Core Insights - UBS reported a total market value of $540 billion in its Q1 2025 holdings, remaining stable compared to the previous quarter [1][2] - The firm added 1,239 new stocks to its portfolio, increased holdings in 4,632 stocks, reduced holdings in 4,025 stocks, and completely sold out of 944 stocks [1][2] - The top ten holdings accounted for 14.36% of the total market value [1][2] Holdings Summary - The top five holdings include Apple (AAPL) with approximately 60.7 million shares valued at $13.49 billion (2.48% of the portfolio), Microsoft (MSFT) with about 32.9 million shares valued at $12.35 billion (2.27%), Nvidia (NVDA) with around 101.4 million shares valued at $10.99 billion (2.02%), Amazon (AMZN) with approximately 37.6 million shares valued at $7.15 billion (1.31%), and SPDR S&P 500 ETF (SPY) with about 12.8 million shares valued at $7.14 billion (1.31%) [3][4] - Notably, SPY saw a significant increase in holdings by 27.95% compared to the previous quarter [3][4] Trading Activity - The turnover rate for the portfolio was 19.64%, with an alternative turnover rate of 8.64% [2] - The average holding period for the top 20 stocks was approximately 20.95 quarters, while the top 10 stocks had an average holding period of 21 quarters [2] Buying and Selling Trends - The top five purchases included SPDR S&P 500 ETF put options, iShares iBoxx High Yield Corporate Bond ETF put options, SPDR S&P 500 ETF, SPDR Gold Shares ETF, and Berkshire Hathaway [4][6] - The top five sales included Microsoft, Apple, Google, Tesla, and iShares iBoxx Investment Grade Corporate Bond ETF call options [5][6]

交易员从未如此害怕周五，因特朗普酷爱在周末搞政策突袭，华尔街新潜规则：周五不调仓，周一泪两 行！ 对于Impax资产管理公司的投资组合经理Tony Trzcinka来说，周五曾经是清闲的一天，但现在却是一周 中最忙碌的时候。 这一天本该是思考长期趋势的时候，现在却变成了为投资组合做好准备的关键时刻，皆因特朗普习惯性 地在周末发布影响市场的消息。 根据巴克莱银行（Barclays Plc）的分析，对周五投资组合调整的需求足以使周五交易高等级公司债券 的成本比其他时间高出31%。 Impax公司的Trzcinka说："我们确实注意到周五的市场活动更多，你不知道周末会发生什么。"他监管着 约30亿美元的资产。 密尔沃基Allspring Global Investments公司的高级固定收益交易员Mark Clegg说，贝森特的举动只是最新 的一课，说明在周末之前降低投资组合风险的重要性。 他说："没有人愿意在市场发生巨大变化后，在周一上午进场试图纠正错误。"他利用周五来"摆脱任何 多余的风险"。 对于Trzcinka来说，准备工作包括卖出信贷和买入国债，或者转向更高质量的债券以管理风险。 在公司债券市场，电子交易 ...