EcoR1 Capital

Tectonic Therapeutic is a biotechnology company dedicated to the discovery and development of innovative drugs targeting G protein-coupled receptors (GPCRs). By utilizing its proprietary technology platform, GEODe, Tectonic aims to create therapeutic proteins and antibodies that effectively modulate GPCR activity. The company seeks to address the complexities associated with GPCR-targeted drug discovery, focusing on developing biologic medicines that have the potential to alter disease progression. Founded by experts in biochemistry and molecular pharmacology, Tectonic is committed to advancing the therapeutic utility of some of the most challenging receptors in this class.

Tectonic Therapeutic is a biotechnology company dedicated to the discovery and development of innovative drugs targeting G protein-coupled receptors (GPCRs). By utilizing its proprietary technology platform, GEODe, Tectonic aims to create therapeutic proteins and antibodies that effectively modulate GPCR activity. The company seeks to address the complexities associated with GPCR-targeted drug discovery, focusing on developing biologic medicines that have the potential to alter disease progression. Founded by experts in biochemistry and molecular pharmacology, Tectonic is committed to advancing the therapeutic utility of some of the most challenging receptors in this class.

Bicycle Therapeutics is a clinical-stage biopharmaceutical company focused on developing a novel class of medicines known as Bicycles, which are synthetic short peptides designed to stabilize their structural geometry through two loops. The company primarily targets oncology indications with significant unmet medical needs. Its lead product candidate, BT1718, is a Bicycle Toxin Conjugate currently undergoing Phase I/IIa clinical trials aimed at tumors expressing Membrane Type 1 matrix metalloprotease. Other oncology candidates include BT5528, also in Phase I/IIa trials targeting EphA2, and BT8009, which is in preclinical studies for Nectin-4. Additionally, Bicycle Therapeutics is developing THR-149, a plasma kallikrein inhibitor that has completed Phase I trials for diabetic macular edema. The company collaborates with various biopharmaceutical organizations to advance programs in areas like anti-infectives and cardiovascular health. Founded in 2009, Bicycle Therapeutics is headquartered in Cambridge, United Kingdom.

BridgeBio Oncology Therapeutics operates as a biopharmaceutical company.

CRISPR Therapeutics is focused on the development of transformative medicines using its proprietary CRISPR/Cas9 gene-editing platform. CRISPR/Cas9 is a revolutionary technology that allows for precise, directed changes to genomic DNA. They have licensed the foundational CRISPR/Cas9 patent estate for human therapeutic use from their scientific founder, Dr. Emmanuelle Charpentier, who co-invented the application of CRISPR/Cas9 for gene editing. CRISPR Therapeutics’ vision is to cure serious human diseases at the molecular level using CRISPR-Cas9. The company is headquartered in Basel, Switzerland and has operations in London, UK.

Terremoto Biosciences is a biotechnology company leveraging the power of lysine-based covalency to develop optimized medicines.

Aligos Therapeutics, Inc. is a clinical stage biopharmaceutical company that was founded in 2018 with the mission to become a world leader in the treatment of viral infections and liver diseases. Aligos is focused on the development of targeted antiviral therapies for chronic hepatitis B (CHB) and coronaviruses as well as leveraging its expertise in liver diseases to create targeted therapeutics for nonalcoholic steatohepatitis (NASH). Aligos’ strategy is to harness the deep expertise and decades of drug development experience its workforce has in liver disease, particularly viral hepatitis, to rapidly advance its pipeline of potentially best-in-class molecules.

Actio Biosciences focuses on the development of precision medicines tailored for homogeneous rare patient populations. The company is engaged in creating a pipeline of innovative drugs aimed at treating rare diseases, with the potential to extend their application to more common illnesses. By utilizing biotechnology to modulate the activity of proteins linked to rare diseases, Actio Biosciences aims to enhance the likelihood of clinical success and deliver effective treatments for conditions that are often difficult to cure. Their commitment to addressing both rare and common diseases positions them to make a significant impact in the field of medicine.

ORIC Pharmaceuticals is a clinical-stage biopharmaceutical company focused on developing therapies to overcome resistance in cancer treatments. Founded in 2014 and based in South San Francisco, the company’s lead product candidate, ORIC-101, is a small molecule antagonist of the glucocorticoid receptor, which is associated with resistance to various cancer therapies in solid tumors. Its second candidate, ORIC-533, is an orally bioavailable small molecule inhibitor of CD73, targeting a critical component of the adenosine pathway linked to resistance against chemotherapy and immunotherapy. In addition to these products, ORIC is advancing multiple precision medicines aimed at addressing other mechanisms of cancer resistance. The company’s founders, Charles Sawyers and Scott Lowe, have extensive experience in identifying novel cancer targets that have led to innovative therapies.

Paratus Sciences is a biotechnology company focused on enhancing human health and health security through the study of bat biology. By exploring the unique aspects of the bat genome, the company aims to identify and develop therapeutics for a variety of diseases. Paratus Sciences seeks to unlock the secrets of bat biology to facilitate innovative treatments, ultimately helping patients combat the health challenges they encounter.

Abeona Therapeutics is a clinical-stage biopharmaceutical company dedicated to developing gene and cell therapies for severe, life-threatening rare genetic diseases. The company's leading programs include EB-101, an autologous, gene-corrected cell therapy for recessive dystrophic epidermolysis bullosa, and ABO-102 and ABO-101, which are AAV-based gene therapies targeting Sanfilippo syndrome types A and B, respectively. Additional therapies under development include ABO-201 and ABO-202 for Batten disease, ABO-401 for cystic fibrosis, and ABO-5OX for genetic eye disorders. Abeona also operates the AIM Vector Platform, which focuses on advancing gene therapy delivery methods using next-generation AAV capsids. The company is engaged in a licensing agreement with REGENXBIO for gene therapies addressing multiple genetic disorders. Founded in 1974 and headquartered in New York, Abeona has a fully operational manufacturing facility that supports its preclinical and clinical research efforts.

immatics is a biopharmaceutical company focused on the discovery of true targets for cancer immunotherapies with the development of the right T cell receptors. The company's customized Adoptive Cell Therapies (ACTengine) and antibody-like TCR Bispecifics are the two main product classes in the pipeline (TCER). With a focus on particularly difficult-to-treat solid malignancies, each therapy modality has unique characteristics to create the desired therapeutic impact for patients at various disease stages and with various types of tumors. immatics biotechnologies was established in 2000 by Hans Rammensee, Harpreet Singh, and Steffen Walter in Tübingen, Baden-Wurttemberg.

22seventy bio is an immuno-oncology cell therapy company that discovers and develops cancer therapies. The company combines a deep knowledge of cancer cell biology and genetics with an understanding of the immune response to cancer to advance its pipeline. It was established in Cambridge, Massachusetts in 2021.

Corvus Pharmaceuticals is a clinical-stage biopharmaceutical company based in Burlingame, California, dedicated to developing innovative immuno-oncology therapies. The company’s lead product candidate, Ciforadenant (CPI-444), is an oral small molecule antagonist of the A2A receptor and is currently undergoing Phase Ib/2 clinical trials. Additionally, Corvus is advancing CPI-006, an anti-CD73 monoclonal antibody, which is in Phase I/Ib trials aimed at inhibiting adenosine production and stimulating immune responses, as well as investigating its potential for treating COVID-19. Another candidate, CPI-818, is a small molecule that selectively inhibits interleukin-2-inducible T-cell kinase and is also in Phase I/Ib trials. Corvus Pharmaceuticals collaborates strategically with Angel Pharmaceuticals to enhance its pipeline of targeted investigational medicines. Founded in 2014, the company is focused on addressing significant unmet medical needs in cancer treatment and related diseases.

Tectonic Therapeutic is a biotechnology company dedicated to the discovery and development of innovative drugs targeting G protein-coupled receptors (GPCRs). By utilizing its proprietary technology platform, GEODe, Tectonic aims to create therapeutic proteins and antibodies that effectively modulate GPCR activity. The company seeks to address the complexities associated with GPCR-targeted drug discovery, focusing on developing biologic medicines that have the potential to alter disease progression. Founded by experts in biochemistry and molecular pharmacology, Tectonic is committed to advancing the therapeutic utility of some of the most challenging receptors in this class.

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.

Gritstone bio is a biotechnology company focused on developing personalized immunotherapies for cancer and infectious diseases. The company initially concentrated on tumor-specific neoantigens but has expanded its programs to include viral antigens found on the surfaces of infected cells. This approach leverages the immune system's ability to recognize abnormal cell targets, which is crucial for both anti-tumor and anti-viral immunity. Gritstone bio is building a robust pipeline of immunotherapy product candidates, including GRANITE, SLATE, and CORAL, designed to address various solid tumors. Through these developments, Gritstone bio aims to contribute to the evolving landscape of cancer treatment and enhance patient outcomes.

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.

Syros Pharmaceuticals is a life sciences company that is focused on treating disease by mapping gene regulatory circuits and modulating the factors that regulate gene expression. Syros has pioneered world-leading gene control research and drug discovery capabilities with a proven ability to integrate disease biology and genomic data--a proficiency that is not well represented in pharmaceutical R&D. Central to the Syros approach is a proprietary platform of carefully integrated assay technologies, bioinformatics, and biologic insights developed by members of Syros' senior leadership. While this scientific approach has applications in many therapeutic areas, Syros has demonstrated success initially in oncology, where it may help address numerous unmet medical needs.

Cellares Corporation, founded in 2019 and based in South San Francisco, California, focuses on advancing cell therapy for cancer treatment by addressing the significant manufacturing challenges associated with these therapies. The company has developed the Cell Shuttle, an automated and closed end-to-end manufacturing solution designed to enhance the scalability and efficiency of cell therapy production. This innovative system allows for the simultaneous production of multiple patient doses, achieving tenfold scalability compared to traditional methods, while also reducing process failure rates by three times and lowering manufacturing costs by up to 70 percent. Cellares aims to make life-saving cell therapies more affordable and widely accessible to patients in need, thereby accelerating the development and availability of these critical treatments.

Silverback Therapeutics, Inc. is a clinical-stage biopharmaceutical company based in Seattle, Washington, that specializes in developing tissue-targeted therapeutics aimed at treating cancer, chronic viral infections, and other serious diseases. The company’s lead product candidate, SBT6050, is currently undergoing a Phase I/Ib clinical trial; it is a TLR8 agonist conjugated to a HER2-directed monoclonal antibody, targeting tumors such as breast, gastric, and non-small cell lung cancers. Additionally, Silverback is advancing SBT6290, which is in preclinical development and targets Nectin4, found in bladder, triple-negative breast, head and neck, and non-small cell lung cancers. The company is also developing SBT8230, aimed at treating chronic hepatitis B virus infection, and exploring other agents that utilize its proprietary technology to modulate pathways in oncology and fibrosis indications. Silverback's innovative ImmunoTAC platform enables the design of therapies that are systemically delivered but act specifically at disease sites, unlocking previously inaccessible pathways for treatment.

Shattuck Labs, Inc. is a clinical-stage biotechnology company based in Austin, Texas, focused on developing innovative therapeutics for cancer and autoimmune diseases. The company utilizes its proprietary Agonist Redirected Checkpoint (ARC) platform, which involves dual-function fusion proteins designed to enhance immune responses against tumors. Its lead product candidate, SL-172154, is undergoing Phase 1 clinical trials for the treatment of ovarian cancer, while another candidate, SL-279252, is being developed in collaboration with Takeda Pharmaceuticals and is also in Phase 1 trials for advanced solid tumors and lymphoma. Shattuck Labs aims to address a variety of cancer types through its research in immuno-oncology, leveraging its technology to promote effective immune responses and improve patient outcomes. Founded in 2016, the company is committed to advancing the field of biologic medicine.

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.

ElevateBio, LLC is a holding company based in Cambridge, Massachusetts, focused on the development of cell and gene-based therapies for treating cancer and viral infections. Founded in 2017 by Vikas Sinha, Mitchell Finer, and David Hallal, ElevateBio operates a portfolio of companies dedicated to creating life-changing medicines. The company collaborates with leading scientists and innovators to build this portfolio and has established a centralized facility that streamlines the transition from research and development to the commercialization of these therapies. This integrated approach enhances efficiency and accelerates the availability of medical products aimed at addressing severe diseases.

Nurix Therapeutics is a biopharmaceutical company specializing in the discovery, development, and commercialization of small molecule therapies aimed at modulating cellular protein levels to treat cancer and immune disorders. The company's pipeline includes promising preclinical candidates such as NX-2127, an orally available Bruton’s tyrosine kinase degrader targeted at relapsed or refractory B-cell malignancies, and NX-1607, a Casitas B-lineage lymphoma proto-oncogene-B inhibitor for immuno-oncology applications. Nurix's innovative drug discovery platform, DELigase, leverages its expertise in E3 ligases—enzymes that regulate protein modulation within cells—to identify and advance novel drug candidates. Founded in 2009 and based in San Francisco, Nurix Therapeutics aims to provide effective therapies for challenging diseases through its cutting-edge research and development efforts.

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.

ElevateBio, LLC is a holding company based in Cambridge, Massachusetts, focused on the development of cell and gene-based therapies for treating cancer and viral infections. Founded in 2017 by Vikas Sinha, Mitchell Finer, and David Hallal, ElevateBio operates a portfolio of companies dedicated to creating life-changing medicines. The company collaborates with leading scientists and innovators to build this portfolio and has established a centralized facility that streamlines the transition from research and development to the commercialization of these therapies. This integrated approach enhances efficiency and accelerates the availability of medical products aimed at addressing severe diseases.

Avidity Biosciences, Inc. is a biotechnology company focused on developing oligonucleotide-based therapies known as antibody oligonucleotide conjugates (AOCs). These innovative therapies aim to address the limitations of traditional oligonucleotide treatments by combining the tissue selectivity of monoclonal antibodies with the precision of oligonucleotide therapies. This approach allows Avidity to target previously undruggable tissue and cell types, thereby addressing the underlying genetic drivers of various diseases. The company's lead product candidate, AOC 1001, is designed to treat myotonic dystrophy type 1, a rare muscle disease. Additionally, Avidity is advancing multiple programs aimed at treating muscle-related conditions such as muscle atrophy, Duchenne muscular dystrophy, facioscapulohumeral muscular dystrophy, and Pompe disease. Founded in 2012 and based in La Jolla, California, Avidity is also exploring therapeutic applications in immune and other cell types.

Omniox is a biopharmaceutical company developing new medicines for hypoxic diseases. Hypoxia, defined as insufficient levels of oxygen in tissues, is known to trigger or impact a range of serious illnesses and conditions including many cancers, cardiovascular diseases, and trauma. At the center of Omniox’ work is a protein-based platform technology (H-NOX), that is engineered to reverse hypoxic disease states by delivering oxygen or nitric oxide preferentially to hypoxic tissues.

Unity Biotechnology designs therapeutics that prevent, halt, and reverse various diseases of aging. The company focuses on clearing senescent cells; and designs senolytic medicines. Its medicines target vulnerabilities unique to senescent cells to clear those cells from the human body while leaving normal cells unaffected.

Codiak is a clinical-stage biopharmaceutical company focused on pioneering the development of exosome-based therapeutics, a new class of medicines with the potential to transform the treatment of a wide spectrum of diseases with high unmet medical need. By leveraging the biology of exosomes as natural intercellular transfer mechanisms, Codiak has developed its proprietary engEx Platform to expand upon the innate properties of exosomes to design, engineer and manufacture novel exosome therapeutic candidates. Codiak has utilized its engEx Platform to generate a deep pipeline of engineered exosomes aimed at treating a broad range of disease areas, spanning oncology, neuro-oncology, neurology, neuromuscular disease and infectious disease.

Kezar Life Sciences, Inc. is a clinical-stage biotechnology company specializing in the discovery and development of small molecule therapeutics aimed at addressing unmet medical needs in autoimmunity and cancer. The company's lead candidate, KZR-616, is a selective immunoproteasome inhibitor currently undergoing Phase 2 clinical trials for various autoimmune conditions, including lupus nephritis and autoimmune hemolytic anemia, as well as Phase 1b/2 trials in systemic lupus erythematosus. In addition to KZR-616, the company is developing KZR-TBD, which targets both oncology and autoimmune disorders. Founded in 2015 and based in South San Francisco, California, Kezar Life Sciences leverages insights from protein homeostasis to advance its drug discovery efforts.

ORIC Pharmaceuticals is a clinical-stage biopharmaceutical company focused on developing therapies to overcome resistance in cancer treatments. Founded in 2014 and based in South San Francisco, the company’s lead product candidate, ORIC-101, is a small molecule antagonist of the glucocorticoid receptor, which is associated with resistance to various cancer therapies in solid tumors. Its second candidate, ORIC-533, is an orally bioavailable small molecule inhibitor of CD73, targeting a critical component of the adenosine pathway linked to resistance against chemotherapy and immunotherapy. In addition to these products, ORIC is advancing multiple precision medicines aimed at addressing other mechanisms of cancer resistance. The company’s founders, Charles Sawyers and Scott Lowe, have extensive experience in identifying novel cancer targets that have led to innovative therapies.

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.

Kezar Life Sciences, Inc. is a clinical-stage biotechnology company specializing in the discovery and development of small molecule therapeutics aimed at addressing unmet medical needs in autoimmunity and cancer. The company's lead candidate, KZR-616, is a selective immunoproteasome inhibitor currently undergoing Phase 2 clinical trials for various autoimmune conditions, including lupus nephritis and autoimmune hemolytic anemia, as well as Phase 1b/2 trials in systemic lupus erythematosus. In addition to KZR-616, the company is developing KZR-TBD, which targets both oncology and autoimmune disorders. Founded in 2015 and based in South San Francisco, California, Kezar Life Sciences leverages insights from protein homeostasis to advance its drug discovery efforts.

Naurex Inc. is a clinical-stage company based in Evanston, Illinois, focused on developing innovative therapies for depression and other central nervous system disorders. The firm is pioneering a new mechanism for modulating the N-methyl-D-aspartic acid receptor (NMDAR), which distinguishes its approach from existing treatments. Researchers at Naurex have developed a new class of drugs known as glycine-site functional partial agonists (GFPAs), designed to safely modulate the NMDAR. The company's drug development pipeline includes its first-generation molecule, GLYX-13, and a second-generation series, NRX-1050, along with additional compounds derived from its platform of novel NMDAR modulators. Naurex aims to address significant unmet needs in psychiatry and neurology through these advancements.

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.