10 Best UK Stocks to Buy According to Billionaires

8. Arm Holdings plc (NASDAQ:ARM)

Number of Billionaire Investors: 10

Value of Billionaire Holdings: $234.65 million

Arm Holdings plc (NASDAQ:ARM) was established in 1990 and is headquartered in Cambridge, UK. The company manufactures and sells microprocessors, system and physical IPs, GPUs, software, and tools to semiconductor companies and OEMs. On April 1, 2025, Arm Holdings acquired a UK-based Alphawave to access critical tech for developing AI processors. Alphawave is a provider of semiconductor intellectual property.

On February 5, Arm Holdings plc (NASDAQ:ARM) reported its financial results for Q3 2025. The company’s revenue grew 19% year-over-year to record high levels, outperforming the top end of its guidance, supported by the deployment of v9 and robust demand for chips based on its Compute Subsystems. ARM also got royalty revenue from chips for smartphones, data centers, networking equipment, and automotive—all of which came within Wall Street expectations.

In November 2024, Loop Capital maintained a Buy rating on Arm Holdings plc (NASDAQ:ARM), and raised the price target on the shares from $130 to $180. The firm observed that ARM will have many growth catalysts in the future. Arm Holdings plc (NASDAQ:ARM) can potentially expand into the PC market since it already has a solid presence in the smartphone and data center industries.

In Q4 2024, Arm Holdings plc (NASDAQ:ARM) was part of 10 billionaire portfolios, making it one of the best UK stocks to buy.