Pfizer shares rise as US investor takes $1 billion stake

Pfizer shares are on the up since US activist investor Starboard Value built up a stake in the drug maker. But strategic options appear limited

Pfizer logo is seen on Pfizer World Headquarters in Manhattan, New York
(Image credit: NurPhoto / Contributor)

Shares in American drug giant Pfizer rose by 3% this week after it emerged that US activist investor Starboard Value has built a stake of $1 billion and has contacted former executives about “turning around the struggling pharmaceuticals giant”, says Alex Ralph in The Times. Pfizer became a household name in the UK during Covid thanks to its partnership with BioNTech, which rapidly produced a vaccine, resulting in record revenue of more than $100 billion in 2022. 

However, this fillip has ebbed and Pfizer has struggled to replace “dwindling” sales of major blockbusters with new drugs. It has also faced “cut-price competition” for older best-selling drugs. Pfizer’s shares have suffered a fall of more than 50% from their peak in December 2021, says Bloomberg. Attempts to jump into the obesity market have delivered one drug that “flopped entirely”, with trials of another twice-daily pill discontinued because of side effects. 

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Dr Matthew Partridge
Shares editor, MoneyWeek

Matthew graduated from the University of Durham in 2004; he then gained an MSc, followed by a PhD at the London School of Economics.

He has previously written for a wide range of publications, including the Guardian and the Economist, and also helped to run a newsletter on terrorism. He has spent time at Lehman Brothers, Citigroup and the consultancy Lombard Street Research.

Matthew is the author of Superinvestors: Lessons from the greatest investors in history, published by Harriman House, which has been translated into several languages. His second book, Investing Explained: The Accessible Guide to Building an Investment Portfolio, is published by Kogan Page.

As senior writer, he writes the shares and politics & economics pages, as well as weekly Blowing It and Great Frauds in History columns He also writes a fortnightly reviews page and trading tips, as well as regular cover stories and multi-page investment focus features.

Follow Matthew on Twitter: @DrMatthewPartri