The ‘Chinese Warren Buffett' increases his stake in Nvidia stock by 1,000%

Core Insights - Duan Yongping, known as 'the Chinese Warren Buffett,' has submitted his fourth-quarter 2025 13F filing, revealing a portfolio focused on artificial intelligence and blue-chip stocks [1] Portfolio Changes - A significant increase in Nvidia (NASDAQ: NVDA) shares was noted, with Yongping adding 6,639,300 shares, raising his total stake to 7,237,100 shares, which constitutes approximately 7% of his portfolio, valued at around $1.35 billion, marking a 1,110.62% increase in share count [2][3] - New investments included CoreWeave (NASDAQ: CRWV) with 299,900 shares valued at approximately $21.48 million, Credo Technology Group Holding (NASDAQ: CRDO) with 141,300 shares worth roughly $20.33 million, and Tempus AI (NASDAQ: TEM) with 110,000 shares valued at $6.50 million [4] Position Reductions - Yongping reduced his stake in Apple (NASDAQ: AAPL) by 2,470,600 shares, a 7.09% decline, impacting the overall portfolio by 4.29% [5] - A significant cut was also made in ASML Holding NV (NASDAQ: ASML), with a reduction of 70,100 shares, representing an 87.63% decrease [5] - Other notable adjustments included a 38.24% increase in Berkshire Hathaway (NYSE: BRK) holdings, adding 1,984,896 shares, bringing the total to 7,176,196 shares valued at approximately $3.61 billion [4]