How many acquisitions has Pfizer made so far?

Pfizer has completed 41 acquisitions so far, with an average acquisition amount of $10B.

Which countries does Pfizer usually acquire in?

Pfizer has made acquisitions in 5 countries with the most activity in United States and United Kingdom.

In which year did Pfizer make the most acquisitions?

Pfizer was most active in 2008, with 4 acquisitions completed in that year.

List of 41 Acquisitions by Pfizer (Nov 2026)

Q: Which is Pfizer's latest acquisition?

Pfizer's most recent acquisition is Metsera, a Biopharmaceutical company focusing on medicines for obesity and metabolic diseases, acquired in September 2025.

Most viewed in 2019

Pfizer has made a total of 41 acquisitions. The firm’s peak activity occurred in 2008 and 2007, with 4 acquisitions each, and in 2022, with 3 acquisitions. Its investment activity spans 23 sectors, including Oncology, Diversified Pharmaceuticals, and Infectious Diseases, across 5 countries, notably the United States, United Kingdom, and Canada. The average number of acquisitions per year from 2020 to 2025 is 1.6, with 0 acquisitions completed in the current calendar year. In September 2025, the firm completed its most recent acquisition of Metsera, a New York City-based biopharmaceutical company founded in 2022 that focuses on medicines for obesity and metabolic diseases.

Here's the year on year acquisition history of Pfizer:

Number of Total Acquisitions

Year	# Acquisitions
2025	1
2023	1
2022	3
2021	3
2019	2
2016	3
2015	2
2014	2
2012	3
2011	2
2010	3
2008	4
2007	4
2006	2
2005	3
2004	1
2003	1
2002	1

View all Acquisitions by Pfizer

Recent acquisitions by Pfizer

Pfizer's most recent acquisition - Metsera is a Biopharmaceutical company focusing on medicines for obesity and metabolic diseases, founded in 2022 and located in New York City. Pfizer acquired it in September 2025 for a price of $*****.

Here is the list of all acquisitions by Pfizer sorted by the latest acquisition date:

Acquired on	Acquired Company	Acquisition Price	Facilitators	Stake Acquired	Acquisition Multiple
Sep 22, 2025	Metsera	wulc	t{gy	86	492
Mar 13, 2023	Seattle Genetics	rykv	btl{	45	948
Aug 08, 2022	GBT	sfku	zhkn	35	329
May 10, 2022	Biohaven Pharmaceutical	aqzi	zhmf	18	663
Apr 07, 2022	ReViral	dlrk	vfoq	26	103