Finance

Hedge Fund Citadel takes short position in GSK, FT reports

Published by Global Banking & Finance Review

Posted on February 14, 2025

1 min read

· Last updated: January 26, 2026

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Hedge fund Citadel takes a short position in GSK shares amidst financial market shifts - Global Banking & Finance Review
This image illustrates the financial dynamics as hedge fund Citadel takes a significant short position in GSK, valued at £305 million. It highlights the ongoing shifts in the finance sector and GSK's recent performance.
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(Reuters) - Hedge fund Citadel has made a 305 million pound ($384.5 million) bet against drugmaker GSK, the Financial Times reported on Friday. Billionaire Ken Griffin's hedge fund disclosed its net

Citadel Hedge Fund's $384.5 Million Short Bet on GSK

(Reuters) - Hedge fund Citadel has made a 305 million pound ($384.5 million) bet against drugmaker GSK, the Financial Times reported on Friday.

Billionaire Ken Griffin's hedge fund disclosed its net short position on Tuesday, with the bet worth 0.51% of GSK's stock, according to data from the Financial Conduct Authority, FT said.

Ken Griffin's Citadel, which oversees roughly $64 billion, ranks among the world's most profitable hedge funds. It, however, has not played a big role in activist investing so far.

The British drugmaker posted upbeat fourth-quarter results in early February, announcing a 2 billion pounds share buyback and lifting its long-term sales target to nearly $50 billion.

CEO Emma Walmsley has pushed GSK to growth with a focus on cancer and infectious diseases to counter a combination of patent expiries and declining revenue from its best-selling medicines by 2030.

In 2024, GSK lost 7.5% of its value, underperforming rival AstraZeneca, which was down only 1.3%.

GSK and Citadel did not immediately respond to Reuters' request for comment.

($1 = 0.7933 pounds)

(Reporting by Prerna Bedi in Bengaluru; Editing by Alan Barona)

Key Takeaways

  • Citadel has taken a $384.5 million short position in GSK.
  • The position represents 0.51% of GSK's stock.
  • GSK announced a £2 billion share buyback recently.
  • GSK aims for $50 billion in long-term sales.
  • GSK's stock underperformed AstraZeneca in 2024.

Frequently Asked Questions

What is the main topic?
The article discusses Citadel hedge fund's short position in GSK, valued at $384.5 million.
Why is GSK's stock significant?
GSK's stock is significant due to its recent share buyback and long-term sales targets.
Who is Ken Griffin?
Ken Griffin is the billionaire founder of Citadel, a leading hedge fund.

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