Fund Performance: Past performance and the ability to consistently generate returns will influence investor demand and therefore the fund's price.

Market Conditions: Overall economic conditions, investor sentiment, and trends in the specific markets in which the fund invests have a big impact.

Interest Rates: Changes in interest rates can influence bond valuations if the fund holds any bonds. Also affect attractiveness of alternative investments.

Expense Ratio: The fund's expense ratio will impact its overall performance; higher expenses can reduce net returns and potentially impact price.

Management Expertise: The skills and experience of the fund managers and their investment strategies are important factors affecting fund's returns.

Net Asset Value (NAV): The underlying value of the assets held by the fund will affect the share price of the fund.

Supply and Demand: Like any other financial asset, the price of a fund is affected by the supply and demand from buyers and sellers.

Fund Size: A very large fund may struggle to find suitable investment opportunities. A small one is more vulnerable when large investors leave.