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Billionaire Ken Griffin’s Citadel hedge fund, known for its impressive returns, is making headlines again by returning a staggering $7 billion to investors. This move follows last year’s success when the hedge fund similarly distributed substantial profits. An insider has recently disclosed to Reuters that Citadel plans to replicate this success by returning around $7 billion to investors, fueled by double-digit gains in 2023.

1. Microsoft (NASDAQ: MSFT)
At the end of the third quarter, Citadel’s fund held over 5 million shares of Microsoft, valued at approximately $1.6 billion. Microsoft has been a standout performer in 2023, witnessing a remarkable 55% surge in its shares. Notably, Citadel’s position in Microsoft extends beyond these figures, considering its significant holding in Activision Blizzard, acquired by Microsoft in October.
Key Highlights:
- Citadel’s second-largest holding, Activision Blizzard, strengthens Microsoft’s position, especially in the gaming sector.
- Microsoft’s dominance in technology, particularly in gaming and artificial intelligence (AI), contributes to its appeal.
- Integration of OpenAI’s ChatGPT-4 enhances Microsoft’s presence in AI, supporting Azure cloud platform growth.
2. Boston Scientific (NYSE: BSX)
Citadel has maintained a position in Boston Scientific since 2013, holding over 21 million shares valued at over $1.1 billion as of the end of Q3. With a substantial gain of approximately 6x since the initial purchase, Boston Scientific continues to be a solid performer in 2023, registering a gain of over 20%.
Factors Driving Citadel’s Interest:
- Strong growth prospects in healthcare markets, especially with aging populations.
- Boston Scientific’s exposure to high-growth segments within the medical technology space.
- Emphasis on innovation and AI integration, with around 90 new products launched in 2023.
3. SPDR S&P 500 ETF Trust (NYSEMKT: SPY)
Surprisingly, Citadel’s third-largest holding (excluding Activision Blizzard) at the end of Q3 was the SPDR S&P 500 ETF Trust, with over 2.4 million shares valued at a little over $1 billion. Despite not aiming to outperform the market, SPY has seen a robust 21% increase in 2023.
Insights on Citadel’s ETF Holdings:
- SPY, as the largest S&P 500 ETF globally, reflects Citadel’s diversified investment approach.
- While SPY won’t beat the market, it has delivered favorable returns, aligning with Citadel’s portfolio strategy.
- Citadel also holds positions in other S&P 500 ETFs, including the iShares Core S&P 500 ETF and the Vanguard S&P 500 ETF.
As Citadel prepares to return substantial profits to investors, its strategic holdings in Microsoft, Boston Scientific, and diverse ETFs underscore Ken Griffin’s successful investment approach, emphasizing growth, innovation, and market diversity.