2seventy bio, Inc. Overview
Pro stress-test →2seventy bio is a cell and gene therapy company focused on the research, development, and commercialization of transformative treatments for cancer. In March 2026, Bristol Myers Squibb announced an agreement to acquire 2seventy bio for approximately $286 million, with BMS commencing a tender offer to acquire all outstanding shares at $5.00 per share in an all-cash transaction.
Strategic Profile
Pro stress-test →Following a strategic focus initiated in 2024 to unlock the value of Abecma, the company pursued exclusive focus on its BCMA-targeted CAR T therapy for multiple myeloma. The company's lead asset Abecma is a CAR T cell therapy targeting BCMA for treating multiple myeloma, developed and commercialized jointly by 2seventy bio and Bristol Myers Squibb in the U.S.
Competitive Landscape
Pro stress-test →2seventy bio combines deep knowledge of cancer cell biology and genetics with understanding of immune response to cancer. The company competed in the immuno-oncology CAR T space alongside pure-play competitors and larger pharmaceutical players developing cellular therapies for hematologic malignancies.
Industry Context
2seventy bio, Inc. operates in CAR T cell immunotherapy.
Key facts
Founded: 2021 · Headquarters: Cambridge, US · Employees: 460 (as of 2021) · Revenue: Not disclosed · Market cap: $266M (as of January 2026)