RA Capital

Founded in 2014, Vivace Therapeutics is a biotechnology company based in the San Francisco Bay Area. It focuses on discovering and developing cancer therapeutics by targeting novel pathways, with a particular emphasis on the Hippo pathway which controls tissue regeneration and organ size.

Trace Neuroscience is a biopharmaceutical company dedicated to advancing genetic medicine for patients with neurodegenerative diseases. It specializes in developing targeted antisense oligonucleotide therapies, with its lead product aimed at restoring UNC13A protein function in individuals with Amyotrophic Lateral Sclerosis (ALS) caused by TDP-43 mislocalization. This therapy corrects UNC13A mRNA splicing, potentially improving muscle function and extending survival for these patients.

Aktis Oncology is a biotechnology company developing targeted radiopharmaceuticals for treating various solid tumor cancers. Its proprietary platforms generate tumor-targeting agents with optimal properties for alpha radiotherapy, ensuring high tumor penetration and long residence time to maximize tumor elimination while minimizing side effects.

Superluminal Medicines is a biotechnology company specializing in generative biology and chemistry. It employs a unique platform that combines deep biological and chemical expertise, machine learning, and proprietary big data infrastructure to rapidly generate candidate-ready compounds for drug discovery and development. By integrating high-throughput experimental data with advanced algorithms, the company aims to accelerate the identification and optimization of novel drug candidates, improving efficiency and success rates in small molecule drug development compared to traditional methods.

IDRx is a clinical-stage biopharmaceutical company focused on developing precision therapies for oncology, specifically targeting gastrointestinal stromal tumors. The company specializes in designing precision combination therapies that utilize engineered drug combinations to address key tumor escape mechanisms and enhance the duration of therapeutic responses. Through its innovative approach, IDRx aims to transform cancer treatment by enabling healthcare professionals to create targeted cancer medicines tailored to individual patient needs.

Eliem Therapeutics is a clinical-stage biotechnology company focused on developing treatments for nervous system disorders driven by neuronal hyperexcitability. It leverages neuroscience and translational medicine to advance analgesics and other therapies for conditions such as chronic pain, aiming to deliver best-in-class drug candidates that alleviate suffering and improve function. Founded in 2018 and based in Boston, Eliem concentrates on translating scientific insights into clinical solutions to address unmet medical needs in hyperexcitability disorders.

Eliem Therapeutics is a clinical-stage biotechnology company focused on developing treatments for nervous system disorders driven by neuronal hyperexcitability. It leverages neuroscience and translational medicine to advance analgesics and other therapies for conditions such as chronic pain, aiming to deliver best-in-class drug candidates that alleviate suffering and improve function. Founded in 2018 and based in Boston, Eliem concentrates on translating scientific insights into clinical solutions to address unmet medical needs in hyperexcitability disorders.

Acrivon Therapeutics is a clinical-stage biopharmaceutical company focused on developing precision oncology therapeutics. The company employs a proteomics-based platform to identify patients whose tumors are likely to respond positively to specific treatments, thereby enhancing the effectiveness of its drug development efforts. Acrivon's pipeline features its lead program, ACR-368 (prexasertib), which is currently in Phase 2 trials, alongside several preclinical programs targeting key components of DNA damage response and cell cycle regulation, including WEE1 and PKMYT1. By concentrating on complex oncology drug targets that are often not addressed by traditional therapies, Acrivon aims to expedite the advancement of both in-licensed clinical-stage assets and its internally developed programs through accelerated registration trials.

Avalo Therapeutics is a clinical-stage biopharmaceutical company focused on developing targeted therapeutics for immune dysregulation disorders. Its lead asset, AVTX-009, is an anti-IL-1β monoclonal antibody targeting inflammatory diseases.

Nkarta Therapeutics is a clinical-stage biopharmaceutical company focused on developing allogeneic, off-the-shelf engineered natural killer (NK) cell therapies. The company aims to harness the inherent power of NK cells to target and destroy tumor cells, offering a potent and better-tolerated alternative to traditional T-cell therapies for a broad range of cancer indications.

BioAge Labs develops medicines to treat aging and age-related diseases using its proprietary BioAge platform, which combines systems biology and AI. Its pipeline includes BGE-117 for multiple aging-related conditions, BGE-175 for immune aging and respiratory infections, and azelaprag for obesity in the elderly.

Ventricle Health specializes in remote cardiac care, offering evidence-based therapies, patient monitoring, education, and advocacy services. Its platform connects patients with a network of cardiologists, health coaches, and pharmacists, providing value-based care for chronic cardiac conditions and enabling early disease detection.

Commons Clinic is a multispecialty healthcare provider based in Austin, Texas, founded in 2021. It delivers comprehensive specialty and surgical care for pain, orthopedics, women's health, and men's health. The company also develops a healthcare platform that combines preventive diagnostics with specialist-driven interventions, uniting advanced diagnostics, personalized care pathways, and interventional procedures within an accountable system across musculoskeletal care, women's health, and preventive oncology to support informed clinical decisions and improved patient outcomes.

Mariana Oncology is a biotechnology company focused on developing innovative radiopharmaceuticals aimed at targeting cancer cells with radioactive drugs. The company employs a multidisciplinary approach that includes ligand discovery, radiochemistry, radiobiology, and translational and clinical research in oncology. By building a diverse pipeline of treatments for various solid tumor types, Mariana Oncology seeks to enhance the efficacy of radio medicines in cancer therapy, ultimately aiding medical professionals in their efforts to improve patient outcomes.

Superluminal Medicines is a biotechnology company specializing in generative biology and chemistry. It employs a unique platform that combines deep biological and chemical expertise, machine learning, and proprietary big data infrastructure to rapidly generate candidate-ready compounds for drug discovery and development. By integrating high-throughput experimental data with advanced algorithms, the company aims to accelerate the identification and optimization of novel drug candidates, improving efficiency and success rates in small molecule drug development compared to traditional methods.

Convergent Therapeutics is a biotechnology company developing radiopharmaceutical therapies for prostate cancer. Its proprietary platform links monoclonal antibodies targeting prostate-specific membrane antigen (PSMA) with alpha-emitting radionuclides, enabling precise delivery of radiation to cancer cells while minimizing exposure to healthy tissue.

Orchard Therapeutics is a UK-based biopharmaceutical company dedicated to developing and commercializing innovative gene therapies for rare diseases. Its core focus is autologous ex vivo gene therapy, transforming hematopoietic stem cells into a gene-modified drug product for single-administration treatments. The company's portfolio includes Strimvelis, approved by the EMA in 2016, and several programs in advanced registrational studies across various disease areas.

Avilar Therapeutics is a biopharmaceutical company dedicated to the discovery and development of innovative extracellular protein degraders, representing a new approach in targeted protein degradation. The company has created an integrated discovery platform aimed at extending protein degradation beyond intracellular proteins. Avilar's novel degraders function by binding to disease-causing proteins in circulation and transporting them to the hepatocyte endolysosome, where these unwanted proteins are degraded. This mechanism offers potential therapeutic solutions for the treatment of serious diseases, positioning Avilar Therapeutics at the forefront of advancing medical treatments through targeted protein management.

Incyclix Bio is a biotechnology company based in Durham, North Carolina, focused on developing small molecule inhibitors of cyclin-dependent kinases (CDKs) for the treatment of advanced and resistant cancers. Founded in 2020 by Patrick Roberts, Jay Strum, John Bisi, and Fred Eshelman, the company aims to provide potent and selective inhibition of challenging CDK targets. Incyclix Bio's innovative approach seeks to equip pharmaceutical companies and medical practitioners with novel therapeutic options, enhancing the treatment landscape for cancer patients.

Founded in 2008, Nucleix Ltd. specializes in developing non-invasive molecular diagnostic tests for early cancer detection. Its proprietary tests, Bladder EpiCheck and Lung EpiCheck, identify subtle methylation changes in urine and blood samples respectively.

Pardes Biosciences is a clinical-stage biopharmaceutical company focused on addressing significant health challenges, particularly those posed by viral infections such as COVID-19. Utilizing modern reversible-covalent chemistry, the company is dedicated to discovering and developing novel oral drug candidates. Its lead product, PBI-0451, is an oral antiviral designed to treat and prevent infections caused by SARS-CoV-2, the virus responsible for COVID-19. Pardes Biosciences aims to enhance patient access to effective treatments, catering to both adult and pediatric populations, while striving to provide convenient and accessible options for those affected by life-threatening viral infections. The company is committed to contributing to global health solutions and improving patient outcomes.

Emergence Therapeutics AG is a biopharmaceutical company based in Duisburg, Germany, focused on developing innovative antibody-drug conjugates (ADCs) to address high-need cancers. Established in 2019, the company leverages advanced technologies in antibody design, linker systems, and therapeutic payloads to create targeted treatments. Its lead program specifically targets Nectin-4, a clinically validated marker for various cancers, utilizing a highly specific antibody in combination with optimized linker technology and amanitin as the payload. This approach aims to provide effective therapeutic options for challenging cancer types. Emergence Therapeutics is also exploring opportunities to develop additional first- or best-in-class ADCs to meet unmet medical needs in oncology.

Mariana Oncology is a biotechnology company focused on developing innovative radiopharmaceuticals aimed at targeting cancer cells with radioactive drugs. The company employs a multidisciplinary approach that includes ligand discovery, radiochemistry, radiobiology, and translational and clinical research in oncology. By building a diverse pipeline of treatments for various solid tumor types, Mariana Oncology seeks to enhance the efficacy of radio medicines in cancer therapy, ultimately aiding medical professionals in their efforts to improve patient outcomes.

Avilar Therapeutics is a biopharmaceutical company dedicated to the discovery and development of innovative extracellular protein degraders, representing a new approach in targeted protein degradation. The company has created an integrated discovery platform aimed at extending protein degradation beyond intracellular proteins. Avilar's novel degraders function by binding to disease-causing proteins in circulation and transporting them to the hepatocyte endolysosome, where these unwanted proteins are degraded. This mechanism offers potential therapeutic solutions for the treatment of serious diseases, positioning Avilar Therapeutics at the forefront of advancing medical treatments through targeted protein management.

Acrivon Therapeutics is a clinical-stage biopharmaceutical company focused on developing precision oncology therapeutics. The company employs a proteomics-based platform to identify patients whose tumors are likely to respond positively to specific treatments, thereby enhancing the effectiveness of its drug development efforts. Acrivon's pipeline features its lead program, ACR-368 (prexasertib), which is currently in Phase 2 trials, alongside several preclinical programs targeting key components of DNA damage response and cell cycle regulation, including WEE1 and PKMYT1. By concentrating on complex oncology drug targets that are often not addressed by traditional therapies, Acrivon aims to expedite the advancement of both in-licensed clinical-stage assets and its internally developed programs through accelerated registration trials.

Antios Therapeutics, Inc. is a biopharmaceutical company based in Atlanta, Georgia, focused on developing innovative therapies for viral diseases. Founded in 2018 by Abel De La Rosa, Douglas Mayers, and Idean Marvasty, the company is dedicated to addressing the needs of patients infected with Hepatitis B and Hepatitis D viruses. Its lead product, ATI-2173, is an oral drug candidate aimed at providing a potentially curative treatment for Hepatitis B virus infections. With a leadership team that brings a wealth of experience, Antios Therapeutics is committed to advancing its therapeutic solutions in the field of viral diseases.

Cedilla Therapeutics, Inc. is a biotechnology company focused on developing targeted small-molecule therapeutics for cancer and diseases linked to protein dysregulation. The company employs innovative strategies to destabilize oncoprotein targets, utilizing methods such as direct ligand-induced degradation, disruption of stabilizing protein-protein interactions, and the identification of upstream regulators that affect protein stability. Cedilla's comprehensive approach also includes large-scale proteomic analyses to map protein susceptibility, enhancing the potential for effective therapies. By concentrating on the transitions between stable and susceptible protein states, Cedilla aims to create novel treatments that broaden the applicability of small molecule therapeutics beyond oncology. Founded in 2017 and headquartered in Cambridge, Massachusetts, the company was formerly known as Protein Stability Newco, Inc. before rebranding in 2018.

GentiBio, Inc. is a biotherapeutics company that specializes in developing engineered regulatory T cells, known as EngTregs, aimed at treating autoimmune, alloimmune, autoinflammatory, and allergic diseases. Founded in 2020 and headquartered in Boston, Massachusetts, with additional locations in Israel and Seattle, Washington, GentiBio employs a proprietary platform that combines autologous and allogeneic technologies. This platform enhances the ability to restore immune tolerance and addresses significant limitations found in existing regulatory T-cell therapeutics. By focusing on the underlying mechanisms of immune system disorders, GentiBio aims to provide innovative therapeutic solutions that tackle the root causes of diseases caused by dysregulated immune responses. The company is co-founded by experts in Treg biology and synthetic immunology, positioning it at the forefront of advanced immunotherapy development.

Eliem Therapeutics is a clinical-stage biotechnology company focused on developing treatments for nervous system disorders driven by neuronal hyperexcitability. It leverages neuroscience and translational medicine to advance analgesics and other therapies for conditions such as chronic pain, aiming to deliver best-in-class drug candidates that alleviate suffering and improve function. Founded in 2018 and based in Boston, Eliem concentrates on translating scientific insights into clinical solutions to address unmet medical needs in hyperexcitability disorders.

Antios Therapeutics, Inc. is a biopharmaceutical company based in Atlanta, Georgia, focused on developing innovative therapies for viral diseases. Founded in 2018 by Abel De La Rosa, Douglas Mayers, and Idean Marvasty, the company is dedicated to addressing the needs of patients infected with Hepatitis B and Hepatitis D viruses. Its lead product, ATI-2173, is an oral drug candidate aimed at providing a potentially curative treatment for Hepatitis B virus infections. With a leadership team that brings a wealth of experience, Antios Therapeutics is committed to advancing its therapeutic solutions in the field of viral diseases.

Founded in 2008, Nucleix Ltd. specializes in developing non-invasive molecular diagnostic tests for early cancer detection. Its proprietary tests, Bladder EpiCheck and Lung EpiCheck, identify subtle methylation changes in urine and blood samples respectively.

Eliem Therapeutics is a clinical-stage biotechnology company focused on developing treatments for nervous system disorders driven by neuronal hyperexcitability. It leverages neuroscience and translational medicine to advance analgesics and other therapies for conditions such as chronic pain, aiming to deliver best-in-class drug candidates that alleviate suffering and improve function. Founded in 2018 and based in Boston, Eliem concentrates on translating scientific insights into clinical solutions to address unmet medical needs in hyperexcitability disorders.

Orchard Therapeutics is a UK-based biopharmaceutical company dedicated to developing and commercializing innovative gene therapies for rare diseases. Its core focus is autologous ex vivo gene therapy, transforming hematopoietic stem cells into a gene-modified drug product for single-administration treatments. The company's portfolio includes Strimvelis, approved by the EMA in 2016, and several programs in advanced registrational studies across various disease areas.

Founded in 2014, Vivace Therapeutics is a biotechnology company based in the San Francisco Bay Area. It focuses on discovering and developing cancer therapeutics by targeting novel pathways, with a particular emphasis on the Hippo pathway which controls tissue regeneration and organ size.

Locanabio is a biotechnology company developing RNA-targeted gene therapies for underserved diseases, with a focus on neuromuscular, neurodegenerative, and retinal conditions. It employs an RNA-targeting platform to modify disease-causing RNA and correct aberrant transcripts, offering therapies distinct from DNA-based approaches. The company identifies target RNA sequences within transcripts and programs therapies to advance candidates for rare genetic neuromuscular, neurodegenerative, and retinal diseases. Located in San Diego, Locanabio aims to translate RNA-directed interventions into treatments for patients with severe conditions.

Founded in 2011, Adagio Medical specializes in the research, development, and manufacturing of medical devices for treating cardiac arrhythmias. Its primary product is the iCLAS (continuous lesion ablation system), along with associated catheters, esophageal balloons, and consoles.

GentiBio, Inc. is a biotherapeutics company that specializes in developing engineered regulatory T cells, known as EngTregs, aimed at treating autoimmune, alloimmune, autoinflammatory, and allergic diseases. Founded in 2020 and headquartered in Boston, Massachusetts, with additional locations in Israel and Seattle, Washington, GentiBio employs a proprietary platform that combines autologous and allogeneic technologies. This platform enhances the ability to restore immune tolerance and addresses significant limitations found in existing regulatory T-cell therapeutics. By focusing on the underlying mechanisms of immune system disorders, GentiBio aims to provide innovative therapeutic solutions that tackle the root causes of diseases caused by dysregulated immune responses. The company is co-founded by experts in Treg biology and synthetic immunology, positioning it at the forefront of advanced immunotherapy development.

Lyra Therapeutics is a clinical-stage therapeutics company focused on the development and commercialization of localized treatments for ear, nose, and throat diseases. Its XTreo platform is designed to deliver medicines directly to affected tissue for sustained effect with a single administration. The company’s initial product candidates, LYR-210 and LYR-220, are bioresorbable polymeric matrices intended for in-office administration to provide up to six months of continuous therapy to the sinonasal passages for chronic rhinosinusitis, with mometasone furoate as the active ingredient. Founded in 2005 and headquartered in Watertown, Massachusetts.

Nkarta Therapeutics is a clinical-stage biopharmaceutical company focused on developing allogeneic, off-the-shelf engineered natural killer (NK) cell therapies. The company aims to harness the inherent power of NK cells to target and destroy tumor cells, offering a potent and better-tolerated alternative to traditional T-cell therapies for a broad range of cancer indications.

Inozyme Pharma, Inc. is a biopharmaceutical company focused on developing therapies for rare diseases related to abnormal mineralization affecting the vasculature, soft tissue, and skeletal systems. The company's lead product candidate, INZ-701, is a recombinant protein designed to treat rare genetic conditions caused by ENPP1 and ABCC6 deficiencies, as well as calciphylaxis. Inozyme's therapies aim to address the underlying causes of these debilitating diseases, providing potentially disease-modifying treatments for conditions such as Generalized Arterial Calcification of Infancy and Autosomal Recessive Hypophosphatemic Rickets Type 2. The company has a licensing agreement with Yale University for certain therapeutic applications and is headquartered in Boston, Massachusetts. Established in 2015, Inozyme is dedicated to improving the quality of life for patients affected by severe metabolic disorders associated with mineral imbalances.

Eliem Therapeutics is a clinical-stage biotechnology company focused on developing treatments for nervous system disorders driven by neuronal hyperexcitability. It leverages neuroscience and translational medicine to advance analgesics and other therapies for conditions such as chronic pain, aiming to deliver best-in-class drug candidates that alleviate suffering and improve function. Founded in 2018 and based in Boston, Eliem concentrates on translating scientific insights into clinical solutions to address unmet medical needs in hyperexcitability disorders.

Sojournix Inc., established in 2016 and headquartered in Waltham, Massachusetts, is a clinical-stage biopharmaceutical company dedicated to developing novel therapies for women's health and neuroendocrine disorders. Its primary focus is SJX-653, a selective neurokinin-3 (NK3) antagonist, designed as a non-hormonal treatment option for moderate to severe vasomotor symptoms associated with menopause.

Lyra Therapeutics is a clinical-stage therapeutics company focused on the development and commercialization of localized treatments for ear, nose, and throat diseases. Its XTreo platform is designed to deliver medicines directly to affected tissue for sustained effect with a single administration. The company’s initial product candidates, LYR-210 and LYR-220, are bioresorbable polymeric matrices intended for in-office administration to provide up to six months of continuous therapy to the sinonasal passages for chronic rhinosinusitis, with mometasone furoate as the active ingredient. Founded in 2005 and headquartered in Watertown, Massachusetts.

Orchard Therapeutics is a UK-based biopharmaceutical company dedicated to developing and commercializing innovative gene therapies for rare diseases. Its core focus is autologous ex vivo gene therapy, transforming hematopoietic stem cells into a gene-modified drug product for single-administration treatments. The company's portfolio includes Strimvelis, approved by the EMA in 2016, and several programs in advanced registrational studies across various disease areas.

Precision BioSciences, founded in 2006, is a biotechnology company headquartered in Durham, North Carolina. It specializes in genome editing, developing therapeutic products using its proprietary ARCUS technology. The company focuses on creating allogeneic CAR T immunotherapies to treat cancers like acute lymphoblastic leukemia and non-hodgkin lymphoma, as well as genetic disorders.

Calimmune is a clinical-stage gene therapy company focused on HIV, developing cell-based therapies to protect individuals with HIV from progression to AIDS. Its lead candidate, Cal-1, is a gene-based therapy designed to modify immune cells to reduce HIV entry and replication by lowering CCR5 and preventing viral fusion, with activity demonstrated in preclinical studies and evaluated in Phase I/II trials. The company is based in Tucson, Arizona, and aims to address HIV at various stages of infection and treatment history by delivering durable cellular therapies that strengthen the immune system.

Precision BioSciences, founded in 2006, is a biotechnology company headquartered in Durham, North Carolina. It specializes in genome editing, developing therapeutic products using its proprietary ARCUS technology. The company focuses on creating allogeneic CAR T immunotherapies to treat cancers like acute lymphoblastic leukemia and non-hodgkin lymphoma, as well as genetic disorders.

Lumena Pharmaceuticals is a clinical-stage biopharmaceutical company focused on developing oral therapeutics for rare liver diseases, particularly cholestatic liver disease. Its lead candidate, LUM001, targets a specific transporter in the intestine, which reduces the risk of systemic toxicities by being minimally absorbed in the body. LUM001 has been extensively studied across 12 clinical trials involving over 1,400 subjects, positioning it for rapid advancement in both pediatric and adult patients. While Lumena's primary objective is to provide novel treatments for rare liver diseases, its therapeutic approach also holds potential for addressing metabolic diseases affecting the liver, which are increasingly recognized as significant health concerns in both children and adults.

OvaScience, Inc. is a fertility company focused on discovering and commercializing innovative treatment options for women experiencing infertility. Founded in 2011 and headquartered in Waltham, Massachusetts, OvaScience developed proprietary technology based on the identification of egg precursor (EggPC) cells, enabling new approaches to fertility treatments. Its key offerings include OvaPrime, which aims to restore a woman's natural egg production by utilizing her own EggPC cells; OvaTure, which matures these cells into fertilizable eggs outside the body without hormone stimulation; and AUGMENT, which enhances fertilization and pregnancy rates using mitochondria from the woman’s EggPC cells. The company’s technology is exclusively licensed from Harvard Medical School and Massachusetts General Hospital, and it has been supported by a team of experts in reproductive science and embryology. OvaScience was initially known as Ovastem, Inc. before rebranding in 2011. In December 2018, OvaScience was acquired by Millendo Therapeutics, marking a significant shift in its operational focus.

Allegiance Hospice Group specializes in providing hospice care to patients in the Merrimack Valley and Southeastern Massachusetts. The organization employs an interdisciplinary team that includes physicians, nurses, home healthcare aides, social workers, mental health workers, counselors, and volunteers. This team delivers comprehensive palliative care to individuals with terminal illnesses, ensuring that patients receive the necessary support and treatment to manage their conditions effectively. Allegiance Hospice is committed to enhancing the quality of life for its patients through compassionate care tailored to their specific needs.