花旗Q1持仓：纳指100看跌期权为头号重仓 大幅增持英伟达、苹果等科技巨头

Group 1 - The core viewpoint of the article highlights that Citigroup's Q1 holdings have significantly increased, with a total market value of $196 billion, up approximately 16% from the previous quarter's $169 billion [1] - The largest position in Citigroup's portfolio is in Nasdaq 100 ETF put options, with a holding of 25.54 million shares valued at approximately $11.98 billion, accounting for 6.12% of the investment portfolio [1] - Citigroup has substantially increased its holdings in major tech companies, with Nvidia holding 51.32 million shares, a growth of 48.34% from the previous quarter, and Apple holding 24.38 million shares, a growth of 62.57% [1]