Novartis to Acquire Excellergy (Up to $2 Billion) to Expand Anti-IgE Allergy Pipeline

Eli Lilly and Company to Acquire Ventyx Biosciences

January 8, 2026

Pharmaceuticals

Eli Lilly and Company has entered into a definitive agreement to acquire Ventyx Biosciences for approximately $1.2 billion. The deal values Ventyx at $14.00 per share in cash and is expected to close in the first half of 2026, subject to shareholder and regulatory approvals.

Novo Nordisk to Acquire Akero Therapeutics for Up to $5.2 Billion

October 10, 2025

Pharmaceuticals

Akero Therapeutics announced it has entered into a definitive agreement to be acquired by Novo Nordisk A/S in a transaction valued at up to $5.2 billion in cash. Under the terms of the deal, Akero shareholders will receive $54.00 per share at closing plus a non-transferable Contingent Value Right (CVR) that could pay an additional $6.00 per share contingent on full U.S. regulatory approval of efruxifermin (EFX) for compensated cirrhosis associated with MASH.

Novartis AG Acquires Calypso Biotech BV

January 9, 2024

Pharmaceuticals

Calypso Biotech BV, focused on IL-15 targeted therapies for autoimmune diseases, agreed to be acquired by Novartis AG. Under the deal terms, Calypso shareholders will receive an upfront payment of $250 million at closing plus potential development milestones of up to $175 million.

Sanofi to Acquire Blueprint Medicines to Expand Rare Immunology Pipeline

June 2, 2025

Pharmaceuticals

Sanofi and Blueprint Medicines entered into an agreement under which Sanofi will acquire Blueprint via a cash tender offer and subsequent merger. The deal values Blueprint at $129.00 per share in cash (approximately $9.1 billion equity value), with additional potential milestone payments tied to BLU-808 via a contingent value right.

AbbVie to Acquire ImmunoGen for $10.1 Billion

November 30, 2023

Pharmaceuticals

AbbVie entered into a definitive agreement to acquire ImmunoGen, including its flagship ADC therapy ELAHERE (mirvetuximab soravtansine-gynx), in a deal valued at approximately $10.1 billion. The transaction is expected to close in mid-2024, subject to ImmunoGen shareholder approval, regulatory approvals, and other customary closing conditions.

Biogen Acquires Human Immunology Biosciences for up to $1.8B

May 22, 2024

Biotechnology

Biogen Inc. has agreed to acquire Human Immunology Biosciences (HI-Bio) for $1.15 billion upfront and up to $650 million in milestone payments, in a deal valued at up to $1.8 billion. The acquisition adds HI-Bio's lead asset felzartamab, an investigational anti-CD38 antibody with Phase 2 data in multiple renal immune-mediated diseases, to Biogen's immunology and rare-disease development capabilities.