It is shown that joint investment institutions in Ukraine perform an important function in the economic development of the country, contributing to the redistribution of capital, stimulation of the investment process and development of the stock market. Asset management companies (AMC) are an integral part of the joint investment market in Ukraine, providing professional asset management, increasing the efficiency of the investment process and contributing to the country’s economic development. The paper presents the results of the assessment of the dynamics, structure of AMC indicators according to the main type of their activity according to KVED 66.30 - fund management, and also formalized their trends for the period 2013-2022, which have high values of indicators of multiple determination. It was established that the value of non-current assets increased by 3.33 times, mainly due to micro-enterprises, small enterprises prevail in their structure. The value of AMC's current assets increased by 1.79 times, mainly at the expense of micro-enterprises, the share of medium-sized enterprises in their structure decreased, and small ones increased. The value of AMC's own capital increased by 1.92 times, mainly due to micro-enterprises, the share of medium-sized enterprises in its structure decreased, and the share of small enterprises increased. The cost of AMC capital increased by 2.22 times, mainly at the expense of micro-enterprises. The specific weight of AMC's own capital decreased from 78.1% to 67.6%, including at the expense of medium and small enterprises. On the other hand, the share of equity in the balance sheets of micro-enterprises - AMC increased from 71.4% to 82.2%. Thus, the financial stability of AMC is sufficient, but it is reduced at the expense of medium-sized enterprises, but the financial stability of micro-enterprises is strengthened. The dynamics of non-current assets, current assets, assets in general, AMC's equity is described by a parabola with upward branches. It is proven that the active participation of the AMC in the stock market increases its liquidity and stability, which creates favorable conditions for attracting financial resources. Investments made through investment funds contribute to the development of various sectors of the economy, the creation of new jobs and an increase in tax revenues to the budget. Transparency and professional asset management attract foreign investors, which contributes to the inflow of capital into the country's economy.