MorphoSys Acquires Constellation Pharmaceuticals for $1.7B

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.

Pharmacosmos Acquires G1 Therapeutics

August 7, 2024

Biotechnology

Pharmacosmos A/S, through its U.S. affiliate Pharmacosmos Therapeutics Inc., agreed to acquire all outstanding shares of G1 Therapeutics, Inc. for $7.15 per share in cash, implying an approximate equity value of $405 million. The deal brings G1's FDA-approved oncology product COSELA into Pharmacosmos' commercial portfolio to accelerate patient access and expand Pharmacosmos' presence in oncology and supportive care.

AstraZeneca Acquires Fusion Pharmaceuticals

March 19, 2024

Biotechnology

AstraZeneca has entered into a definitive agreement to acquire Fusion Pharmaceuticals Inc., a clinical-stage company developing next-generation actinium-based radioconjugates, for $21.00 per share in cash plus a non-transferable contingent value right that could bring the total to approximately $2.4 billion. The acquisition adds Fusion's pipeline (including FPI-2265 for mCRPC), R&D and manufacturing capabilities in radioconjugates and strengthens AstraZeneca's oncology portfolio and presence in Canada.

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).

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.

Astellas Pharma Acquires Xyphos Biosciences

December 26, 2019

Biotechnology

Astellas Pharma has acquired Xyphos Biosciences, gaining Xyphos' ACCEL convertible-CAR technology platform and immuno-oncology talent. The deal included $120 million paid at closing and potential milestone payments bringing the total transaction value to up to $665 million.