5 Best Stocks to Buy According to Billionaire Paul Tudor Jones

2. Amazon.com, Inc. (NASDAQ:AMZN)

Tudor Investment Corp’s Stake: $360 Million

Amazon.com, Inc. (NASDAQ:AMZN) has been a staple in the 13F portfolio of Tudor Investment Corp for many years. The stock first made an appearance in the portfolio of the fund back in late 2011, with the stake comprising under 30,000 shares. However, Tudor increased this holding to 1.7 million shares at its peak in the middle of 2017. Following this, the position was trimmed and remained under 800,000 shares. Filings for the fourth quarter of 2025 show that Tudor has turned bullish on the shares once again. At the end of 2025, the fund owned 1.6 million shares in the firm, up 94% compared to filings for the third quarter of 2025.

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Hedge funds like Amazon.com, Inc. (NASDAQ:AMZN) stock because of the growth inflection at Amazon Web Services. In February 2026, AWS reported a 24% year-over-year revenue surge to $35.6 billion, its fastest growth rate in over three years. Institutional investors are targeting the massive $400 billion AWS backlog expected by the end of 2026. Hedge funds also view Amazon’s Trainium and Inferentia chips as a long-term margin protector against NVIDIA’s high prices, allowing AWS to offer cheaper AI training than its rivals. In addition, Amazon’s advertising business has evolved into the company’s secret profit engine. Hedge funds are buying based on projections that Amazon’s ad revenue will hit $82 billion by the end of 2026, driven by the sophistication of its AI-driven ad auction system. While retail margins hover around 5-7%, advertising operating margins are near 50%.