Growth Stock Portfolio: 12 Stock Picks By Warren Buffett

5. T-Mobile US Inc. (NASDAQ:TMUS)

5-year average revenue growth (YoY): 14.24%

Warren Buffett’s Growth Stock Portfolio includes the wireless network provider T-Mobile US, Inc. (NASDAQ:TMUS), which is situated in Washington. The company has performed exceptionally well this year, rising by over 20% in 2025 so far. Its focus on expansion and strategy of setting itself apart from rivals by establishing itself as the “un-carrier” brand has made it a desirable telecom stock in recent years.

In an advertisement during the February 9 Super Bowl, T-Mobile US, Inc. (NASDAQ:TMUS) announced the introduction of T-Mobile Starlink, a satellite-based mobile service created in collaboration with Starlink that is currently in public beta. In areas of the United States where conventional cell towers are not available, the service seeks to offer connections across 500,000 square miles. Text messaging will be supported at first, while voice calls and data will be added later.

T-Mobile US, Inc. (NASDAQ:TMUS) continued to dominate the US wireless market in the fourth quarter, gaining 903,000 net postpaid phone users and generating a 5.5% annual increase in service revenue. According to management, growth will continue at a similar rate, with 5.5 million to 6.0 million new postpaid customers anticipated by 2025.

Warren Buffett’s Berkshire Hathaway was the largest stakeholder in the company among the funds in Insider Monkey’s database at the end of Q4 2024. It owns 4.35 million shares worth $960.18 million as of Q4.