Thomas Cahill

Co-Founder and Managing Partner

Greg McGraw

CFO

21 past transactions

nChroma Bio

Venture Round in 2024
nChroma Bio is a biotechnology company specializing in targeted genetic medicine. It operates an integrated product engine for safe, accurate, and targeted in vivo administration, aiming to overcome limitations of current genetic medicine techniques. The company focuses on liver-targeted therapies, initially for chronic hepatitis B and D, leveraging epigenetics to enable precise and specific gene regulation. This approach allows for therapies with programmable tissue specificity, potentially offering durable and targeted cures for the liver and other organs.

Metsera

Series B in 2024
Metsera is a clinical-stage biopharmaceutical company dedicated to developing innovative therapies for obesity and metabolic conditions. The company focuses on advancing a variety of treatment options, including both oral and injectable therapies, specifically targeting incretin, non-incretin, and combination approaches. By integrating proprietary health technology tools, Metsera aims to provide personalized care that meets the evolving demands of weight loss treatment. Its commitment to addressing multiple therapeutic targets positions the company to significantly impact the future of obesity management and related metabolic diseases.

Leal Therapeutics

Venture Round in 2024
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.

Autobahn Therapeutics

Series C in 2024
Autobahn Therapeutics develops brain-targeting, small molecule therapies for central nervous system disorders. Its lead program ABX-002 is a thyroid hormone receptor beta agonist being developed as an adjunctive treatment for mood disorders, including major depressive disorder and bipolar depression. The company emphasizes precision tuning of CNS exposure, validated clinical and biologic targets, and biomarker-guided development across neuropsychiatry, neurodegeneration, and neuroinflammation to address high unmet medical needs and improve patient outcomes.

Metsera

Series A in 2024
Metsera is a clinical-stage biopharmaceutical company dedicated to developing innovative therapies for obesity and metabolic conditions. The company focuses on advancing a variety of treatment options, including both oral and injectable therapies, specifically targeting incretin, non-incretin, and combination approaches. By integrating proprietary health technology tools, Metsera aims to provide personalized care that meets the evolving demands of weight loss treatment. Its commitment to addressing multiple therapeutic targets positions the company to significantly impact the future of obesity management and related metabolic diseases.

Nvelop Therapeutics

Seed Round in 2023
Nvelop Therapeutics develops programmable delivery systems for in vivo gene editing and therapeutic cargo delivery. It combines epigenetic editing technologies with next-generation delivery methods to address unmet medical needs. The company focuses on genetic medicines designed to target cells and tissues within the body, aiming to treat severe genetic diseases by delivering gene-editing payloads to therapeutically relevant sites. Early efforts are aligned with enabling editing in cells and tissues that have been difficult to reach, with the objective of expanding the range of actionable genetic therapies. The company seeks to advance in vivo approaches that can improve precision and safety in delivering therapeutic cargo to patients.

Magnet Biomedicine

Series A in 2023
Magnet Biomedicine is a biotechnology company specializing in discovering novel molecular glues using its proprietary TrueGlue platform. This platform leverages advancements in human biology and proteomics to identify adhesives optimized for therapeutic effectiveness, enhancing selectivity and targeting previously challenging proteins across various disease areas such as cancer, cardiovascular disease, and immune disorders.

Myeloid Therapeutics

Series A in 2023
Myeloid Therapeutics is an immunology company dedicated to leveraging innovative technologies to harness the potential of myeloid cells for the treatment of cancer and other diseases. The company has developed the ATAK platform, which focuses on reprogramming innate immune cells to enhance their ability to target and eliminate cancerous cells. Initially, Myeloid Therapeutics is advancing a cell therapy program aimed at treating T cell lymphoma, as well as a primed monocyte strategy for glioblastoma. The versatility of the ATAK platform allows for scalability across various treatment modalities and disease areas, facilitating collaboration with partners to expand its applications in the field of immunotherapy.

Orbital Therapeutics

Series A in 2023
Orbital Therapeutics develops innovative RNA-based medicines to enhance global health. Its platform integrates RNA technology, delivery techniques, data analytics, and automation to create a broad portfolio of treatments for various diseases.

Chroma Medicine

Series B in 2023
Chroma Medicine is a genomic medicine company founded in 2021 and based in Cambridge, Massachusetts, specializing in epigenetic editing. The company is pioneering a new class of genomic therapies aimed at revolutionizing the treatment of genetically driven diseases. By utilizing epigenetics, which is the natural mechanism for gene regulation, Chroma Medicine develops programmable epigenetic editors that target specific genes and modulate chromatin conformation. This innovative approach enables healthcare providers to achieve precise control of gene expression, offering a promising therapeutic option for conditions linked to genetic anomalies.

Neumora Therapeutics

Series B in 2022
Neumora Therapeutics is a clinical-stage biotechnology company focused on developing precision medicines for brain diseases by combining data science with neuroscience. Founded to address the global brain disease crisis, Neumora takes an innovative approach to treatment development. The company has established a robust therapeutic pipeline that includes seven clinical and preclinical neuroscience programs targeting novel mechanisms of action for various underserved neuropsychiatric and neurodegenerative disorders. Neumora plans to advance its pipeline further by initiating multiple clinical trials across its programs in the upcoming 12 to 18 months.

Orbital Therapeutics

Seed Round in 2022
Orbital Therapeutics develops innovative RNA-based medicines to enhance global health. Its platform integrates RNA technology, delivery techniques, data analytics, and automation to create a broad portfolio of treatments for various diseases.

Neumora Therapeutics

Series A in 2021
Neumora Therapeutics is a clinical-stage biotechnology company focused on developing precision medicines for brain diseases by combining data science with neuroscience. Founded to address the global brain disease crisis, Neumora takes an innovative approach to treatment development. The company has established a robust therapeutic pipeline that includes seven clinical and preclinical neuroscience programs targeting novel mechanisms of action for various underserved neuropsychiatric and neurodegenerative disorders. Neumora plans to advance its pipeline further by initiating multiple clinical trials across its programs in the upcoming 12 to 18 months.

Exo Therapeutics

Series B in 2021
Exo Therapeutics, Inc. is a drug discovery and development company focused on addressing challenging pharmaceutical targets. Founded in 2018 and based in Cambridge, Massachusetts, the company utilizes its proprietary ExoSight platform to create a pipeline of drug candidates that target exosites, which are unique and distal binding pockets on enzymes. This innovative approach aims to reprogram enzyme activity, leading to precise and effective therapeutic outcomes, particularly in oncology and inflammation, while also minimizing potential side effects for patients. Exo Therapeutics is committed to unlocking breakthrough therapeutics through its team of experienced researchers and a deep understanding of complex disease mechanisms.

YourBio

Venture Round in 2021
YourBio Health is focused on transforming the blood sampling and testing process by creating innovative products that enhance the interface between diagnostic medicine and healthcare consumers. The company has developed a unique blood collection device that allows for convenient and virtually painless blood testing. Utilizing its proprietary Touch Activated Phlebotomy technology, this push-button device can be applied to the upper arm, enabling individuals to collect their blood with a simple press of a button. This one-step process is designed to eliminate barriers to acquiring critical diagnostic information, facilitating improved diagnoses and health outcomes. By making diagnostic testing accessible almost anywhere, YourBio Health aims to empower patients in their healthcare journey and enhance the overall experience for both patients and clinicians.

Prime Medicine

Series B in 2021
Prime Medicine is a biotechnology company focused on developing genetic therapies using its innovative Prime Editing technology. This next-generation gene editing method allows for precise "search and replace" modifications in the genome, aimed at restoring normal genetic function. The company targets a wide range of diseases with significant unmet medical needs, leveraging the efficiency and versatility of its gene editing capabilities to address the underlying causes of these conditions. Through its commitment to advancing gene editing, Prime Medicine seeks to transform the landscape of genetic medicine.

Kojin Therapeutics

Series A in 2021
Kojin Therapeutics, founded by Stuart Schreiber, Benjamin Cravatt, Stephanie Dougan, and Vasanthi Viswanathan, focuses on advancing a drug discovery platform that links complex cell states to established biochemical processes, specifically ferroptosis, which involves iron-dependent cell death. This innovative approach enables the development of targeted therapies for a wide range of challenging diseases that are often difficult to treat. The company's biology platform aims to identify disease-specific targets, ensuring that patients receive effective treatments tailored to their specific conditions. Kojin Therapeutics is supported by a diverse group of investors, including Polaris Partners, Newpath Partners, and AbbVie, among others.

Myeloid Therapeutics

Series A in 2021
Myeloid Therapeutics is an immunology company dedicated to leveraging innovative technologies to harness the potential of myeloid cells for the treatment of cancer and other diseases. The company has developed the ATAK platform, which focuses on reprogramming innate immune cells to enhance their ability to target and eliminate cancerous cells. Initially, Myeloid Therapeutics is advancing a cell therapy program aimed at treating T cell lymphoma, as well as a primed monocyte strategy for glioblastoma. The versatility of the ATAK platform allows for scalability across various treatment modalities and disease areas, facilitating collaboration with partners to expand its applications in the field of immunotherapy.

Exo Therapeutics

Series A in 2020
Exo Therapeutics, Inc. is a drug discovery and development company focused on addressing challenging pharmaceutical targets. Founded in 2018 and based in Cambridge, Massachusetts, the company utilizes its proprietary ExoSight platform to create a pipeline of drug candidates that target exosites, which are unique and distal binding pockets on enzymes. This innovative approach aims to reprogram enzyme activity, leading to precise and effective therapeutic outcomes, particularly in oncology and inflammation, while also minimizing potential side effects for patients. Exo Therapeutics is committed to unlocking breakthrough therapeutics through its team of experienced researchers and a deep understanding of complex disease mechanisms.

Chroma Medicine

Seed Round in 2020
Chroma Medicine is a genomic medicine company founded in 2021 and based in Cambridge, Massachusetts, specializing in epigenetic editing. The company is pioneering a new class of genomic therapies aimed at revolutionizing the treatment of genetically driven diseases. By utilizing epigenetics, which is the natural mechanism for gene regulation, Chroma Medicine develops programmable epigenetic editors that target specific genes and modulate chromatin conformation. This innovative approach enables healthcare providers to achieve precise control of gene expression, offering a promising therapeutic option for conditions linked to genetic anomalies.

Prime Medicine

Series A in 2019
Prime Medicine is a biotechnology company focused on developing genetic therapies using its innovative Prime Editing technology. This next-generation gene editing method allows for precise "search and replace" modifications in the genome, aimed at restoring normal genetic function. The company targets a wide range of diseases with significant unmet medical needs, leveraging the efficiency and versatility of its gene editing capabilities to address the underlying causes of these conditions. Through its commitment to advancing gene editing, Prime Medicine seeks to transform the landscape of genetic medicine.
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