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Atea Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, discovers, develops, and commercializes antiviral therapeutics for patients with viral infections. Its lead product candidate is AT-527, an oral antiviral candidate that is in Phase 3 SUNRISE-3 clinical trial for the treatment of patients with COVID-19. The company also develops bemnifosbuvir in combination with ruzasvir, which is in Phase 2 clinical trial, for the treatment of hepatitis C virus (HCV); and a protease inhibitor for the treatment of COVID-19. It has a license agreement with MSD International GmbH for the development, manufacture, and commercialization of Ruzasvir, an NS5A inhibitor, for the treatment of HCV. Atea Pharmaceuticals, Inc. was incorporated in 2012 and is headquartered in Boston, Massachusetts.

MacroGenics, Inc., a biopharmaceutical company, develops, manufactures, and commercializes antibody-based therapeutics to treat cancer in the United States. Its approved product is MARGENZA (margetuximab-cmkb), a human epidermal growth factor receptor 2 (HER2) receptor antagonist indicated, in combination with chemotherapy, for the treatment of adult patients with metastatic HER2-positive breast cancer who have received two or more prior anti-HER2 regimens. The company's pipeline of immuno-oncology product candidates includes MGC018, an antibody drug conjugate (ADC), which targets solid tumors expressing B7-H3; Enoblituzumab, a monoclonal antibody that targets B7-H3; and MGD024, an investigational bispecific CD123 × CD3 DART molecule to minimize cytokine-release syndrome for patients with hematologic malignancies. In addition, it develops Lorigerlimab, a monoclonal antibody that targets the immune checkpoints PD-1 and cytotoxic T-lymphocyte-associated protein 4; Tebotelimab, an investigational tetravalent DART molecule for PD-1 and lymphocyte-activation gene 3; Retifanlimab, a humanized monoclonal antibody targeting programmed death receptor-1; and IMGC936, an ADC that targets ADAM9, a cell surface protein over-expressed in various solid tumor types. Further, the company develops MGD014 and MGD020, a DART molecule to target the envelope protein of human immunodeficiency virus infected cells and CD3 on T cells; Teplizumab for the treatment of type 1 diabetes; and PRV-3279, a CD32B × CD79B DART molecule for the treatment of autoimmune indications. It has collaborations with Incyte Corporation; Zai Lab Limited; I-Mab Biopharma; and Janssen Biotech, Inc. The company was incorporated in 2000 and is headquartered in Rockville, Maryland.

Precigen, Inc. operates as a discovery and clinical-stage biopharmaceutical company that develops gene and cell therapies using precision technology to target diseases in therapeutic areas of immuno-oncology, autoimmune disorders, and infectious diseases. It operates through two segments, Biopharmaceuticals and Exemplar. The company offers therapeutic platforms consisting of UltraCAR-T to provide chimeric antigen receptor T cell therapies for cancer patients; AdenoVerse immunotherapy, which utilizes a library of proprietary adenovectors for gene delivery of therapeutic effectors, immunomodulators, and vaccine antigen; and ActoBiotics for specific disease modification. It also develops programs based on the UltraCAR-T platform, including PRGN-3005 in Phase 1b clinical trial to treat advanced ovarian, fallopian tube, or primary peritoneal cancer; PRGN-3006 in Phase 1b trial for patients with relapsed or refractory acute myeloid leukemia and high-risk myelodysplastic syndromes; and PRGN-3007 in Phase 1/1b trial for the treatment of advanced receptor tyrosine kinase-like orphan receptor 1-positive, hematologic, and solid tumors. In addition, the company is developing programs based on the AdenoVerse immunotherapy platform comprising PRGN-2009 in Phase 2 trial for patients with HPV-associated cancer; and PRGN-2012 in Phase ½ trial to treat recurrent respiratory papillomatosis, as well as AG019, which is based on the ActoBiotics platform and in Phase 1b/2a trial, to treat type 1 diabetes mellitus. Further, it provides UltraPorator, a proprietary electroporation device; and develops research models and services for healthcare research applications. The company was formerly known as Intrexon Corporation and changed its name to Precigen, Inc. in February 2020. Precigen, Inc. was founded in 1998 and is headquartered in Germantown, Maryland.

Protagonist Therapeutics, Inc., a biopharmaceutical company, develops peptide-based drugs for hematology and blood disorders, and inflammatory and immunomodulatory diseases. It is developing Rusfertide (PTG-300), an injectable hepcidin mimetic that completed phase 2 clinical trials for the treatment of polycythemia vera and other blood disorders; and JNJ-2113, an orally delivered investigational drug to block biological pathways that completed phase 2b clinical trials for the treatment of moderate-to-severe plaque psoriasis; and PN-943, an orally delivered, gut-restricted alpha 4 beta 7 specific integrin antagonist completed a phase 2 clinical trials in patients with moderate to severe ulcerative colitis. The company has a license and collaboration agreement with Takeda to commercialize rusfertide; and JNJ Innovative Medicines to co-develop Interleukin-23 receptor antagonist compound JNJ-2113. Protagonist Therapeutics, Inc. was incorporated in 2006 and is headquartered in Newark, California.