M&A Deal Summary

GSK Acquires Trelegy Ellipta

On June 2, 2025, GSK acquired medical products company Trelegy Ellipta from Theravance Biopharma for 225M USD

Acquisition Highlights
  • This is GSK’s 3rd transaction in the Medical Products sector.
  • This is GSK’s 23rd largest (disclosed) transaction.
  • This is GSK’s 5th transaction in the United Kingdom.

M&A Deal Summary

Date 2025-06-02
Target Trelegy Ellipta
Sector Medical Products
Buyer(s) GSK
Sellers(s) Theravance Biopharma
Deal Type Divestiture
Deal Value 225M USD

Target

Trelegy Ellipta

London, United Kingdom
Trelegy Ellipta is a prescription inhaled medication formulated for the long-term maintenance treatment of chronic obstructive pulmonary disease, including emphysema and chronic bronchitis, and, in some instances, for asthma in adults. Trelegy Ellipta is based in London, United Kingdom.

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Buyer(S) 1

Buyer

GSK

Brentford, United Kingdom

Category Company
Founded 1715
Sector Life Science
Employees68,629
Revenue 31.4B GBP (2024)
DESCRIPTION
Entrance to a GlaxoSmithKline facility in Morristown, New Jersey.
Entrance to a GlaxoSmithKline facility in Morristown, New Jersey.

GSK is a multinational pharmaceutical, biologics, vaccines and consumer healthcare company. GSK was founded in 1715 and is based in Brentford, United Kingdom.


DEAL STATS #
Overall 35 of 35
Sector: Medical Products M&A 3 of 3
Type: Divestiture M&A Deals 7 of 7
Country: United Kingdom M&A 5 of 5
Year: 2025 M&A 3 of 3
Size (of disclosed) 23 of 31
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-05-14 Efimosfermin

Cambridge, Massachusetts, United States

Efimosfermin is a novel, once-monthly fibroblast growth factor 21 analog therapeutic in clinical development for the treatment of metabolic dysfunction-associated steatohepatitis, including cirrhosis, and future development in alcohol-related liver disease. Efimosfermin is based in Cambridge, Massachusetts.

Buy $1.2B

Seller(S) 1

SELLER

Theravance Biopharma

South San Francisco, California, United States

Category Company
Founded 2013
Sector Life Science
Employees97
Revenue 64M USD (2024)
DESCRIPTION

Theravance Biopharma is a biopharmaceutical company with one approved product, VIBATIV® (telavancin), that was discovered and developed internally, a pipeline of internally discovered product candidates and strategic collaborations with pharmaceutical companies. Theravance Biopharma was founded in 2013 and is based in George Town, Caymen Islands.


DEAL STATS #
Overall 2 of 2
Sector: Medical Products M&A 1 of 1
Type: Divestiture M&A Deals 2 of 2
Country: United Kingdom M&A 1 of 1
Year: 2025 M&A 1 of 1
Size (of disclosed) 1 of 2
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2018-11-06 Theravance Biopharma - VIBATIV

South San Francisco, California, United States

Theravance Biopharma, Inc. - VIBATIV is patented, FDA approved anti-infective for the treatment of certain serious bacterial infections including hospital-acquired and ventilator-associated bacterial pneumonia and complicated skin & skin structure infections. It addresses a range of Gram-positive bacterial pathogens, including those that are considered difficult-to-treat and multidrug-resistant.

Sell $20M