Arcellx, Inc., together with its subsidiary, engages in the development of various immunotherapies for patients with cancer and other incurable diseases in the United States. The company's lead ddCAR product candidate is anitocabtagene autoleucel, which is in phase 2 clinical trial for the treatment of patients with relapsed or refractory multiple myeloma (rrMM). It also develops ACLX-001, a product candidate in Phase 1 clinical trials targeting BCMA to treat rrMM; and ACLX-002, which is in Phase 1 clinical trials that targets CD123 for treating relapsed or refractory acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS). In addition, the company's preclinical product includes ACLX-003 for the treatment of AML and MDS. Further, it focuses on the development of product candidates for solid tumor programs. It has a strategic alliance with Kite Pharma, Inc. to co-develop and co-commercialize anitocabtagene autoleucel. The company was formerly known as Encarta Therapeutics, Inc. and changed its name to Arcellx, Inc. in January 2016. Arcellx, Inc. was incorporated in 2014 and is headquartered in Redwood City, California.

Immatics N.V., a clinical-stage biopharmaceutical company, focuses on the research and development of potential T cell redirecting immunotherapies for the treatment of cancer in the United States. The company is developing targeted immunotherapies with a focus on treating solid tumors through two distinct treatment modalities, such as TCR-engineered autologous or allogeneic adoptive cell therapies (ACT) and antibody-like TCR Bispecifics. Its products pipeline includes IMA203 that targets solid tumors, which is in Phase 1b clinical trial; IMA203CD8, a cell therapy product that is in Phase 1b clinical trial; IMA204 that targets tumor stroma, which is in preclinical stage; and IMA30x, an allogenic cellular therapy product candidate, which is in preclinical stage. The company also develops TCR Bispecifics products, including IMA401 and IMA402, which is in Phase 1a clinical trial. The company has a strategic collaboration agreement with MD Anderson Cancer Center to develop multiple T cell and TCR-based adoptive cellular therapies; Celgene Corporation to develop novel adoptive cell therapies targeting multiple cancers; and Genmab A/S to develop T cell engaging bispecific immunotherapies targeting multiple cancer indications. Immatics N.V. is headquartered in Tübingen, Germany.

Autolus Therapeutics plc, a clinical-stage biopharmaceutical company, develops T cell therapies for the treatment of cancer and autoimmune diseases. The company's clinical-stage programs include obecabtagene autoleucel (AUTO1), a CD19-targeting programmed T cell investigational therapy that is in Phase 1b/2 clinical trial for the treatment of adult ALL; AUTO1/22, which is in a Phase 1 clinical trial in pediatric patients with relapsed or refractory ALL; AUTO4, a programmed T cell investigational therapy for the treatment of peripheral T-cell lymphoma targeting TRBC1 and TRBC2; AUTO6NG, a programmed T cell investigational therapy targeting GD2 in development for the treatment of neuroblastoma; and AUTO8, a product candidate to treat multiple myeloma. It focuses on developing AUTO5, a preclinical TRBC2 programmed T cell product candidate for the treatment of peripheral T-cell lymphoma. Autolus Therapeutics plc was incorporated in 2014 and is headquartered in London, the United Kingdom.

Allogene Therapeutics, Inc., a clinical stage immuno-oncology company, develops and commercializes genetically engineered allogeneic T cell therapies for the treatment of cancer. It develops, manufactures, and commercializes UCART19, an allogeneic chimeric antigen receptor (CAR) T cell product candidate for the treatment of pediatric and adult patients with R/R CD19 positive B-cell acute lymphoblastic leukemia (ALL). The company also develops cemacabtagene ansegedleucel, an engineered allogeneic CAR T cell product candidate that targets CD19 for the treatment of large B-cell lymphoma; and is in Phase 1b clinical trial for the treatment of chronic lymphocytic leukemia. In addition, it is developing ALLO-715, an allogeneic CAR T cell product candidate that is in a Phase 1 clinical trial for treating R/R multiple myeloma; ALLO-605, an allogeneic CAR T cell product candidate that is in a Phase I clinical trial for the treatment of multiple myeloma; ALLO-647, an anti-CD52 monoclonal antibody; CD70 to treat renal cell cancer; ALLO-316, an allogeneic CAR T cell product candidate that is in Phase 1 clinical trial for the treatment of advanced or metastatic RCC; ALLO-329 for the treatment of certain autoimmune diseases; DLL3 for the treatment of small cell lung cancer and other aggressive neuroendocrine tumors; and Claudin 18.2 for the treatment of gastric and pancreatic cancer. The company has license and collaboration agreements with Pfizer Inc.; Servier; Cellectis S.A.; and Notch Therapeutics Inc. It also has a strategic collaboration agreement with The University of Texas MD Anderson Cancer Center for the preclinical and clinical investigation of allogeneic CAR T cell product candidates; and a strategic partnership with Foresight Diagnostics to develop MRD-based In-Vitro Diagnostic for use in ALPHA3. The company was incorporated in 2017 and is headquartered in South San Francisco, California.

Fate Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops programmed cellular immunotherapies for cancer and immune disorders worldwide. The company's chimeric antigen receptor (CAR)-targeted NK and T-cell product candidates include FT576 to treat multiple myeloma, and FT522, to treat lymphoma and autoimmune disorders. Its CAR T-cell programs include FT819 to treat hematologic malignancies and solid tumors, and FT825 to treat solid tumors. The company has a collaboration and option agreement with Ono Pharmaceutical Co. Ltd. for the development and commercialization of off-the-shelf, iPSC-derived CAR T-cell product candidates for the treatment of cancer. Fate Therapeutics, Inc. was incorporated in 2007 and is headquartered in San Diego, California.

Artiva Biotherapeutics, Inc., a clinical-stage biotechnology company, focuses on developing natural killer (NK) cell-based therapies for patients suffering from autoimmune diseases and cancers. The company's lead product candidate is AB-101, an off-the-shelf NK cell therapy for patients with autoimmune diseases and cancers, such as lupus nephritis, rheumatoid arthritis, pemphigus vulgaris, the anti-neutrophil cytoplasmic antibody-associated vasculitis subtypes granulomatosis with polyangiitis/microscopic polyangiitis, systemic lupus erythematosus, and B-cell-non-Hodgkin lymphoma. It also develops AB-201, an allogeneic anti- human epidermal growth factor receptor 2 chimeric antigen receptor (CAR)-NK cell product candidate; and AB-205, an allogeneic anti-CD5 CAR-NK cell product candidate. The company was incorporated in 2019 and is headquartered in San Diego, California.

Estrella Immunopharma, Inc., a clinical-stage biopharmaceutical company, develops T-cell therapies for blood cancers and solid tumors in the United States. The company's lead product candidates include EB103, which is in clinical trial, for the treatment of diffuse large B-cell lymphoma; EB104, which is in pre-clinical trial, to treat diffuse large B-cell lymphoma and acute lymphocytic leukemia; and EB201, which is in pre-clinical trial, for the treatment of systemic lupus erythematosus. It has a collaborative agreement with Imugene Limited for the development of solid tumor treatments using Imugene's product candidate CF33-CD19t in conjunction with EB103. Estrella Immunopharma, Inc. was founded in 2006 and is headquartered in EmeryVille, California.

BioAtla, Inc., a clinical-stage biopharmaceutical company, develops specific and selective antibody-based therapeutics for the treatment of solid tumor cancer. The company's lead clinical stage product candidates include mecbotamab vedotin (BA3011), a conditionally active biologic (CAB) antibody-drug conjugate (ADC), which is in Phase II clinical trial for treating undifferentiated pleomorphic sarcoma and non-small cell lung cancer (NSCLC); and ozuriftabmab vedotin (BA3021), a CAB ADC that is in Phase II clinical trial for the treatment of melanoma and squamous cell cancer of the head and neck. It is also developing Evalstotug (BA3071), a CAB anti-cytotoxic T-lymphocyte-associated antigen 4 antibody, which is in Phase II clinical trial for treating melanoma, carcinomas, and NSCLC; and BA3182, a bispecific candidate that is in Phase 1 study for the treatment of adenocarcinomas, as well as BA3361, which is in preclinical studies for treating multiple tumor types. The company was founded in 2007 and is headquartered in San Diego, California.