Pharma BD Deal Intelligence

Bristol-Myers Squibb Company / 2seventy bio, Inc.

2025 · Acquisition/Merger · $286M · Complete

Outcome grade pending — assessed 5 years post-close.

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The coverage arc

Feb 05, 2025 BusinessWire / 2seventy bio Neutral

2seventy bio today reported preliminary full-year 2024 U.S. Abecma revenue of approximately $242 million, within the guidance range of $240 to $250 million…

Mar 11, 2025 BioSpace Neutral

Bristol Myers Squibb is stepping in to buy its Abecma partner 2seventy bio for $286 million, ending the biotech's tumultuous journey as a singular…

May 13, 2025 BioSpace Neutral

2seventy bio Reports First Quarter Financial Results and Provides Update on Proposed Acquisition by Bristol Myers Squibb. The company provided an update on the…

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BMS agreed to acquire 2seventy bio for $5.00/share in all-cash transaction, total equity value ~$286M, representing an 88% premium. Consolidates full ownership of Abecma CAR-T therapy previously co-developed with 2seventy under a profit-share arrangement.

Key facts

Related deals — scored

DealYearValueOutcome
Bristol-Myers Squibb Company / 2seventy bio, Inc. (this deal)2025$286M
Bristol-Myers Squibb Company / Medarex Inc.2009$2.4B92
Bristol-Myers Squibb Company / Celgene Corporation2019$74.0B77
Bristol-Myers Squibb Company / MyoKardia Inc.2020$13.1B76
Bristol-Myers Squibb Company / Karuna Therapeutics2023$14.0B76
Bristol-Myers Squibb Company / Ono Pharmaceutical Co., Ltd.201176
Bristol-Myers Squibb Company / SystImmune Inc.2023$8.4B71

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