1. Since fund-related regulations require that a single fund’s share of a listed company’s stock cannot exceed 10% of the circulating market capitalization, even if the share itself is not high, such as only 5% or even 1%, as long as a certain share of the fund’s position is

Only or a few stocks have a higher proportion than other stocks, and they can be regarded as heavy holdings of the fund.

2. For the stocks of a listed company, if most of its circulating stocks are held in large quantities by institutional investors such as funds and purchased heavily, accounting for more than 20% of the circulating market value, it can be called a fund's heavily held stock.