Merck Acquires Terns Pharmaceuticals in $6.7 Billion Deal

Merck to Acquire Acceleron Pharma Inc for $11.5B

September 30, 2021

Biotechnology

Merck (through a subsidiary) entered into a definitive agreement to acquire Acceleron Pharma Inc for $180 per share in cash, for an approximate total equity value of $11.5 billion. The transaction will be completed via a tender offer followed by a merger, and is expected to close in the fourth quarter of 2021, subject to conditions including regulatory approvals and tender of at least a majority of outstanding shares.

Merck to Acquire Harpoon Therapeutics for $680M

January 8, 2024

Biotechnology

Merck has agreed to acquire clinical-stage immunotherapy company Harpoon Therapeutics for $23.00 per share in cash, representing an approximate total equity value of $680 million. The acquisition gives Merck access to Harpoon's TriTAC / ProTriTAC platforms and lead candidate HPN328 (a DLL3-targeting T‑cell engager) to enhance its oncology pipeline; the deal is expected to close in the first half of 2024, subject to customary conditions.

Genmab A/S Acquires Merus N.V. via Tender Offer

December 12, 2025

Biotechnology

Genmab A/S, through its wholly owned purchaser Genmab Holding II B.V., completed a tender offer to acquire outstanding common shares of Merus N.V. for $97.00 per share and commenced a subsequent offering period. The acquisition adds Merus' lead late‑stage oncology asset petosemtamab to Genmab's portfolio, expanding its antibody therapeutics pipeline and expected to be accretive to EBITDA by 2029.

MorphoSys Acquires Constellation Pharmaceuticals for $1.7B

June 2, 2021

Biotechnology

MorphoSys AG has agreed to acquire Constellation Pharmaceuticals for $34.00 per share in cash, valuing the transaction at approximately $1.7 billion. The deal strengthens MorphoSys' hematology-oncology pipeline by adding Constellation's mid- to late-stage candidates (pelabresib/CPI-0610 and CPI-0209) and is supported by a strategic funding partnership with Royalty Pharma that provides significant upfront and milestone funding.

Novartis to Acquire MorphoSys in $2.9 Billion Deal

February 7, 2024

Pharmaceuticals

Novartis agreed to a voluntary public takeover offer to acquire MorphoSys AG for €68 per share, valuing the deal at about €2.7 billion (reported as $2.9 billion). The acquisition is intended to expand and complement Novartis’ oncology pipeline, including pelabresib (CPI-0610) and tulmimetostat (CPI-0209).

Bristol Myers Squibb Acquires Turning Point Therapeutics

June 3, 2022

Healthcare Services

Bristol Myers Squibb will acquire Turning Point Therapeutics in a $4.1 billion, all-cash transaction at $76.00 per share under a definitive merger agreement. The deal was originally expected to close in Q3 2022, and the acquisition was completed in August 2022.