TCG Crossover Management

TCG Crossover Management is a venture capital investment firm founded in 2020 and based in Palo Alto, California. The firm specializes in investing in companies within the drug discovery and medicine sectors, focusing primarily on opportunities in the United States and Europe. TCG Crossover Management is dedicated to advancing innovative healthcare solutions and supporting entrepreneurs who are committed to developing improved treatment options for patients. As a Registered Investment Adviser, the firm operates with a strong emphasis on identifying and nurturing companies that have the potential to make significant advancements in healthcare.

Cariad Chester

Managing Partner

57 past transactions

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.

Solid Biosciences

Post in 2025
Solid Biosciences Inc. is a life science company focused on developing therapies for Duchenne muscular dystrophy (DMD), a genetic muscle-wasting disease primarily affecting boys. The company's lead product candidate, SGT-001, is a gene transfer therapy currently undergoing a Phase I/II clinical trial aimed at restoring functional dystrophin protein expression in patients' muscles. In addition to SGT-001, Solid Biosciences is advancing the Anti-LTBP4 program, which involves a monoclonal antibody designed to reduce fibrosis and inflammation by targeting the LTBP4 protein. The company also develops biomarkers and sensors, as well as the Solid Suit program, which focuses on creating wearable assistive devices with functional and therapeutic benefits. Founded in 2013 and headquartered in Cambridge, Massachusetts, Solid Biosciences has established a strategic collaboration with Ultragenyx to enhance gene therapy development for DMD. With no current cure for DMD, the company aims to provide innovative solutions for a condition that affects an estimated 10,000 to 15,000 cases in the United States.

Aviceda Therapeutics

Series C in 2025
Aviceda Therapeutics is a late-stage pre-clinical biotechnology company focused on developing innovative therapies for glyco-immune diseases. The company leverages glycobiology and a proprietary cell-based high-throughput screening platform to create next-generation immunomodulators that target the innate immune system and address chronic non-resolving inflammation. Aviceda’s therapeutic pipeline includes a range of products aimed at various conditions, such as dry eye, diabetic retinopathy, retinoblastoma, and other diseases in the fields of oncology, neurology, and fibrosis. The company’s approach combines advanced biological insights with cutting-edge nanoparticle technology, enabling the development of targeted treatments designed to improve patient outcomes.

Rapt

Post in 2024
RAPT Therapeutics is a clinical-stage biopharmaceutical company specializing in immunology. It is dedicated to discovering, developing, and commercializing oral small-molecule therapies aimed at addressing significant unmet medical needs in oncology and inflammatory diseases. The company employs a proprietary discovery and development engine to create highly selective small molecules that modulate immune responses related to these conditions. RAPT has advanced two notable drug candidates: FLX475, which targets the inhibition of immunosuppressive regulatory T cells in tumors, and RPT193, which selectively inhibits type 2 T helper cells in inflamed tissues. Both candidates have progressed to clinical trials within a short timeframe since the company's inception. Additionally, RAPT is exploring several other targets in the discovery phase, including general control nonderepressible 2 and hematopoietic progenitor kinase 1.

Adcendo

Series B in 2024
ADCendo ApS is a biotech company focused on the development of innovative anti-cancer therapies, specifically through the creation of antibody-drug conjugates (ADCs). These conjugates are designed to target receptors that are overexpressed in various forms of cancer, addressing significant unmet medical needs in the treatment landscape. ADCendo's approach aims to enhance targeted therapy for patients suffering from conditions such as soft-tissue sarcoma, osteosarcoma, glioblastoma multiforme, and triple-negative breast cancer, among others. By developing new medicines that effectively target carcinomas—including breast, colon, pancreatic, prostate, ovarian, and renal cancers—ADCendo seeks to improve treatment outcomes for cancer patients.

Cidara Therapeutics

Post in 2024
Cidara Therapeutics, Inc. is a biotechnology company based in San Diego, California, established in 2012. It specializes in the discovery, development, and commercialization of innovative anti-infective therapies aimed at treating serious diseases. The company's lead product candidate, rezafungin acetate, is an echinocandin-class antifungal designed to address serious invasive fungal infections such as candidemia and invasive candidiasis, which are associated with high mortality rates. Additionally, Cidara is advancing its Cloudbreak platform, which focuses on developing antiviral Fc-conjugates for the prevention and treatment of various viral infections, including influenza, RSV, HIV, and coronaviruses. Through its unique therapeutic approaches, Cidara Therapeutics aims to enhance treatment paradigms and improve patient outcomes in the face of life-threatening illnesses.

ViceBio

Series B in 2024
ViceBio is a biopharmaceutical company focused on developing innovative vaccines to combat respiratory viral infections. Utilizing its patented Molecular Clamp Technology, the company stabilizes viral glycoproteins in a prefusion conformation, which allows for the creation of effective and ready-to-use fully liquid vaccines. This technology facilitates the long-term storage and convenient administration of vaccines targeting a range of respiratory viruses, including respiratory syncytial virus (RSV), metapneumovirus, influenza, and SARS-CoV-2. By prioritizing the prevention of potentially fatal respiratory illnesses, ViceBio aims to significantly enhance public health outcomes.

Candid Therapeutics

Series A in 2024
Candid Therapeutics is a biotechnology company specializing in the development of innovative therapies for immunological disorders. The company's primary focus is on creating novel, user-friendly treatments for autoimmune diseases. Their core technology involves advanced T-cell engager antibodies, which precisely redirect T-cells to selectively eliminate autoreactive B-cells, aiming to deliver transformative efficacy and improved therapeutic outcomes for patients.

Pathalys Pharma

Series B in 2024
Pathalys Pharma is a clinical biopharmaceutical company focused on developing innovative therapeutics for late-stage chronic kidney disease, particularly targeting secondary hyperparathyroidism (SHPT). SHPT is a condition characterized by the overactivity of the parathyroid glands, resulting from diseases outside of these glands, leading to excessive production of parathyroid hormone (PTH). The company's lead product, upacicalcet, is a novel calcimimetic designed to improve treatment outcomes for hemodialysis patients by mimicking calcium's effects on tissues through the activation of calcium-sensing receptors found in various human organs. Pathalys aims to address significant unmet medical needs in the management of SHPT, ultimately enhancing the quality of care for patients with end-stage chronic kidney disease.

Savara Pharmaceuticals

Post in 2024
Savara is an orphan lung disease company. Savara’s pipeline comprises Molgradex, an inhaled granulocyte-macrophage colony-stimulating factor, or GM-CSF, in Phase 3 development for autoimmune pulmonary alveolar proteinosis, or aPAP, in Phase 2a development for nontuberculous mycobacteria, or NTM, lung infection, and in preparation for Phase 2a development in cystic fibrosis, or CF, affected individuals with chronic NTM lung infection; and AeroVanc, a Phase 3 stage inhaled vancomycin for treatment of persistent methicillin resistant staphylococcus aureus, or MRSA, lung infection in CF. Savara’s strategy involves expanding its pipeline of potentially best-in-class products through indication expansion, strategic development partnerships and product acquisitions, with the goal of becoming a leading company in its field. The most recent acquisition is aerosolized amikacin/fosfomycin, a Phase 2 ready, proprietary combination antibiotic, which has demonstrated potent and broad-spectrum antibacterial activity against highly drug resistant pathogens. Savara’s management team has significant experience in orphan drug development and pulmonary medicine, identifying unmet needs, developing and acquiring new product candidates, and effectively advancing them to approvals and commercialization.

Disc Medicine

Post in 2024
Disc Medicine, Inc. is a clinical-stage biopharmaceutical company based in Cambridge, Massachusetts, focused on developing innovative treatments for severe hematologic disorders. Founded in 2017, the company specializes in human genetics-based therapeutics that aim to improve red blood cell production in patients suffering from various hematologic diseases. Disc Medicine's pipeline includes therapeutic candidates targeting critical pathways involved in red blood cell biology, such as heme biosynthesis and iron homeostasis. Notable programs include bitopertin, which is being developed for conditions like erythropoietic porphyrias and Diamond-Blackfan anemia. Through its research and development efforts, Disc Medicine seeks to transform the lives of patients affected by these challenging disorders.

Pheon Therapeutics

Series B in 2024
Pheon Therapeutics is a London-based biotechnology company specializing in the development of Antibody-Drug Conjugates (ADCs) for challenging cancer types. Founded in 2022, the company focuses on creating a novel pipeline of next-generation ADCs designed to target solid tumors that are often resistant to existing treatments. Its lead program features a first-in-class ADC aimed at a unique target that is highly expressed in various hard-to-treat cancers. By advancing these innovative therapies, Pheon Therapeutics aims to provide effective treatment options for patients and healthcare providers facing the complexities of cancer management.

Obsidian Therapeutics

Series C in 2024
Obsidian Therapeutics, Inc. is a biotechnology company based in Cambridge, Massachusetts, founded in 2015. The company specializes in developing next-generation cell and gene therapies aimed at enhancing adoptive immunotherapy for cancer patients. Its innovative approach utilizes pharmacologic operating systems that enable precise control over protein activity within cells. This technology allows for the creation of adoptive cell therapies with novel functionalities, which can be regulated by treating physicians using simple and safe orally active medications. Through these advancements, Obsidian Therapeutics seeks to improve upon existing cell therapies and expand treatment options for a broader patient demographic.

Avalo Therapeutics

Post in 2024
Avalo Therapeutics is a clinical-stage biopharmaceutical company that focuses on developing highly targeted therapeutics for immune dysregulation and other areas of significant unmet clinical need. The company employs a precision medicine approach in its research and development efforts. Its lead asset, AVTX-009, is an anti-IL-1B monoclonal antibody designed to address inflammatory diseases. In addition to AVTX-009, Avalo's pipeline includes quisovalimab, an anti-LIGHT monoclonal antibody, and AVTX-008, a BTLA agonist fusion protein, which further exemplify its commitment to advancing innovative treatments for complex medical conditions.

Mirador Therapeutics

Series A in 2024
Mirador Therapeutics specializes in developing precision medicine technologies to tackle immune-mediated inflammatory and fibrotic diseases. The company's core offering is a proprietary data analytics engine that integrates comprehensive patient molecular profiles, pinpoints novel therapeutic targets, and facilitates the creation of targeted diagnostics. This enables researchers and healthcare providers to tailor treatments to individual patients' genetics, potentially enhancing outcomes for those with chronic conditions.

Ocular Therapeutix

Post in 2024
Ocular Therapeutix, Inc. is a biopharmaceutical company focused on developing and commercializing innovative therapies for eye diseases using its proprietary bioresorbable hydrogel platform technology. The company markets ReSure Sealant, a hydrogel ophthalmic wound sealant designed to protect corneal incisions after cataract surgery. Its lead product candidate, DEXTENZA, is an ophthalmic insert that has completed Phase III clinical trials for post-surgical ocular pain, inflammation, and allergic conjunctivitis, and is also being investigated for dry eye diseases. Additionally, Ocular Therapeutix is developing several other products, including OTX-TP, an intracanalicular travoprost insert for glaucoma, and OTX-TKI, an intravitreal implant for wet age-related macular degeneration, among others. The company has established a strategic collaboration with Regeneron Pharmaceuticals to leverage its hydrogel technology in combination with Regeneron's VEGF-targeting compounds for retinal diseases. Founded in 2006 and headquartered in Bedford, Massachusetts, Ocular Therapeutix aims to address unmet needs in ophthalmology through its advanced therapeutic solutions.

Cogent Biosciences

Post in 2024
Cogent Biosciences is a biotechnology company dedicated to developing precision therapies for genetically defined diseases, aiming to treat the underlying causes and improve patient lives. The company employs proprietary T-cell engineering technology alongside tumor-targeting antibodies to harness the body's immune system against cancer. One of its key programs, CGT9486, is a selective tyrosine kinase inhibitor designed to inhibit specific mutations in KIT exon 17, which are associated with Systemic Mastocytosis and advanced gastrointestinal stromal tumors (GIST).

Mineralys Therapeutics

Post in 2024
Mineralys Therapeutics, Inc. is a clinical-stage biopharmaceutical company focused on developing innovative therapies for hypertension. The company is advancing its lead product candidate, MLS-101, a highly selective and potent aldosterone synthase inhibitor licensed from Mitsubishi Tanabe Pharma Corporation. Mineralys aims to provide a targeted treatment for patients with uncontrolled hypertension, particularly those who do not achieve adequate blood pressure control despite using multiple antihypertensive medications. By addressing the underlying factors associated with elevated aldosterone levels, Mineralys seeks to improve treatment outcomes for individuals suffering from this condition.

Adverum Biotechnologies

Post in 2024
Adverum Biotechnologies is a clinical-stage gene therapy company focused on developing innovative treatments for ocular and rare diseases. Headquartered in Redwood City, California, the company aims to establish gene therapy as a new standard of care, aspiring to provide functional cures that restore vision and prevent blindness. Its pipeline includes several product candidates, notably ADVM-022, which targets wet age-related macular degeneration through a single intravitreal injection designed to deliver long-term therapeutic effects. Other candidates include ADVM-043 for alpha-1 antitrypsin deficiency and ADVM-053 for hereditary angioedema. Adverum collaborates with partners like Editas Medicine and Regeneron Pharmaceuticals to leverage advanced AAV vectors and develop treatments for various inherited retinal diseases and ocular therapeutic targets. Founded in 2006, the company was previously known as Avalanche Biotechnologies and rebranded in 2016.

Silence Therapeutics

Post in 2024
Silence Therapeutics plc is a biotechnology company based in London, specializing in the discovery and development of innovative RNA therapeutics. The company focuses on utilizing short interfering RNA (siRNA) technology to modulate gene expression and address various medical conditions, including hematology, cardiovascular diseases, and rare metabolic disorders. Its pipeline includes several product candidates, such as SLN124, aimed at treating iron overload disorders by silencing the TMPRSS6 gene, and SLN360, which targets the LPA gene to reduce the risk of cardiovascular diseases. Silence Therapeutics has established strategic collaborations with major organizations, including AstraZeneca, to advance the development of siRNA therapeutics across multiple disease areas. The company leverages its proprietary genetic toolkit and delivery systems to optimize therapeutic outcomes, harnessing the body's natural biological mechanisms for effective treatment.

Astria Therapeutics

Post in 2024
Astria Therapeutics is a biopharmaceutical company based in Cambridge, Massachusetts, dedicated to developing innovative therapies for patients affected by rare allergic and immunological diseases. The company focuses on creating life-changing treatments, with its lead program, STAR-0215, being a monoclonal antibody designed to inhibit plasma kallikrein, currently in preclinical development for hereditary angioedema. Additionally, Astria is advancing STAR-0310, another monoclonal antibody, which targets the OX40 receptor and is also in preclinical development for atopic dermatitis, a condition characterized by impaired skin barrier function and significant itching. Through its targeted approach, Astria Therapeutics aims to address unmet medical needs in the field of immunology.

LB Pharmaceuticals

Series C in 2024
LB Pharmaceuticals Inc is a New York-based life sciences company focused on the discovery and development of drugs for central nervous system disorders. Established in 2015, the company is dedicated to commercializing novel and improved versions of well-established CNS treatments that have been successfully utilized abroad but have not been developed or marketed in the United States. LB Pharmaceuticals aims to create intellectual property around these advanced treatments, with its lead asset being LB-102, a patented version of amisulpride, widely recognized for its effectiveness in treating schizophrenia. By employing a pro-drug approach that alters amisulpride's chemical structure, the company seeks to enhance the drug's efficacy and safety, thereby providing improved treatment options for patients who do not respond adequately to existing therapies.

Tourmaline Bio

Post in 2023
Tourmaline Bio is a clinical biotechnology company focused on developing transformative medicines aimed at improving the lives of patients suffering from immune diseases. The company is in the late stages of clinical development and is centered on its lead product candidate, TOUR006, a fully human monoclonal antibody designed to selectively target interleukin-6 (IL-6), a significant proinflammatory cytokine implicated in various autoimmune and inflammatory disorders. The IL-6 antibody class has a well-established history, with over two decades of clinical and commercial experience, having successfully treated more than a million patients with diverse autoimmune and inflammatory conditions. Through its innovative research, Tourmaline Bio seeks to address the unmet medical needs of patients affected by life-altering immune diseases.

VistaGen Therapeutics

Post in 2023
VistaGen Therapeutics, Inc. is a clinical-stage biopharmaceutical company focused on developing and commercializing innovative therapies for central nervous system disorders, particularly depressive and social anxiety disorders. The company's lead product candidate, AV-101, is an orally available treatment currently in Phase 2 development for major depressive disorder, targeting patients who have not adequately responded to standard antidepressants. Additionally, VistaGen is advancing PH94B, a neuroactive nasal spray, which is preparing for Phase III clinical trials for the acute treatment of anxiety in adults with social anxiety disorder. Another product in its pipeline, PH10, is being planned for Phase 2b development as a treatment for major depressive disorder. VistaGen has established licensing and collaboration agreements to facilitate the clinical development and commercialization of its products, including a strategic partnership for PH94B in Greater China, South Korea, and Southeast Asia. Founded in 1998, VistaGen is headquartered in South San Francisco, California.

Inhibrx

Post in 2023
Inhibrx, Inc. is a clinical-stage biotechnology company headquartered in La Jolla, California, that specializes in developing a diverse pipeline of novel biologic therapeutic candidates. The company's focus areas include oncology, orphan diseases, and infectious diseases, employing advanced protein engineering techniques, including its proprietary sdAb platform. Among its leading candidates is INBRX-109, a multivalent agonist of death receptor 5, currently in Phase 1 trials for treating solid tumors, including sarcomas. Another candidate, INBRX-105, serves as an antagonist of programmed death ligand 1 (PD-L1) and a conditional agonist of 4-1BB, also in Phase 1 trials for PD-L1 expressing tumors. Additional candidates include INBRX-101, aimed at alpha-1 antitrypsin deficiency, and INBRX-103, targeting cluster of differentiation 47. The company's preclinical programs encompass innovative therapies such as INBRX-106, a hexavalent agonist of OX40, and INBRX-111, a multifunctional antibody targeting Pseudomonas aeruginosa. Founded in 2010, Inhibrx has established collaborations with prominent organizations and received funding from various granting agencies.

COMPASS Pathways

Post in 2023
COMPASS Pathways is a mental health care company based in Cheshire, United Kingdom, with operations in the United States. The company is focused on developing innovative therapies for treatment-resistant depression (TRD) using its proprietary psilocybin formulation, COMP360. Currently undergoing Phase IIb clinical trials, COMP360 aims to provide a new treatment option for patients who have not responded to traditional depression therapies. COMPASS Pathways emphasizes the combination of psilocybin-assisted therapy with psychological support to enhance treatment efficacy. The company is committed to addressing the significant unmet needs in mental health care by advancing evidence-based solutions for those suffering from mental health challenges.

AN2 Therapeutics

Post in 2023
AN2 Therapeutics, Inc. is a clinical-stage biopharmaceutical company based in Menlo Park, California, focused on the research, development, and commercialization of innovative medicines for infectious diseases. Founded in 2017, the company aims to address significant unmet medical needs through its development of novel therapeutics. Its lead product candidate, epetraborole, is a once-daily oral treatment designed for patients suffering from chronic non-tuberculous mycobacterial lung disease. AN2 Therapeutics is committed to leveraging advanced biomedical expertise to create transformative solutions for patients dealing with serious and rare infectious diseases. The company has also established a strategic partnership with Brii Biosciences to enhance its development efforts.

Taysha Gene Therapies

Post in 2023
Taysha Gene Therapies, Inc. is a gene therapy company based in Dallas, Texas, focused on developing adeno-associated virus (AAV)-based therapies for monogenic diseases of the central nervous system (CNS). Founded in 2019, the company aims to create curative treatments for severe and life-threatening conditions. Its pipeline includes several product candidates, such as TSHA-101 for GM2 gangliosidosis, TSHA-118 for CLN1 disease, TSHA-102 for Rett syndrome, TSHA-103 for SLC6A1 haploinsufficiency disorder, and TSHA-104 for Surfeit locus 1 deficiency. Taysha collaborates with The University of Texas Southwestern Medical Center to enhance its development and commercialization efforts, leveraging expertise in gene therapy to advance its mission of eradicating monogenic CNS diseases.

ADARx Pharmaceuticals

Series C in 2023
ADARx Pharmaceuticals, Inc. is a clinical-stage biotechnology company based in San Diego, California, focused on the research and development of RNA editing therapeutics. Established in 2019, the company specializes in genetic medicine by utilizing a proprietary platform that employs endogenous enzymes, specifically adenosine deaminase acting on RNA (ADAR), to precisely target and correct single point mutations in RNA transcripts. This innovative approach aims to restore the production of functional proteins, offering potential treatments for a variety of diseases, including those affecting genetic, cardiometabolic, complement-mediated, and central nervous system areas. ADARx Pharmaceuticals is dedicated to developing life-saving therapeutics that address genetic mutations and provide solutions for conditions that are currently considered incurable.

Gracell Biotechnologies

Post in 2023
Gracell Biotechnologies Inc. is a clinical-stage biopharmaceutical company focused on the discovery and development of innovative cell therapies for cancer treatment. Based in Shanghai, China, Gracell's lead product candidates include GC012F, a dual-targeting autologous CAR-T therapy for multiple myeloma, and GC019F, which targets adult B cell acute lymphoblastic leukemia. Both candidates are currently undergoing Phase I clinical trials. Additionally, the company is advancing GC007F for B cell non-Hodgkin's lymphoma and GC027 for adult T cell acute lymphoblastic leukemia, among others. Gracell also has a range of earlier-stage product candidates addressing various cancer types, such as ovarian cancer and breast cancer. Founded in 2017, the company aims to provide effective cellular therapeutics to improve outcomes for patients with hematological malignancies and solid tumors.

CG Oncology

Series F in 2023
CG Oncology, formerly known as Cold Genesys, is a privately held clinical-stage biopharmaceutical company specializing in the development of innovative oncolytic immunotherapies aimed at treating cancer. The company focuses on creating therapies that offer alternatives to conventional cancer treatments, particularly for patients with bladder cancer. Its lead candidate, cretostimogene grenadenorepvec, is a targeted intravesical immunotherapy agent designed to be delivered directly to the bladder. Currently, CG Oncology is conducting multiple clinical trials, including two phase three trials addressing high-risk and intermediate-risk non-muscle invasive bladder cancer (NMIBC), as well as a phase two study in combination with a checkpoint inhibitor for high-risk NMIBC. Through its research and clinical endeavors, CG Oncology aims to provide effective and less invasive treatment options for bladder cancer patients.

Upstream Bio

Series B in 2023
Upstream Bio Inc is a clinical-stage biotechnology company dedicated to developing treatments for inflammatory diseases, particularly severe respiratory disorders. The company's primary focus is on verekitug, an antibody therapy designed to inhibit the Thymic Stromal Lymphopoietin receptor. This receptor is a key target in the inflammatory response, influencing various immune cells and signaling pathways involved in both common and rare illnesses. By targeting TSLP, Upstream Bio aims to address the underlying mechanisms of severe asthma and related conditions, positioning itself as a significant player in the field of immunotherapy.

Alkeus Pharmaceuticals

Series B in 2023
Alkeus Pharmaceuticals is a clinical-stage biopharmaceutical company based in Boston that specializes in developing treatments for serious ophthalmic conditions. The company's primary focus is on addressing untreatable diseases of the eye, with its lead drug candidate being an orally delivered compound aimed at treating Stargardt disease and age-related macular degeneration. Through its innovative approach, Alkeus aims to empower medical professionals to manage symptoms of irreversible vision loss at an earlier stage in affected patients.

Carmot Therapeutics

Series E in 2023
Carmot Therapeutics, Inc. is a clinical-stage biotechnology company based in Berkeley, California, with an additional office in San Francisco. Founded in 2008, it focuses on discovering and developing innovative therapies for patients with metabolic diseases, including obesity and diabetes. Utilizing its proprietary Chemotype Evolution technology, Carmot Therapeutics aims to address the underlying causes of these conditions and accelerate the discovery of effective treatments. The company’s portfolio includes several clinical-stage drug candidates, such as CT-388 and CT-996, which are designed as GLP-1 receptor agonists for the treatment of obesity and type 2 diabetes, and CT-868, intended for type 1 diabetes patients who are overweight or obese. Through these efforts, Carmot Therapeutics seeks to create life-changing therapeutics that improve the health outcomes of individuals affected by metabolic diseases.

Icosavax

Post in 2023
Icosavax, Inc. is a biotechnology company based in Seattle, Washington, founded in 2017. The company specializes in developing vaccines utilizing its proprietary virus-like particle (VLP) platform technology. This innovative approach allows for the multivalent, particle-based display of complex viral antigens, which is aimed at generating broad and durable immune responses. Icosavax focuses primarily on life-threatening respiratory diseases, with its lead vaccine candidate, IVX-121, targeting respiratory syncytial virus (RSV) in older adults. The company's pipeline also includes candidates for human metapneumovirus (hMPV) and SARS-CoV-2, reflecting its commitment to advancing vaccine solutions for infectious diseases.

Abivax

Post in 2023
Abivax is a clinical-stage biotechnology company based in France, dedicated to developing innovative therapeutics that leverage the body's natural immune mechanisms to treat patients with autoimmune diseases, viral infections, and cancer. The company's primary focus is on chronic inflammatory diseases, particularly inflammatory bowel diseases such as ulcerative colitis and Crohn's disease. Abivax is currently evaluating its leading drug candidate, obefazimod, in Phase 3 clinical trials aimed at addressing moderately to severely active ulcerative colitis. Through its drug development platforms, Abivax strives to deliver novel and effective treatments to patients with significant unmet medical needs in these therapeutic areas.

Tourmaline Bio

Series A in 2023
Tourmaline Bio is a clinical biotechnology company focused on developing transformative medicines aimed at improving the lives of patients suffering from immune diseases. The company is in the late stages of clinical development and is centered on its lead product candidate, TOUR006, a fully human monoclonal antibody designed to selectively target interleukin-6 (IL-6), a significant proinflammatory cytokine implicated in various autoimmune and inflammatory disorders. The IL-6 antibody class has a well-established history, with over two decades of clinical and commercial experience, having successfully treated more than a million patients with diverse autoimmune and inflammatory conditions. Through its innovative research, Tourmaline Bio seeks to address the unmet medical needs of patients affected by life-altering immune diseases.

VectivBio

Post in 2022
VectivBio AG is a clinical-stage biotechnology company based in Basel, Switzerland, founded in 2019 as a spinout from Therachon. The company specializes in the discovery, development, and commercialization of innovative treatments for severe rare diseases, particularly those with significant unmet medical needs. Its lead product candidate, Apraglutide, is a synthetic GLP-2 analog designed to enhance the intestine’s ability to absorb fluids and nutrients, thereby reducing the reliance on parenteral support in patients with short bowel syndrome. VectivBio is dedicated to developing best-in-disease therapies that aim to meaningfully improve the lives of patients and their families, providing more than just incremental advancements over existing standard-of-care options.

Immunovant

Post in 2022
Immunovant, headquartered in New York, is a clinical-stage biopharmaceutical company dedicated to improving the lives of patients with autoimmune diseases. Its primary focus is on developing monoclonal antibodies, notably IMVT-1401, a fully human antibody that targets the neonatal Fc receptor (FcRn). This investigational product is designed for subcutaneous injection and aims to address various IgG-mediated autoimmune conditions. IMVT-1401 is currently in Phase IIa clinical trials for myasthenia gravis and thyroid eye disease, with Phase II trials also initiated for warm autoimmune hemolytic anemia. Additionally, the company is developing batoclimab and IMVT-1402, both targeting FcRn.

Allakos

Post in 2022
Allakos Inc. is a clinical-stage biopharmaceutical company founded in 2012 and headquartered in Redwood City, California. The company focuses on developing antibody-based therapeutics aimed at treating diseases associated with dysregulation of the T-helper type 2 immune response, which plays a crucial role in various allergic and inflammatory conditions. Its lead product, antolimab (AK002), is being investigated for the treatment of eosinophilic gastritis, eosinophilic gastroenteritis, chronic urticaria, indolent systemic mastocytosis, and severe allergic conjunctivitis. Additionally, Allakos is developing AK006, an antibody that targets the Siglec-6 receptor on mast cells, designed to activate the receptor's inhibitory function and reduce mast cell activation. Through these innovative therapies, Allakos aims to address the underlying mechanisms of diseases characterized by excessive inflammatory responses.

Abivax

Post in 2022
Abivax is a clinical-stage biotechnology company based in France, dedicated to developing innovative therapeutics that leverage the body's natural immune mechanisms to treat patients with autoimmune diseases, viral infections, and cancer. The company's primary focus is on chronic inflammatory diseases, particularly inflammatory bowel diseases such as ulcerative colitis and Crohn's disease. Abivax is currently evaluating its leading drug candidate, obefazimod, in Phase 3 clinical trials aimed at addressing moderately to severely active ulcerative colitis. Through its drug development platforms, Abivax strives to deliver novel and effective treatments to patients with significant unmet medical needs in these therapeutic areas.

Aktis Oncology

Series A in 2022
Aktis Oncology is a biotechnology company focused on the discovery and development of a new class of targeted radiopharmaceuticals aimed at treating various solid tumor cancers. The company has developed proprietary platforms to create tumor-targeting agents optimized for alpha radiotherapy. These agents are engineered for high tumor penetration and prolonged residence time, allowing for effective tumor elimination while reducing the side effects typically associated with cancer treatments. Additionally, Aktis Oncology's innovative approach enables clinicians to visualize and confirm target engagement before administering therapeutic radioisotopes, enhancing treatment precision and efficacy.

Upstream Bio

Series A in 2022
Upstream Bio Inc is a clinical-stage biotechnology company dedicated to developing treatments for inflammatory diseases, particularly severe respiratory disorders. The company's primary focus is on verekitug, an antibody therapy designed to inhibit the Thymic Stromal Lymphopoietin receptor. This receptor is a key target in the inflammatory response, influencing various immune cells and signaling pathways involved in both common and rare illnesses. By targeting TSLP, Upstream Bio aims to address the underlying mechanisms of severe asthma and related conditions, positioning itself as a significant player in the field of immunotherapy.

Plexium

Series B in 2022
Plexium, Inc. is a biotechnology company based in San Diego, California, specializing in the development of targeted protein degradation therapeutics aimed at treating cancer and neurodegenerative diseases. Founded in 2017, Plexium focuses on identifying E3 ligase modulating small molecules to create innovative therapies. The company has developed a screening platform known as DELPhe, which utilizes advanced techniques to miniaturize cell-based assays for high-content readouts. This platform enables the modulation of E3 ligases to selectively target various cancers, including small cell lung and breast tumors, while also inducing immune responses. By exploring next-generation drug candidates that extend beyond traditional approaches, Plexium is poised to uncover new therapeutic possibilities across a wide range of medical applications.

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.

Structure Therapeutics

Series B in 2021
Structure Therapeutics is a clinical-stage biopharmaceutical company focused on designing and developing novel oral therapeutics to treat chronic diseases with high unmet need. Utilizing advanced computational and structure-based technology, the company creates life-changing medicines by integrating cutting-edge advancements in computational chemistry and molecular interaction visualization. Its pipeline includes GSBR-1290, an oral glucagon-like-peptide-1 receptor agonist for type-2 diabetes mellitus and obesity, as well as ANPA-0073 and LTSE-2578 targeting pulmonary and cardiovascular diseases respectively. The company's team, with deep experience in complex biological targets and structure-based drug design, aims to deliver efficacious and safe treatments with broad commercial potential.

Alpine Immune Sciences

Post in 2021
Alpine Immune Sciences, Inc. is a clinical-stage biopharmaceutical company based in Seattle, Washington, that specializes in the discovery and development of protein-based immunotherapies aimed at treating cancer, autoimmune, and inflammatory disorders. The company leverages a proprietary scientific platform to transform native immune system proteins into innovative therapeutic candidates. Its leading programs include ALPN-101, a dual antagonist targeting the inducible T cell costimulator and CD28 pathways, designed for autoimmune and inflammatory conditions, and ALPN-303, a dual antagonist of the B cell activating factor and proliferation-inducing ligand, which is vital for B cell activation and survival. Additionally, Alpine Immune Sciences has established a collaboration with Kite Pharma to explore immunotherapies targeting the immune synapse for cancer treatment.

Obsidian Therapeutics

Series B in 2021
Obsidian Therapeutics, Inc. is a biotechnology company based in Cambridge, Massachusetts, founded in 2015. The company specializes in developing next-generation cell and gene therapies aimed at enhancing adoptive immunotherapy for cancer patients. Its innovative approach utilizes pharmacologic operating systems that enable precise control over protein activity within cells. This technology allows for the creation of adoptive cell therapies with novel functionalities, which can be regulated by treating physicians using simple and safe orally active medications. Through these advancements, Obsidian Therapeutics seeks to improve upon existing cell therapies and expand treatment options for a broader patient demographic.

Versanis Bio

Series A in 2021
Versanis Bio is a biopharmaceutical company focused on discovering and developing innovative medicines for medical conditions commonly affecting older adults. The company is advancing Bimagrumab, a human monoclonal antibody that targets activin type II receptors, effectively blocking ligands such as activin A and myostatin. Bimagrumab has undergone extensive clinical evaluation in over a dozen trials with more than 1,500 participants, demonstrating its ability to induce significant fat loss while preserving lean mass. Additionally, treatment with Bimagrumab has shown improvements in HbA1c levels and other cardiometabolic parameters, thereby assisting overweight and obese adults in achieving and maintaining a healthier body composition.

Artios Pharma

Series C in 2021
Artios Pharma Limited is a biotechnology company based in Cambridge, United Kingdom, that specializes in developing innovative cancer treatments targeting DNA damage response (DDR) pathways. Founded in 2016, the company is dedicated to creating first-in-class therapies that selectively kill cancer cells by exploiting their reliance on DDR mechanisms. Artios’ product pipeline includes a range of promising candidates, such as a therapy that targets DNA polymerase theta, a protein involved in DNA repair processes, and another program focusing on a novel DDR target. The company collaborates with prominent research organizations, including Cancer Research Technology, to enhance its development efforts and leverage expertise in DNA repair. Artios is led by a skilled team with extensive experience in drug discovery, positioning it to advance its next-generation DDR programs and contribute significantly to the field of cancer treatment.

RayzeBio

Series C in 2021
RayzeBio, Inc. is a biotechnology company based in San Diego, California, founded in 2020. The company specializes in developing tumor-targeted small molecule medicines that leverage radioisotopes to improve cancer treatment outcomes. RayzeBio focuses on creating innovative radiopharmaceuticals, particularly utilizing alpha-emitting radioisotopes like Actinium-225, to target solid tumors effectively. With a robust pipeline of drug candidates, RayzeBio is committed to addressing significant market opportunities in oncology through late-stage clinical programs, development initiatives, and discovery efforts. The company's mission is to provide effective therapeutic solutions aimed at defeating cancer.

Synthekine

Series B in 2021
Synthekine Inc. is a biotechnology company based in Menlo Park, California, specializing in the development of engineered cytokine therapies and immunotherapies aimed at treating cancer and autoimmune disorders. Founded in 2018, Synthekine utilizes advanced platform technologies, including engineered partial agonists and orthogonal cell therapies, to enhance the efficacy of cytokines while minimizing their toxic side effects. The company's innovative Synthekine Platform employs surrogate agonists instead of traditional mutant cytokines to create selective immunotherapies. Its product pipeline features candidates such as STK-009, an orthogonal ligand paired with SYNCAR-001, an orthogonal receptor-modified CAR-T therapy targeting CD-19. Additionally, Synthekine is developing STK-012, partial agonists of IL-2, and other novel immunotherapies that integrate cytokine receptors to initiate new signaling pathways without relying on wild-type cytokines.

Magenta Therapeutics

Post in 2021
Magenta Therapeutics, Inc. is a clinical-stage biotechnology company based in Cambridge, Massachusetts, focused on advancing stem cell transplantation and related therapies. Founded in 2015, the company aims to enhance the patient experience in transplant medicine by developing innovative treatments that make stem cell transplants safer and more accessible. Its pipeline includes several key candidates, such as C100, C200, and C300 targeted antibody-drug conjugates designed for transplant conditioning; MGTA-145, a stem cell mobilization product; and MGTA-456, an allogeneic stem cell therapy. Additionally, Magenta is exploring E478, a small molecule aimed at expanding gene-modified stem cells, and G100, an antibody-drug conjugate to mitigate acute graft-versus-host disease. The company has established research collaborations with other biotechnology firms to further investigate the potential of its therapies in treating blood cancers, genetic disorders, and autoimmune diseases, ultimately striving to transform stem cell transplantation from a last-resort option into a more viable and effective treatment for patients.

Eikon Therapeutics

Series A in 2021
Eikon Therapeutics, Inc. is a biopharmaceutical company based in Hayward, California, focused on developing innovative treatments for chronic and life-threatening diseases. Established in 2019, the company employs advanced super-resolution microscopy and live-cell imaging techniques to discover drugs targeting previously intractable proteins. By directly measuring the interactions of chemical compounds with individual proteins within a live cellular environment, Eikon Therapeutics enhances the understanding of biological processes and supports the development of targeted therapies. The integration of biology, engineering, and chemistry in its proprietary platforms allows Eikon Therapeutics to streamline the drug discovery process, advance clinical programs, and expand its pipeline of potential medications.

Affinia Therapeutics

Series B in 2021
Affinia Therapeutics Inc. is a biotechnology company focused on developing gene therapies for the treatment of severe diseases affecting the muscle and central nervous system (CNS). Established in 2019 and based in Waltham, Massachusetts, the company specializes in creating adeno-associated virus (AAV) vectors and utilizes a platform that integrates synthetic and systems biology with high-throughput screening techniques. This innovative approach allows Affinia Therapeutics to design novel gene therapies with enhanced properties tailored to address significant unmet medical needs. The company aims to provide healthcare professionals with advanced therapeutic options for patients suffering from debilitating conditions.

Entrada Therapeutics

Series B in 2021
Entrada Therapeutics, Inc. is a clinical-stage biotechnology company based in Boston, Massachusetts, focused on treating diseases through the intracellular delivery of biologics. Founded in 2016, the company has developed innovative technologies that facilitate the efficient delivery of proteins, peptides, and nucleic acids, targeting intracellular sites that have traditionally been difficult to access. Entrada's approach includes Intracellular Enzyme Replacement Therapy (IC-ERT) and Endosomal Escape Vehicle (EEV) therapeutics, which aim to improve the therapeutic index by enabling the delivery of a wide range of therapeutics across various organs and tissues. The company's pipeline addresses conditions related to neuromuscular diseases and expands into additional therapeutic areas, positioning Entrada at the forefront of advancing treatment options for patients with devastating illnesses.

Aktis Oncology

Series A in 2021
Aktis Oncology is a biotechnology company focused on the discovery and development of a new class of targeted radiopharmaceuticals aimed at treating various solid tumor cancers. The company has developed proprietary platforms to create tumor-targeting agents optimized for alpha radiotherapy. These agents are engineered for high tumor penetration and prolonged residence time, allowing for effective tumor elimination while reducing the side effects typically associated with cancer treatments. Additionally, Aktis Oncology's innovative approach enables clinicians to visualize and confirm target engagement before administering therapeutic radioisotopes, enhancing treatment precision and efficacy.
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