INTRODUCTIONMutual funds can play an important role in the growth of a country's economy. Mutual funds are a desired investment destination for every individual/organization if the fund companies not only offer the expertise in resource management but also many other services. An investment trust is a vehicle for investing in stocks and bonds. It is not an alternative choice for equity and related investment; but rather pools money from different investors and invests it in stocks, borders, money. A mutual fund pools the resources of thousands of investors and diversifies its investments into many different companies, such as stocks, bonds and other securities, spending extremely relative safety and efficiency. Mutual funds have become one of the most effective and attractive opportunities for the average person to invest their money. Mutual funds are a process, system or structure of pooling the savings of a large number of investors with the aim or objective of effective return and appreciation of their value. Mutual fund managers have a range of investment products, but in our country it is still not possible to classify them. sector or analyzes various customized products, so the investor should do so. Not so long ago, mutual funds were just broad investment vehicles developed to simplify investing in individual securities. Mutual funds also offer a higher degree of security thanks to broad diversification and the type of top-notch professional management that is usually out of reach of the small shareholder. Today, however, mutual funds are specialized and this time of almost unlimited variety. The types of mutual fund portfolios available range from conservative to aggressive, stocks to bonds, domestic to middle of paper...... as well as the sustainability of the company's owners. The management of UCITS charges management fees for this purpose. The growth of investment funds that we have examined here is based on the determinants that impact the growth of investment funds and depends on the negative and positive effects of these determinants. But today, mutual funds are specialized and this time, almost unlimited variety. The types of mutual fund portfolios available range from conservative to aggressive, stocks to bonds, domestic to international portfolios, tax-free portfolios, and virtually no risk money market and options funds high risk (Jacobs, 2001). .Mutual funds are one of the best investments ever made because they are very profitable and very easy to invest (without knowing which files or bonds to buy).).