Core Viewpoint - Warren Buffett's final operational decisions before retirement have garnered significant attention from global investors, particularly regarding Berkshire Hathaway's portfolio adjustments in Q4 2025 [1][2]. Group 1: Portfolio Adjustments - In Q4 2025, Berkshire Hathaway significantly reduced its holdings in Amazon, with the stock's portfolio share dropping from 0.82% in Q3 to 0.19%, a decrease of 0.63 percentage points, and the number of shares reduced to approximately 2.3 million [4]. - Berkshire also continued to sell Apple shares, reducing its holdings by over 10.29 million shares, a 4.3% decrease from Q3, with the stock's portfolio share slightly declining from 22.69% to 22.60% [4]. - Additionally, Berkshire reduced its stake in Bank of America by approximately 50.8 million shares, an 8.9% decrease from Q3 [4]. Group 2: New Investments - The only new position taken by Berkshire in Q4 2025 was in The New York Times, acquiring over 5.06 million shares valued at approximately $352 million [6]. - Following the disclosure of this investment, The New York Times' stock price surged over 10% in after-hours trading, although the increase later moderated [7]. Group 3: Increased Holdings - Berkshire Hathaway increased its holdings in Chevron by over 8.09 million shares, raising its portfolio share from Q3 to 7.24% [7]. - The company also increased its stake in Chubb Limited (formerly known as ACE Limited) by approximately 2.92 million shares, with its portfolio share rising from 3.31% in Q3 to 3.90% [7]. - Additionally, Berkshire added 368,000 shares of Domino's Pizza to its portfolio [8].

Core Insights - Major Wall Street financial institutions have submitted their latest 13F reports to the SEC, revealing their stock holdings and positions for the third quarter, indicating shifts in investment strategies among large investors [1][2]. Group 1: Morgan Stanley's Activity - Morgan Stanley's total market value of holdings reached $1.67 trillion, up from $1.53 trillion in the previous quarter [2]. - The firm made 864 new purchases, increased holdings in 3,144 stocks, reduced holdings in 2,747 stocks, and completely sold out of 527 stocks [2]. - The top ten holdings accounted for 26.36% of the total market value [2]. Group 2: Top Holdings of Morgan Stanley - Nvidia became Morgan Stanley's largest holding, surpassing Microsoft, with 489 million shares valued at approximately $91.17 billion, representing 5.46% of the portfolio [3]. - Microsoft is the second-largest holding with 159 million shares valued at $82.25 billion, making up 4.93% of the portfolio [4]. - Apple ranks third with 237 million shares valued at $60.26 billion, accounting for 3.61% of the portfolio [4]. Group 3: Invesco's Activity - Invesco reported a total market value of $630 billion, an increase from $590 billion in the previous quarter [8]. - The firm made 131 new purchases, increased holdings in 2,005 stocks, reduced holdings in 1,597 stocks, and sold out of 104 stocks [8]. - Nvidia was the top holding with approximately 143 million shares valued at $26.64 billion, representing 4.20% of the portfolio [9]. Group 4: Wells Fargo's Activity - Wells Fargo's total market value reached $530 billion, reflecting a 2.02% increase from the previous quarter [12]. - The firm added 501 new stocks, increased holdings in 3,686 stocks, reduced holdings in 2,068 stocks, and sold out of 562 stocks [13]. - Notably, Wells Fargo increased its positions in the "Big Seven" U.S. tech companies, including Microsoft, Apple, Nvidia, Google, Amazon, Meta, and Tesla [14]. Group 5: Citigroup's Activity - Citigroup's total market value of holdings was $224 billion, up from $204 billion, marking a 10% increase [18]. - The firm made 826 new purchases, increased holdings in 1,833 stocks, reduced holdings in 3,028 stocks, and sold out of 399 stocks [19]. - Citigroup significantly reduced its positions in major tech stocks, including Nvidia, Microsoft, and Apple, while Nvidia remains the largest holding with approximately 33.39 million shares valued at $6.23 billion [21].

智通财经5月16日电，13F报告显示，"大空头"Michael Burry 的Scion Asset Management LLC.至一季度末 仅仅持有雅诗兰黛一只股票，持股数570.2万股。 ...