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 (Aug 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.

Pfizer has made a total of 41 acquisitions. The company has invested across 22 distinct Oncology, Diversified Pharmaceuticals, and Infectious Diseases sectors in 5 countries, including United States, United Kingdom, and Canada. Peak activity occurred in 2008 and 2007, with 4 acquisitions each, and 2022, with 3 acquisitions. Between 2020 and 2025, the average number of acquisitions per year was 1.6, with 0 acquisitions completed in the current calendar year. Its most recent acquisition is Metsera, a biopharmaceutical company founded in 2022 and based in New York City that focuses on medicines for obesity and metabolic diseases. This transaction was finalized in September 2025.

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	ly{r	vldl	80	529
Mar 13, 2023	Seattle Genetics	iwze	kgix	90	580
Aug 08, 2022	GBT	lkmu	bthr	13	701
May 10, 2022	Biohaven Pharmaceutical	dilp	bhlt	72	331
Apr 07, 2022	ReViral	wvsd	ytin	70	197