AbbVie to Acquire ImmunoGen for $10.1 Billion

Gilead Sciences Acquires Immunomedics

September 13, 2020

Biotechnology

Gilead Sciences agreed to acquire Immunomedics for $88.00 per share in an all-cash transaction valuing Immunomedics at approximately $21 billion. The acquisition gives Gilead global rights (outside certain Asian territories) to Trodelvy, an FDA‑approved antibody‑drug conjugate for metastatic triple‑negative breast cancer, and accelerates Gilead’s expansion into oncology.

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.

Genmab Acquires ProfoundBio for $1.8 Billion

April 3, 2024

Biotechnology

Genmab A/S will acquire clinical-stage biotech ProfoundBio, Inc. in an all-cash transaction valued at USD 1.8 billion to obtain worldwide rights to ProfoundBio's pipeline of antibody-drug conjugates (ADCs), including rinatabart sesutecan (Rina-S). The deal is intended to broaden and strengthen Genmab's oncology and ADC capabilities and is expected to close in the first half of 2024, subject to customary conditions.

Merck Acquires OncoImmune

November 23, 2020

Biotechnology

Merck will acquire all outstanding shares of clinical-stage biopharmaceutical OncoImmune for $425 million upfront in cash, with additional sales-based and regulatory milestone payments possible. The deal centers on accelerating development of OncoImmune’s CD24Fc for severe and critical COVID-19; non-CD24Fc assets will be spun out into a new company in which Merck will invest $50 million for a minority stake.

Merck to Acquire Imago BioSciences, Inc.

November 21, 2022

Pharmaceuticals

Merck has agreed to acquire clinical-stage biopharmaceutical company Imago BioSciences for $36.00 per share, representing an approximate equity value of $1.35 billion. The acquisition adds Imago's lead LSD1 inhibitor bomedemstat to Merck's hematology pipeline and is expected to close after a tender offer and customary regulatory clearances in early 2023.

Amgen Acquires Teneobio for $900M with Up to $1.6B in Milestones

July 27, 2021

Biotechnology

Amgen agreed to acquire clinical-stage biotechnology company Teneobio for $900 million in upfront cash plus potential contingent milestone payments up to $1.6 billion. The acquisition adds Teneobio's heavy-chain antibody discovery platform, bispecific/multispecific antibody technologies and a Phase 1 T-cell engager (TNB-585), strengthening Amgen's antibody research capabilities and oncology pipeline.