Arbor Biotechnologies
Series C in 2025
Arbor Biotechnologies, Inc., founded in 2016 and headquartered in Cambridge, Massachusetts, operates as a bio-discovery company in the biotechnology sector. The company focuses on developing genomic tools that enhance human health and sustainability. Utilizing a combination of artificial intelligence, genome sequencing, gene synthesis, and high-throughput screening, Arbor's platform accelerates the discovery of proteins and facilitates human diagnostic development. The technology aggregates genomic sequence data through AI and machine learning, enabling drug developers to replace entire genes and precisely correct mutations. This approach aims to streamline the development of curative treatments for previously incurable genetic diseases, ultimately improving the lives of patients affected by such conditions.
Lexeo Therapeutics
Post in 2024
Lexeo Therapeutics is a fully integrated biotechnology company focused on developing adeno-associated virus (AAV)-mediated gene therapies. Its lead programs target both rare and non-rare monogenic diseases, with a preclinical pipeline that spans monogenic, hereditary, and acquired conditions across populations with unmet medical need. The company aims to advance clinical programs toward commercialization while maintaining an ongoing research collaboration with Weill Cornell Medicine’s Department of Genetic Medicine to inform and accelerate its preclinical and clinical work. By leveraging AAV-based approaches and collaborations, Lexeo Therapeutics seeks to transform treatment options for patients with genetic and complex diseases.
Quanta Therapeutics
Series D in 2023
Quanta Therapeutics is a biotechnology company focused on developing novel cancer therapeutic candidates. It specializes in allosteric modulation to directly inhibit RAS-driven cancer types by restoring conformational control of active RAS signaling at the cell membrane.
Founded in 2018, Neuron23 is a biotechnology company based in South San Francisco, California, with an additional office in Munich, Germany. It specializes in developing and manufacturing medicines for genetic disorders using artificial intelligence technology and genetics.
Metagenomi
Series B in 2022
Metagenomi is a genetic medicines company headquartered in Emeryville, California. It leverages metagenomics and machine learning to discover novel genome editing systems from diverse organisms, then convert these natural systems into compact, highly efficient, and specific tools aimed at reducing immune responses. The company maintains a proprietary, metagenomics-derived genome editing toolbox that includes programmable nucleases, base editors, small RNA-mediated integration systems (RIGS), large template RIGS, and CRISPR-associated transposases (CASTs). Its development focus is in vivo gene editing with a wholly owned pipeline, while exploring technology out-licensing for ex vivo cell therapies to pursue curative therapeutics for genetic diseases.
Korro Bio
Series B in 2022
Korro Bio Inc., established in 2018 and headquartered in Cambridge, Massachusetts, specializes in developing nucleic acid-based therapeutics targeting specific sequences in genetic code to treat rare diseases. The company's proprietary platform enables efficient and selective RNA editing, leveraging natural processes common to all multicellular organisms. Korro Bio aims to advance this technology to effect changes in protein structure and function across multiple tissues, expanding the reach of genetic medicines with additional precision and tunability by editing RNA instead of DNA.
Arbor Biotechnologies
Series B in 2021
Arbor Biotechnologies, Inc., founded in 2016 and headquartered in Cambridge, Massachusetts, operates as a bio-discovery company in the biotechnology sector. The company focuses on developing genomic tools that enhance human health and sustainability. Utilizing a combination of artificial intelligence, genome sequencing, gene synthesis, and high-throughput screening, Arbor's platform accelerates the discovery of proteins and facilitates human diagnostic development. The technology aggregates genomic sequence data through AI and machine learning, enabling drug developers to replace entire genes and precisely correct mutations. This approach aims to streamline the development of curative treatments for previously incurable genetic diseases, ultimately improving the lives of patients affected by such conditions.
Quanta Therapeutics
Series C in 2021
Quanta Therapeutics is a biotechnology company focused on developing novel cancer therapeutic candidates. It specializes in allosteric modulation to directly inhibit RAS-driven cancer types by restoring conformational control of active RAS signaling at the cell membrane.
Larimar Therapeutics
Post in 2021
Larimar Therapeutics is a clinical-stage biotechnology company dedicated to developing treatments for complex rare diseases. Its lead compound, CTI-1601, is currently in Phase 1 clinical trials as a potential treatment for Friedreich's ataxia, a rare and progressive genetic disease.
Gennao Bio
Series A in 2021
Gennao Bio is a privately held company focused on developing innovative targeted nucleic acid therapeutics, primarily aimed at treating oncology and rare monogenic skeletal muscle diseases. The company utilizes its proprietary gene monoclonal antibody (GMAB) platform technology, which features a novel, cell-penetrating antibody that facilitates the non-covalent binding and delivery of various nucleic acid payloads to specific cells. This non-viral delivery system stands out from traditional gene therapy methods by allowing for multiple types of nucleic acids, enabling repeat dosing, and employing established manufacturing processes. Gennao Bio's approach aims to address significant unmet medical needs and improve patient outcomes in the relevant therapeutic areas.
Forge Biologics
Series B in 2021
Forge Biologics, Inc. is a contract development and manufacturing organization (CDMO) specializing in gene therapies and genetic medicines. Founded in 2019 and based in Columbus, Ohio, the company focuses on developing and manufacturing therapeutics, particularly for viral vector gene therapies aimed at treating genetic diseases. Notably, it offers a novel approach combining adeno-associated virus (AAV) and umbilical cord transplant to address infantile Krabbe disease, a severe neurodegenerative disorder. Additionally, Forge Biologics collaborates with scientists, physicians, biotech and pharmaceutical companies, and patient groups to facilitate the progression of gene therapy programs from preclinical development through to clinical and commercial-scale manufacturing. The company is committed to enabling access to transformative medicines for patients suffering from rare genetic diseases.
Graphite Bio
Series B in 2021
Graphite Bio is a clinical-stage gene editing company focused on targeted DNA integration to treat serious diseases. Its platform aims to precisely insert, repair, or replace genetic sequences by integrating therapeutic cargoes at predefined genomic locations, enabling correction of mutations or replacement of disease-causing genes while preserving normal regulatory control. Based in South San Francisco, the company pursues high-efficiency precision gene editing to address underlying causes of disease.
DTx Pharma
Series B in 2021
DTx Pharma, LLC is a biotechnology company headquartered in San Diego, California, specializing in the development and commercialization of fatty acid-conjugated peptide therapeutics. Founded in 2017, the company focuses on delivering RNA-based medicines to treat patients with rare and chronic diseases, including retinitis pigmentosa, Duchenne muscular dystrophy, and various central nervous system disorders. DTx Pharma's innovative delivery technology addresses challenges faced by previous-generation platforms, such as poor pharmacokinetics and limited cellular uptake, thereby enhancing the efficiency of nucleic acid drug delivery across diverse tissues and cell types. The company aims to establish RNA therapeutics as a leading option for personalized treatment in multiple therapeutic areas.
Orchard Therapeutics
Post in 2021
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.
Design Therapeutics
Series B in 2021
Design Therapeutics, Inc. is a clinical-stage biotechnology company headquartered in Solana Beach, California, focused on developing innovative therapies for serious degenerative disorders caused by nucleotide repeat expansions. The company specializes in a novel class of small-molecule gene-targeted chimera therapeutics known as GeneTACTM molecules, which aim to modify disease progression by addressing the root causes of these conditions. Its lead program targets Friedreich’s ataxia, while additional efforts are directed toward conditions such as Fuchs endothelial corneal dystrophy and other degenerative diseases like Fragile X syndrome and myotonic dystrophy. Since its incorporation in 2017, Design Therapeutics has been dedicated to advancing its therapeutic candidates to potentially transform treatment options for patients suffering from these inherited disorders.
Vera Therapeutics
Series C in 2021
Vera Therapeutics, Inc. is a biotechnology company based in South San Francisco, California, founded in 2016 and formerly known as Trucode Gene Repair, Inc. The company focuses on developing innovative biologic therapeutics with the potential to transform treatment for patients suffering from serious immunological diseases and genetic disorders. Its lead product candidate, atacicept, is a fusion protein administered as a subcutaneous injection once weekly, designed to inhibit factors that stimulate the production of autoantibodies associated with autoimmune diseases. Additionally, Vera Therapeutics is utilizing gene-editing technology aimed at addressing conditions such as sickle cell disease and cystic fibrosis, striving to enhance gene detection and regulation for improved patient outcomes.
Verve Therapeutics
Series B in 2021
Verve Therapeutics is a biotechnology company developing genetic medicines for cardiovascular disease, aiming to transform treatment from chronic management to single-course gene editing therapies. It leverages human genetics analysis and gene-editing technology, with expertise in cardiovascular medicine, human genetics, gene editing, delivery technologies, drug development, and commercialization.
Immuneering
Venture Round in 2021
Immuneering Corporation is a biotechnology company based in Cambridge, Massachusetts, with an additional office in New York, New York. Founded in 2008, it specializes in genetic, genomic, and proteomic data analysis for pharmaceutical clients, aiming to enhance the clinical and commercial success of medicines. The company utilizes advanced techniques such as gene expression analysis, proteomics, and next-generation sequencing to uncover biological insights that inform drug development. Immuneering's expertise in translational bioinformatics is applied throughout the drug development process, particularly for oncologic and neurologic diseases, and is integral to its proprietary computational platform, known as Disease Cancelling Technology. This platform supports drug discovery initiatives and provides computational biology services to both pharmaceutical and biotechnology companies, contributing to the creation of therapies for serious illnesses, including cancer and autoimmune diseases.
Founded in 2018, Neuron23 is a biotechnology company based in South San Francisco, California, with an additional office in Munich, Germany. It specializes in developing and manufacturing medicines for genetic disorders using artificial intelligence technology and genetics.
Decibel Therapeutics
Series D in 2020
Decibel Therapeutics, Inc. is a clinical-stage biotechnology company focused on discovering and developing innovative therapies aimed at protecting, repairing, and restoring hearing. The company addresses various hearing disorders, including those related to pediatric cancers, cystic fibrosis, noise exposure, age-related and genetic hearing loss, as well as conditions characterized by persistent tinnitus. Decibel Therapeutics employs a multifaceted approach that includes drug delivery to the inner ear, advanced imaging techniques, and pharmacokinetic and pharmacodynamic modeling. The company leverages its expertise in inner ear biology, single-cell genomics, and bioinformatics to develop effective treatments for hearing loss and related disorders. Established in 2013 and headquartered in Boston, Massachusetts, Decibel Therapeutics was originally known as Hearing, Inc. before rebranding in 2014.
ESCAPE Bio
Venture Round in 2020
ESCAPE Bio is a clinical-stage biopharmaceutical company focused on discovering and developing small molecule therapies for genetically defined subpopulations affected by neurodegenerative diseases. Founded in 2015 and based in South San Francisco, California, the company aims to improve the lives of patients suffering from conditions such as Alzheimer's disease, Parkinson's disease, and sphingolipid storage disorders. ESCAPE Bio's pipeline includes innovative candidates like ESB1609, a small molecule S1P5 receptor agonist targeting CNS lysosomal storage disorders, and ESB5070, a kinase inhibitor specifically designed for Parkinson's patients with the LRRK2 G2019S variant. Additionally, the company is developing a program aimed at addressing the needs of Alzheimer's patients who carry the ApoE4 risk allele. Through its precision-targeted approach, ESCAPE Bio seeks to provide effective treatment options for individuals with these complex genetic profiles.
Korro Bio
Series A in 2020
Korro Bio Inc., established in 2018 and headquartered in Cambridge, Massachusetts, specializes in developing nucleic acid-based therapeutics targeting specific sequences in genetic code to treat rare diseases. The company's proprietary platform enables efficient and selective RNA editing, leveraging natural processes common to all multicellular organisms. Korro Bio aims to advance this technology to effect changes in protein structure and function across multiple tissues, expanding the reach of genetic medicines with additional precision and tunability by editing RNA instead of DNA.
Kronos Bio
Private Equity Round in 2020
Kronos Bio, Inc. is a clinical-stage biopharmaceutical company based in San Mateo, California, focused on the discovery and development of innovative cancer therapeutics. Established in 2017, the company aims to address historically challenging cancer targets through precision medicine. Its primary product candidates include entospletinib, a selective inhibitor of spleen tyrosine kinase intended for acute myeloid leukemia patients, and KB-0742, an orally bioavailable inhibitor of cyclin-dependent kinase 9 for treating MYC-amplified solid tumors. Kronos Bio employs advanced technologies, such as high-throughput small-molecule microarrays and targeted protein degradation, to identify potent and selective compounds that target dysregulated transcription factors and other key drivers of oncogenic signaling.
Dyne Therapeutics
Series B in 2020
Dyne Therapeutics is a clinical-stage biotechnology company developing therapies for genetically driven neuromuscular diseases. It aims to deliver disease-modifying therapeutics to skeletal, cardiac, and smooth muscle, addressing conditions such as muscular dystrophies and other muscle disorders. The company uses the FORCE platform to create targeted therapeutics with payloads designed to address the disease gene, connected via a linker to an antigen-binding fragment, enabling delivery to muscle tissue and the central nervous system. Its pipeline includes DYNE-101, DYNE-251, DYNE-302, and DYNE-401. Headquartered in Waltham, Massachusetts.
Akouos is a biotechnology company focused on precision genetic medicine to restore and preserve hearing. Based in Boston, it develops gene therapies using a proprietary adeno-associated viral vector platform and delivery approaches to treat sensorineural hearing loss in genetically defined populations. The company's lead program, AK-OTOF, targets hearing loss caused by mutations in the OTOF gene. Akouos pursues research and development across gene-based interventions aimed at improving auditory function and long-term sensory outcomes. It has collaborations with academic and industry partners, including Massachusetts Eye and Ear and Lonza, to advance discovery and manufacturing capabilities. Founded in 2016, Akouos addresses unmet clinical needs in auditory health by seeking to restore physiologic hearing through targeted genetic therapies.
Allogene Therapeutics
Convertible Note in 2018
Allogene Therapeutics is a clinical-stage biotech company focused on immuno-oncology, developing genetically engineered allogeneic T-cell therapies for cancer. The company builds a pipeline of off-the-shelf donor-derived CAR-T products using gene-editing and proprietary cell-manufacturing technologies to enable broader patient eligibility and scalable production. Its programs include UCART19 for relapsed or refractory acute lymphoblastic leukemia and other allogeneic CAR-T candidates targeting lymphoma, leukemia, autoimmune diseases, and solid tumors. Revenue is primarily generated from collaborations and licensing agreements.
Lexeo Therapeutics is a fully integrated biotechnology company focused on developing adeno-associated virus (AAV)-mediated gene therapies. Its lead programs target both rare and non-rare monogenic diseases, with a preclinical pipeline that spans monogenic, hereditary, and acquired conditions across populations with unmet medical need. The company aims to advance clinical programs toward commercialization while maintaining an ongoing research collaboration with Weill Cornell Medicine’s Department of Genetic Medicine to inform and accelerate its preclinical and clinical work. By leveraging AAV-based approaches and collaborations, Lexeo Therapeutics seeks to transform treatment options for patients with genetic and complex diseases.