1. View the shareholding details of a certain fund, directly log on to some fund websites or the website of the fund on a commission basis, and click on the fund shareholding on the fund page to see the stocks held by the fund.

2. Heavy holdings: stocks held by a number of fund companies, accounting for more than 20% of the circulating market value, are held by the fund in heavy positions. In other words, more than 20% of this stock is held by the fund. In other words, heavy stocks are bought and held by a large number of institutions or shareholders, and the assets of institutions or large households account for a large part of the stocks held.