Alexandria Venture Investments

Leal Therapeutics is a Massachusetts-based company focused on developing innovative therapeutics aimed at addressing significant and unmet needs in central nervous system disorders. By leveraging precision medicine, Leal Therapeutics seeks to provide effective treatment options for patients suffering from various neurological conditions. The company's commitment to advancing therapeutic solutions is reflected in its dedication to improving patient outcomes through targeted interventions.

Delphia Therapeutics, headquartered in Boston, USA, is a biotechnology company focused on cancer therapeutics. It operates a laboratory dedicated to studying cancer-driving pathways and developing treatments that target and over-activate specific cancer-linked cell signaling, ultimately leading to the death of tumor cells.

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.

CIBO Technologies, Inc. is a company that specializes in developing software products to model and simulate agricultural ecosystems, aimed at enhancing sustainable practices in agriculture. Its key offerings include Continuum DB, a distributed database for spatio-temporal modeling; BarnCAT, a computational agronomy toolkit; WhetherRain, an integrated weather simulation tool; and DirtPatch, a platform for environmental reconstruction. Additionally, CIBO provides TerraFarm for planetary-scale simulations and the Land Intelligence platform, which generates insights on agricultural parcels while offering access to publicly available data for various stakeholders in the agriculture sector. The company's solutions are designed to support a wide range of crops and serve multiple industries, including farm services, agribusiness, and sustainability. Founded in 2014 and based in Cambridge, Massachusetts, with additional offices in Saint Louis, East Lansing, and Minneapolis, CIBO aims to advance food system resilience and improve grower outcomes in the face of climate change.

Ring Therapeutics is a biotechnology company developing gene therapies using Anellovector, a redosable and targetable DNA therapy platform based on the biology of the human commensal virome. The platform aims to address limitations of current DNA therapies, including limited tissue access, inability to redose, potential genomic integration, and tolerability concerns. Founded in 2017 and based in Cambridge, Massachusetts, Ring Therapeutics was established by Flagship Pioneering to pursue a multi-product platform. It focuses on discovering and developing Anellovector therapeutics to unlock the full potential of gene therapy, moving beyond gene replacement to a broader set of modalities and mechanisms. The approach targets disease sites with tissue and cellular specificity, aiming to treat conditions across genetic disorders, ophthalmology, oncology, and metabolic disorders and to expand therapeutic options for previously inaccessible diseases.

Senda Biosciences, founded in 2017 by David Kolesky, Ignacio Martinez, and John Casey in Cambridge, Massachusetts, focuses on developing therapeutic applications for innovative treatments of human diseases. The company specializes in studying the molecular relationships between bacterial, botanical, and human cells to understand how these interactions influence health and disease. By gaining insights into these interspecies connections, Senda Biosciences aims to create novel categories of medicines and delivery methods, providing medical professionals with new tools to combat various illnesses.

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.

ROME Therapeutics, Inc. is a biotechnology company based in Cambridge, Massachusetts, focused on developing innovative therapies for cancer and autoimmune diseases. Founded in 2019, the company utilizes the repeatome, which encompasses extensive segments of genetic material previously regarded as "junk DNA," to identify new drug targets and advance multiple discovery programs. ROME Therapeutics has assembled a team of experts in oncology, immunology, virology, and machine learning to drive its research and development efforts, aiming to harness this uncharted area of biology for effective treatments. Through its work, ROME seeks to provide healthcare professionals with powerful new options for addressing complex medical challenges.

Disc Medicine is a clinical-stage biopharmaceutical company focused on developing innovative treatments for patients with severe hematologic disorders. Its pipeline includes therapies targeting erythropoietic porphyrias, Diamond-Blackfan Anemia, anemia of myelofibrosis and chronic kidney disease, as well as polycythemia vera.

Axonis Therapeutics is a biotechnology company focused on neurological disorders. It develops medicines targeting KCC2, a critical mediator of inhibition within the brain, using a proprietary neuron-specific K-Cl cotransporter (KCC2) discovery engine. The company aims to improve lives by treating conditions such as epilepsy and pain.

Senda Biosciences, founded in 2017 by David Kolesky, Ignacio Martinez, and John Casey in Cambridge, Massachusetts, focuses on developing therapeutic applications for innovative treatments of human diseases. The company specializes in studying the molecular relationships between bacterial, botanical, and human cells to understand how these interactions influence health and disease. By gaining insights into these interspecies connections, Senda Biosciences aims to create novel categories of medicines and delivery methods, providing medical professionals with new tools to combat various illnesses.

Invaio Sciences is a multi-platform technology company focused on solving agriculture, nutrition, and environmental challenges by applying advanced science to understand the physiology of insects and the interdependent natural systems that shape crop health. Headquartered in Cambridge, Massachusetts, with additional locations in Durham, North Carolina; Basel, Switzerland; and São Paulo, Brazil, the company develops technologies to reduce pesticide use, conserve water, and improve crop health, while pursuing breakthrough solutions across agriculture, human health, animal nutrition, and animal health.

Alloy Therapeutics is a biotechnology company based in Waltham, Massachusetts, founded in 2017. The company focuses on democratizing access to essential drug discovery platforms and services, primarily through its Alloy-Gx platform. This innovative platform features a royalty-free suite of immunocompetent transgenic mice that facilitate in vivo human antibody discovery. Alloy Therapeutics has developed humanized transgenic antibody discovery technology, which offers broad, non-exclusive access to drug discovery tools, allowing scientists to engage in their antibody projects more efficiently and effectively. The company's mission is to enhance the drug discovery process by providing accessible and advanced resources for researchers in the field.

Faze Medicines is a biotechnology company focused on developing small molecule therapies that target biomolecular condensates to address the underlying biology of disease. It uses screening and proteomics to define condensate interaction networks and identify therapeutic candidates aimed at cellular mechanisms implicated in conditions such as amyotrophic lateral sclerosis and myotonic dystrophy type 1, with research extending to other diseases including frontotemporal dementia. Founded in 2020 and based in Cambridge, Massachusetts.

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.

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.

Frequency Therapeutics, Inc. is a clinical-stage biotechnology company dedicated to repairing or reversing damage caused by degenerative diseases through its innovative Progenitor Cell Activation approach. This method utilizes a combination of small molecules to activate progenitor cells in the body, which facilitates the creation of functional tissue without the complexities of genetic engineering. The company’s lead product candidate, FX-322, is currently undergoing phase 2a clinical trials aimed at treating the underlying causes of sensorineural hearing loss. In addition to FX-322, Frequency Therapeutics is exploring treatments for various degenerative conditions, including multiple sclerosis and diseases affecting muscle, the gastrointestinal tract, skin, and bone. Established in 2014 and based in Woburn, Massachusetts, Frequency Therapeutics has established a collaboration agreement with Astellas Pharma Inc. for the development and commercialization of FX-322.

Vor Biopharma develops innovative cancer therapies focused on engineered hematopoietic stem cells (eHSCs). Its lead product candidate, VOR33, is designed to treat acute myeloid leukemia by generating healthy cells resistant to targeted immunotherapies. Incorporated in 2015, the company is based in Cambridge, Massachusetts.

Founded in 2014, Compass Therapeutics is a clinical-stage biopharmaceutical company developing antibody therapeutics to treat solid tumors and hematological malignancies. Its pipeline includes CTX-471, an agonistic antibody of CD137 for immune cell activation, currently in Phase I trials; CTX-8371, a bispecific antibody targeting PD-1 and PD-L1, in IND-enabling studies; and CTX-009, a bispecific antibody inhibiting DLL4 and VEGF-A signaling, completed Phase I and is in Phase Ib combination with chemotherapy.

Founded in 2019 and based in Cambridge, Massachusetts, MoMa Therapeutics discovers precision medicines by targeting molecular machines underlying human diseases. The company's platform enables drug development from previously intractable enzyme classes.

Affinia Therapeutics develops adeno-associated virus (AAV) gene therapies for muscular and central nervous system diseases. The company uses an AAV vector design platform built on synthetic and systems biology, high-throughput screening, and tissue- and single-cell-resolution analyses to create vectors with improved properties. It leverages sequencing, artificial intelligence, and structural modeling to enable rational design of therapies. Headquartered in Waltham, Massachusetts, Affinia Therapeutics was founded in 2019 and targets diseases with significant unmet needs in muscle and CNS.

Triplet Therapeutics, Inc. is a biotechnology company focused on developing innovative therapies for triplet repeat expansion disorders, such as Huntington's disease, myotonic dystrophy, and spinocerebellar ataxias. Founded in 2018 and based in Cambridge, Massachusetts, the company aims to address these conditions at their source by utilizing a unique approach that involves a single oligonucleotide targeting the DNA Damage Response pathway. This strategy is designed to provide effective treatments for multiple repeat expansion disorders, enabling healthcare professionals to offer advanced biotherapeutic options to their patients. Through its research and development efforts, Triplet Therapeutics is committed to transforming the landscape of treatment for these challenging genetic disorders.

Verseau Therapeutics, Inc. is a biotechnology company focused on developing macrophage checkpoint modulators to address cancer, immune, and inflammatory diseases. Established in 2017 and headquartered in Lexington, Massachusetts, the company aims to create a new class of therapeutics that can modulate macrophage behavior. By identifying novel targets, Verseau's therapies are designed to facilitate a shift in macrophages from immune suppressors to activators, enhancing the effectiveness of immunotherapy for patients. Through this innovative approach, Verseau Therapeutics seeks to improve treatment outcomes for individuals suffering from various diseases.

Karuna Therapeutics is a biopharmaceutical company dedicated to developing innovative treatments for psychiatric and neurological disorders. Its primary focus is on creating novel therapies to address disabling neuropsychiatric conditions, with a particular emphasis on schizophrenia and the behavioral symptoms of Alzheimer's disease.

Imara, Inc. is a clinical-stage biopharmaceutical company based in Boston, Massachusetts, that specializes in developing and commercializing therapeutics for patients with rare genetic disorders of hemoglobin. Founded in 2016, the company is advancing IMR-687, an oral, once-daily therapeutic designed to treat sickle cell disease and beta-thalassemia. IMR-687 is a highly selective small molecule inhibitor of PDE9, engineered to have a multimodal mechanism of action that impacts various cell types, including red blood cells and white blood cells, as well as adhesion mediators. Through its innovative approach, Imara aims to provide disease-modifying treatments for individuals affected by hemoglobinopathies.

Founded in 2018 and headquartered in Boston, Massachusetts, Dewpoint Therapeutics is a biotechnology company dedicated to researching biomolecular condensates and cellular function. The company aims to develop innovative treatments for various diseases such as cancer, neurodegenerative disorders, immunology, cardiovascular conditions, women's health, and virology.

GreenLight Biosciences is a biotechnology company specializing in RNA-based solutions for agriculture and pharmaceutical applications. It develops mRNA vaccines, including COVID-19 candidates, and offers sustainable crop protection technologies using its proprietary cell-free production platform.

Frequency Therapeutics, Inc. is a clinical-stage biotechnology company dedicated to repairing or reversing damage caused by degenerative diseases through its innovative Progenitor Cell Activation approach. This method utilizes a combination of small molecules to activate progenitor cells in the body, which facilitates the creation of functional tissue without the complexities of genetic engineering. The company’s lead product candidate, FX-322, is currently undergoing phase 2a clinical trials aimed at treating the underlying causes of sensorineural hearing loss. In addition to FX-322, Frequency Therapeutics is exploring treatments for various degenerative conditions, including multiple sclerosis and diseases affecting muscle, the gastrointestinal tract, skin, and bone. Established in 2014 and based in Woburn, Massachusetts, Frequency Therapeutics has established a collaboration agreement with Astellas Pharma Inc. for the development and commercialization of FX-322.

Tiburio Therapeutics, founded in 2018 and based in Cambridge, Massachusetts, specializes in developing and manufacturing medicines for rare endocrine diseases and tumors related to the endocrine system. The company's primary focus is on TBR-760, a drug candidate designed to treat non-functioning pituitary adenoma (NFPA) using a dopamine-somatostatin chimeric molecule aimed at shrinking or halting tumor growth. Additionally, Tiburio explores other compounds like TBR-065 for treating rare endocrine diseases where effective treatments are limited.

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.

Caraway Therapeutics, Inc. is a biotechnology company based in Cambridge, Massachusetts, that focuses on developing innovative treatments for neurodegenerative diseases by modulating mitophagy and autophagy. The company aims to address the degradation of toxic cellular components, which is a key factor in various neurodegenerative conditions, including Parkinson's disease and amyotrophic lateral sclerosis. By leveraging an understanding of critical neural pathways, Caraway Therapeutics seeks to discover and develop novel small molecules that can restore cellular balance and improve lysosomal function. Founded in 2018 and initially known as Rheostat Therapeutics, Inc., the company rebranded in 2019 to reflect its commitment to finding effective therapies for patients affected by these debilitating diseases.

Ribometrix is a biotechnology company that develops platform therapeutics to discover and advance small molecule drugs that target functional three-dimensional RNA structures to treat human diseases. Founded in 2014 and based in Durham, North Carolina, it focuses on leveraging RNA structure analysis and proprietary tools, along with artificial intelligence, to identify compounds that modulate RNA biology and reduce disease-associated protein production.

Stoke Therapeutics is a biopharmaceutical company developing novel antisense oligonucleotide medicines. These target RNA splicing to increase gene expression, aiming to treat severe genetic diseases. Its lead product candidate, STK-001, focuses on Dravet syndrome, a progressive genetic epilepsy.

Founded in 2014, Compass Therapeutics is a clinical-stage biopharmaceutical company developing antibody therapeutics to treat solid tumors and hematological malignancies. Its pipeline includes CTX-471, an agonistic antibody of CD137 for immune cell activation, currently in Phase I trials; CTX-8371, a bispecific antibody targeting PD-1 and PD-L1, in IND-enabling studies; and CTX-009, a bispecific antibody inhibiting DLL4 and VEGF-A signaling, completed Phase I and is in Phase Ib combination with chemotherapy.

ORIG3N, Inc. is a biotechnology company focused on developing innovative treatments for rare genetically inherited diseases, particularly targeting conditions related to the heart, liver, and neurodegeneration. Founded in 2014 and based in Boston, Massachusetts, ORIG3N utilizes induced pluripotent stem cell technology that allows for the differentiation of cells into any type found in the body. This technology is employed to test drug efficacy, screen for medication toxicity, and create personalized treatment pathways. The company offers a range of products, including LifeProfiles, which provides genetic insights related to fitness, metabolism, and exercise recovery; the Run DNA test for optimizing running performance; AURA, which assesses skin health; and Life Capsule, a repository for blood cells aimed at regenerative medicine development.

Skyhawk Therapeutics, Inc. is a biotechnology company focused on the discovery and development of small molecule therapeutics that aim to correct RNA expression. The company's proprietary technology facilitates the rational design of these small molecules to target specific binding pocket regions on RNA, employing both sequence and structural specificity at critical moments during the RNA splicing process. This innovative approach allows for the targeting of diseases associated with RNA mis-splicing, particularly those characterized by exon skipping. Skyhawk Therapeutics is committed to developing treatments for various conditions, including cancer, neurological diseases, and rare disorders. Founded in 2015 and headquartered in Waltham, Massachusetts, the company has evolved from its initial identity as Rare Genetix, Inc., adopting its current name in May 2018.

Celsius Therapeutics, Inc. is a biotechnology company focused on developing precision medicines for patients suffering from cancer and autoimmune diseases. Founded in 2018 and based in Cambridge, Massachusetts, the company employs a multidisciplinary approach, integrating the expertise of scientists, computational biologists, and clinicians. Celsius Therapeutics utilizes advanced techniques such as single-cell genomic analysis and machine learning to identify and develop innovative therapeutic solutions. By leveraging these cutting-edge technologies, the company aims to create life-changing medicines that address unmet medical needs.

QurAlis Corporation is a Cambridge, Massachusetts-based clinical-stage biotechnology company developing precision therapeutics for amyotrophic lateral sclerosis and other neurodegenerative diseases. It focuses on drugs that directly target disease-causing genetic alterations using proprietary platforms and biomarkers to identify and treat patients with specific genetic mutations, aiming to halt disease progression and improve outcomes.

Moderna is a biotechnology company focused on messenger RNA therapeutics and vaccines. It develops mRNA-based medicines that instruct cells to produce therapeutic proteins or antibodies in vivo, targeting infectious diseases, oncology, cardiovascular diseases, and rare genetic disorders. Founded in 2010 and headquartered in Cambridge, Massachusetts, the company has built a broad pipeline with multiple development candidates across several modalities and a track record highlighted by a COVID-19 vaccine authorized in the United States. Moderna collaborates with major pharmaceutical and research partners, including AstraZeneca, Merck, Vertex, and Alexion, as well as academic institutions such as Harvard University and Karolinska Institutet. It maintains manufacturing collaborations with Lonza for mRNA production and Catalent for fill-finish, and engages with public sector and philanthropic supporters such as BARDA, DARPA, and the Gates Foundation. As of 2025, the company continued expanding its mRNA development program across infectious disease, oncology, cardiovascular, and rare genetic diseases.

Skyhawk Therapeutics, Inc. is a biotechnology company focused on the discovery and development of small molecule therapeutics that aim to correct RNA expression. The company's proprietary technology facilitates the rational design of these small molecules to target specific binding pocket regions on RNA, employing both sequence and structural specificity at critical moments during the RNA splicing process. This innovative approach allows for the targeting of diseases associated with RNA mis-splicing, particularly those characterized by exon skipping. Skyhawk Therapeutics is committed to developing treatments for various conditions, including cancer, neurological diseases, and rare disorders. Founded in 2015 and headquartered in Waltham, Massachusetts, the company has evolved from its initial identity as Rare Genetix, Inc., adopting its current name in May 2018.

Aura Biosciences is a clinical-stage biotechnology company founded in 2007 and based in Cambridge, Massachusetts. It develops cancer therapies using tumor-targeted pseudovirions, employing viral nanoparticles conjugated to infrared-activated molecules to selectively destroy cancer cells. The lead program AU-011 targets ocular melanoma, including primary choroidal melanoma, with the aim of treating tumors locally while reducing damage to surrounding tissue. The company pursues precision therapies for solid tumors and has ongoing development in other ocular oncology indications and bladder cancer, focusing operations in the United States.

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.

Codiak BioSciences is a clinical-stage biopharmaceutical company dedicated to developing exosome-based therapeutics, a novel class of medicines with the potential to address various diseases with significant unmet medical needs. The company employs its proprietary engEx Platform, which allows for the engineering and manufacturing of exosomes, leveraging their natural role as intercellular messengers. Codiak's pipeline includes product candidates such as exoSTING and exoIL-12, targeting diverse therapeutic areas including oncology, neuro-oncology, neurology, neuromuscular diseases, and infectious diseases. Additionally, the company collaborates with the Ragon Institute to explore the potential of its exoVACC platform for vaccines against SARS-CoV-2 and HIV. Founded in 2015 and headquartered in Cambridge, Massachusetts, Codiak aims to transform therapeutic approaches by harnessing the unique properties of exosomes.

Ribometrix is a biotechnology company that develops platform therapeutics to discover and advance small molecule drugs that target functional three-dimensional RNA structures to treat human diseases. Founded in 2014 and based in Durham, North Carolina, it focuses on leveraging RNA structure analysis and proprietary tools, along with artificial intelligence, to identify compounds that modulate RNA biology and reduce disease-associated protein production.

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.

Evelo Biosciences, Inc., established in 2015, is a biotechnology company based in Cambridge, Massachusetts. It specializes in the discovery and development of a novel class of medicines known as monoclonal microbials, which are orally delivered and designed to modulate systemic immunology and biology by interacting with human cells in the gut. Evelo's pipeline includes EDP1815, currently in a Phase 1b clinical trial for psoriasis and atopic dermatitis, and EDP1503, in a Phase 1/2 study for various cancer types, including colorectal, triple-negative breast, and melanoma. The company aims to apply this innovative approach across a broad range of diseases, including autoimmune, immunoinflammatory, metabolic, neurological, neuroinflammatory conditions, and cancer.

Arsanis, Inc. is a clinical-stage biopharmaceutical company headquartered in Waltham, Massachusetts, specializing in monoclonal antibody (mAb) immunotherapies for serious infectious diseases. Founded in 2010, Arsanis focuses on developing innovative therapies targeting various bacterial and viral pathogens. Its lead clinical program, ASN100, is currently in a Phase 2 trial aimed at preventing Staphylococcus aureus pneumonia in high-risk, mechanically ventilated patients. The company's preclinical pipeline includes mAbs directed against respiratory syncytial virus and Gram-negative bacteria, such as Klebsiella pneumoniae and Escherichia coli. Arsanis leverages advanced mAb discovery techniques to create a diverse range of therapeutic candidates with multiple mechanisms of action, addressing the urgent need for effective treatments in infectious disease management. The company also has research and preclinical development operations in Vienna, Austria, under Arsanis Biosciences GmbH.

Egenesis is a biotechnology company focused on gene editing and genome engineering to develop human-compatible organs, tissues, and cells for transplantation. Its platform enables the creation of solid organs and therapeutic cells intended for transplantation, addressing the global organ shortage. The company pursues programs in kidney and islet cell transplantation and related regenerative approaches. It is based in Cambridge, Massachusetts, with an additional office in New York.

Imara, Inc. is a clinical-stage biopharmaceutical company based in Boston, Massachusetts, that specializes in developing and commercializing therapeutics for patients with rare genetic disorders of hemoglobin. Founded in 2016, the company is advancing IMR-687, an oral, once-daily therapeutic designed to treat sickle cell disease and beta-thalassemia. IMR-687 is a highly selective small molecule inhibitor of PDE9, engineered to have a multimodal mechanism of action that impacts various cell types, including red blood cells and white blood cells, as well as adhesion mediators. Through its innovative approach, Imara aims to provide disease-modifying treatments for individuals affected by hemoglobinopathies.

Codiak BioSciences is a clinical-stage biopharmaceutical company dedicated to developing exosome-based therapeutics, a novel class of medicines with the potential to address various diseases with significant unmet medical needs. The company employs its proprietary engEx Platform, which allows for the engineering and manufacturing of exosomes, leveraging their natural role as intercellular messengers. Codiak's pipeline includes product candidates such as exoSTING and exoIL-12, targeting diverse therapeutic areas including oncology, neuro-oncology, neurology, neuromuscular diseases, and infectious diseases. Additionally, the company collaborates with the Ragon Institute to explore the potential of its exoVACC platform for vaccines against SARS-CoV-2 and HIV. Founded in 2015 and headquartered in Cambridge, Massachusetts, Codiak aims to transform therapeutic approaches by harnessing the unique properties of exosomes.

Aura Biosciences is a clinical-stage biotechnology company founded in 2007 and based in Cambridge, Massachusetts. It develops cancer therapies using tumor-targeted pseudovirions, employing viral nanoparticles conjugated to infrared-activated molecules to selectively destroy cancer cells. The lead program AU-011 targets ocular melanoma, including primary choroidal melanoma, with the aim of treating tumors locally while reducing damage to surrounding tissue. The company pursues precision therapies for solid tumors and has ongoing development in other ocular oncology indications and bladder cancer, focusing operations in the United States.

Visterra is a clinical-stage biopharmaceutical company developing precision antibody-based medicines for hard-to-treat infectious and non-infectious diseases. It uses its Hierotope platform to engineer monoclonal antibodies targeting various pathogens, including influenza A, dengue virus, Pseudomonas aeruginosa, and Immunoglobulin A Nephropathy.

Seres Therapeutics is a clinical-stage biotherapeutic company based in Cambridge, Massachusetts, specializing in the development of microbiome therapeutics aimed at restoring health by correcting dysbiotic microbiomes. The company's lead product candidate, SER-109, is currently in Phase III clinical trials for the prevention of recurrent Clostridium difficile infection (CDI). In addition to SER-109, Seres is advancing several other therapeutic candidates: SER-287, which is in a Phase IIb study for ulcerative colitis; SER-401, a microbiome therapeutic in a Phase Ib study for use with checkpoint inhibitors in metastatic melanoma; SER-301 for inflammatory bowel disease; SER-262 for initial CDI recurrence; and SER-155 to address dysbiosis post-allogeneic hematopoietic stem cell transplants. Seres Therapeutics collaborates with notable institutions such as Nestec Ltd. and Memorial Sloan Kettering Cancer Center, and has partnered with AstraZeneca to enhance its research and development efforts. Founded in 2010, Seres Therapeutics was previously known as Seres Health, Inc. until its name change in May 2015.