Westlake Village BioPartners

Westlake Village BioPartners is a venture capital firm established in 2018 and based in Los Angeles, California. The firm specializes in incubating and developing early-stage life sciences companies, with a particular emphasis on biotech and pharmaceutical sectors. It partners with entrepreneurs to cultivate transformative therapies and technologies aimed at improving patient outcomes. The firm's approach leverages the founding team's extensive experience in identifying, developing, and commercializing breakthrough medical innovations. By providing initial seed funding, Westlake Village BioPartners supports the early stages of technology development before engaging in more substantial financing rounds.

Brogan Perrelli

Vice President Finance and Operations

28 past transactions

Latigo Biotherapeutics

Series B in 2025
Latigo Biotherapeutics is a clinical-stage biotechnology company that develops novel, non-opioid therapies for chronic pain. The company aims to target pain at its source to provide effective, rapid-acting pain relief without the risk of addiction. Their lead program targets Nav1.8, a validated human pain target, leveraging internal ion channel expertise.

Borealis Biosciences

Series A in 2024
Borealis Biosciences is a discovery-stage biotechnology company focused on developing next-generation RNA-based medicines specifically for kidney diseases. The company utilizes its expertise in molecular and cellular biology, chemistry, and analytical capabilities to identify target opportunities within different patient subsets affected by kidney conditions. By refining methods for delivering RNA medicines to specific cell types, Borealis Biosciences aims to tackle significant unmet medical needs in the treatment of kidney diseases.

ArsenalBio

Series C in 2024
ArsenalBio is a programmable cell therapy company established in 2019, focused on developing effective and accessible immune cell therapies, primarily targeting cancer treatment. The company utilizes advanced technologies, including CRISPR-based genome engineering, synthetic biology, and machine learning, to create a new paradigm for discovering and developing immune cell therapies. ArsenalBio's innovative approach aims to enhance the efficacy and safety of T-cell therapies while reducing costs for providers and broadening patient access. By employing a full-stack research and development engine, ArsenalBio generates multifunctional T-cell medicines through the precise insertion of large synthetic DNA sequences, enabling clinicians to utilize next-generation autologous T-cell therapies to combat cancer more effectively.

Latigo Biotherapeutics

Series A in 2024
Latigo Biotherapeutics is a clinical-stage biotechnology company that develops novel, non-opioid therapies for chronic pain. The company aims to target pain at its source to provide effective, rapid-acting pain relief without the risk of addiction. Their lead program targets Nav1.8, a validated human pain target, leveraging internal ion channel expertise.

Star Therapeutics

Series C in 2023
Star Therapeutics is a biotechnology company focused on developing innovative therapies for a wide range of rare diseases. The company aims to identify diseases that share common biological characteristics and create novel therapeutics that can effectively treat multiple conditions with a single treatment. This approach not only addresses the needs of patients suffering from rare diseases but also presents a unique opportunity for pharmaceutical companies to broaden their therapeutic offerings within a streamlined pipeline. By concentrating on life-changing therapies, Star Therapeutics aspires to make a significant impact on the lives of millions of patients.

Kyverna Therapeutics

Series B in 2023
Kyverna Therapeutics, Inc. is a cell therapy company focused on developing innovative treatments and potential cures for serious autoimmune diseases. Founded in 2018 and based in Berkeley, California, Kyverna employs advanced T cell engineering and synthetic biology technologies to target and eliminate autoreactive immune cells, which are responsible for the inflammation associated with these diseases. By addressing the root causes of autoimmune conditions, Kyverna aims to provide more effective and lasting solutions for patients suffering from these challenging health issues.

Kate Therapeutics

Series A in 2023
Kate Therapeutics is a biotechnology company dedicated to developing adeno-associated virus (AAV)-based gene therapies for genetically defined muscle and heart diseases. The company employs advanced technology platforms to enhance tissue-specific delivery and gene regulation, overcoming significant challenges associated with current gene therapies. By utilizing innovative capsids, Kate Therapeutics achieves superior muscle transduction and effectively de-targets the liver, allowing for more efficient tissue transduction at lower viral doses. This approach addresses key limitations in muscle gene delivery, aiming to improve treatment outcomes for patients with muscle and heart conditions.

Akamis Bio

Debt Financing in 2023
Akamis Bio is a clinical-stage oncology company dedicated to improving the lives of cancer patients through its innovative Tumor-Specific Immuno-Gene Therapy (T-SIGn®) platform. The company is focused on developing a range of therapeutics aimed at solid tumors, utilizing its proprietary T-SIGn virus platform administered intravenously. This approach aims to enhance the ability of a patient's immune system to identify, attack, and eliminate cancer cells, providing a targeted treatment option for those affected by cancer.

Dantari

Series A in 2022
Dantari is a biotechnology company focused on developing innovative medicines for the treatment of serious diseases, including cancer and conditions affecting the central nervous system. The company utilizes a pharmaceutical platform that emphasizes the research and development of both small and large molecule therapeutics capable of crossing the blood-brain barrier. Dantari's advanced technology features a higher drug-to-antibody ratio than traditional antibody-drug conjugates (ADCs), allowing for tunable release of therapeutic payloads and the delivery of larger payloads. This approach aims to enhance efficacy and expand the therapeutic potential of its treatments, ultimately improving patient health and providing meaningful medical advancements.

Acelyrin

Series C in 2022
Acelyrin is a late-stage clinical biopharmaceutical company dedicated to advancing new treatment options for patients. The company specializes in identifying, acquiring, and accelerating the development and commercialization of promising drug candidates. By leveraging its expertise, Acelyrin aims to rapidly bring transformative medicines to market, ultimately improving patient outcomes and quality of life.

ArsenalBio

Series B in 2022
ArsenalBio is a programmable cell therapy company established in 2019, focused on developing effective and accessible immune cell therapies, primarily targeting cancer treatment. The company utilizes advanced technologies, including CRISPR-based genome engineering, synthetic biology, and machine learning, to create a new paradigm for discovering and developing immune cell therapies. ArsenalBio's innovative approach aims to enhance the efficacy and safety of T-cell therapies while reducing costs for providers and broadening patient access. By employing a full-stack research and development engine, ArsenalBio generates multifunctional T-cell medicines through the precise insertion of large synthetic DNA sequences, enabling clinicians to utilize next-generation autologous T-cell therapies to combat cancer more effectively.

Sinogen Biopharma

Series A in 2022
Sinogen Biopharma is founded with a vision to bridge China's biotech innovation to the US pharma market. The company licenses and develops innovative drugs from China.

Neuron23

Series C in 2022
Neuron23, Inc. is a biotechnology company focused on developing therapies for genetic disorders, particularly neurological diseases such as Parkinson's and Alzheimer's. Founded in 2018 and headquartered in South San Francisco, California, with an additional office in Munich, Germany, the company utilizes advanced artificial intelligence and genetic insights to enhance drug discovery. Neuron23's innovative platform integrates the latest advancements in human genetics with AI-driven methodologies to create targeted treatments for patients facing debilitating health challenges. By focusing on genetically defined conditions, Neuron23 aims to improve therapeutic options and outcomes for individuals affected by these disorders.

Star Therapeutics

Venture Round in 2022
Star Therapeutics is a biotechnology company focused on developing innovative therapies for a wide range of rare diseases. The company aims to identify diseases that share common biological characteristics and create novel therapeutics that can effectively treat multiple conditions with a single treatment. This approach not only addresses the needs of patients suffering from rare diseases but also presents a unique opportunity for pharmaceutical companies to broaden their therapeutic offerings within a streamlined pipeline. By concentrating on life-changing therapies, Star Therapeutics aspires to make a significant impact on the lives of millions of patients.

Electra Therapeutics

Series B in 2022
Electra Therapeutics is a clinical-stage biotechnology company focused on developing therapies that target signal regulatory proteins (SIRP) for treating immunological diseases and cancer. The company has one program in clinical development and two additional preclinical programs. Its lead product candidate, ELA026, is a monoclonal antibody designed to target SIRP on the surface of myeloid and T cells, effectively depleting pathological immune cells. ELA026 is currently being investigated for secondary hemophagocytic lymphohistiocytosis (sHLH), a severe hyperinflammatory condition for which no approved treatment exists.

Kyverna Therapeutics

Series B in 2022
Kyverna Therapeutics, Inc. is a cell therapy company focused on developing innovative treatments and potential cures for serious autoimmune diseases. Founded in 2018 and based in Berkeley, California, Kyverna employs advanced T cell engineering and synthetic biology technologies to target and eliminate autoreactive immune cells, which are responsible for the inflammation associated with these diseases. By addressing the root causes of autoimmune conditions, Kyverna aims to provide more effective and lasting solutions for patients suffering from these challenging health issues.

Acelyrin

Series B in 2021
Acelyrin is a late-stage clinical biopharmaceutical company dedicated to advancing new treatment options for patients. The company specializes in identifying, acquiring, and accelerating the development and commercialization of promising drug candidates. By leveraging its expertise, Acelyrin aims to rapidly bring transformative medicines to market, ultimately improving patient outcomes and quality of life.

Recludix Pharma

Series A in 2021
Recludix Pharma is a biotechnology company focused on drug discovery, specifically targeting the development of potent and selective inhibitors for challenging protein targets associated with cancer and autoimmune diseases. The company utilizes a unique platform that combines custom-generated DNA-encoded libraries with massively parallel structure-activity relationship determination and proprietary screening tools. This integrated approach aims to enhance the identification and development of novel small molecule medicines, enabling healthcare professionals to create precision therapies that effectively address specific protein targets in these complex diseases.

Expansion Therapeutics

Series B in 2021
Expansion Therapeutics is a drug discovery and development company focused on creating small molecule medicines for RNA-mediated diseases. The company specializes in developing novel RNA-targeted drug candidates that have the potential to treat a wide range of severe health conditions. By leveraging its innovative technology, Expansion Therapeutics aims to provide effective treatment options for patients suffering from these challenging diseases.

3T Biosciences

Series A in 2021
3T Biosciences, Inc. is an immunotherapy company established in 2017 and based in Menlo Park, California. The company focuses on developing innovative treatments for cancer and other T-cell-mediated diseases by utilizing synthetic biology and machine learning technologies. Its approach involves discovering novel targets for drug development, which aims to enhance the effectiveness of cancer therapies. Through its research and development efforts, 3T Biosciences is committed to providing healthcare professionals with advanced treatment options for patients facing cancer-related illnesses.

Capsida

Series A in 2021
Capsida is a biotechnology company focused on developing targeted gene therapies for monogenic and sporadic disorders affecting both the central nervous system and other areas of the body. The company utilizes a proprietary adeno-associated virus (AAV) engineering platform, which creates capsids specifically designed to target particular tissues and cells within affected organs. This advanced approach not only aims to enhance the efficacy of the therapies by ensuring they reach the intended sites of action, but also minimizes the impact on non-target tissues, thereby improving patient health outcomes in the treatment of life-threatening genetic disorders.

Dantari

Funding Round in 2021
Dantari is a biotechnology company focused on developing innovative medicines for the treatment of serious diseases, including cancer and conditions affecting the central nervous system. The company utilizes a pharmaceutical platform that emphasizes the research and development of both small and large molecule therapeutics capable of crossing the blood-brain barrier. Dantari's advanced technology features a higher drug-to-antibody ratio than traditional antibody-drug conjugates (ADCs), allowing for tunable release of therapeutic payloads and the delivery of larger payloads. This approach aims to enhance efficacy and expand the therapeutic potential of its treatments, ultimately improving patient health and providing meaningful medical advancements.

Neuron23

Series A in 2020
Neuron23, Inc. is a biotechnology company focused on developing therapies for genetic disorders, particularly neurological diseases such as Parkinson's and Alzheimer's. Founded in 2018 and headquartered in South San Francisco, California, with an additional office in Munich, Germany, the company utilizes advanced artificial intelligence and genetic insights to enhance drug discovery. Neuron23's innovative platform integrates the latest advancements in human genetics with AI-driven methodologies to create targeted treatments for patients facing debilitating health challenges. By focusing on genetically defined conditions, Neuron23 aims to improve therapeutic options and outcomes for individuals affected by these disorders.

Neuron23

Series B in 2020
Neuron23, Inc. is a biotechnology company focused on developing therapies for genetic disorders, particularly neurological diseases such as Parkinson's and Alzheimer's. Founded in 2018 and headquartered in South San Francisco, California, with an additional office in Munich, Germany, the company utilizes advanced artificial intelligence and genetic insights to enhance drug discovery. Neuron23's innovative platform integrates the latest advancements in human genetics with AI-driven methodologies to create targeted treatments for patients facing debilitating health challenges. By focusing on genetically defined conditions, Neuron23 aims to improve therapeutic options and outcomes for individuals affected by these disorders.

Acelyrin

Series A in 2020
Acelyrin is a late-stage clinical biopharmaceutical company dedicated to advancing new treatment options for patients. The company specializes in identifying, acquiring, and accelerating the development and commercialization of promising drug candidates. By leveraging its expertise, Acelyrin aims to rapidly bring transformative medicines to market, ultimately improving patient outcomes and quality of life.

Kyverna Therapeutics

Series A in 2020
Kyverna Therapeutics, Inc. is a cell therapy company focused on developing innovative treatments and potential cures for serious autoimmune diseases. Founded in 2018 and based in Berkeley, California, Kyverna employs advanced T cell engineering and synthetic biology technologies to target and eliminate autoreactive immune cells, which are responsible for the inflammation associated with these diseases. By addressing the root causes of autoimmune conditions, Kyverna aims to provide more effective and lasting solutions for patients suffering from these challenging health issues.

Tmunity

Series B in 2019
Tmunity Therapeutics, Inc. is a biotherapeutics company based in Philadelphia, Pennsylvania, focused on developing innovative immunotherapies for cancer, infectious diseases, and autoimmune conditions. Founded in 2015, Tmunity specializes in creating engineered T cells, including T Cell Receptor (TCR) engineered T cells and regulatory T cells (Treg), utilizing proprietary technologies to activate, expand, and genetically modify T cells sourced from peripheral blood, cord blood, and tumors. The company aims to harness the potential of T cells to provide personalized next-generation treatments and is advancing its clinical programs in various disease areas. Tmunity's team is comprised of experts in T-cell biology, regulatory affairs, and clinical development, with a strong track record in executing successful cell and gene therapy trials. Additionally, Tmunity has established a robust manufacturing platform that supports multi-center clinical studies across diverse therapeutic indications.

ArsenalBio

Series A in 2019
ArsenalBio is a programmable cell therapy company established in 2019, focused on developing effective and accessible immune cell therapies, primarily targeting cancer treatment. The company utilizes advanced technologies, including CRISPR-based genome engineering, synthetic biology, and machine learning, to create a new paradigm for discovering and developing immune cell therapies. ArsenalBio's innovative approach aims to enhance the efficacy and safety of T-cell therapies while reducing costs for providers and broadening patient access. By employing a full-stack research and development engine, ArsenalBio generates multifunctional T-cell medicines through the precise insertion of large synthetic DNA sequences, enabling clinicians to utilize next-generation autologous T-cell therapies to combat cancer more effectively.
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