Merck Acquires Imago BioSciences for $1.35 Billion

Merck KGaA to Acquire Bio-Techne for $11.3 Billion

June 25, 2026

Healthcare Services

Merck KGaA has entered a definitive agreement to acquire Bio-Techne for $73 per share in an all-cash transaction valued at about $11.3 billion (enterprise value). The deal is expected to close in late 2026 or early 2027, subject to regulatory approvals and Bio-Techne shareholder approval.

Merck to Acquire EyeBio for up to $3 Billion

May 29, 2024

Biotechnology

Merck (through a subsidiary) will acquire Eyebiotech Limited (EyeBio) for up to $3.0 billion — $1.3 billion upfront in cash plus up to $1.7 billion in development, regulatory and commercial milestones. The acquisition—expected to close in Q3 2024 and to be accounted for as an asset acquisition—adds EyeBio's ophthalmology-focused pipeline, including lead candidate Restoret (EYE103), to Merck's growing ophthalmology presence.

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.

Merck Acquires Prometheus Biosciences

June 16, 2023

Healthcare Services

Merck (MSD outside the United States and Canada) entered into a definitive agreement to acquire Prometheus Biosciences for $200 per share in cash, valuing the equity at approximately $10.8 billion. The acquisition was expected to close in the third quarter of 2023, and Merck later announced completion of the deal, making Prometheus a wholly owned subsidiary.

SD Biosensor and SJL Partners Acquire Meridian Bioscience for $1.53B

July 7, 2022

Medical Devices

A consortium led by SD Biosensor and private equity firm SJL Partners agreed to acquire Meridian Bioscience in an all-cash transaction valued at approximately $1.53 billion ( $34.00 per share). The deal will take Meridian private and is intended to accelerate SD Biosensor's entry into the U.S. in-vitro diagnostics market while leveraging Meridian's U.S. distribution network and product portfolio.

Merck & Co., Inc. Acquires VelosBio Inc.

November 5, 2020

Biotechnology

Merck & Co., Inc. will acquire all outstanding shares of clinical-stage biopharmaceutical company VelosBio for $2.75 billion in cash. The acquisition adds VelosBio's lead investigational antibody-drug conjugate VLS-101 and ROR1-directed pipeline assets to Merck's oncology portfolio and is expected to close by the end of 2020, subject to customary conditions.