Merck charts course out of CDMO business with Lonza sale
Merck KGaA is selling its CDMO business to Lonza for a mid-triple-digit million-euro amount, including five US facilities and 1,100 employees. The deal aims to sharpen Merck's life sciences focus and free up resources for other areas, including pharmaceuticals. Lonza expects the acquisition to add $300 million in annual revenue starting in 2028. The transaction is expected to close in mid-2027.
How this was made

The 30-second read
Why it matters
The transaction reshapes the CDMO landscape, giving Lonza a larger US presence and new technology platforms, while providing Merck with cash to fund R&D and other strategic initiatives.
Market read
The deal is a material M&A event that could move Lonza's stock higher and impact Merck's valuation as it reallocates capital.
What to watch
Closing in 2027 may delay market reaction; integration risk of US sites could affect execution.
Background
Merck KGaA is refocusing on its core life‑sciences and pharmaceutical businesses, while Lonza seeks to grow its CDMO capabilities.
Market effects
Strengthens the CDMO sector, may pressure peers like Thermo Fisher and Catalent.
Positive for European biotech equipment suppliers and Swiss pharma stocks.
Highlights continued consolidation in contract manufacturing, relevant to global pharma supply chains.
Counterpoint
Deal could strain Merck KGaA's cash flow and distract from its core life‑sciences business.
Key entities
- companyMerck KGaA
German life‑sciences group selling its CDMO unit.
- companyLonza Group AG
Swiss contract manufacturing firm acquiring the CDMO business.



