1. A fund's heavy position refers to a large share of a fund in the total share of a stock. You can query the top 10 shareholders in the shareholder file in the stock software. If there is a fund or the names of some funds on it, then this stock is a fund's heavy position.

2. Funds have broad and narrow definitions. A fund in a broad sense refers to a certain amount of funds set up for a certain purpose. It mainly includes trust and investment funds, provident funds, insurance funds, retirement funds and funds of various foundations. People usually refer to funds mainly as securities investment funds.