Eli Lilly (US) announced the acquisition of Centessa Pharmaceuticals (GB), a biotechnology company focused on rare diseases and sleep disorders, for up to $7.8 billion in cash.

Acquirer: Eli Lilly
Target: Centessa Pharmaceuticals
Deal value: $7.8 billion (cash)
Type: Acquisition
Closing date: 2026-03-31
Advisors (buy-side): Not disclosed
Advisors (sell-side): Not disclosed
Legal advisors (buy-side): Not disclosed
Legal advisors (sell-side): Not disclosed

The deal aims to bolster Eli Lilly’s portfolio in sleep disorder treatments, with Centessa’s pipeline expected to complement the existing offerings of one of the world's largest pharmaceutical companies. The acquisition also brings in several clinical-stage assets for rare diseases that fit within Eli Lilly’s strategic focus areas.

Strategic Rationale

Eli Lilly is expanding its footprint in sleep disorder treatments by integrating Centessa Pharmaceuticals' robust pipeline, which includes therapies addressing underserved medical needs. This move underscores the company's commitment to delivering innovative solutions for patients with complex and rare conditions.

Financial Context

The transaction will be funded entirely through cash on hand, positioning Eli Lilly to maintain financial flexibility while enhancing its R&D capabilities in a highly competitive market. The acquisition is expected to provide significant long-term benefits by diversifying the company’s product portfolio and strengthening its position within niche therapeutic areas.

Outlook

Eli Lilly anticipates that the acquisition of Centessa Pharmaceuticals will enhance its competitiveness in sleep disorder treatments, providing a strategic advantage over rivals. The integration of these assets is expected to deliver long-term value for shareholders and support Eli Lilly’s growth strategy in the biotech sector.