T This study aims to examine and record the effect of profitability that was represent by Operating Profit Margin variable on company stock price. In addition, this research also examine and record the effect of Price Earning Ratio and Return On Equity on company stock price with an addition of Firm Size as a moderating variable. The method for analyzing the data in this study is using Moderated Regression Analysis (MRA) approach to appropriately accomadate the moderating variable and the whole data analysis has been done using SPSS Program. The data use in this study came from the financial report and yearly annual reporting from various agriculture companies that has been listed in Indonesia Stock Exchange within the year of 2014-2018.The result of this study indicate that Price Earning Ratio has a positive significant effect on stock price, Firm Size also has a negative significant effect on stock price, and also Price Earning Ratio that has been moderated with Firm Size has a negative significant effect on stock price. However, Operating Profit Margin and Return On Equity ratio have no effect at all on the changes of companies stock price because this two ratios don’t have the numbers that significant enough to have effect on companies stock price within that year. Also, with Firm Size as a moderating variable, this Operating Profit Margin and Return On Equity ratio still don’t have an effect on companies stock price due to lack of significant numbers that within that two ratios to have an effect on companies stock price