GSK Acquires Elsie Biotechnologies for up to $50M

GSK to Acquire Sierra Oncology for $1.9 Billion

April 13, 2022

Biotechnology

GlaxoSmithKline plc (GSK) has entered into an agreement to acquire late-stage biopharmaceutical company Sierra Oncology, Inc. for $1.9 billion (approximately $55 per share in cash). The acquisition is intended to bring Sierra’s lead asset momelotinib—an investigational targeted therapy for myelofibrosis and anemia—into GSK’s specialty medicines portfolio.

GSK to Acquire IDRx in Up-to $1.15 Billion Deal

January 15, 2025

Biotechnology

GSK has entered into an agreement to acquire IDRx, a Boston-based clinical-stage biopharmaceutical company focused on precision therapeutics for GIST. The deal includes an upfront payment of $1 billion plus a potential additional $150 million success-based regulatory milestone payment.

GSK to Acquire Aiolos Bio

January 9, 2024

Pharmaceuticals

GSK plc has entered an agreement to acquire Aiolos Bio, a clinical-stage biopharmaceutical company focused on unmet needs in respiratory and inflammatory conditions, for a $1 billion upfront payment and up to $400 million in success-based regulatory milestone payments. The deal gives GSK access to Aiolos’ AIO-001, a long-acting anti-TSLP monoclonal antibody (phase II-ready) intended for adult asthma and potentially additional indications.

Gilead Sciences Acquires MiroBio

September 20, 2022

Biotechnology

Gilead Sciences completed the acquisition of U.K.-based biotechnology company MiroBio for approximately $405 million in cash. The deal gives Gilead MiroBio's discovery platform and portfolio of immune inhibitory receptor agonists, including lead investigational antibody MB272, which is in Phase 1 clinical trials.

GSK to Acquire BELLUS Health for $2.0 Billion

April 18, 2023

Biotechnology

GSK plc entered into an agreement to acquire BELLUS Health Inc. in a cash deal valued at approximately US$2.0 billion (US$14.75 per share). The acquisition is intended to give GSK access to camlipixant, a late-stage (phase III) highly selective P2X3 antagonist for refractory chronic cough, with anticipated regulatory approval and launch in 2026 and expected EPS accretion from 2027.

Eli Lilly Acquires Sigilon Therapeutics

June 29, 2023

Biotechnology

Eli Lilly agreed to acquire Sigilon Therapeutics in a cash tender offer valuing the biotech at roughly $34.6 million up front plus contingent value rights that could increase total consideration to about $309.6 million. The acquisition brings Sigilon's encapsulated cell therapy platform (including SIG-002 for type 1 diabetes) into Lilly's diabetes and cell-therapy R&D efforts to accelerate development and potential commercialization.