Hu Xiu·2025-08-15 00:45Core Insights - Berkshire Hathaway, led by Warren Buffett, has resumed selling its largest holding, Apple, and has further reduced its stake in Bank of America while making significant investments in UnitedHealth and revealing new positions in Nucor and two real estate stocks [1][8][12]. Investment Actions - In Q2, Berkshire purchased approximately 5.04 million shares of UnitedHealth, with a market value of about $1.57 billion, making it the 18th largest holding [2][15]. - The "mystery" holding Nucor Steel was revealed, with Berkshire acquiring 6.61 million shares valued at over $857 million, ranking as the 25th largest holding [3][5]. - Berkshire also bought around 7.05 million shares of Lennar, valued at approximately $780 million, and over 1.48 million shares of D.R. Horton, valued at about $191 million [6][7]. Reductions in Holdings - Berkshire reduced its Apple holdings by 20 million shares, a decrease of 6.67%, bringing its total to approximately 280 million shares, with a market value reduction of $4.1 billion [8][10]. - The stake in Bank of America was cut by about 26.31 million shares, a 4.71% decrease, with a market value reduction of $1.24 billion [11][12]. - Berkshire completely exited its position in T-Mobile, selling 3.88 million shares [13]. Portfolio Composition - By the end of Q2, Apple's holding represented 22.31% of Berkshire's portfolio, while Bank of America accounted for 11.12% [10][11]. - Chevron was the only stock among the top ten holdings to see an increase, with Berkshire adding 3.45 million shares, although its percentage of the portfolio decreased from 7.69% to 6.79% due to a decline in stock price [19]. Market Reactions - Following the disclosure of Berkshire's investment in UnitedHealth, the stock price surged over 9% in after-hours trading [16].