Foresite Capital

Abcuro, Inc. is a biotechnology company focused on developing immunotherapies for the treatment of autoimmunity and cancer. Established in 2015 and headquartered in Newton, Massachusetts, Abcuro specializes in creating therapeutic antibodies that target novel pathways in these diseases. The company employs advanced bioinformatics to analyze transcription data from human diseases, enabling them to identify new therapeutic targets within the immune system. By leveraging clinical insights and systematic target validation, Abcuro aims to develop immune-modulatory biotherapeutics that provide innovative treatment options for patients suffering from autoimmune disorders and cancer.

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 based in Weston, Massachusetts, founded in 2021. The company specializes in ultrasensitive protein detection technology, which significantly enhances healthcare diagnostics. Its innovative approach enables the quantification of minute protein biomarkers from samples collected at home, facilitating self-testing and telemedicine applications. By allowing clinicians to detect these biomarkers from small sample volumes, Spear Bio's technology integrates seamlessly into existing workflows for sample collection, processing, and detection, thereby improving the overall efficiency of healthcare delivery.

Remix Therapeutics Inc. is a biotechnology company focused on the research and development of innovative small-molecule therapies aimed at reprogramming ribonucleic acid (RNA) processing to treat various diseases. Founded in 2018 and based in Cambridge, Massachusetts, the company utilizes its proprietary biology platform to discover and develop RNA processing modulators that target previously undruggable disease drivers. Through its REMseq platform, Remix Therapeutics validates therapeutic targets and optimizes chemical compounds, facilitating the identification of patterns in RNA processing. This approach allows for the modulation of gene expression, enabling healthcare practitioners to address the underlying causes of diseases by correcting, enhancing, or eliminating gene messages at their source.

Cerevance LLC is a biotechnology company focused on developing innovative therapeutics for neurological and psychiatric disorders, including Alzheimer's disease, Parkinson's disease, frontotemporal dementia, and amyotrophic lateral sclerosis. Founded in 2016 and headquartered in Boston, Massachusetts, with a branch in Cambridge, United Kingdom, Cerevance utilizes its NETSseq platform to profile specific brain cell types, including neurons and glial cells, within mature human brain tissue. By leveraging a substantial repository of over 15,000 human brain samples, the company generates extensive expression and epigenetic data, guiding the identification of promising therapeutic targets. This approach aims to address the early onset of central nervous system diseases by revealing critical transcriptional and epigenetic differences within affected brain regions.

Folx Health is a telehealth platform established in 2020, based in Boston, Massachusetts, that specializes in providing digital healthcare services for the LGBTQIA+ community. The company focuses on creating a medical service marketplace tailored to the needs of queer and trans individuals, offering access to a network of specialized clinicians. Folx Health's services include gender-affirming hormone therapy, sexual health care, fertility testing, and general medical services. The platform emphasizes discreet delivery of at-home kits for medications, labs, and supplies, enabling users to manage their health without the barriers and stigma often found in traditional healthcare settings.

Nested Therapeutics is a stealth biotechnology company based in Cambridge, Massachusetts, founded in 2021. The company specializes in the development of precision oncology therapies aimed at targeting specific cancer genes. By identifying new driver mutations, Nested Therapeutics employs a platform that integrates insights from genomics, computational chemistry, proteomics, and artificial intelligence to discover novel small-molecule drugs. This innovative approach enables healthcare professionals to administer more effective precision medications, ultimately improving treatment outcomes for cancer patients.

Remix Therapeutics Inc. is a biotechnology company focused on the research and development of innovative small-molecule therapies aimed at reprogramming ribonucleic acid (RNA) processing to treat various diseases. Founded in 2018 and based in Cambridge, Massachusetts, the company utilizes its proprietary biology platform to discover and develop RNA processing modulators that target previously undruggable disease drivers. Through its REMseq platform, Remix Therapeutics validates therapeutic targets and optimizes chemical compounds, facilitating the identification of patterns in RNA processing. This approach allows for the modulation of gene expression, enabling healthcare practitioners to address the underlying causes of diseases by correcting, enhancing, or eliminating gene messages at their source.

Tango Therapeutics, Inc., established in 2014 and headquartered in Cambridge, Massachusetts, is a biotechnology company focused on developing innovative cancer therapies. The company employs the genetic principle of synthetic lethality to identify and target driver genes in cancer cells. Tango Therapeutics concentrates its efforts on three key areas: counteracting tumor suppressor gene loss, reversing immune evasion by cancer cells, and discovering novel drug combinations for enhanced efficacy. Its pipeline includes TNG908, a precision therapy targeting MTAP-deleted cancers, and several other discovery programs aimed at various cancer types with limited treatment options.

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, specializing in the development of vaccines using its innovative Multiple Antigen Presenting System (MAPS) technology. Founded in 2014, the company aims to enhance the protection against a range of infectious diseases that affect both children and adults globally. MAPS technology allows for the effective binding of protective polysaccharides and proteins within a single vaccine, inducing robust immune responses. Affinivax is advancing vaccine programs targeting significant pathogens, including Streptococcus pneumoniae, which contributes to considerable morbidity and mortality worldwide. The company leverages insights from leading experts in infectious diseases and has secured exclusive intellectual property rights related to its MAPS platform from Boston Children’s Hospital, with notable backing from the Bill & Melinda Gates Foundation.

LifeMine Therapeutics, Inc. is a biotechnology company focused on the genomic discovery of new drug modalities derived from eukaryotic microbes, specifically fungi. Founded in 2016 and headquartered in Cambridge, Massachusetts, with an additional office in New York, it employs an integrated drug discovery platform that combines genomics, artificial intelligence, and synthetic biology. LifeMine’s Avatar-Rx platform utilizes high-throughput microbiology, data science, genome engineering, and automation technologies to identify novel gene-encoded molecules (GEMs) with specific biological functions. The company emphasizes chemoinformatic-assisted drug optimization and advanced chemical synthesis, enabling the progression of new product candidates into development. Founded by experts in the field, LifeMine Therapeutics aims to innovate medicine through its unique approach to leveraging the fungal biosphere.

Remix Therapeutics Inc. is a biotechnology company focused on the research and development of innovative small-molecule therapies aimed at reprogramming ribonucleic acid (RNA) processing to treat various diseases. Founded in 2018 and based in Cambridge, Massachusetts, the company utilizes its proprietary biology platform to discover and develop RNA processing modulators that target previously undruggable disease drivers. Through its REMseq platform, Remix Therapeutics validates therapeutic targets and optimizes chemical compounds, facilitating the identification of patterns in RNA processing. This approach allows for the modulation of gene expression, enabling healthcare practitioners to address the underlying causes of diseases by correcting, enhancing, or eliminating gene messages at their source.

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, frontotemporal dementia, and amyotrophic lateral sclerosis. Founded in 2016 and headquartered in Boston, Massachusetts, with a branch in Cambridge, United Kingdom, Cerevance utilizes its NETSseq platform to profile specific brain cell types, including neurons and glial cells, within mature human brain tissue. By leveraging a substantial repository of over 15,000 human brain samples, the company generates extensive expression and epigenetic data, guiding the identification of promising therapeutic targets. This approach aims to address the early onset of central nervous system diseases by revealing critical transcriptional and epigenetic differences within affected brain regions.

Keros Therapeutics, Inc. is a clinical-stage biopharmaceutical company based in Lexington, Massachusetts, dedicated to the discovery, development, and commercialization of innovative treatments for hematological and musculoskeletal disorders with significant unmet medical needs. The company's lead product candidate, KER-050, targets low blood cell counts, or cytopenias, including anemia and thrombocytopenia in patients with myelodysplastic syndromes and myelofibrosis. Additionally, Keros is developing KER-047, a small molecule aimed at treating anemia and fibrodysplasia ossificans progressiva, which is currently in Phase 1 clinical trials. Another candidate, KER-012, is being explored for its potential in treating bone loss disorders such as osteoporosis and osteogenesis imperfecta, as well as pulmonary arterial hypertension. Keros Therapeutics emphasizes understanding the role of the Transforming Growth Factor-Beta family of proteins, which are crucial for the regulation of blood cell production and the maintenance of muscle and bone health.

Generation Bio Co. is a genetic medicines company based in Cambridge, Massachusetts, that specializes in developing innovative gene therapies aimed at treating both rare and prevalent diseases. Founded in 2016 and formerly known as Torus Therapeutics, the company focuses on creating durable and redosable treatments for conditions affecting the liver, retina, skeletal muscle, central nervous system, and oncology. Generation Bio employs a proprietary platform that utilizes closed-ended DNA (ceDNA) and a cell-targeted lipid nanoparticle delivery system (ctLNP) to achieve targeted delivery of genetic materials across various tissues. This approach is designed to enhance treatment efficacy while expanding access to therapies for rare diseases and addressing more common conditions through scalable manufacturing processes.

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 Co. is a genetic medicines company based in Cambridge, Massachusetts, that specializes in developing innovative gene therapies aimed at treating both rare and prevalent diseases. Founded in 2016 and formerly known as Torus Therapeutics, the company focuses on creating durable and redosable treatments for conditions affecting the liver, retina, skeletal muscle, central nervous system, and oncology. Generation Bio employs a proprietary platform that utilizes closed-ended DNA (ceDNA) and a cell-targeted lipid nanoparticle delivery system (ctLNP) to achieve targeted delivery of genetic materials across various tissues. This approach is designed to enhance treatment efficacy while expanding access to therapies for rare diseases and addressing more common conditions through scalable manufacturing processes.

LifeMine Therapeutics, Inc. is a biotechnology company focused on the genomic discovery of new drug modalities derived from eukaryotic microbes, specifically fungi. Founded in 2016 and headquartered in Cambridge, Massachusetts, with an additional office in New York, it employs an integrated drug discovery platform that combines genomics, artificial intelligence, and synthetic biology. LifeMine’s Avatar-Rx platform utilizes high-throughput microbiology, data science, genome engineering, and automation technologies to identify novel gene-encoded molecules (GEMs) with specific biological functions. The company emphasizes chemoinformatic-assisted drug optimization and advanced chemical synthesis, enabling the progression of new product candidates into development. Founded by experts in the field, LifeMine Therapeutics aims to innovate medicine through its unique approach to leveraging the fungal biosphere.

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, Inc. is a clinical-stage immunotherapy company based in Cambridge, Massachusetts, focused on developing innovative therapies for cancer treatment. The company aims to harness the immune system to target and eliminate cancerous cells, thereby enhancing patient outcomes and quality of life. Among its key product candidates is vopratelimab, a monoclonal antibody currently undergoing Phase II clinical trials for patients with non-small cell lung cancer and urothelial cancer. Jounce is also advancing JTX-4014, an anti-PD-1 antibody for combination therapy, and JTX-1811, which is designed to deplete T regulatory cells in the tumor microenvironment. Additionally, JTX-8064 targets a specific receptor on macrophages to modulate the immune response. Founded in 2013 by experts in immunobiology and cancer biology, Jounce utilizes a proprietary Translational Science Platform to analyze the cellular and molecular characteristics of tumors, driving its commitment to developing first-in-class cancer immunotherapies.

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, Inc. is a clinical-stage biopharmaceutical company headquartered in Cambridge, Massachusetts, dedicated to developing innovative treatments for central nervous system (CNS) disorders. The company's lead product, ZULRESSO, is an intravenous formulation of brexanolone specifically designed for the treatment of postpartum depression. SAGE Therapeutics is advancing a diverse product pipeline, including SAGE-217, a novel neuroactive steroid in Phase III trials for various depressive disorders and anxiety, and SAGE-324, currently in Phase II trials for essential tremors and other neurological conditions. Additionally, SAGE-718, an oxysterol-based positive allosteric modulator, has completed Phase I trials targeting multiple CNS-related disorders. The company also explores other compounds, such as SAGE-904 and SAGE-689. SAGE Therapeutics has established strategic collaborations with Shionogi & Co., Ltd. and Biogen Inc. for the development and commercialization of its key product candidates, emphasizing its commitment to addressing the challenges of brain health.

Karyopharm Therapeutics Inc. is a clinical-stage pharmaceutical company based in Newton, Massachusetts, focused on the discovery and development of innovative drug therapies for cancer and other significant diseases. The company specializes in small molecule selective inhibitors of nuclear export (SINE) compounds, targeting the nuclear export protein exportin 1. Its lead product, XPOVIO, is approved in the U.S. for treating multiple myeloma in various settings. Karyopharm is advancing several clinical trials, including BOSTON and STORM for multiple myeloma, SADAL for diffuse large B-cell lymphoma, and SEAL for liposarcoma. Additionally, it is exploring the treatment of endometrial cancer through the SIENDO trial and glioblastoma multiforme in the KING trial. The company maintains collaborations to facilitate clinical trials and research efforts, including projects related to COVID-19. Karyopharm continues to develop various investigational programs aimed at expanding its therapeutic portfolio.