Lyell Immunopharma, Inc., a clinical-stage cell therapy company, develops T cell reprogramming technologies for patients with solid tumors. The company develops therapies using an ex vivo genetic reprogramming technologies, such as c Jun overexpression and NR4A3 gene knockout, to endow resistance to T cell exhaustion; and an ex vivo epigenetic reprogramming technologies, including Epi R to generate population of T cells with durable stemness, and Stim R, a proprietary synthetic cell mimetic. It is also developing LYL797, a genetically and epigenetically reprogrammed ROR1 chimeric antigen receptor (CAR) T cell product candidate that is in Phase 1 clinical trial for the treatment of various solid tumors; and LYL845, a novel epigenetically reprogrammed tumor-infiltrating lymphocytes product candidate, which is in Phase 1 clinical trial targeting multiple solid tumor indications. In addition, the company's preclinical product candidates include LYL119, a ROR1 CAR T-cell product for the treatment of enhanced cytotoxicity; and second generation TIL product. Lyell Immunopharma, Inc. was incorporated in 2018 and is headquartered in South San Francisco, California.

ImmunityBio, Inc., a clinical-stage biotechnology company, engages in developing therapies and vaccines that bolster the natural immune system to defeat cancers and infectious diseases. Its platforms for the development of biologic product candidates include antibody-cytokine fusion proteins; DNA, RNA, and recombinant protein vaccines; and cell therapies. The company's platforms have generated therapeutic agents that are currently being or planned to be studied in clinical trials across various indications in liquid and solid tumors, including bladder, lung and colorectal cancers, and glioblastoma multiforme. Its lead biologic product candidate is Anktiva, an FDA-approved immunotherapy in combination with bacillus calmette-guérin (BCG) for the treatment of adult patients with BCG unresponsive non-muscle invasive bladder cancer with carcinoma in situ, with or without papillary tumors. The company has collaboration agreements with National Cancer Institute. It also has license agreements with 3M Innovative Properties Company; Access to Advanced Health Institute; LadRx Corporation; Sanford Health; Shenzhen Beike Biotechnology Co. Ltd.; Viracta Therapeutics, Inc.; and GlobeImmune, Inc. The company is based in San Diego, California.

Poseida Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on developing therapeutics for patients with high unmet medical needs. The company's development candidates for Heme Malignancies includes P-BCMA-ALLO1, which is in Phase I trial to treat patients with relapsed/refractory multiple myeloma; P-CD19CD20-ALLO1, which is in Phase I trial for treating B cell malignancies and other autoimmune diseases; P-BCMACD19-ALLO1, an allogeneic, off-the-shelf CAR-T product candidate in preclinical development for treating multiple myeloma; and P-CD70-ALLO1 under preclinical development to treat hematological indications. It is also involved in the development of P-MUC1C-ALLO1 that is in Phase I trial for treating a range of solid tumors, including breast, colorectal, lung, ovarian, pancreatic, and renal cancers; P-PSMA-ALLO1, an autologous chimeric antigen receptor T cell (CAR-T) product candidate that is in preclinical development for the treatment of patients with metastatic castrate resistant prostate cancer (mCRPC); and P-PSMA-101, an allogeneic CAR-T product candidate under Phase 1 clinical trial for treating mCRPC. In addition, the company engages in the development of P-FVIII-101, a clinical stage liver-directed gene therapy for the in vivo treatment of hemophilia A; P-OTC-101, a clinical stage liver-directed gene therapy for the in vivo treatment of ornithine transcarbamylase deficiency; and P-PAH-101, a clinical stage liver-directed gene therapy for the in vivo treatment of phenylketonuria. It has a research collaboration and license agreement with F. Hoffmann-La Roche Ltd, and Hoffmann-La Roche Inc. The company was incorporated in 2014 and is headquartered in San Diego, California.

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.

Nkarta, Inc., a clinical-stage biopharmaceutical company, develops and commercializes natural killer cell therapies for cancer and autoimmune disease treatment. The company's lead product candidate is NKX019, a chimeric antigen receptor-natural killer (CAR NK) targeting the CD19 antigen that is in Phase 1 clinical trial for the treatment of relapsed/refractory (r/r) non-hodgkin lymphoma, as well as for lupus nephritis. It also develops NKX101, a CAR NK product candidate targeting cells that display NKG2D ligands, which is in Phase I clinical trial for the treatment of r/r acute myeloid leukemia or higher risk myelodysplastic syndromes, as well as for solid tumors. In addition, the company develops NKX070, targeting the CD70 tumor antigen to treat solid and liquid tumors; and NK+T cell therapy for use in the treatment of oncology, autoimmune disease, or infectious disease. It has a research collaboration agreement with CRISPR Therapeutics AG. Nkarta, Inc. was incorporated in 2015 and is based in South San Francisco, California.

Atara Biotherapeutics, Inc. engages in the development of transformative therapies for patients with solid tumors, hematologic cancers, and autoimmune diseases in the United States and the United Kingdom. Its lead product includes Tab-cel (tabelecleucel), a T-cell immunotherapy program that is in Phase 3 clinical trials for the treatment of epstein-barr virus (EBV) driven post-transplant lymphoproliferative disease, as well as nasopharyngeal carcinoma. Its CAR T immunotherapy pipeline products include ATA3219, currently in Phase 1 trials, as well as ATA3431, under preclinical trials for the treatment of B-cell malignancies and autoimmune diseases; and ATA188 that is in Phase 2 clinical trials to treat multiple sclerosis. The company has research collaboration agreements with Memorial Sloan Kettering Cancer Center, and Council of the Queensland Institute of Medical Research. Atara Biotherapeutics, Inc. was incorporated in 2012 and is headquartered in Thousand Oaks, 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.

Senti Biosciences, Inc. operates as a preclinical biotechnology company that develops next-generation cell and gene therapies engineered with its gene circuit platform technologies for various diseases. Its lead product candidates utilize allogeneic chimeric antigen receptor natural killer (CAR-NK) cells outfitted with its gene circuit technologies in various oncology indications. The company product candidates include SENTI-202, a Logic Gated OR+NOT off-the-shelf CAR-NK cell therapy designed to target and eliminate cancer cells while sparing the healthy bone marrow; and SENTI-301A for the treatment of hepatocellular carcinoma. It also develops SENTI-401, a Logic Gated off-the-shelf CAR-NK cell therapy designed to target and eliminate colorectal cancer/CRC cells. In addition, the company develops Tumor-Associated Antigen and Protective Antigen Paired Discovery Platform to select and validate NOT GATE antigen candidates and identify tumor-associated antigens in cancer cells. The company has a strategic collaboration with Celest Therapeutics (Shanghai) Co. Ltd for the clinical development of SENTI-301A to treat solid tumors. Senti Biosciences, Inc. was incorporated in 2016 and is headquartered in South San Francisco, California.