery platform, known as Dynamo, which integrates advanced computational techniques with experimental methods to study protein motion and interactions. This innovative approach enables the identification and development of therapies targeting complex diseases, particularly in oncology. Relay Therapeutics is advancing a pipeline of product candidates, including RLY-1971, a small molecule inhibitor targeting SHP2, RLY-4008, a selective inhibitor of FGFR2 for advanced solid tumors, and RLY-PI3K1047, aimed at mutant variants of phosphoinositide 3-kinase alpha. Founded in 2015, the company aims to deliver life-changing therapies to patients by addressing previously intractable targets in precision oncology and genetic diseases.

Fulcrum Therapeutics, Inc. is a clinical-stage biopharmaceutical company based in Cambridge, Massachusetts, dedicated to developing novel therapies for patients with genetically defined diseases that have significant unmet medical needs. The company's lead product candidate, losmapimod, is a small molecule currently undergoing Phase 2b clinical trials for the treatment of facioscapulohumeral muscular dystrophy, a rare condition characterized by progressive muscle wasting and disability. Another key candidate, FTX-6058, aims to upregulate fetal hemoglobin to treat sickle cell disease and beta-thalassemia. Fulcrum is also actively researching drug targets for other genetic disorders, including Duchenne muscular dystrophy and Friedreich ataxia, as well as neurological and pulmonary diseases. The company has established collaborations with Acceleron Pharma to explore biological targets in pulmonary disease and with MyoKardia to develop therapies for genetic cardiomyopathies. Founded in 2015, Fulcrum Therapeutics continues to focus on improving patient outcomes in rare disease contexts.

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, Inc., established in 2015 and based in Woburn, Massachusetts, is a biotechnology company specializing in the development of oncolytic immune-gene therapies for cancer treatment. The company's proprietary Immulytic platform enables the design of product candidates that directly attack cancer cells and stimulate the immune system. Replimune's lead candidate, RP1, is a modified herpes simplex virus currently in Phase I/II trials for various solid tumors and Phase II trials for cutaneous squamous cell carcinoma. Additionally, RP2 and RP3 are in early-stage clinical trials, targeting immune checkpoint inhibition and T-cell stimulation, respectively. Replimune aims to rapidly advance these therapies through clinical trials and explore combinations with other immuno-oncology products.

Solid Biosciences Inc. is a life science company focused on developing therapies for Duchenne muscular dystrophy (DMD), a 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. In addition to SGT-001, Solid Biosciences is advancing the Anti-LTBP4 program, which involves a monoclonal antibody designed to reduce fibrosis and inflammation by targeting the LTBP4 protein. The company also develops biomarkers and sensors, as well as the Solid Suit program, which focuses on creating wearable assistive devices with functional and therapeutic benefits. Founded in 2013 and headquartered in Cambridge, Massachusetts, Solid Biosciences has established a strategic collaboration with Ultragenyx to enhance gene therapy development for DMD. With no current cure for DMD, the company aims to provide innovative solutions for a condition that affects an estimated 10,000 to 15,000 cases in the United States.

Intarcia Therapeutics, Inc. is a biopharmaceutical company focused on developing therapies for chronic conditions requiring long-term treatment. The company is known for its innovative drug delivery platform, DUROS, which stabilizes and administers therapeutic proteins and peptides effectively. Among its key products is ITCA 650, currently in phase 3 clinical trials for type 2 diabetes, designed to provide patients with continuous dosing of an incretin mimetic therapy. Intarcia also explores treatments for obesity and other chronic disorders. Established in 1995 and headquartered in Boston, Massachusetts, Intarcia operates a manufacturing facility in Hayward, California, and a research and development center in Durham, North Carolina. The company was previously known as BioMedicines, Inc. before adopting its current name in 2004.

Intellia Therapeutics, Inc. is a genome editing company headquartered in Cambridge, Massachusetts, specializing in the development of therapeutics using the CRISPR/Cas9 technology. This innovative platform allows for precise alterations of genomic DNA, enabling the company to pursue treatments for a range of severe and life-threatening diseases. Intellia's pipeline includes both in vivo programs targeting liver diseases such as transthyretin amyloidosis and hereditary angioedema, as well as ex vivo programs focused on engineered cell therapies for oncological and autoimmune disorders. The company is also exploring treatments for conditions like primary hyperoxaluria Type 1, alpha-1 antitrypsin deficiency, and Hemophilia B. Intellia has established collaborations with several organizations, enhancing its research and development capabilities. Founded in 2014, Intellia holds a significant intellectual property portfolio related to the therapeutic applications of CRISPR/Cas9, aiming to address high unmet medical needs through its advanced gene-editing approaches.

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.

Intarcia Therapeutics, Inc. is a biopharmaceutical company focused on developing therapies for chronic conditions requiring long-term treatment. The company is known for its innovative drug delivery platform, DUROS, which stabilizes and administers therapeutic proteins and peptides effectively. Among its key products is ITCA 650, currently in phase 3 clinical trials for type 2 diabetes, designed to provide patients with continuous dosing of an incretin mimetic therapy. Intarcia also explores treatments for obesity and other chronic disorders. Established in 1995 and headquartered in Boston, Massachusetts, Intarcia operates a manufacturing facility in Hayward, California, and a research and development center in Durham, North Carolina. The company was previously known as BioMedicines, Inc. before adopting its current name in 2004.

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., a pharmaceutical company based in Newton, Massachusetts, specializes in the discovery, development, and commercialization of drugs targeting nuclear transport and related pathways for cancer treatment. Its lead product, XPOVIO (selinexor), is an approved therapy for multiple myeloma, both as a standalone treatment and in combination with other drugs. The company's pipeline includes several clinical-stage compounds, such as BOSTON, STORM, STOMP, and SADAL, which are being evaluated in various blood cancers. Additionally, Karyopharm has collaborations with other organizations for COVID-19 and neurological disease research.