The Technology Select Sector SPDR Fund (XLK) is a popular exchange-traded fund that tracks the performance of the Technology sector. As of the latest data, the fund has a net asset value of $12.37 billion and a total expense ratio of 0.10%. In terms of its holdings, the fund has a significant allocation towards the top 10 holdings, with the largest being Apple Inc. (AAPL) at 20.10%. Overall, XLK is a well-diversified fund that provides exposure to the technology sector.