GSK - M&A Summary and Business Overview

Life ScienceCompany

GSK M&A Summary

GSK has acquired 35 companies, including 9 in the last 5 years. A total of 5 acquisitions came from private equity firms. It has also divested 24 assets.

GSK’s largest acquisition to date was in 2000, when it acquired SmithKline Beecham for $75.7B. It’s largest disclosed sale occurred in 2013, when it sold Lucozade Ribena Suntory to Suntory Beverage & Food Limited for $2.1B. GSK has acquired in 11 different US states, and 10 countries. The Company’s most targeted sectors include life science (80%) and medical products (9%).

GSK Business Overview

Where is GSK headquartered?

GSK is headquartered in Brentford, United Kingdom.

What is GSK’s revenue?

GSK disclosed revenue of 30,328M GBP for 2023 and 29,324M GBP for 2022.

How many employees does GSK have?

GSK has 70,212 employees.

What sector is GSK in?

GSK is a life science company.

When was GSK founded?

GSK was founded in 1715.

M&A Summary

  • M&A Total Activity59
    • M&A Buy Activity35
    • M&A Sell Activity24
  • Total Sectors Invested 5
  • Total Countries Invested 10
  • M&A Buy/Sell Connections 32
  • M&A Advisors 11

GSK

GSK plc

980 Great West Road,
Brentford, TW8 9GS
United Kingdom,
+44 20 8047 5000
www.gsk.com

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


M&A Summary

Buy vs Sell

Year ≤ '20 '21 '22 '23 '24 '25 T
Buy (1.6/yr) # 27 - 2 1 2 3 35
vol $97.1B $5.0B $2.0B $1.5B $2.6B $108.1B
Sell (0.4/yr) # 22 2 - - - - 24
vol $6.1B $500M $6.6B
  59

Most Recent M&A

Company Date Value Type
Trelegy Ellipta 2025-06-02 225M USD Divestiture
London, United Kingdom · www.trelegy.com
Efimosfermin 2025-05-14 1.2B USD Divestiture
Cambridge, Massachusetts
IDRx, Inc. 2025-01-13 1.2B USD Add-on Acquisition
Cambridge, Massachusetts · www.idrx.com
Elsie Biotechnologies 2024-06-06 50M USD Add-on Acquisition
San Diego, California · www.elsiebio.com
Aiolos Bio, Inc. 2024-01-09 1.4B USD Add-on Acquisition
San Francisco, California · www.aiolosbio.com
BELLUS Health, Inc. 2023-04-18 2.0B USD Add-on Acquisition
Laval, Quebec · www.bellushealth.com
Affinivax, Inc. 2022-05-31 2.1B USD Add-on Acquisition
Cambridge, Massachusetts · www.affinivax.com
Sierra Oncology, Inc. 2022-04-13 2.9B GBP Add-on Acquisition
San Mateo, California · www.www.sierraoncology.com
GSK - Cephalosporin Antibiotics Business 2021-02-11 500M USD Divestiture
Brentford, United Kingdom
GlaxoSmithKline plc - The Clinical Laboratory Science 2021-01-20 - Divestiture
Marburg, Germany
View All >>

Business Unit M&A

Company Acquired Add-On/Sale Date #
ViiV Healthcare 2009-11-01 Bristol-Myers - HIV R&D portfolio 2016-02-22 1
Middlesex, United Kingdom · www.viivhealthcare.com , United States
Stiefel Laboratories, Inc. 2009-04-20 Stiefel - Verdeso® (desonide) Foam 0.05% 2013-06-05 1
Research Triangle Park, North Carolina · www.stiefel.com , United States
Tesaro, Inc.    - OPKO - Rolapitant 2010-12-10 1
Waltham, Massachusetts · www.tesarobio.com , United States

M&A by Sector

Sector Buy # Value Sell # Value
Life Science 28 (80%) 102.1B (94%) 17 (71%) 2.7B (40%)
Medical Products 3 (9%) 530M (< 1%) 2 (8%) 1.1B (16%)
Healthcare Services 2 (6%) 5.2B (5%) 3 (13%) 830M (13%)
Beverages 1 (3%) 249M (< 1%) 1 (4%) 2.1B (31%)
Consumer Products 1 (3%) - 1 (4%) -
Total 35 $108.1B 24 $6.6B

By Geo

State/Country Buy Value Sell Value
United States 21 28.1B 4 1.2B
  California 6 5.0B 1 -
  Massachusetts 5 10.3B 1 -
  New Jersey 2 2.9B - -
  Montana 1 2.3B 1 700M
  Minnesota 1 566M - -
  Maryland 1 3.6B - -
  Maine 1 55M - -
  Florida 1 135M - -
  Washington 1 263M - -
  North Carolina 1 2.9B - -
United Kingdom 5 76.5B 13 5.2B
Australia - - 2 265M
Croatia - - 2 -
Germany 1 94M 1 -
India 1 - 1 -
Switzerland 2 472M - -
Argentina 1 253M - -
Belgium 1 580M - -
Canada 1 2.0B - -
  Quebec 1 2.0B - -
China 1 70M - -
Italy - - 1 -
South Africa 1 - - -
Domestic 5 (14%) 76.5B (71%) 13 (54%) 5.2B (78%)
Cross-border 30 (86%) 31.6B (29%) 11 (46%) 1.5B (22%)
Total 35 $108.1B 24 $6.6B

Top M&A Advisors

Financial Deals
Crosstree Capital Partners
2
PJT Partners
2
Evercore Group
1
Legal Deals
Cleary Gottlieb Steen & Hamilton
3
Latham & Watkins
2
Wachtell, Lipton, Rosen & Katz
1

Deal Values

buy # Total
> $1B 13 $103.3B
$100M to $1B 13 $4.5B
< $100M 5 $326M
TOTAL $108.1B
Largest SmithKline Beecham Ltd.
$75.7B (2000-01-17)
sell # Total
> $1B 3 $4.2B
$100M to $1B 6 $2.4B
TOTAL $6.6B
Largest Lucozade Ribena Suntory Ltd.
$2.1B (2013-09-09)

M&A Connections

Deals
Acquired from
Investor(s)
14%
5 (14%)
Strategic(s)
17%
6 (17%)
Divested to
Investor(s)
8%
2 (8%)
Strategic(s)
92%
22 (92%)

Try Mergr Free — See This and 215,318+
Other Company and Investor Profiles Today

Try free. Full access. Cancel anytime.

  • check  Unlimited Searches
  • check  Unlimited Profile Views
  • check  Build and Export Lists of
    • PE Backed Companies
    • Direct Investors & Acquirers
    • Advisors
    • Deals
    • & More

What's Mergr?

Mergr is a user-friendly database designed to simplify the complex world of private equity and M&A for busy professionals.

We created Mergr to eliminate the challenge of tracking company acquisitions, sales, and ownership, providing clear insights into investment firms and their activities. For example, explore a company's M&A activity, ownership history, and connections - organized to help you uncover opportunities and make informed decisions.

With Mergr, gain access to a comprehensive, interconnected web of transactions, investors, companies, and advisors - all in one place.

Mergr, the Easiest-to-Use PE and M&A DB


Key Benefits

  • Stay informed on events in your industry
  • M&A research that takes seconds (not all afternoon)
  • Better understand your customers and prospects
  • Discover active buyers (or sellers)
Search
  • 4.7K Private Equity Firms
  • 209K M&A Transactions
  • 211K Companies Involved in M&A
    (Buyer, Seller, or Target)
  • 3.7K M&A Advisors
    (Investment Banks and Law Firms)
  • 81K M&A Contacts
    (PE and M&A Advisors)

What next?

Try Free

Full access to Mergr's investor, acquirer, and transaction data starts here.

Related Lists for GSK

Life Science Companies