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]