5 Best Stocks to Buy According to Billionaire Ken Griffin

4. Microsoft (NASDAQ:MSFT)

Ken Griffin’s Stake Value: $1,578,249,860

With about 39% YoY growth, Azure stands out among competitors in the cloud industry, while the overall Intelligent Cloud segment has consistently posted mid‑to‑high‑20s percentage growth.

Microsoft (NASDAQ:MSFT) can use its huge user base to monetize and benefit from its AI products. Microsoft (NASDAQ:MSFT) claims that over 80% of the Fortune 500 are using Microsoft AI technologies, and products like Microsoft 365 Copilot have seen rapid adoption across large enterprises, with Copilot deployments helping clients automate tasks and boost productivity. Microsoft’s (NASDAQ:MSFT) moat remains one of the strongest in tech, anchored by massive enterprise adoption of Windows, Office, Teams, and Azure, which creates extremely high switching costs and deep integration into corporate IT environments.

Montaka Global Investments stated the following regarding Microsoft Corporation (NASDAQ:MSFT) in its Q4 2025 investor letter:

In 2025, even advantaged cloud computing hyperscaler, Microsoft Corporation (NASDAQ:MSFT), underperformed the broader equity index. This might seem counterintuitive, given the extreme advantages of these businesses, including their favourable positioning within the AI revolution and countless meaningful growth options on the horizon. But remember: temporary underperformance relative to the market index is a feature, not a bug, of the stock price trajectories of even the most attractive investments (Click here to see the full text).