Lonza to Acquire Five US CDMO Sites from Merck KGaA - Summary - MDSpire
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Lonza to Acquire Five US CDMO Sites from Merck KGaA

  • November 11, 2026

  • 3 min

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Objective:

The article examines the objective, findings, and clinical context described in Lonza to Acquire Five US CDMO Sites from Merck KGaA.

Approach:
  • Transaction: Lonza agreed to acquire five US sites and associated businesses for a low- to mid-triple-digit-million Swiss franc amount. Closing is expected in mid-2027, subject to regulatory approval and customary conditions.
  • Sites and capabilities: The sites are in St. Louis, Missouri; Madison and Verona, Wisconsin; Carlsbad, California; and Indianapolis, Indiana. Their capabilities include bioconjugation, high-potency payload-linkers, viral vectors, lipid nanoparticles, liposomes, PEGylated proteins, an…
  • Workforce and operations: Approximately 1,100 employees are expected to transfer to Lonza. Its US CDMO workforce would exceed 6,000, and its US manufacturing sites would increase from four to nine.
  • Merck portfolio: Merck KGaA said the divestment supports a focus on Life Science consumables, technologies, and services. Its BioReliance Contract Testing Services business is excluded and will remain with Merck.
Key Findings:
  • The acquired sites are expected to generate approximately CHF250 million in sales in 2028.
  • Lonza said the sites’ initial core EBITDA margin will be below the group average, with profitable growth expected as integration proceeds and existing capacity is used more fully.
  • Further investment will depend on market demand.
  • The businesses will operate independently until closing; the companies said customer programs and supply continuity will be priorities during the transition.
Interpretation:

Lonza said the acquisition will expand its US CDMO footprint and support products from clinical development through commercial manufacturing, including in antibody-drug conjugates and cell and gene therapies.

Limitations:
  • The transaction remains subject to regulatory approval and other customary closing conditions.
  • The source does not provide the exact purchase price.
Sources:

Original Source(s)

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