Impact of Ownership structure and dividend on from performance and firm risk

The ownership structure of companies may change the behavior of companies. This stems from the regulatory activities of different investors in this structure. On the other hand, corporate stock returns are a function of systematic risk, and systematic risk represents a change in the rate of return on a share of the change in the total rate of return on the stock market. In the capital market, investors try to invest in a place that brings them the highest returns, and in this regard, they also pay attention to the risk associated with investing, and if they accept the risk tolerance, for which they are free. Earn them, and that income will be nothing more than an investment. Leading research aimed to examine the impact of ownership structure and profit-sharing policies on profitability and risk, and collected data related to the research. This research is applied in terms of purpose-based classification, and correlational in terms of method and nature. The data measurement scale is also a relative scale. The research method is inductive in which the theoretical foundations and background of the research have been collected through the library, article and internet and in rejecting or proving the research hypotheses by using appropriate statistical methods, inductive reasoning has been used in generalizing the results. The statistical population determined in the present study included all companies that are members of the Tehran Stock Exchange for the period 1390 to 1397, which using systematic elimination method, 112 companies were selected as a sample. Econometric models have also been used to test the hypotheses of this research and to determine the relationship between independent and dependent variables. Data are data panels and regression estimation methods are fixed or random effects. The research results showed that family ownership has a positive and significant effect on profitability. Profit sharing policy has a negative and significant effect on company profitability. Profit sharing policy has a negative and significant impact on the company's non-systematic risk.