This Billionaire's Biggest Holding Is Up 80% Since April

Company Overview - Vistra Corporation is the largest competitive power generator in the U.S., with approximately 41,000 megawatts of generation capacity, primarily from natural gas (59%), coal (21%), and nuclear (16%) sources, with only 4% from non-nuclear renewables [4][5] - The company serves about 5 million retail customers across 16 states through various retail electricity brands [5] Recent Performance - Vistra's stock price has experienced significant growth, soaring 257.9% in 2024 and an additional 80% since April 2025, with a total increase of over 875% in the past five years [7] - Lone Pine Capital increased its stake in Vistra by 40.5%, making it the firm's No. 1 holding at 8.92% of the portfolio, valued at $1.25 billion [2][8] Market Dynamics - The surge in Vistra's share price is attributed to rising demand for electricity in the U.S., driven by data centers and AI applications, while supply remains constrained due to the lengthy process of establishing new generation facilities [10] - The company benefits from rising wholesale and retail electricity prices, enhancing its profitability as both a wholesaler and retailer [10] Regulatory Environment - Vistra's operations are less vulnerable to policy changes affecting renewable energy, as it has received a 20-year license extension for its Perry Nuclear Plant, ensuring continued benefits from nuclear production tax credits [11] - Delays in solar and wind project implementations may lead to additional capacity constraints, further increasing demand for Vistra's existing generation capacity [12]