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M&A Deal Summary

CSL Acquires VarmX

On September 19, 2025, CSL acquired life science company VarmX for 2.2B USD

Acquisition Highlights
  • This is CSL’s 4th transaction in the Life Science sector.
  • This is CSL’s 3rd largest (disclosed) transaction.
  • This is CSL’s 1st transaction in the Netherlands.

M&A Deal Summary
Date 2025-09-19
Target VarmX
Sector Life Science
Buyer(s) CSL
Deal Type Add-on Acquisition
Deal Value 2.2B USD

Target

VarmX

Leiden, Netherlands
VarmX is a biotech company focusing on the development of innovative approaches for the reversal of anticoagulation. VarmX was founded in 2016 and is based in Leiden, Netherlands.

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Buyer(S) 1

Buyer

CSL

Melobourne, Australia
Category Company
Founded 1916
Sector Life Science
Employees29,904
Revenue 15.4B AUD (2025)
DESCRIPTION

CSL is a manufacturer and marketer of pharmaceutical and diagnostic products, cell culture media and human plasma fractions. CSL was founded in 1916 and is based in Melbourne, Australia.

DEAL STATS #
Overall 4 of 4
Sector: Life Science M&A 4 of 4
Type: Add-on Acquisition M&A Deals 3 of 3
Country: Netherlands M&A 1 of 1
Year: 2025 M&A 1 of 1
Size (of disclosed) 3 of 4
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2021-12-14 CSL Vifor

Glattbrugg, Switzerland

CSL Vifor is a global pharmaceuticals company. The company is a partner of choice for pharmaceuticals and innovative patient-focused solutions. CSL Vifor was founded in 1927 and is based in Glattbrugg, Switzerland.

Buy Fr.10.9B
Mergr

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